\n| L\u1ed9 tr\u00ecnh x\u1eed l\u00fd<\/td>\n | Tuy\u1ec3n n\u1ed5i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft \u0111\u1ed1ng qu\u1eb7ng \/ SX-EW \/ tuy\u1ec3n n\u1ed5i c\u1ea3i ti\u1ebfn<\/td>\n | Tuy\u1ec3n n\u1ed5i + luy\u1ec7n kim truy\u1ec1n th\u1ed1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch khai th\u00e1c m\u1ecf, m\u00f4 h\u00ecnh h\u00f3a chi ph\u00ed v\u00e0 thi\u1ebft k\u1ebf nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn.<\/p>\n 2. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u1eb7ng oxit \u0111\u1ed3ng<\/h2>\n![\"\u0110\u1eb7c](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Characteristics-of-Copper-Oxide-Ores.webp\") <\/p>\n
Qu\u1eb7ng oxit \u0111\u1ed3ng s\u1edf h\u1eefu m\u1ed9t lo\u1ea1t c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecba ch\u1ea5t, kho\u00e1ng v\u1eadt h\u1ecdc v\u00e0 luy\u1ec7n kim kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c m\u1ecf sunfua s\u01a1 c\u1ea5p. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y kh\u00f4ng ch\u1ec9 quy\u1ebft \u0111\u1ecbnh gi\u00e1 tr\u1ecb kinh t\u1ebf c\u1ee7a qu\u1eb7ng m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c quy tr\u00ecnh l\u00e0m gi\u00e0u v\u00e0 th\u1ee7y luy\u1ec7n. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau \u0111\u00e2y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng.<\/p>\n 2.1 S\u1ef1 \u0111a d\u1ea1ng kho\u00e1ng v\u1eadt v\u00e0 bi\u1ebfn \u0111\u1ed5i th\u1ee9 c\u1ea5p<\/h2>\nQu\u1eb7ng oxit \u0111\u1ed3ng th\u01b0\u1eddng th\u1ec3 hi\u1ec7n s\u1ef1 \u0111a d\u1ea1ng kho\u00e1ng v\u1eadt \u0111\u00e1ng k\u1ec3 do qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh th\u00f4ng qua phong h\u00f3a l\u00e2u d\u00e0i v\u00e0 bi\u1ebfn \u0111\u1ed5i si\u00eau sinh. Trong c\u00f9ng m\u1ed9t m\u1ecf, nhi\u1ec1u kho\u00e1ng v\u1eadt oxit ch\u1ee9a \u0111\u1ed3ng c\u00f3 th\u1ec3 c\u00f9ng t\u1ed3n t\u1ea1i b\u00ean c\u1ea1nh c\u00e1c pha sunfua c\u00f2n s\u00f3t l\u1ea1i v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m bi\u1ebfn \u0111\u1ed5i kh\u00e1c nhau. S\u1ef1 bi\u1ebfn \u0111\u1ed5i th\u1ee9 c\u1ea5p n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn ranh gi\u1edbi kho\u00e1ng v\u1eadt kh\u00f4ng \u0111\u1ec1u v\u00e0 c\u1ea5u tr\u00fac xen k\u1ebd ph\u1ee9c t\u1ea1p. K\u1ebft qu\u1ea3 l\u00e0, \u0111\u1ed3ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u m\u00e0 t\u1eadp trung \u1edf c\u00e1c v\u00f9ng l\u00e0m gi\u00e0u c\u1ee5c b\u1ed9 ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi c\u00e1c v\u1ebft n\u1ee9t. S\u1ef1 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t n\u00e0y l\u00e0m ph\u1ee9c t\u1ea1p qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng kho\u00e1ng v\u1eadt trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u00e1nh gi\u00e1 kho\u00e1ng v\u1eadt h\u1ecdc c\u1ea9n th\u1eadn tr\u01b0\u1edbc khi thi\u1ebft k\u1ebf quy tr\u00ecnh.<\/p>\n 2.2 H\u00e0m l\u01b0\u1ee3ng \u0111\u1ed3ng thay \u0111\u1ed5i v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h2>\nM\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a qu\u1eb7ng oxit \u0111\u1ed3ng l\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1ec1 h\u00e0m l\u01b0\u1ee3ng v\u00e0 d\u1ea1ng h\u00f3a h\u1ecdc c\u1ee7a \u0111\u1ed3ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u lo\u1ea1i qu\u1eb7ng sunfua s\u01a1 c\u1ea5p c\u00f3 s\u1ef1 ph\u00e2n b\u1ed1 h\u00e0m l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh, c\u00e1c v\u00f9ng oxit c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 dao \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 v\u1ec1 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed3ng theo chi\u1ec1u d\u1ecdc v\u00e0 chi\u1ec1u ngang. Ngo\u00e0i ra, \u0111\u1ed3ng c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u1edf nhi\u1ec1u tr\u1ea1ng th\u00e1i h\u00f3a h\u1ecdc kh\u00e1c nhau trong c\u00f9ng m\u1ed9t th\u00e2n qu\u1eb7ng, bao g\u1ed3m \u0111\u1ed3ng h\u00f2a tan trong axit, \u0111\u1ed3ng h\u00f2a tan trong n\u01b0\u1edbc v\u00e0 \u0111\u1ed3ng li\u00ean k\u1ebft c\u1ea5u tr\u00fac. S\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t luy\u1ec7n kim, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u1ea3n \u1ee9ng tuy\u1ec3n n\u1ed5i v\u00e0 hi\u1ec7u qu\u1ea3 tr\u00edch ly. Do \u0111\u00f3, ph\u00e2n t\u00edch h\u00f3a h\u1ecdc chi ti\u1ebft v\u00e0 nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c d\u1ea1ng \u0111\u1ed3ng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft trong qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1 t\u00ednh kh\u1ea3 thi.<\/p>\n 2.3 C\u1ea5u tr\u00fac x\u1ed1p v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h2>\nV\u1ec1 m\u1eb7t v\u1eadt l\u00fd, qu\u1eb7ng oxit \u0111\u1ed3ng th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac x\u1ed1p v\u00e0 b\u1ecb phong h\u00f3a m\u1ed9t ph\u1ea7n. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac n\u00e0y l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh oxy h\u00f3a kho\u00e1ng ch\u1ea5t sunfua v\u00e0 qu\u00e1 tr\u00ecnh h\u00f2a tan ti\u1ebfp theo, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c kho\u1ea3ng tr\u1ed1ng v\u00e0 l\u00e0m suy y\u1ebfu ma tr\u1eadn \u0111\u00e1. \u1ede m\u1ed9t s\u1ed1 m\u1ecf, qu\u1eb7ng t\u01b0\u01a1ng \u0111\u1ed1i m\u1ec1m v\u00e0 d\u1ec5 v\u1ee1, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c nghi\u1ec1n v\u00e0 t\u0103ng \u0111\u1ed9 th\u1ea5m c\u1ee7a \u0111\u1ed1ng qu\u1eb7ng trong qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i. Tuy nhi\u00ean, c\u00e1c m\u1ecf kh\u00e1c c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c v\u00f9ng c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n ho\u1eb7c h\u00e0m l\u01b0\u1ee3ng \u0111\u1ea5t s\u00e9t \u0111\u00e1ng k\u1ec3, d\u1eabn \u0111\u1ebfn nh\u1eefng th\u00e1ch th\u1ee9c trong vi\u1ec7c ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 t\u00ednh l\u01b0u bi\u1ebfn c\u1ee7a b\u00f9n. Do \u0111\u00f3, s\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1ec1 c\u01a1 h\u1ecdc c\u1ee7a c\u00e1c th\u00e2n qu\u1eb7ng oxit \u0111\u00f2i h\u1ecfi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c nghi\u1ec1n th\u00edch \u1ee9ng.<\/p>\n 2.4 H\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t v\u00e0 t\u00ednh \u01b0a n\u01b0\u1edbc<\/h2>\nT\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t c\u1ee7a kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng kh\u00e1c bi\u1ec7t v\u1ec1 c\u01a1 b\u1ea3n so v\u1edbi kho\u00e1ng ch\u1ea5t sunfua. Kho\u00e1ng ch\u1ea5t oxit th\u01b0\u1eddng c\u00f3 b\u1ec1 m\u1eb7t \u01b0a n\u01b0\u1edbc do qu\u00e1 tr\u00ecnh hydroxyl h\u00f3a v\u00e0 s\u1ef1 l\u1ed9 ra c\u1ee7a c\u00e1c v\u1ecb tr\u00ed ion kim lo\u1ea1i ph\u1ea3n \u1ee9ng. \u0110\u1eb7c \u0111i\u1ec3m n\u00e0y l\u00e0m gi\u1ea3m \u00e1i l\u1ef1c t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t thu gom sunfua tuy\u1ec3n n\u1ed5i th\u00f4ng th\u01b0\u1eddng v\u00e0 khi\u1ebfn ch\u00fang r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u00f3a h\u1ecdc c\u1ee7a huy\u1ec1n ph\u00f9 nh\u01b0 \u0111\u1ed9 pH v\u00e0 \u0111\u1ed9 m\u1ea1nh ion. Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i v\u00e0 l\u1ecbch s\u1eed ti\u1ebfp x\u00fac. Do \u0111\u00f3, qu\u1eb7ng oxit \u0111\u1ed3ng th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi qu\u00e1 tr\u00ecnh x\u1eed l\u00fd h\u00f3a h\u1ecdc ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 thu h\u1ed3i ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n 2.5 S\u1ef1 li\u00ean k\u1ebft v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t ph\u1ea3n \u1ee9ng<\/h2>\nC\u00e1c m\u1ecf oxit \u0111\u1ed3ng th\u01b0\u1eddng n\u1eb1m trong c\u00e1c th\u00e0nh t\u1ea1o \u0111\u00e1 cacbonat ho\u1eb7c silicat v\u00e0 c\u00f3 th\u1ec3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 oxit s\u1eaft, oxit mangan v\u00e0 kho\u00e1ng s\u00e9t. C\u00e1c th\u00e0nh ph\u1ea7n t\u1ea1p ch\u1ea5t n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u00ednh ch\u1ea5t luy\u1ec7n kim. V\u00ed d\u1ee5, kho\u00e1ng ch\u1ea5t cacbonat c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u01b0\u1ee3ng axit ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i, trong khi oxit s\u1eaft v\u00e0 mangan c\u00f3 th\u1ec3 h\u1ea5p ph\u1ee5 thu\u1ed1c th\u1eed trong qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 ch\u1ecdn l\u1ecdc. Kho\u00e1ng s\u00e9t c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt c\u1ee7a b\u00f9n v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 h\u00ecnh th\u00e0nh l\u1edbp m\u00e0ng b\u00f9n tr\u00ean c\u00e1c h\u1ea1t \u0111\u1ed3ng, do \u0111\u00f3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t thu h\u1ed3i. V\u00ec v\u1eady, s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c kho\u00e1ng ch\u1ea5t \u0111\u1ed3ng v\u00e0 c\u00e1c pha t\u1ea1p ch\u1ea5t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh.<\/p>\n 2.6 T\u00ednh bi\u1ebfn thi\u00ean v\u1ec1 luy\u1ec7n kim v\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ea3m trong qu\u00e1 tr\u00ecnh gia c\u00f4ng<\/h2>\nC\u00f3 l\u1ebd \u0111\u1eb7c \u0111i\u1ec3m kh\u00f3 kh\u0103n nh\u1ea5t c\u1ee7a qu\u1eb7ng oxit \u0111\u1ed3ng l\u00e0 t\u00ednh bi\u1ebfn \u0111\u1ed5i v\u1ec1 m\u1eb7t luy\u1ec7n kim. Ngay c\u1ea3 trong c\u00f9ng m\u1ed9t m\u1ecf, c\u00e1c kh\u1ed1i qu\u1eb7ng kh\u00e1c nhau c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng kh\u00e1c nhau v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd gi\u1ed1ng h\u1ec7t nhau. M\u1ed9t s\u1ed1 qu\u1eb7ng oxit h\u00f2a tan nhanh ch\u00f3ng trong \u0111i\u1ec1u ki\u1ec7n axit v\u00e0 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i, trong khi nh\u1eefng lo\u1ea1i kh\u00e1c l\u1ea1i c\u00f3 t\u1ed1c \u0111\u1ed9 h\u00f2a tan ch\u1eadm do b\u1ecb bao b\u1ecdc trong ma tr\u1eadn silicat ho\u1eb7c li\u00ean k\u1ebft kho\u00e1ng ch\u1ea5t m\u1ea1nh. T\u01b0\u01a1ng t\u1ef1, hi\u1ec7u su\u1ea5t tuy\u1ec3n n\u1ed5i c\u00f3 th\u1ec3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng \u0111\u1ed3ng v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t. T\u00ednh kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n n\u00e0y nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c th\u1eed nghi\u1ec7m th\u00ed \u0111i\u1ec3m v\u00e0 m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ecba ch\u1ea5t luy\u1ec7n kim tr\u01b0\u1edbc khi v\u1eadn h\u00e0nh nh\u00e0 m\u00e1y quy m\u00f4 l\u1edbn.<\/p>\n B\u1ea3n t\u00f3m t\u1eaft<\/h3>\nV\u1ec1 b\u1ea3n ch\u1ea5t, qu\u1eb7ng oxit \u0111\u1ed3ng \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 ph\u1ee9c t\u1ea1p v\u1ec1 kho\u00e1ng v\u1eadt h\u1ecdc, ph\u00e2n b\u1ed1 h\u00e0m l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t d\u1ec5 ph\u1ea3n \u1ee9ng v\u00e0 t\u01b0\u01a1ng t\u00e1c m\u1ea1nh m\u1ebd v\u1edbi c\u00e1c kho\u00e1ng v\u1eadt t\u1ea1p ch\u1ea5t \u0111a d\u1ea1ng. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y khi\u1ebfn qu\u1eb7ng oxit \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c h\u1ec7 qu\u1eb7ng sunfua, nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng mang l\u1ea1i nhi\u1ec1u c\u01a1 h\u1ed9i ch\u1ebf bi\u1ebfn linh ho\u1ea1t khi \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf \u0111\u00fang c\u00e1ch.<\/p>\n 3. Ph\u00e2n b\u1ed1 to\u00e0n c\u1ea7u c\u1ee7a qu\u1eb7ng oxit \u0111\u1ed3ng<\/h2>\n![\"Ph\u00e2n](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Global-Distribution-of-Copper-Oxide-Ores.webp\") <\/p>\n
C\u00e1c m\u1ecf oxit \u0111\u1ed3ng ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i \u1edf c\u00e1c qu\u1ed1c gia s\u1ea3n xu\u1ea5t \u0111\u1ed3ng ch\u00ednh, bao g\u1ed3m:<\/p>\n \n- \n
Chile<\/p>\n<\/li>\n - \n
Peru<\/p>\n<\/li>\n - \n
C\u1ed9ng h\u00f2a D\u00e2n ch\u1ee7 Congo<\/p>\n<\/li>\n - \n
Hoa K\u1ef3<\/p>\n<\/li>\n - \n
\u00dac<\/p>\n<\/li>\n - \n
Trung Qu\u1ed1c<\/p>\n<\/li>\n<\/ul>\n Trong c\u00e1c h\u1ec7 th\u1ed1ng qu\u1eb7ng \u0111\u1ed3ng porphyry, qu\u1eb7ng oxit th\u01b0\u1eddng n\u1eb1m \u1edf v\u00f9ng oxy h\u00f3a ph\u00eda tr\u00ean, ph\u00eda tr\u00ean qu\u00e1 tr\u00ecnh kho\u00e1ng h\u00f3a sunfua s\u01a1 c\u1ea5p.<\/p>\n Nhi\u1ec1u m\u1ecf l\u1ed9 thi\u00ean ban \u0111\u1ea7u khai th\u00e1c c\u00e1c t\u1ea7ng qu\u1eb7ng oxit do v\u1ecb tr\u00ed g\u1ea7n b\u1ec1 m\u1eb7t v\u00e0 chi ph\u00ed b\u00f3c t\u00e1ch th\u1ea5p h\u01a1n. Khi ngu\u1ed3n t\u00e0i nguy\u00ean sunfua gi\u1ea3m, t\u1ef7 l\u1ec7 ch\u1ebf bi\u1ebfn qu\u1eb7ng oxit \u0111ang t\u0103ng l\u00ean tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n 4. C\u00e1c kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng ch\u00ednh v\u00e0 kh\u1ea3 n\u0103ng tuy\u1ec3n n\u1ed5i c\u1ee7a ch\u00fang<\/h2>\nT\u00ednh ch\u1ea5t tuy\u1ec3n n\u1ed5i c\u1ee7a qu\u1eb7ng oxit \u0111\u1ed3ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd b\u1edfi lo\u1ea1i kho\u00e1ng ch\u1ea5t ch\u1ee9a \u0111\u1ed3ng c\u00f3 trong \u0111\u00f3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c kho\u00e1ng ch\u1ea5t sunfua, v\u1ed1n ph\u1ea3n \u1ee9ng t\u1ef1 nhi\u00ean v\u1edbi c\u00e1c ch\u1ea5t thu gom th\u00f4ng th\u01b0\u1eddng, c\u00e1c kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t r\u1ea5t kh\u00e1c nhau. Kh\u1ea3 n\u0103ng tuy\u1ec3n n\u1ed5i c\u1ee7a ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac kho\u00e1ng ch\u1ea5t, m\u1ee9c \u0111\u1ed9 hydrat h\u00f3a, \u0111\u1ed9 h\u00f2a tan v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t sunfua h\u00f3a.<\/p>\n Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c kho\u00e1ng ch\u1ea5t oxit ch\u00ednh l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n kh\u1ea3 n\u0103ng thu h\u1ed3i \u0111\u1ed3ng v\u00e0 l\u1ef1a ch\u1ecdn chi\u1ebfn l\u01b0\u1ee3c l\u00e0m gi\u00e0u ph\u00f9 h\u1ee3p.<\/p>\n 4.1 \u0110\u00e1 Malachite<\/h2>\n![\"Malachite\"](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Malachite.webp\") <\/p>\n
Malachite l\u00e0 m\u1ed9t trong nh\u1eefng kho\u00e1ng ch\u1ea5t cacbonat \u0111\u1ed3ng ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c m\u1ecf \u0111\u1ed3ng b\u1ecb oxy h\u00f3a. N\u00f3 h\u00ecnh th\u00e0nh th\u00f4ng qua qu\u00e1 tr\u00ecnh phong h\u00f3a c\u00e1c kho\u00e1ng ch\u1ea5t sunfua s\u01a1 c\u1ea5p v\u00e0 ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i \u1edf c\u00e1c khu v\u1ef1c g\u1ea7n b\u1ec1 m\u1eb7t.<\/p>\n Trong h\u1ec7 th\u1ed1ng tuy\u1ec3n n\u1ed5i, malachite cho th\u1ea5y ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t sau khi x\u1eed l\u00fd b\u1ec1 m\u1eb7t. N\u00f3 c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp b\u1ec1 m\u1eb7t ph\u1ea3n \u1ee9ng d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 ch\u1ea5t thu gom v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh k\u1ef5 n\u01b0\u1edbc. Tuy nhi\u00ean, hi\u1ec7u su\u1ea5t thu h\u1ed3i r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi gi\u00e1 tr\u1ecb pH v\u00e0 li\u1ec1u l\u01b0\u1ee3ng thu\u1ed1c th\u1eed. X\u1eed l\u00fd qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00ednh ch\u1ecdn l\u1ecdc.<\/p>\n Do c\u1ea5u tr\u00fac t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng v\u1eeba ph\u1ea3i, qu\u1eb7ng ch\u1ee9a malachite th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 d\u1ec5 tuy\u1ec3n n\u1ed5i h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i oxit kh\u00e1c.<\/p>\n 4.2 Azurit<\/h2>\n![\"Azurit\"](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Azurite.webp\") <\/p>\n
Azurit l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t cacbonat \u0111\u1ed3ng kh\u00e1c th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi malachit. M\u1eb7c d\u00f9 c\u00f3 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng \u0111\u1ed9ng h\u1ecdc tuy\u1ec3n n\u1ed5i c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 kh\u00e1c nhau m\u1ed9t ch\u00fat do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac tinh th\u1ec3.<\/p>\n Th\u00f4ng th\u01b0\u1eddng, azurit ph\u1ea3n \u1ee9ng t\u1ed1t v\u1edbi c\u00e1c ch\u1ea5t thu gom axit b\u00e9o trong \u0111i\u1ec1u ki\u1ec7n b\u1ed9t gi\u1ea5y th\u00edch h\u1ee3p. Tuy nhi\u00ean, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn \u0111\u1ed5i m\u1ed9t ph\u1ea7n trong qu\u00e1 tr\u00ecnh nghi\u1ec1n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng thu\u1ed1c th\u1eed ti\u00eau th\u1ee5. Trong c\u00e1c h\u1ec7 cacbonat h\u1ed7n h\u1ee3p, h\u00e0nh vi tuy\u1ec3n n\u1ed5i c\u1ee7a n\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn hi\u1ec7u qu\u1ea3 sunfua h\u00f3a v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc c\u1ee7a b\u1ed9t gi\u1ea5y.<\/p>\n 4.3 Cuprite<\/h2>\n![\"Cuprite\"](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Cuprite.webp\") <\/p>\n
Cuprite l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed3ng t\u01b0\u01a1ng \u0111\u1ed1i cao. N\u00f3 th\u01b0\u1eddng h\u00ecnh th\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n oxy h\u00f3a m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng kh\u1ed1i ho\u1eb7c d\u1ea1ng h\u1ea1t m\u1ecbn.<\/p>\n T\u1eeb g\u00f3c \u0111\u1ed9 tuy\u1ec3n n\u1ed5i, cuprit c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t thu h\u1ed3i trung b\u00ecnh khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. B\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a h\u00f3a h\u1ecdc, cho ph\u00e9p ch\u1ea5t thu gom h\u1ea5p ph\u1ee5. Tuy nhi\u00ean, c\u00e1c h\u1ea1t cuprit m\u1ecbn c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb ph\u1ee7 l\u1edbp b\u00f9n, \u0111\u1eb7c bi\u1ec7t khi k\u1ebft h\u1ee3p v\u1edbi oxit s\u1eaft ho\u1eb7c kho\u00e1ng s\u00e9t, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00ednh ch\u1ecdn l\u1ecdc c\u1ee7a qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i.<\/p>\n 4.4 Chrysocolla<\/h2>\n![\"Chrysocolla\"](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Chrysocolla.webp\") <\/p>\n
Chrysocolla l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t silicat \u0111\u1ed3ng ng\u1eadm n\u01b0\u1edbc, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng kh\u00f3 tuy\u1ec3n n\u1ed5i nh\u1ea5t. Trong kho\u00e1ng ch\u1ea5t n\u00e0y, \u0111\u1ed3ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p b\u00ean trong khung silicat, h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t.<\/p>\n T\u00ednh ch\u1ea5t \u01b0a n\u01b0\u1edbc m\u1ea1nh c\u1ee7a n\u00f3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 h\u1ea5p ph\u1ee5 c\u1ee7a ch\u1ea5t thu gom, v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng sunfua h\u00f3a th\u01b0\u1eddng kh\u00f4ng ho\u00e0n to\u00e0n ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh. Do \u0111\u00f3, hi\u1ec7u su\u1ea5t tuy\u1ec3n n\u1ed5i c\u1ee7a chrysocolla th\u01b0\u1eddng th\u1ea5p v\u00e0 r\u1ea5t bi\u1ebfn \u0111\u1ed9ng. Trong nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng, qu\u1eb7ng gi\u00e0u chrysocolla th\u00edch h\u1ee3p h\u01a1n cho qu\u00e1 tr\u00ecnh h\u00f2a tan b\u1eb1ng axit h\u01a1n l\u00e0 tuy\u1ec3n n\u1ed5i.<\/p>\n 4.5 Brochantite<\/h2>\n![\"Brochantite\"](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Brochantite.webp\") <\/p>\n
Brochantite l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t sunfat \u0111\u1ed3ng th\u1ee9 c\u1ea5p th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong m\u00f4i tr\u01b0\u1eddng oxy h\u00f3a kh\u00f4 c\u1eb1n. M\u1eb7c d\u00f9 ch\u1ee9a \u0111\u1ed3ng, kh\u1ea3 n\u0103ng tuy\u1ec3n n\u1ed5i c\u1ee7a n\u00f3 nh\u00ecn chung y\u1ebfu h\u01a1n so v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t cacbonat.<\/p>\n S\u1ef1 h\u00f2a tan m\u1ed9t ph\u1ea7n trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb t\u1ee7y r\u0103ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i c\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a thu\u1ed1c th\u1eed. Vi\u1ec7c ph\u1ee5c h\u1ed3i c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t nh\u01b0ng th\u01b0\u1eddng ch\u1ec9 \u1edf m\u1ee9c \u0111\u1ed9 v\u1eeba ph\u1ea3i.<\/p>\n 4.6 Chalcanthite<\/h2>\n![\"Chalcanthite\"](\"https:\/\/cementindustrial.com\/wp-content\/uploads\/2026\/03\/Chalcanthite.webp\") <\/p>\n
Chalcanthite l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t sunfat \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 h\u00f2a tan cao. Do n\u00f3 h\u00f2a tan nhanh trong n\u01b0\u1edbc n\u00ean kh\u00f4ng th\u1ec3 thu h\u1ed3i hi\u1ec7u qu\u1ea3 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i th\u00f4ng th\u01b0\u1eddng.<\/p>\n Thay v\u00e0o \u0111\u00f3, n\u00f3 l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 \u0111\u1ed3ng h\u00f2a tan trong qu\u1eb7ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng thu\u1ed1c th\u1eed ti\u00eau th\u1ee5 v\u00e0 l\u00e0m gi\u1ea3m t\u00ednh ch\u1ecdn l\u1ecdc c\u1ee7a qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i. Qu\u1eb7ng ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng chalcanthite \u0111\u00e1ng k\u1ec3 th\u01b0\u1eddng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd th\u1ee7y luy\u1ec7n.<\/p>\n T\u1ed5ng quan so s\u00e1nh c\u00e1c c\u01a1 ch\u1ebf n\u1ed5i<\/h1>\n\u0110\u1ec3 minh h\u1ecda r\u00f5 h\u01a1n s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng ch\u00ednh, b\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac v\u00e0 h\u00e0nh vi tuy\u1ec3n n\u1ed5i c\u1ee7a ch\u00fang:<\/p>\n \n \n \n\n\n| Kho\u00e1ng ch\u1ea5t<\/th>\n | Lo\u1ea1i kho\u00e1ng ch\u1ea5t<\/th>\n | Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t<\/th>\n | H\u00e0nh vi h\u00f2a tan<\/th>\n | Kh\u1ea3 n\u0103ng n\u1ed5i \u0111i\u1ec3n h\u00ecnh<\/th>\n | T\u00ednh ph\u00f9 h\u1ee3p trong x\u1eed l\u00fd<\/th>\n<\/tr>\n<\/thead>\n | \n\n| Malachite<\/td>\n | Cacbonat<\/td>\n | Trung b\u00ecnh \u0111\u1ebfn cao<\/td>\n | H\u01a1i<\/td>\n | T\u1ed1t (sau khi \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh)<\/td>\n | Tuy\u1ec3n n\u1ed5i<\/td>\n<\/tr>\n | \n| Azurit<\/td>\n | Cacbonat<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n | H\u01a1i<\/td>\n | Kh\u00e1 t\u1ed1t<\/td>\n | Tuy\u1ec3n n\u1ed5i<\/td>\n<\/tr>\n | \n| Cuprite<\/td>\n | Oxit<\/td>\n | H\u1ed3i \u0111\u00e1p nhanh<\/td>\n | Th\u1ea5p<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n | Tuy\u1ec3n n\u1ed5i<\/td>\n<\/tr>\n | \n| Chrysocolla<\/td>\n | Silicat<\/td>\n | Th\u1ea5p<\/td>\n | T\u1ed1i thi\u1ec3u<\/td>\n | Ngh\u00e8o<\/td>\n | Ph\u01b0\u01a1ng ph\u00e1p l\u1ecdc \u01b0u ti\u00ean<\/td>\n<\/tr>\n | \n| Brochantite<\/td>\n | Sulfat<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n | M\u1ed9t ph\u1ea7n<\/td>\n | M\u1ee9c \u0111\u1ed9 v\u1eeba ph\u1ea3i \u0111\u1ebfn th\u1ea5p<\/td>\n | \u0110i\u1ec1u tr\u1ecb ch\u1ecdn l\u1ecdc<\/td>\n<\/tr>\n | \n| Chalcanthite<\/td>\n | Sunfat h\u00f2a tan<\/td>\n | \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh th\u1ea5p<\/td>\n | Cao<\/td>\n | R\u1ea5t k\u00e9m<\/td>\n | R\u1eeda tr\u00f4i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\nC\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng n\u1ed5i<\/h1>\nTr\u00ean th\u1ef1c t\u1ebf, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 kh\u1ea3 n\u0103ng tuy\u1ec3n n\u1ed5i gi\u1eefa c\u00e1c kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt:<\/p>\n \n- \n
M\u1ee9c \u0111\u1ed9 hydrat h\u00f3a b\u1ec1 m\u1eb7t<\/p>\n<\/li>\n - \n
Kh\u1ea3 n\u0103ng cung c\u1ea5p c\u00e1c \u0111\u1ecba \u0111i\u1ec3m s\u1eed d\u1ee5ng \u0111\u1ed3ng ho\u1ea1t \u0111\u1ed9ng<\/p>\n<\/li>\n - \n
\u0110\u1ed9 h\u00f2a tan c\u1ee7a kho\u00e1ng ch\u1ea5t trong b\u1ed9t gi\u1ea5y<\/p>\n<\/li>\n - \n
Li\u00ean k\u1ebft v\u1edbi kho\u00e1ng ch\u1ea5t ph\u1ee5 ph\u1ea9m<\/p>\n<\/li>\n - \n
K\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 m\u1ee9c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng<\/p>\n<\/li>\n<\/ul>\n C\u00e1c kho\u00e1ng ch\u1ea5t cacbonat v\u00e0 oxit \u0111\u01a1n gi\u1ea3n th\u01b0\u1eddng cho k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, trong khi c\u00e1c kho\u00e1ng ch\u1ea5t silicat v\u00e0 sunfat c\u00f3 \u0111\u1ed9 h\u00f2a tan cao l\u1ea1i \u0111\u1eb7t ra nhi\u1ec1u th\u00e1ch th\u1ee9c h\u01a1n trong qu\u00e1 tr\u00ecnh thu h\u1ed3i.<\/p>\n 5. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m gi\u00e0u qu\u1eb7ng oxit \u0111\u1ed3ng<\/h2>\nHi\u1ec7u su\u1ea5t tuy\u1ec3n qu\u1eb7ng oxit \u0111\u1ed3ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 \u0111\u1ecba ch\u1ea5t, kho\u00e1ng v\u1eadt h\u1ecdc v\u00e0 v\u1eadn h\u00e0nh. Do t\u00ednh ch\u1ea5t bi\u1ebfn \u0111\u1ed5i v\u1ed1n c\u00f3 c\u1ee7a c\u00e1c m\u1ecf oxit, t\u1ef7 l\u1ec7 thu h\u1ed3i c\u00f3 th\u1ec3 kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 ngay c\u1ea3 trong c\u00f9ng m\u1ed9t m\u1ecf. Hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 tuy\u1ec3n n\u1ed5i, gi\u1ea3m ti\u00eau th\u1ee5 h\u00f3a ch\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh hi\u1ec7u su\u1ea5t nh\u00e0 m\u00e1y.<\/p>\n 5.1 Th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u1ea5t v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng<\/h2>\nTh\u00e0nh ph\u1ea7n kho\u00e1ng v\u1eadt t\u1ed5ng th\u1ec3 c\u1ee7a th\u00e2n qu\u1eb7ng \u0111\u00f3ng vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u qu\u1ea3 tuy\u1ec3n qu\u1eb7ng. Qu\u1eb7ng ch\u1ee7 y\u1ebfu ch\u1ee9a kho\u00e1ng ch\u1ea5t cacbonat v\u00e0 oxit \u0111\u01a1n gi\u1ea3n th\u01b0\u1eddng cho k\u1ebft qu\u1ea3 tuy\u1ec3n n\u1ed5i t\u1ed1t h\u01a1n so v\u1edbi qu\u1eb7ng gi\u00e0u silicat ho\u1eb7c qu\u1eb7ng sunfat c\u00f3 \u0111\u1ed9 h\u00f2a tan cao.<\/p>\n Ngo\u00e0i lo\u1ea1i kho\u00e1ng ch\u1ea5t, ki\u1ec3u ph\u00e2n b\u1ed1 \u0111\u1ed3ng trong qu\u1eb7ng c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t thu h\u1ed3i. Khi c\u00e1c kho\u00e1ng ch\u1ea5t \u0111\u1ed3ng ph\u00e2n t\u00e1n m\u1ecbn ho\u1eb7c l\u1eabn v\u1edbi t\u1ea1p ch\u1ea5t, qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng kh\u00f4ng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 x\u1ea3y ra ngay c\u1ea3 sau khi nghi\u1ec1n. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c h\u1ea1t th\u00f4 v\u00e0 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng t\u1ed1t th\u01b0\u1eddng cho hi\u1ec7u su\u1ea5t tuy\u1ec3n n\u1ed5i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u00e0nh ph\u1ea7n \u0111\u1ed3ng \u2013 ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c h\u1ea1t \u0111\u1ed3ng t\u1ef1 do so v\u1edbi \u0111\u1ed3ng li\u00ean k\u1ebft c\u1ea5u tr\u00fac \u2013 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ph\u1ea3n \u1ee9ng luy\u1ec7n kim v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn quy tr\u00ecnh.<\/p>\n 5.2 M\u1ee9c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng v\u00e0 k\u00edch th\u01b0\u1edbc nghi\u1ec1n<\/h2>\nK\u00edch th\u01b0\u1edbc h\u1ea1t nghi\u1ec1n l\u00e0 m\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh quan tr\u1ecdng nh\u1ea5t trong qu\u00e1 tr\u00ecnh tuy\u1ec3n kho\u00e1ng oxit \u0111\u1ed3ng. Nghi\u1ec1n kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 gi\u1ea3i ph\u00f3ng kho\u00e1ng ch\u1ea5t k\u00e9m, trong khi nghi\u1ec1n qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c h\u1ea1t si\u00eau m\u1ecbn.<\/p>\n C\u00e1c lo\u1ea1i slime m\u1ecbn th\u01b0\u1eddng:<\/p>\n \n- \n
Gi\u1ea3m \u0111\u1ed9 ch\u1ecdn l\u1ecdc c\u1ee7a qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i<\/p>\n<\/li>\n - \n
T\u0103ng m\u1ee9c ti\u00eau th\u1ee5 thu\u1ed1c th\u1eed<\/p>\n<\/li>\n - \n
Th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh cu\u1ed1n theo c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t.<\/p>\n<\/li>\n - \n
N\u1ed3ng \u0111\u1ed9 tinh khi\u1ebft th\u1ea5p h\u01a1n<\/p>\n<\/li>\n<\/ul>\n Do \u0111\u00f3, t\u1ed1i \u01b0u h\u00f3a ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u su\u1ea5t thu h\u1ed3i v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng tinh qu\u1eb7ng. C\u00e1c th\u1eed nghi\u1ec7m nghi\u1ec1n trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch gi\u1ea3i ph\u00f3ng kho\u00e1ng ch\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc nghi\u1ec1n t\u1ed1i \u01b0u.<\/p>\n 5.3 H\u00f3a h\u1ecdc b\u1ed9t gi\u1ea5y v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 pH<\/h2>\nQu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i oxit \u0111\u1ed3ng r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u00f3a h\u1ecdc c\u1ee7a huy\u1ec1n ph\u00f9. C\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 gi\u00e1 tr\u1ecb pH, \u0111\u1ed9 m\u1ea1nh ion v\u00e0 n\u1ed3ng \u0111\u1ed9 ion kim lo\u1ea1i h\u00f2a tan c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ef1 h\u1ea5p ph\u1ee5 ch\u1ea5t thu gom v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t kho\u00e1ng ch\u1ea5t.<\/p>\n Ki\u1ec3m so\u00e1t \u0111\u1ed9 pH kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n \n- \n
Ph\u1ea3n \u1ee9ng sunfua h\u00f3a y\u1ebfu<\/p>\n<\/li>\n - \n
Qu\u00e1 tr\u00ecnh hydroxyl h\u00f3a qu\u00e1 m\u1ee9c c\u00e1c b\u1ec1 m\u1eb7t kho\u00e1ng ch\u1ea5t<\/p>\n<\/li>\n - \n
Hi\u1ec7u su\u1ea5t thu gom gi\u1ea3m<\/p>\n<\/li>\n - \n
K\u00edch ho\u1ea1t c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t kh\u00f4ng mong mu\u1ed1n<\/p>\n<\/li>\n<\/ul>\n Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh c\u1ee7a b\u1ed9t gi\u1ea5y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c h\u1ec7 oxit h\u1ed7n h\u1ee3p, n\u01a1i c\u00e1c mu\u1ed1i \u0111\u1ed3ng h\u00f2a tan c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng \u0111i\u1ec7n h\u00f3a.<\/p>\n 5.4 Lo\u1ea1i thu\u1ed1c th\u1eed v\u00e0 li\u1ec1u l\u01b0\u1ee3ng<\/h2>\nVi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 li\u1ec1u l\u01b0\u1ee3ng thu\u1ed1c tuy\u1ec3n n\u1ed5i \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t thu h\u1ed3i \u0111\u1ed3ng. Kho\u00e1ng ch\u1ea5t oxit \u0111\u1ed3ng th\u01b0\u1eddng y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng thu\u1ed1c tuy\u1ec3n n\u1ed5i \u0111\u1eb7c th\u00f9 h\u01a1n so v\u1edbi qu\u1eb7ng sunfua.<\/p>\n C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh li\u00ean quan \u0111\u1ebfn thu\u1ed1c th\u1eed bao g\u1ed3m:<\/p>\n \n- \n
Hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c ch\u1ea5t sunfua h\u00f3a<\/p>\n<\/li>\n - \n
T\u00ednh ch\u1ecdn l\u1ecdc c\u1ee7a ng\u01b0\u1eddi s\u01b0u t\u1ea7m<\/p>\n<\/li>\n - \n
Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi thu\u1ed1c an th\u1ea7n<\/p>\n<\/li>\n - \n
Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u1ea5p ph\u1ee5 thu\u1ed1c th\u1eed c\u1ee7a kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t<\/p>\n<\/li>\n<\/ul>\n S\u1eed d\u1ee5ng qu\u00e1 li\u1ec1u c\u00f3 th\u1ec3 g\u00e2y l\u00e3ng ph\u00ed thu\u1ed1c th\u1eed v\u00e0 l\u00e0m gi\u1ea3m t\u00ednh ch\u1ecdn l\u1ecdc, trong khi s\u1eed d\u1ee5ng thi\u1ebfu li\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00ecnh th\u00e0nh b\u1ec1 m\u1eb7t k\u1ef5 n\u01b0\u1edbc k\u00e9m. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a thu\u1ed1c th\u1eed c\u1ea9n th\u1eadn th\u00f4ng qua th\u1eed nghi\u1ec7m quy m\u00f4 ph\u00f2ng th\u00ed nghi\u1ec7m l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n 5.5 S\u1ef1 can thi\u1ec7p c\u1ee7a kho\u00e1ng ch\u1ea5t Gangue<\/h2>\nC\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t c\u00f3 th\u1ec3 g\u00e2y c\u1ea3n tr\u1edf \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn qu\u00e1 tr\u00ecnh thu h\u1ed3i \u0111\u1ed3ng. Kho\u00e1ng ch\u1ea5t cacbonat c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 axit ho\u1eb7c l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a huy\u1ec1n ph\u00f9, trong khi oxit s\u1eaft v\u00e0 mangan c\u00f3 th\u1ec3 h\u1ea5p ph\u1ee5 ch\u1ea5t thu gom v\u00e0 l\u00e0m gi\u1ea3m li\u1ec1u l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3.<\/p>\n Kho\u00e1ng s\u00e9t \u0111\u1eb7c bi\u1ec7t g\u00e2y nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u00ec ch\u00fang:<\/p>\n \n- \n
T\u0103ng \u0111\u1ed9 nh\u1edbt c\u1ee7a h\u1ed7n h\u1ee3p b\u00f9n<\/p>\n<\/li>\n - \n
G\u00e2y ra l\u1edbp m\u00e0ng nh\u1ea7y<\/p>\n<\/li>\n - \n
Gi\u1ea3m hi\u1ec7u qu\u1ea3 b\u00e1m d\u00ednh gi\u1eefa b\u1ecdt kh\u00ed v\u00e0 h\u1ea1t trong qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i.<\/p>\n<\/li>\n<\/ul>\n H\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t cao th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t quy tr\u00ecnh b\u1ed5 sung \u0111\u1ec3 duy tr\u00ec t\u1ef7 l\u1ec7 thu h\u1ed3i \u1edf m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n 5.6 S\u1ef1 bi\u1ebfn \u0111\u1ed5i qu\u1eb7ng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ecba ch\u1ea5t luy\u1ec7n kim<\/h2>\nC\u00e1c m\u1ecf oxit \u0111\u1ed3ng th\u01b0\u1eddng th\u1ec3 hi\u1ec7n s\u1ef1 bi\u1ebfn \u0111\u1ed5i m\u1ea1nh m\u1ebd v\u1ec1 th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u1ea5t, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 h\u00f2a tan c\u1ee7a \u0111\u1ed3ng trong kh\u00f4ng gian. Do \u0111\u00f3, c\u00e1c kh\u1ed1i qu\u1eb7ng kh\u00e1c nhau c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng kh\u00e1c nhau v\u1edbi c\u00f9ng \u0111i\u1ec1u ki\u1ec7n ch\u1ebf bi\u1ebfn.<\/p>\n Do \u0111\u00f3, vi\u1ec7c l\u1eadp b\u1ea3n \u0111\u1ed3 \u0111\u1ecba ch\u1ea5t luy\u1ec7n kim v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c pha tr\u1ed9n qu\u1eb7ng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh \u0111\u1eb7c t\u00ednh nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a nh\u00e0 m\u00e1y. N\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t qu\u1eb7ng \u0111\u00fang c\u00e1ch, t\u1ef7 l\u1ec7 thu h\u1ed3i c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3, d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng tinh qu\u1eb7ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh t\u0103ng cao.<\/p>\n T\u00f3m t\u1eaft c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng ch\u00ednh<\/h1>\nB\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan ng\u1eafn g\u1ecdn v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m gi\u00e0u qu\u1eb7ng oxit \u0111\u1ed3ng:<\/p>\n \n \n \n\n\n| Nh\u00e2n t\u1ed1<\/th>\n | T\u00e1c \u0111\u1ed9ng ch\u00ednh \u0111\u1ebfn qu\u00e1 tr\u00ecnh tuy\u1ec3n qu\u1eb7ng<\/th>\n | R\u1ee7i ro v\u1eadn h\u00e0nh ti\u1ec1m t\u00e0ng<\/th>\n<\/tr>\n<\/thead>\n | \n\n| Lo\u1ea1i kho\u00e1ng ch\u1ea5t<\/td>\n | X\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng n\u1ed5i<\/td>\n | T\u1ef7 l\u1ec7 thu h\u1ed3i kho\u00e1ng ch\u1ea5t kh\u00f3 ph\u00e2n h\u1ee7y th\u1ea5p<\/td>\n<\/tr>\n | \n| M\u1ee9c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng<\/td>\n | \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 t\u00e1ch<\/td>\n | L\u01b0\u1ee3ng \u0111\u1ed3ng th\u1ea5t tho\u00e1t trong ch\u1ea5t th\u1ea3i qu\u1eb7ng<\/td>\n<\/tr>\n | \n| K\u00edch th\u01b0\u1edbc nghi\u1ec1n<\/td>\n | \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh t\u1ea1o ch\u1ea5t nh\u1ea7y<\/td>\n | N\u1ed3ng \u0111\u1ed9 tinh khi\u1ebft gi\u1ea3m<\/td>\n<\/tr>\n | \n| \u0110\u1ed9 pH v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a b\u1ed9t gi\u1ea5y<\/td>\n | Ki\u1ec3m so\u00e1t c\u00e1c ph\u1ea3n \u1ee9ng b\u1ec1 m\u1eb7t<\/td>\n | Kh\u1ea3 n\u0103ng ch\u1ecdn l\u1ecdc k\u00e9m<\/td>\n<\/tr>\n | \n| H\u1ec7 th\u1ed1ng thu\u1ed1c th\u1eed<\/td>\n | X\u00e1c \u0111\u1ecbnh s\u1ef1 h\u00ecnh th\u00e0nh t\u00ednh k\u1ef5 n\u01b0\u1edbc<\/td>\n | Ti\u00eau th\u1ee5 thu\u1ed1c th\u1eed cao<\/td>\n<\/tr>\n | \n| N\u1ed9i dung b\u0103ng t\u1ea3i<\/td>\n | G\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i<\/td>\n | Chi ph\u00ed x\u1eed l\u00fd t\u0103ng l\u00ean<\/td>\n<\/tr>\n | \n| S\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a qu\u1eb7ng<\/td>\n | G\u00e2y ra s\u1ef1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 hi\u1ec7u su\u1ea5t.<\/td>\n | V\u1eadn h\u00e0nh nh\u00e0 m\u00e1y kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n6. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn v\u00e0 x\u1eed l\u00fd qu\u1eb7ng oxit \u0111\u1ed3ng<\/h2>\nQu\u1eb7ng oxit \u0111\u1ed3ng \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn chuy\u00ean bi\u1ec7t do \u0111\u1eb7c \u0111i\u1ec3m kho\u00e1ng v\u1eadt h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t ri\u00eang bi\u1ec7t c\u1ee7a ch\u00fang. Kh\u00f4ng gi\u1ed1ng nh\u01b0 qu\u1eb7ng sunfua \u0111\u1ed3ng, v\u1ed1n d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i th\u00f4ng th\u01b0\u1eddng, qu\u1eb7ng oxit th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c h\u1ec7 th\u1ed1ng tuy\u1ec3n n\u1ed5i \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn, x\u1eed l\u00fd th\u1ee7y luy\u1ec7n ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn k\u1ebft h\u1ee3p.<\/p>\n Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i kho\u00e1ng ch\u1ea5t \u0111\u1ed3ng, h\u00e0m l\u01b0\u1ee3ng, th\u00e0nh ph\u1ea7n t\u1ea1p ch\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kinh t\u1ebf.<\/p>\n 6.1 Tuy\u1ec3n n\u1ed5i qu\u1eb7ng oxit \u0111\u1ed3ng<\/h2>\nTuy\u1ec3n n\u1ed5i v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m gi\u00e0u qu\u1eb7ng oxit \u0111\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi c\u00e1c kho\u00e1ng ch\u1ea5t cacbonat v\u00e0 oxit \u0111\u01a1n gi\u1ea3n chi\u1ebfm \u01b0u th\u1ebf.<\/p>\n Nguy\u00ean t\u1eafc quy tr\u00ecnh<\/h3>\nDo c\u00e1c kho\u00e1ng ch\u1ea5t oxit kh\u00f4ng ph\u1ea3n \u1ee9ng t\u1ef1 nhi\u00ean v\u1edbi c\u00e1c ch\u1ea5t thu gom sunfua th\u00f4ng th\u01b0\u1eddng, qu\u00e1 tr\u00ecnh tuy\u1ec3n n\u1ed5i th\u01b0\u1eddng y\u00eau c\u1ea7u s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t. X\u1eed l\u00fd h\u00f3a h\u1ecdc l\u00e0m thay \u0111\u1ed5i b\u1ec1 m\u1eb7t kho\u00e1ng ch\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 ch\u1ea5t thu gom v\u00e0 t\u1ea1o ra \u0111\u1eb7c t\u00ednh k\u1ef5 n\u01b0\u1edbc.<\/p>\n Quy tr\u00ecnh tuy\u1ec3n n\u1ed5i t\u1ed5ng qu\u00e1t bao g\u1ed3m:<\/p>\n \n- \n
Nghi\u1ec1n v\u00e0 xay<\/p>\n<\/li>\n - \n
\u0110i\u1ec1u ki\u1ec7n b\u1ed9t gi\u1ea5y<\/p>\n<\/li>\n - \n
Phi\u00ean b\u1ea3n d\u00e0nh cho nh\u00e0 s\u01b0u t\u1eadp<\/p>\n<\/li>\n - \n
C\u00e1c giai \u0111o\u1ea1n tuy\u1ec3n n\u1ed5i th\u00f4 h\u01a1n v\u00e0 s\u1ea1ch h\u01a1n<\/p>\n<\/li>\n<\/ul>\n C\u00e1c lo\u1ea1i qu\u1eb7ng ph\u00f9 h\u1ee3p<\/h3>\nPh\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i hi\u1ec7u qu\u1ea3 nh\u1ea5t trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n \n- \n
Qu\u1eb7ng ch\u1ee7 y\u1ebfu l\u00e0 malachite<\/p>\n<\/li>\n - \n
Qu\u1eb7ng ch\u1ee9a cuprit<\/p>\n<\/li>\n - \n
Qu\u1eb7ng oxit-sulfua h\u1ed7n h\u1ee3p<\/p>\n<\/li>\n<\/ul>\n Thu\u1eadn l\u1ee3i<\/h3>\n\n- \n
S\u1ea3n xu\u1ea5t tinh ch\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n<\/p>\n<\/li>\n - \n
T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c nh\u00e0 m\u00e1y tuy\u1ec3n n\u1ed5i hi\u1ec7n c\u00f3<\/p>\n<\/li>\n - \n
L\u01b0\u1ee3ng axit ti\u00eau th\u1ee5 \u00edt h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft.<\/p>\n<\/li>\n<\/ul>\n H\u1ea1n ch\u1ebf<\/h3>\n\n- \n
Hi\u1ec7u su\u1ea5t thu h\u1ed3i th\u1ea5p h\u01a1n \u0111\u1ed1i v\u1edbi qu\u1eb7ng gi\u00e0u silicat.<\/p>\n<\/li>\n - \n
Nh\u1ea1y c\u1ea3m v\u1edbi th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a b\u1ed9t gi\u1ea5y<\/p>\n<\/li>\n - \n
L\u01b0\u1ee3ng thu\u1ed1c th\u1eed ti\u00eau th\u1ee5 cao h\u01a1n trong qu\u1eb7ng ph\u1ee9c t\u1ea1p.<\/p>\n<\/li>\n<\/ul>\n Ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn khi h\u00e0m l\u01b0\u1ee3ng qu\u1eb7ng \u1edf m\u1ee9c trung b\u00ecnh \u0111\u1ebfn cao v\u00e0 vi\u1ec7c gi\u1ea3i ph\u00f3ng kho\u00e1ng ch\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n.<\/p>\n 6.2 X\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft axit v\u00e0 th\u1ee7y luy\u1ec7n<\/h2>\n\u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i qu\u1eb7ng kh\u00f3 tuy\u1ec3n n\u1ed5i\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u1ecf gi\u00e0u silicat ho\u1eb7c b\u1ecb oxy h\u00f3a cao\u2014ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft b\u1eb1ng axit th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn.<\/p>\n Nguy\u00ean t\u1eafc quy tr\u00ecnh<\/h3>\nTrong ph\u01b0\u01a1ng ph\u00e1p tr\u00edch ly b\u1eb1ng axit, \u0111\u1ed3ng \u0111\u01b0\u1ee3c h\u00f2a tan v\u00e0o dung d\u1ecbch b\u1eb1ng axit sulfuric. C\u00e1c ion \u0111\u1ed3ng h\u00f2a tan sau \u0111\u00f3 \u0111\u01b0\u1ee3c thu h\u1ed3i th\u00f4ng qua qu\u00e1 tr\u00ecnh chi\u1ebft dung m\u00f4i v\u00e0 \u0111i\u1ec7n ph\u00e2n (SX-EW), t\u1ea1o ra \u0111\u1ed3ng cat\u1ed1t c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n Quy tr\u00ecnh th\u1ee7y luy\u1ec7n \u0111i\u1ec3n h\u00ecnh:<\/p>\n \n- \n
Nghi\u1ec1n n\u00e1t<\/p>\n<\/li>\n - \n
Ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n qu\u1eb7ng b\u1eb1ng c\u00e1ch ng\u00e2m t\u1ea9m ho\u1eb7c ng\u00e2m t\u1ea9m<\/p>\n<\/li>\n - \n
Chi\u1ebft xu\u1ea5t dung m\u00f4i (SX)<\/p>\n<\/li>\n - \n
Th\u1eafng c\u1eed b\u1eb1ng \u0111i\u1ec7n (EW)<\/p>\n<\/li>\n<\/ul>\n C\u00e1c lo\u1ea1i qu\u1eb7ng ph\u00f9 h\u1ee3p<\/h3>\n\n- \n
Qu\u1eb7ng ch\u1ee9a chrysocolla<\/p>\n<\/li>\n - \n
Qu\u1eb7ng oxit c\u1ea5p th\u1ea5p<\/p>\n<\/li>\n - \n
C\u00e1c tr\u1ea7m t\u00edch b\u1ecb phong h\u00f3a m\u1ea1nh<\/p>\n<\/li>\n - \n
Qu\u1eb7ng c\u00f3 s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng m\u1ecbn<\/p>\n<\/li>\n<\/ul>\n Thu\u1eadn l\u1ee3i<\/h3>\n\n- \n
C\u00f3 hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi qu\u1eb7ng c\u1ea5p th\u1ea5p.<\/p>\n<\/li>\n - \n
L\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 th\u1ea5p h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i c\u1ea7n nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n nghi\u1ec1n.<\/p>\n<\/li>\n - \n
S\u1ea3n xu\u1ea5t tr\u1ef1c ti\u1ebfp \u0111\u1ed3ng cat\u1ed1t \u0111\u1ea1t ti\u00eau chu\u1ea9n LME.<\/p>\n<\/li>\n<\/ul>\n H\u1ea1n ch\u1ebf<\/h3>\n\n- \n
L\u01b0\u1ee3ng axit ti\u00eau th\u1ee5 cao trong qu\u1eb7ng gi\u00e0u cacbonat<\/p>\n<\/li>\n - \n
Chu k\u1ef3 x\u1eed l\u00fd ch\u1eadm h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n qu\u1eb7ng b\u1eb1ng dung d\u1ecbch n\u00f3ng ch\u1ea3y)<\/p>\n<\/li>\n - \n
C\u1ea7n c\u00f3 s\u1ef1 qu\u1ea3n l\u00fd ngu\u1ed3n n\u01b0\u1edbc v\u00e0 ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ul>\n Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd th\u1ee7y luy\u1ec7n ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng khi ngu\u1ed3n t\u00e0i nguy\u00ean sunfua ch\u1ea5t l\u01b0\u1ee3ng cao tr\u00ean to\u00e0n c\u1ea7u \u0111ang suy gi\u1ea3m.<\/p>\n 6.3 Quy tr\u00ecnh tuy\u1ec3n n\u1ed5i \u2013 l\u1ecdc k\u1ebft h\u1ee3p<\/h2>\nTrong nhi\u1ec1u m\u1ecf, qu\u1eb7ng oxit \u0111\u1ed3ng xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng h\u1ec7 h\u1ed7n h\u1ee3p ch\u1ee9a c\u1ea3 kho\u00e1ng ch\u1ea5t d\u1ec5 tuy\u1ec3n n\u1ed5i v\u00e0 kho\u00e1ng ch\u1ea5t kh\u00f3 tuy\u1ec3n n\u1ed5i. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, ng\u01b0\u1eddi ta \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n qu\u1eb7ng k\u1ebft h\u1ee3p.<\/p>\n Kh\u00e1i ni\u1ec7m quy tr\u00ecnh<\/h3>\n\n- \n
Tuy\u1ec3n n\u1ed5i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu h\u1ed3i c\u00e1c kho\u00e1ng ch\u1ea5t \u0111\u1ed3ng d\u1ec5 tuy\u1ec3n n\u1ed5i.<\/p>\n<\/li>\n - \n
B\u00e3 qu\u1eb7ng ho\u1eb7c qu\u1eb7ng trung gian \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o qu\u00e1 tr\u00ecnh l\u1ecdc \u0111\u1ec3 chi\u1ebft xu\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng c\u00f2n l\u1ea1i.<\/p>\n<\/li>\n<\/ul>\n Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft h\u1ee3p n\u00e0y t\u1ed1i \u0111a h\u00f3a t\u1ed5ng l\u01b0\u1ee3ng \u0111\u1ed3ng thu h\u1ed3i \u0111\u01b0\u1ee3c \u0111\u1ed3ng th\u1eddi ki\u1ec3m so\u00e1t chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng<\/h3>\n\n- \n
Qu\u1eb7ng oxit-sulfua h\u1ed7n h\u1ee3p<\/p>\n<\/li>\n - \n
Qu\u1eb7ng c\u00f3 s\u1ef1 ph\u00e2n b\u1ed1 kho\u00e1ng ch\u1ea5t kh\u00e1c nhau<\/p>\n<\/li>\n - \n
M\u1ecf qu\u1eb7ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng trung b\u00ecnh, y\u00eau c\u1ea7u t\u1ef7 l\u1ec7 khai th\u00e1c cao.<\/p>\n<\/li>\n<\/ul>\n Nh\u1eefng l\u1ee3i \u00edch<\/h3>\n\n- \n
Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i t\u1ed5ng th\u1ec3 cao h\u01a1n<\/p>\n<\/li>\n - \n
Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng linh ho\u1ea1t v\u1edbi s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a qu\u1eb7ng<\/p>\n<\/li>\n - \n
Hi\u1ec7u qu\u1ea3 kinh t\u1ebf \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/p>\n<\/li>\n<\/ul>\n Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y tuy\u1ec3n qu\u1eb7ng \u0111\u1ed3ng quy m\u00f4 l\u1edbn, n\u01a1i vi\u1ec7c t\u1ed1i \u0111a h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n 6.4 Kh\u1eed tr\u1ef1c ti\u1ebfp ho\u1eb7c x\u1eed l\u00fd h\u00f3a ch\u1ea5t chuy\u00ean bi\u1ec7t<\/h2>\nTrong m\u1ed9t s\u1ed1 m\u1ecf oxit ph\u1ee9c t\u1ea1p, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf nh\u01b0 nung kh\u1eed ho\u1eb7c chi\u1ebft xu\u1ea5t h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n C\u00e1c quy tr\u00ecnh n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch:<\/p>\n \n- \n
Thay \u0111\u1ed5i c\u1ea5u tr\u00fac kho\u00e1ng ch\u1ea5t<\/p>\n<\/li>\n - \n
C\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng kim lo\u1ea1i<\/p>\n<\/li>\n - \n
T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i \u1edf h\u1ea1 l\u01b0u<\/p>\n<\/li>\n<\/ul>\n Tuy nhi\u00ean, do chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 v\u1eadn h\u00e0nh cao h\u01a1n, ch\u00fang th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i v\u00e0 l\u1ecdc truy\u1ec1n th\u1ed1ng kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/p>\n So s\u00e1nh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd ch\u00ednh<\/h1>\nB\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd qu\u1eb7ng oxit \u0111\u1ed3ng:<\/p>\n \n \n \n\n\n| Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd<\/th>\n | Lo\u1ea1i qu\u1eb7ng ph\u00f9 h\u1ee3p<\/th>\n | Ph\u1ea1m vi c\u1ea5p \u0111\u1ed9 \u0111\u1ed3ng<\/th>\n | Ti\u1ec1m n\u0103ng ph\u1ee5c h\u1ed3i<\/th>\n | Chi ph\u00ed v\u1ed1n<\/th>\n | T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd<\/th>\n<\/tr>\n<\/thead>\n | \n\n| Tuy\u1ec3n n\u1ed5i<\/td>\n | Qu\u1eb7ng cacbonat v\u00e0 oxit \u0111\u01a1n gi\u1ea3n<\/td>\n | Trung b\u00ecnh-Cao<\/td>\n | Trung b\u00ecnh-Cao<\/td>\n | Trung b\u00ecnh<\/td>\n | Nhanh<\/td>\n<\/tr>\n | \n| Ph\u01b0\u01a1ng ph\u00e1p chi\u1ebft xu\u1ea5t b\u1eb1ng axit (SX-EW)<\/td>\n | Qu\u1eb7ng c\u1ea5p th\u1ea5p v\u00e0 gi\u00e0u silicat<\/td>\n | Th\u1ea5p-Trung b\u00ecnh<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n | Trung b\u00ecnh-Cao<\/td>\n | Ch\u1eadm \u2013 V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n | \n| Tuy\u1ec3n n\u1ed5i + L\u1ecdc<\/td>\n | Qu\u1eb7ng h\u1ed7n h\u1ee3p<\/td>\n | Trung b\u00ecnh<\/td>\n | Cao<\/td>\n | Cao h\u01a1n<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n | \n| X\u1eed l\u00fd h\u00f3a h\u1ecdc\/kh\u1eed<\/td>\n | Qu\u1eb7ng ch\u1ecbu nhi\u1ec7t<\/td>\n | Bi\u1ebfn<\/td>\n | T\u00f9y t\u1eebng tr\u01b0\u1eddng h\u1ee3p<\/td>\n | Cao<\/td>\n | Bi\u1ebfn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n7. T\u1ea7m quan tr\u1ecdng chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a vi\u1ec7c ph\u00e1t tri\u1ec3n ngu\u1ed3n t\u00e0i nguy\u00ean oxit \u0111\u1ed3ng<\/h2>\nKhi nhu c\u1ea7u \u0111\u1ed3ng to\u00e0n c\u1ea7u t\u0103ng l\u00ean v\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean sunfua gi\u1ea3m xu\u1ed1ng:<\/p>\n \n- \n
Qu\u1eb7ng oxit \u0111\u1ed3ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean b\u1ed5 sung quan tr\u1ecdng.<\/p>\n<\/li>\n - \n
T\u1ef7 l\u1ec7 thu h\u1ed3i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n gi\u00fap n\u00e2ng cao gi\u00e1 tr\u1ecb kinh t\u1ebf.<\/p>\n<\/li>\n - \n
C\u00e1c c\u00f4ng ngh\u1ec7 tuy\u1ec3n kho\u00e1ng ti\u00ean ti\u1ebfn gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd m\u1ecf.<\/p>\n<\/li>\n<\/ul>\n Vi\u1ec7c ph\u00e1t tri\u1ec3n hi\u1ec7u qu\u1ea3 c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean oxit \u0111\u1ed3ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng l\u00e2u d\u00e0i c\u1ee7a ngu\u1ed3n cung \u0111\u1ed3ng.<\/p>\n Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\nQu\u1eb7ng oxit \u0111\u1ed3ng \u0111ang \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ed3ng to\u00e0n c\u1ea7u. M\u1eb7c d\u00f9 c\u1ea5u tr\u00fac kho\u00e1ng v\u1eadt ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t \u01b0a n\u01b0\u1edbc khi\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m gi\u00e0u g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n, nh\u01b0ng c\u00e1c c\u00f4ng ngh\u1ec7 tuy\u1ec3n n\u1ed5i v\u00e0 th\u1ee7y luy\u1ec7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 thu h\u1ed3i kh\u1ea3 quan.<\/p>\n Nh\u1eefng c\u1ea3i ti\u1ebfn trong t\u01b0\u01a1ng lai v\u1ec1 ph\u00e2n t\u00edch kho\u00e1ng v\u1eadt h\u1ecdc, ph\u00e1t tri\u1ec3n thu\u1ed1c th\u1eed v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ebd ti\u1ebfp t\u1ee5c n\u00e2ng cao gi\u00e1 tr\u1ecb kinh t\u1ebf c\u1ee7a c\u00e1c m\u1ecf oxit \u0111\u1ed3ng.<\/p>","protected":false},"excerpt":{"rendered":" Introduction: Rising Global Copper Demand and Resource Transition Copper is a critical metal for modern industry and the global energy transition. It plays an essential role in power transmission, electric vehicles, renewable energy systems, battery storage, and infrastructure development. As global electrification accelerates, copper demand continues to rise steadily. However, […]<\/p>\n","protected":false},"author":1,"featured_media":21231,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\n Copper Oxide Ore Processing & Beneficiation Methods<\/title>\n<meta name=\"description\" content=\"Overview of copper oxide ore beneficiation, including flotation, leaching, and recovery methods for oxide copper deposits.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cementindustrial.com\/vi\/gioi-thieu-ve-quang-oxit-dong\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Copper Oxide Ore 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