{"id":6678,"date":"2026-01-29T14:32:42","date_gmt":"2026-01-29T06:32:42","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=6678"},"modified":"2026-01-30T19:33:42","modified_gmt":"2026-01-30T11:33:42","slug":"advanced-ev-metal-li-ni-co-agitators-mastering-high-viscosity-acid-leaching","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/advanced-ev-metal-li-ni-co-agitators-mastering-high-viscosity-acid-leaching\/","title":{"rendered":"M\u00e1y khu\u1ea5y \u0111\u1ed9ng kim lo\u1ea1i EV ti\u00ean ti\u1ebfn (Li, Ni, Co): N\u1eafm v\u1eefng \u0111\u1ed9 nh\u1edbt cao & Ch\u1ea3y axit"},"content":{"rendered":"

\"Th\u1eddi<\/p>\n

H\u00e3y nh\u00ecn xung quanh b\u1ea1n tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c h\u00f4m nay, v\u00e0 b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y s\u1ef1 thay \u0111\u1ed5i \u0111ang di\u1ec5n ra ngay b\u00e2y gi\u1edd. Cho d\u00f9 \u0111\u00f3 l\u00e0 m\u1ed9t chi\u1ebfc Tesla m\u01b0\u1ee3t m\u00e0 di chuy\u1ec3n l\u1eb7ng l\u1ebd ho\u1eb7c m\u1ed9t chi\u1ebfc xe bu\u00fdt BYD m\u1ea1nh m\u1ebd ch\u1edf h\u00e0nh kh\u00e1ch, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i xe \u0111i\u1ec7n kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t gi\u1ea5c m\u01a1 xa x\u00f4i n\u1eefa - \u0111\u00f3 l\u00e0 th\u1ebf gi\u1edbi hi\u1ec7n t\u1ea1i c\u1ee7a ch\u00fang ta. Nh\u01b0ng h\u00e3y l\u1ea5y l\u1ea1i s\u01a1n b\u00f3ng v\u00e0 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f4ng ngh\u1ec7 cao, v\u00e0 b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y tr\u00e1i tim h\u00f3a h\u1ecdc c\u1ee7a cu\u1ed9c c\u00e1ch m\u1ea1ng n\u00e0y: v\u1eadt li\u1ec7u pin v\u00e0 c\u00e1c quy tr\u00ecnh h\u00f3a h\u1ecdc c\u00f4ng nghi\u1ec7p \u0111\u1eb1ng sau ch\u00fang. Ch\u00fang ta th\u01b0\u1eddng n\u00f3i v\u1ec1 “ lithium” nh\u01b0 th\u1ec3 n\u00f3 ra kh\u1ecfi m\u1eb7t \u0111\u1ea5t s\u1eb5n s\u00e0ng \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o m\u1ed9t chi\u1ebfc xe. Tr\u00ean th\u1ef1c t\u1ebf, bi\u1ebfn qu\u1eb7ng th\u00f4 th\u00e0nh h\u1ee3p ch\u1ea5t lithium c\u1ea5p pin cho pin EV l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n v\u00e0 l\u1ed9n x\u1ed9n. N\u00f3 \u0111\u00f2i h\u1ecfi c\u00e1c b\u1ec3 l\u1edbn \u0111\u1ea7y b\u00f9n d\u00e0y, xoay quanh c\u00f3 \u0111\u1ed9 nh\u1edbt cao, axit m\u1ea1nh v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i nhanh ch\u00f3ng n\u1ebfu h\u1ed7n h\u1ee3p b\u1ecb t\u1eaft. \u0110\u00e2y l\u00e0 n\u01a1i x\u01b0\u01a1ng s\u1ed1ng c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng b\u1ecb b\u1ecf qua c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch xu\u1ea5t hi\u1ec7n - c\u00e1c b\u1ed9 khu\u1ea5y \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p gi\u00fap gi\u1eef cho chu\u1ed7i cung \u1ee9ng pin EV to\u00e0n c\u1ea7u di chuy\u1ec3n tr\u01a1n tru.<\/p>\n

Li\u00ean k\u1ebft quan tr\u1ecdng gi\u1eefa Agitation <\/strong>&<\/strong>\u00a0Kim lo\u1ea1i pin tinh khi\u1ebft cao<\/strong><\/h2>\n

Tr\u1ed9n tr\u1ed9n tr\u00f4ng d\u1ec5 d\u00e0ng ngay t\u1eeb c\u00e1i nh\u00ecn \u0111\u1ea7u ti\u00ean. Nh\u01b0ng trong th\u1ebf gi\u1edbi khai th\u00e1c kim lo\u1ea1i pin EV, n\u00f3 ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t b\u01b0\u1edbc qu\u00e1 tr\u00ecnh quan tr\u1ecdng h\u01a1n l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng ph\u1ee5 tr\u1ee3 \u0111\u01a1n gi\u1ea3n. M\u00e1y khu\u1ea5y \u0111\u1ed9ng duy tr\u00ec s\u1ef1 treo h\u1ea1t li\u00ean t\u1ee5c v\u00e0 th\u00fac \u0111\u1ea9y chuy\u1ec3n kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ed3ng nh\u1ea5t. H\u1ecd \u0111\u1ea3m b\u1ea3o h\u00f3a ch\u1ea5t \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u ch\u1ea1m v\u00e0o t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 trong to\u00e0n b\u1ed9 kh\u1ed1i l\u01b0\u1ee3ng l\u00f2 ph\u1ea3n \u1ee9ng. Ch\u00fang ng\u0103n ch\u1eb7n s\u1ef1 t\u1eafc ngh\u1ebdn tr\u1ea7m t\u00edch v\u00e0 c\u00e1c d\u00f2ng ch\u1ea3y ng\u1eafn m\u1ea1ch c\u00f3 th\u1ec3 d\u1eebng s\u1ea3n xu\u1ea5t. \u0110\u1ed1i v\u1edbi kim lo\u1ea1i nh\u01b0 lithium t\u1eeb spodumene ho\u1eb7c niken t\u1eeb qu\u1eb7ng laterite, k\u1ebft qu\u1ea3 tr\u1ed9n y\u1ebfu d\u1eabn \u0111\u1ebfn t\u1ef7 l\u1ec7 ph\u1ee5c h\u1ed3i th\u1ea5p h\u01a1n v\u00e0 s\u1ea3n l\u01b0\u1ee3ng tinh khi\u1ebft \u00edt h\u01a1n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u1ecdn \u0111\u00fang m\u00e1y khu\u1ea5y \u0111\u1ed9ng cho ng\u00e0nh c\u00f4ng nghi\u1ec7p phi s\u1eaft<\/b><\/u><\/strong><\/a>\u00a0\u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng nh\u01b0 v\u1eady.<\/p>\n

\"M\u00e1y<\/p>\n

T\u1ea1i sao s\u1ef1 \u0111\u1ed3ng nh\u1ea5t b\u00f9n l\u00e0 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi kim lo\u1ea1i EV<\/strong><\/h3>\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t b\u1ec3 ch\u1ee9a \u0111\u1ea7y b\u00f9n qu\u1eb7ng \u0111\u1ecbnh c\u01b0 \u1edf \u0111\u00e1y do n\u0103ng l\u01b0\u1ee3ng k\u00edch \u0111\u1ed9ng kh\u00f4ng \u0111\u1ee7. Ph\u1ea3n \u1ee9ng ch\u1ec9 x\u1ea3y ra khi axit ch\u1ea1m v\u00e0o c\u00e1c ch\u1ea5t r\u1eafn, \u0111\u1ec3 l\u1ea1i c\u00e1c m\u1ea3nh kh\u00f4ng b\u1ecb ch\u1ea1m v\u00e0o. H\u1ed7n h\u1ee3p kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u1eaft gi\u1ea3m s\u1ef1 ph\u1ee5c h\u1ed3i kim lo\u1ea1i 20-30% trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, d\u1ef1a tr\u00ean c\u00e1c b\u00e1o c\u00e1o c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1eeb ch\u1ebf bi\u1ebfn lithium. T\u00e0i nguy\u00ean l\u00e3ng ph\u00ed t\u0103ng nhanh ch\u00f3ng - s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n, c\u1ea7n nhi\u1ec1u h\u00f3a ch\u1ea5t h\u01a1n v\u00e0 th\u1eddi gian x\u1eed l\u00fd d\u00e0i h\u01a1n \u0111\u1ec3 \u0111\u1ea1t m\u1ee9c khai th\u00e1c m\u1ee5c ti\u00eau. V\u00ed d\u1ee5, trong vi\u1ec7c r\u1eeda spodumene, n\u1ebfu ch\u1ea5t r\u1eafn kh\u00f4ng b\u1ecb treo ho\u00e0n to\u00e0n, khai th\u00e1c lithium gi\u1ea3m hi\u1ec7u qu\u1ea3 xu\u1ed1ng c\u00f2n 90%, bu\u1ed9c c\u00e1c nh\u00e0 m\u00e1y ph\u1ea3i t\u00e1i ch\u1ebf c\u00e1c l\u00f4 ho\u1eb7c t\u0103ng li\u1ec1u l\u01b0\u1ee3ng axit. \u0110i\u1ec1u \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1ee3i nhu\u1eadn v\u00e0 tr\u00ec ho\u00e3n cung c\u1ea5p pin EV. M\u1ed9t b\u1ed9 khu\u1ea5y \u0111\u1ed9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t \u0111\u1ec3 r\u1eeda spodumene gi\u1eef m\u1ecdi th\u1ee9 b\u1ecb treo trong su\u1ed1t chi\u1ec1u cao b\u1ec3 \u0111\u1ea7y \u0111\u1ee7, t\u0103ng c\u01b0\u1eddng t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh hi\u1ec7u su\u1ea5t ph\u1ee5c h\u1ed3i lithium. C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 th\u1ebf n\u00e0y xu\u1ea5t hi\u1ec7n trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf: m\u1ed9t m\u1ecf \u00dac th\u1ea5y n\u0103ng su\u1ea5t t\u0103ng 15% sau khi n\u00e2ng c\u1ea5p l\u00ean m\u00e1y tr\u1ed9n t\u1ed1t h\u01a1n. \u0110\u1ed1i v\u1edbi coban v\u00e0 niken, c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1 xu\u1ea5t hi\u1ec7n trong c\u00e1c thi\u1ebft l\u1eadp HPAL, n\u01a1i d\u00f2ng ch\u1ea3y kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u0111i\u1ec3m n\u00f3ng l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb ho\u1eb7c gi\u1ea3m \u0111\u1ed9 tinh khi\u1ebft xu\u1ed1ng d\u01b0\u1edbi 99%, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi pin.<\/p>\n

Chuy\u1ec3n t\u1eeb h\u1eadu qu\u1ea3 c\u01a1 b\u1ea3n, n\u00f3’ s r\u00f5 r\u00e0ng r\u1eb1ng k\u00edch \u0111\u1ed9ng l\u00e0’ t ch\u1ec9 v\u1ec1 khu\u1ea5y. N\u00f3 \u0111\u1ecbnh h\u00ecnh c\u00e1ch l\u1ef1c h\u00e0nh \u0111\u1ed9ng tr\u00ean c\u00e1c h\u1ea1t. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vai tr\u00f2 c\u1ee7a c\u1eaft, n\u01a1i ki\u1ec3m so\u00e1t t\u1ea1o ra m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c qu\u1eb7ng \u0111a d\u1ea1ng.<\/p>\n

S\u1ee9c m\u1ea1nh \u1ea9n c\u1ee7a l\u1ef1c c\u1eaft \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/strong><\/h3>\n

M\u1ed7i lo\u1ea1i kim lo\u1ea1i pin EV y\u00eau c\u1ea7u m\u00f4 h\u00ecnh c\u1eaft t\u1ed1i \u01b0u c\u1ee7a ri\u00eang n\u00f3. M\u1ee5c ti\u00eau l\u00e0 c\u00e2n b\u1eb1ng s\u1ef1 \u1ed5n \u0111\u1ecbnh treo r\u1eafn v\u1edbi \u0111\u1ed9ng l\u1ef1c ph\u1ea3n \u1ee9ng v\u00e0 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb. C\u00e1c qu\u1eb7ng kh\u00e1c nhau r\u1ea5t nhi\u1ec1u v\u1ec1 \u0111\u1ed9 c\u1ee9ng, ph\u00e2n ph\u1ed1i k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 h\u00e0nh vi ph\u1ea3n l\u00fd. Lithium t\u1eeb spodumene \u0111\u00f2i h\u1ecfi tr\u1ed9n nh\u1eb9 nh\u00e0ng \u0111\u1ec3 v\u1eadt li\u1ec7u kh\u00f4ng nghi\u1ec1n qu\u00e1 m\u1ee9c ho\u1eb7c t\u1ea1o ra ph\u1ea1t qu\u00e1 m\u1ee9c. Qu\u1eb7ng niken laterite c\u1ea7n l\u1ef1c m\u1ea1nh h\u01a1n \u0111\u1ec3 t\u00e1ch c\u00e1c c\u1ee5m d\u00e0y v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ea3y b\u00f9n. Cobalt trung gian ng\u1ed3i \u1edf \u0111\u00e2u \u0111\u00f3 \u1edf gi\u1eefa. H\u1ecd th\u01b0\u1eddng y\u00eau c\u1ea7u c\u1eaft \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 gi\u1eef d\u00f2ng ch\u1ea3y m\u01b0\u1ee3t m\u00e0 kh\u00f4ng c\u00f3 qu\u00e1 nhi\u1ec1u m\u00e0i m\u00f2n c\u01a1 kh\u00ed.<\/p>\n

Spodumene l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t c\u1ee9ng. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t v\u1edbi c\u00e1nh qu\u1ea1t t\u1ea1o ra d\u00f2ng ch\u1ea3y tr\u1ee5c \u1edf t\u1ed1c \u0111\u1ed9 t\u1eeb 50 \u0111\u1ebfn 150 rpm. \u0110i\u1ec1u n\u00e0y n\u00e2ng ch\u1ea5t r\u1eafn m\u00e0 kh\u00f4ng bi\u1ebfn ch\u00fang th\u00e0nh b\u1ee5i m\u1ecbn l\u00e0m cho vi\u1ec7c l\u1ecdc kh\u00f3 kh\u0103n h\u01a1n. Nickel laterite c\u00f3 c\u1ea3m gi\u00e1c nh\u01b0 \u0111\u1ea5t s\u00e9t. N\u00f3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u1eaft cao h\u01a1n, kho\u1ea3ng 200-300 v\u00f2ng\/ph\u00fat, \u0111\u1ec3 lan c\u00e1c h\u1ea1t d\u00ednh. X\u1eed l\u00fd cobalt c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1nh qu\u1ea1t \u0111a giai \u0111o\u1ea1n \u0111\u1ec3 tr\u1ed9n l\u1edbp. Nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y \u0111\u1eb7t ra y\u00eau c\u1ea7u cao v\u1ec1 k\u1ef9 thu\u1eadt: h\u00ecnh d\u1ea1ng c\u00e1nh qu\u1ea1t nh\u01b0 l\u01b0\u1ee1i cong cho c\u1eaft th\u1ea5p ho\u1eb7c l\u01b0\u1ee1i cong cho tr\u1ee5c cao, \u1ed5n \u0111\u1ecbnh x\u1eed l\u00fd m\u00f4-men xo\u1eafn l\u00ean \u0111\u1ebfn 10.000 Nm ho\u1eb7c cao h\u01a1n trong b\u1ec3 HPAL l\u1edbn v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh tinh t\u1ebf \u0111\u1ec3 tr\u00e1nh xo\u00e1y xo\u00e1y. M\u1ed9t s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm ph\u1ea3n \u1ee9ng m\u1ed9t n\u1eeda ho\u1eb7c m\u00f2n c\u00e1c b\u1ed9 ph\u1eadn trong v\u00e0i th\u00e1ng thay v\u00ec nhi\u1ec1u n\u0103m.<\/p>\n

K\u1ef9 thu\u1eadt cho m\u00f4i tr\u01b0\u1eddng c\u1ef1c \u0111oan: \u00c1p su\u1ea5t cao & Ch\u1ea3y axit (HPAL)<\/strong><\/h2>\n

C\u00e1c quy tr\u00ecnh HPAL \u0111\u1ea9y thi\u1ebft b\u1ecb \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1edbi \u00e1p su\u1ea5t tr\u00ean 40 bar v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t 250 \u00b0 C. M\u00e1y khu\u1ea5y ph\u1ea3i khu\u1ea5y b\u00f9n nh\u1edbt m\u00e0 kh\u00f4ng b\u1ecb th\u1ea5t b\u1ea1i, t\u1ea5t c\u1ea3 trong khi ch\u1ed1ng \u0103n m\u00f2n t\u1eeb axit sulfuric. Ph\u1ea7n n\u00e0y xem x\u00e9t c\u00e1ch thi\u1ebft k\u1ebf m\u00e1y khu\u1ea5y \u0111\u1ed9ng t\u1eadp trung v\u00e0o k\u1ef9 thu\u1eadt \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u n\u00e0y trong khai th\u00e1c lithium v\u00e0 kim lo\u1ea1i kh\u00e1c.<\/p>\n

Gi\u1ea3i quy\u1ebft r\u1ec9 axit trong ch\u1ebf bi\u1ebfn Spodumene<\/strong><\/h3>\n

Spodumene r\u1eeda c\u00f3 ngh\u0129a l\u00e0 ng\u00e2m qu\u1eb7ng nghi\u1ec1n trong axit n\u00f3ng \u0111\u1ec3 gi\u1ea3i ph\u00f3ng ion lithium t\u1eeb thi\u1ebft l\u1eadp tinh th\u1ec3. B\u00f9n tr\u1edf n\u00ean d\u00e0y \u0111\u1eb7c - \u0111\u1ed9 nh\u1edbt l\u00ean \u0111\u1ebfn 5.000 cP - v\u00e0 th\u00f4, l\u00e0m m\u00f2n m\u00e1y tr\u1ed9n b\u00ecnh th\u01b0\u1eddng nhanh ch\u00f3ng. M\u1ed9t m\u00e1y khu\u1ea5y \u0111\u1ed9ng t\u1ed1t \u0111\u1ec3 r\u1eeda spodumene s\u1eed d\u1ee5ng c\u00e1nh qu\u1ea1t \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, n\u00f3i 2-3 m\u00e9t qua, \u0111\u1ec3 t\u1ea1o ra d\u00f2ng ch\u1ea3y th\u1eadm ch\u00ed trong c\u00e1c b\u1ec3 ch\u1ee9a 1.000 m\u00e9t kh\u1ed1i. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y ti\u1ebfp x\u00fac \u0111\u1ea7y \u0111\u1ee7 gi\u1eefa axit v\u00e0 qu\u1eb7ng, n\u00e2ng t\u1ef7 l\u1ec7 ph\u1ee5c h\u1ed3i l\u00ean 95% ho\u1eb7c h\u01a1n. Trong th\u1ef1c t\u1ebf, c\u00e1c nh\u00e0 m\u00e1y \u1edf Trung Qu\u1ed1c v\u00e0 \u00dac s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft l\u1eadp nh\u01b0 v\u1eady \u0111\u1ec3 x\u1eed l\u00fd 50.000 t\u1ea5n qu\u1eb7ng m\u1ed7i n\u0103m. N\u1ebfu kh\u00f4ng tr\u1ed9n \u0111\u00fang c\u00e1ch, c\u00e1c t\u00fai axit h\u00ecnh th\u00e0nh, gi\u1ea3m hi\u1ec7u qu\u1ea3 v\u00e0 t\u0103ng s\u1eed d\u1ee5ng axit 10-15%. M\u00e1y tr\u1ed9n b\u00f9n ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho nhi\u1ec7m v\u1ee5 HPAL \u1edf \u0111\u00e2y, v\u1edbi ni\u00eam phong duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n d\u01b0\u1edbi \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 trong chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c k\u00e9o d\u00e0i. \u0110\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p khai th\u00e1c lithium b\u1ec1n v\u1eefng, c\u00e1c b\u1ed9 khu\u1ea5y \u0111\u1ed9ng n\u00e0y c\u1eaft gi\u1ea3m ch\u1ea5t th\u1ea3i b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o ph\u1ea3n \u1ee9ng ho\u00e0n ch\u1ec9nh, gi\u00fap c\u00e1c m\u1ecf \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n xanh.<\/p>\n

D\u1ef1a tr\u00ean c\u00e1c th\u00e1ch th\u1ee9c quy tr\u00ecnh, s\u1ef1 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u bi\u1ebfn s\u1ef1 th\u1ea5t b\u1ea1i ti\u1ec1m n\u0103ng th\u00e0nh \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i. N\u00f3’ s kh\u00f4ng ng\u1eabu nhi\u00ean; n\u00f3 b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t khi ch\u01a1i.<\/p>\n

Ch\u1ecdn v\u1eadt li\u1ec7u: Quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt, kh\u00f4ng ph\u1ea3i m\u1eb7c \u0111\u1ecbnh<\/strong><\/h3>\n

V\u1eadt li\u1ec7u cho m\u00e1y khu\u1ea5y d\u1ef1a v\u00e0o s\u1ee9c m\u1ea1nh axit, nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u01b0\u1ee3ng r\u1eafn. Axit sulfuric v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 98% \u0111\u00f2i h\u1ecfi c\u00e1c h\u1ee3p kim nh\u01b0 904L ho\u1eb7c titan cho tr\u1ee5c v\u00e0 c\u00e1nh qu\u1ea1t, ch\u1ed1ng l\u1ea1i l\u1ed7 \u1edf 200 \u00b0 C. C\u00e1c ch\u1ea5t r\u1eafn cao - l\u00ean \u0111\u1ebfn 40 ph\u1ea7n tr\u0103m trong niken HPAL - c\u1ea7n l\u1edbp ph\u1ee7 ch\u1ed1ng m\u00e0i m\u00f2n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd t\u1eeb 6 th\u00e1ng \u0111\u1ebfn 3 n\u0103m. Trong vi\u1ec7c lo\u1ea1i b\u1ecf coban, n\u01a1i pH gi\u1ea3m xu\u1ed1ng 1, th\u00e9p duplex nh\u01b0 2507 \u0111\u1ee9ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng clorua. C\u00e1c k\u1ef9 s\u01b0 ki\u1ec3m tra c\u00e1c m\u1eabu trong th\u1eed nghi\u1ec7m ph\u00f2ng th\u00ed nghi\u1ec7m, \u0111o gi\u1ea3m c\u00e2n h\u01a1n 1.000 gi\u1edd. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tr\u00e1nh nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n nh\u01b0 kh\u00f4ng g\u1ec9 \u0111\u01a1n gi\u1ea3n, ph\u00e1 v\u1ee1 nhanh ch\u00f3ng trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u1ef1c s\u1ef1. \u0110\u1ed1i v\u1edbi m\u00e1y khu\u1ea5y x\u1eed l\u00fd lithium, l\u1ef1a ch\u1ecdn h\u1ed7n h\u1ee3p ph\u00f9 h\u1ee3p - v\u00ed d\u1ee5, l\u01b0\u1ee1i titan v\u1edbi l\u00f3t cao su - gi\u1eef d\u1eebng th\u1ea5p v\u00e0 \u0111\u1ea7u ra th\u01b0\u1eddng xuy\u00ean. N\u00f3’ s v\u1ec1 vi\u1ec7c ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft l\u1eadp cho c\u00f4ng vi\u1ec7c, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3.<\/p>\n

K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh tr\u00ean l\u0129nh v\u1ef1c: T\u00e1c \u0111\u1ed9ng to\u00e0n c\u1ea7u c\u1ee7a NHD \u0111\u1ed1i v\u1edbi khai th\u00e1c m\u1ecf kh\u00f4ng s\u1eaft<\/strong><\/h2>\n

\u0110\u00f3 l\u00e0 m\u1ed9t \u0111i\u1ec1u \u0111\u1ec3 n\u00f3i v\u1ec1 c\u00f4ng ngh\u1ec7 trong m\u1ed9t brochure; \u0110\u00f3 l\u00e0 m\u1ed9t \u0111i\u1ec1u kh\u00e1c \u0111\u1ec3 th\u1ea5y n\u00f3 \u0111\u1ee9ng cao \u1edf gi\u1eefa m\u1ed9t trang khai th\u00e1c m\u1ecf xa x\u00f4i, ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 quy tr\u00ecnh kh\u1eafc nghi\u1ec7t. S\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a pin EV \u0111\u00e3 d\u1eabn \u0111\u1ebfn c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf n\u1ed5i l\u00ean \u1edf m\u1ed9t s\u1ed1 \u0111\u1ecba \u0111i\u1ec3m \u0111\u1ea7y th\u00e1ch th\u1ee9c nh\u1ea5t tr\u00ean Tr\u00e1i \u0111\u1ea5t, t\u1eeb r\u1eebng \u1ea9m \u01b0\u1edbt c\u1ee7a Indonesia \u0111\u1ebfn v\u00e0nh \u0111ai kh\u00f4 c\u1eb1n c\u1ee7a ch\u00e2u Phi. L\u1ed7i thi\u1ebft b\u1ecb \u1edf nh\u1eefng n\u01a1i n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn, v\u00ec ph\u1ee5 t\u00f9ng, \u0111\u1ed9i ng\u0169 d\u1ecbch v\u1ee5 v\u00e0 c\u1eeda s\u1ed5 t\u1eaft th\u01b0\u1eddng c\u00e1ch \u0111\u00f3 v\u00e0i tu\u1ea7n. Trong \u0111i\u1ec1u ki\u1ec7n n\u00e0y, c\u00e1c h\u1ec7 th\u1ed1ng k\u00edch \u0111\u1ed9ng ph\u1ea3i cung c\u1ea5p \u0111\u1ed9 tin c\u1eady c\u01a1 h\u1ecdc l\u00e2u d\u00e0i, kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a qu\u00e1 tr\u00ecnh - kh\u00f4ng ch\u1ec9 l\u00e0 hi\u1ec7u su\u1ea5t l\u00fd thuy\u1ebft tr\u00ean gi\u1ea5y. \u0110\u00e2y l\u00e0 n\u01a1i kinh nghi\u1ec7m \u0111\u01b0\u1ee3c ch\u1ee9ng minh tr\u00ean l\u0129nh v\u1ef1c tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh. NHD l\u00e0 \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady trong c\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf l\u1edbn sau:<\/p>\n