{"id":6788,"date":"2026-02-26T00:00:20","date_gmt":"2026-02-25T16:00:20","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=6788"},"modified":"2026-02-26T10:56:16","modified_gmt":"2026-02-26T02:56:16","slug":"why-automatic-leaf-filters-are-replacing-filter-presses-for-supernatant-polishing","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/why-automatic-leaf-filters-are-replacing-filter-presses-for-supernatant-polishing\/","title":{"rendered":"T\u1ea1i sao b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng \u0111ang thay th\u1ebf m\u00e1y \u00e9p l\u1ecdc \u0111\u1ec3 \u0111\u00e1nh b\u00f3ng si\u00eau sinh"},"content":{"rendered":"

\"S\u1ea3n<\/p>\n

Nh\u01b0 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng<\/b><\/strong>\u00a0S\u1ef1 gia t\u0103ng s\u1ea3n xu\u1ea5t xe \u0111i\u1ec7n, nhu c\u1ea7u v\u1ec1 kim lo\u1ea1i pin tinh khi\u1ebft cao nh\u01b0 niken v\u00e0 coban \u0111\u00e3 \u0111\u1ea1t m\u1ee9c ch\u01b0a t\u1eebng c\u00f3. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t n\u00e0y, c\u00e1c nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u hi\u1ec7n \u0111\u1ea1i \u0111ang di chuy\u1ec3n xa m\u00e1y \u00e9p l\u1ecdc khung t\u1ea5m l\u1ed7i th\u1eddi, th\u01b0\u1eddng cho ph\u00e9p c\u00e1c h\u1ea1t m\u1ecbn \u0111\u1ebfn “ ch\u1ea3y m\u00e1u qua” v\u00e0 th\u1ecfa hi\u1ec7p hi\u1ec7u qu\u1ea3 downstream. NHD’ b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng<\/b><\/u><\/strong><\/a>\u00a0\u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n v\u00e0ng cho l\u1ecdc th\u1ee7y kim lo\u1ea1i<\/b><\/strong>, cung c\u1ea5p \u0111\u1ed9 r\u00f5 r\u00e0ng sub-micron v\u00e0 ph\u1ee5c h\u1ed3i kim lo\u1ea1i v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

T\u1ea1i sao l\u1ecdc ch\u00ednh x\u00e1c si\u00eau cao quan tr\u1ecdng trong n\u0103ng su\u1ea5t khai th\u00e1c m\u1ecf<\/strong><\/h2>\n

Trong khai th\u00e1c m\u1ecf v\u00e0 tinh ch\u1ebf kim lo\u1ea1i, ch\u1ea5t l\u1ecfng trong su\u1ed1t th\u00fac \u0111\u1ea9y th\u00e0nh c\u00f4ng. L\u1ecdc k\u00e9m d\u1eabn \u0111\u1ebfn kim lo\u1ea1i b\u1ecb m\u1ea5t v\u00e0 h\u00f3a \u0111\u01a1n cao h\u01a1n. Khi ho\u1ea1t \u0111\u1ed9ng m\u1edf r\u1ed9ng theo nhu c\u1ea7u pin, m\u1ed7i gi\u1ecdt \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh. Ph\u1ea7n n\u00e0y kh\u00e1m ph\u00e1 s\u1ef1 tinh khi\u1ebft c\u00f3 ngh\u0129a l\u00e0 g\u00ec, c\u00e1c b\u1eaby ph\u1ed5 bi\u1ebfn v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 c\u0169 v\u00e0 chi ph\u00ed th\u1ef1c s\u1ef1 li\u00ean quan.<\/p>\n

\u0110\u1ecbnh ngh\u0129a \u0111\u1ed9 tinh khi\u1ebft<\/strong><\/h3>\n

\u0110\u1ed9 tinh khi\u1ebft trong th\u1ee7y kim lo\u1ea1i c\u00f3 ngh\u0129a l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng c\u00f3 ch\u1ea5t r\u1eafn c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c ph\u1ea3n \u1ee9ng ho\u1eb7c s\u1ea3n ph\u1ea9m. \u0110\u1ed1i v\u1edbi kim lo\u1ea1i pin, ngay c\u1ea3 0,1% t\u1ea1p ch\u1ea5t c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t 5-10%. Trong c\u00e1c quy tr\u00ecnh nh\u01b0 r\u1ec9 niken, ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i r\u00f5 r\u00e0ng \u0111\u1ea3m b\u1ea3o kim lo\u1ea1i h\u00f2a tan ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng t\u1eafc ngh\u1ebdn. Thi\u1ebft b\u1ecb l\u1ecdc ch\u00ednh x\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng, \u0111\u1ea1t m\u1ee9c d\u01b0\u1edbi micron, v\u01b0\u1ee3t xa nh\u1eefng g\u00ec c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n \u0111\u1ea1t \u0111\u01b0\u1ee3c. S\u1ef1 r\u00f5 r\u00e0ng n\u00e0y b\u1ea3o v\u1ec7 m\u00e1y b\u01a1m v\u00e0 b\u1ec3 kh\u00f4ng b\u1ecb m\u00f2n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang nhi\u1ec1u n\u0103m. H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 l\u00e0 ng\u01b0\u1eddi b\u1ea3o v\u1ec7 cu\u1ed1i c\u00f9ng trong m\u1ed9t chu\u1ed7i - n\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, hi\u1ec7u qu\u1ea3 h\u1ea1 l\u01b0u s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng. \u0110\u1ec3 l\u00e0m r\u00f5 axit phosphoric, \u0111\u1ed9 tinh khi\u1ebft ng\u1eebng m\u1edf r\u1ed9ng trong m\u00e1y bay h\u01a1i, gi\u1eef cho s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n

The “ Ch\u1ea3y m\u00e1u qua” V\u1ea5n \u0111\u1ec1<\/strong><\/h3>\n

M\u00e1y \u00e9p l\u1ecdc khung t\u1ea5m<\/b><\/strong>\u00a0t\u1eeb l\u00e2u \u0111\u00e3 l\u00e0 ti\u00eau chu\u1ea9n, nh\u01b0ng h\u1ecd \u0111\u1ea5u tranh v\u1edbi h\u1ea1t m\u1ecbn<\/b><\/strong>\u00a0d\u01b0\u1edbi 5 micron. Nh\u1eefng m\u1ea3nh nh\u1ecf n\u00e0y “ ch\u1ea3y m\u00e1u qua” v\u1ea3i, l\u00e0m m\u00f9 ch\u1ea5t l\u1ecfng v\u00e0 \u00f4 nhi\u1ec5m \u0111\u1ea7u ra. Trong n\u1ea5u ch\u1ea3y k\u1ebdm, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u00e1i x\u1eed l\u00fd c\u00e1c l\u00f4, l\u00e3ng ph\u00ed th\u1eddi gian v\u00e0 n\u0103ng l\u01b0\u1ee3ng. So s\u00e1nh th\u1ecb gi\u00e1c cho th\u1ea5y c\u00e1c ch\u1ea5t l\u1ecdc b\u00e1o ch\u00ed m\u01a1 h\u1ed3 b\u00ean c\u1ea1nh k\u1ebft qu\u1ea3 tinh th\u1ec3 r\u00f5 r\u00e0ng t\u1eeb c\u00e1c b\u1ed9 l\u1ecdc l\u00e1 d\u1ecdc. V\u1ea5n \u0111\u1ec1 tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n v\u1edbi b\u00f9n d\u00ednh trong luy\u1ec7n niken, n\u01a1i \u00e1p su\u1ea5t dao \u0111\u1ed9ng v\u00e0 h\u00ecnh th\u00e0nh kho\u1ea3ng tr\u1ed1ng. B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng tr\u00e1nh \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u00e1 c\u1ee9ng gi\u1eef ch\u1eb7t ch\u1ebd ph\u01b0\u01a1ng ti\u1ec7n, thu h\u00fat nhi\u1ec1u ch\u1ea5t r\u1eafn h\u01a1n m\u00e0 kh\u00f4ng r\u00f2 r\u1ec9.<\/p>\n

V\u1edbi nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n n\u00e0y trong t\u00e2m tr\u00ed, n\u00f3’ s r\u00f5 r\u00e0ng r\u1eb1ng l\u1ed7i l\u1ecdc t\u1ea5n c\u00f4ng d\u00f2ng \u0111\u00e1y kh\u00f3 kh\u0103n. Theo th\u1eddi gian, c\u00e1c t\u1ea1p ch\u1ea5t nh\u1ecf th\u00eam v\u00e0o chi ph\u00ed l\u1edbn v\u1ec1 h\u00f3a ch\u1ea5t v\u00e0 s\u1ea3n ph\u1ea9m b\u1ecb m\u1ea5t.<\/p>\n\n\n\n\n\n\n\n\n\n
T\u00ednh n\u0103ng<\/strong><\/td>\nB\u00e1o ch\u00ed l\u1ecdc khung t\u1ea5m<\/strong><\/td>\nB\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng<\/strong><\/td>\n<\/tr>\n
B\u1ea3o tr\u00ec h\u1ea1t<\/strong><\/td>\nCu\u1ed9c \u0111\u1ea5u tranh v\u1edbi c\u00e1c h\u1ea1t m\u1ecbn < 5 micron<\/strong><\/td>\nCh\u1ee5p c\u00e1c h\u1ea1t sub-micron
\n(xu\u1ed1ng \u0111\u1ebfn 0.5 \u00b5m<\/strong>)<\/td>\n<\/tr>\n
Ch\u1ea5t l\u01b0\u1ee3ng l\u1ecdc<\/strong><\/td>\nS\u01b0\u01a1ng m\u00f9 \/ m\u00e2y do “ Ch\u1ea3y m\u00e1u qua”<\/strong><\/td>\nTinh th\u1ec3 r\u00f5 r\u00e0ng<\/strong>\u00a0v\u00e0 trong su\u1ed1t supernatant<\/td>\n<\/tr>\n
S\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng<\/strong><\/td>\nV\u1ea3i linh ho\u1ea1t d\u1ec5 b\u1ecb thay \u0111\u1ed5i v\u00e0 kho\u1ea3ng tr\u1ed1ng<\/td>\nl\u00e1 c\u1ee9ng<\/strong>\u00a0gi\u1eef media ch\u1eb7t ch\u1ebd<\/td>\n<\/tr>\n
Hi\u1ec7u su\u1ea5t v\u1edbi b\u00f9n d\u00ednh<\/strong><\/td>\nngh\u00e8o; d\u1ec5 b\u1ecb bi\u1ebfn \u0111\u1ed9ng \u00e1p su\u1ea5t<\/td>\nTuy\u1ec7t v\u1eddi; duy tr\u00ec d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh v\u00e0 ni\u00eam phong<\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>\nY\u00eau c\u1ea7u t\u00e1i x\u1eed l\u00fd v\u00e0 l\u00e0m s\u1ea1ch b\u1eb1ng tay<\/td>\nT\u1ef1 l\u00e0m s\u1ea1ch<\/strong>Gi\u1ea3m ch\u1ea5t th\u1ea3i v\u00e0 lao \u0111\u1ed9ng<\/td>\n<\/tr>\n
Hi\u1ec7u \u1ee9ng d\u00f2ng d\u01b0\u1edbi<\/strong><\/td>\nChi ph\u00ed h\u00f3a ch\u1ea5t cao h\u01a1n v\u00e0 n\u0103ng su\u1ea5t kim lo\u1ea1i b\u1ecb m\u1ea5t<\/td>\nTi\u1ebft ki\u1ec7m 30%<\/strong>\u00a0trong thu\u1ed1c th\u1eed; \u0111\u1ea7u ra cao h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00e1c \u0111\u1ed9ng kinh t\u1ebf<\/strong><\/h3>\n

Ti\u1ebft ki\u1ec7m thu\u1ed1c ph\u1ea3n \u1ee9ng<\/b><\/strong>\u00a0Chuy\u1ec3n sang l\u1ecdc ch\u00ednh x\u00e1c l\u00e0’ t ch\u1ec9 l\u00e0 n\u00e2ng c\u1ea5p k\u1ef9 thu\u1eadt; it’ m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c t\u00e0i ch\u00ednh. T\u00e1ch ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 l\u00e0m t\u0103ng ti\u00eau th\u1ee5 h\u00f3a ch\u1ea5t l\u00ean \u0111\u1ebfn 25%. V\u1edbi b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng, nh\u00e0 m\u00e1y b\u00e1o c\u00e1o l\u00ean \u0111\u1ebfn Ti\u1ebft ki\u1ec7m 30% trong thu\u1ed1c th\u1eed<\/b><\/strong>\u00a0v\u00e0 t\u0103ng 8% trong vi\u1ec7c ph\u1ee5c h\u1ed3i kim lo\u1ea1i. \u0110\u1ed1i v\u1edbi m\u1ed9t nh\u00e0 m\u00e1y l\u1ecdc niken c\u1ee1 trung b\u00ecnh, \u0111i\u1ec1u n\u00e0y chuy\u1ec3n sang h\u00e0ng tri\u1ec7u doanh thu thu h\u1ed3i ph\u1ee5c, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn ROI \u0111\u1ea7y \u0111\u1ee7 trong v\u00f2ng d\u01b0\u1edbi hai n\u0103m.<\/p>\n

B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n

Chuy\u1ec3n t\u1eeb l\u00fd do l\u1ecdc t\u00ednh, let’ Nh\u00ecn v\u00e0o Mechanics. B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng mang l\u1ea1i thi\u1ebft k\u1ebf th\u00f4ng minh cho c\u00e1c ph\u00e2n chia r\u1eafn-l\u1ecfng. H\u1ecd x\u1eed l\u00fd c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n trong luy\u1ec7n kim lo\u1ea1i m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. S\u1ef1 ph\u00e2n h\u1ee7y n\u00e0y bao g\u1ed3m c\u00e1c giai \u0111o\u1ea1n ch\u00ednh, t\u1eeb t\u00e1ch cho \u0111\u1ebfn l\u00e0m s\u1ea1ch v\u00e0 x\u1ea3.<\/p>\n

\"B\u1ed9<\/p>\n

Giai \u0111o\u1ea1n t\u00e1ch r\u1eafn-l\u1ecfng<\/strong><\/h3>\n

Qu\u00e1 tr\u00ecnh b\u1eaft \u0111\u1ea7u v\u1edbi b\u00f9n v\u00e0o m\u1ed9t th\u00f9ng \u0111\u00f3ng k\u00edn. L\u00e1 - m\u00e0n h\u00ecnh ph\u1eb3ng, x\u1ebfp ch\u1ed3ng \u0111\u01b0\u1ee3c ph\u1ee7 trong ph\u01b0\u01a1ng ti\u1ec7n l\u1ecdc - b\u1eaby ch\u1ea5t r\u1eafn khi ch\u1ea5t l\u1ecfng \u0111i qua. \u00c1p su\u1ea5t \u0111\u1ea1t 0,6-1,0 MPa, \u0111\u1ea9y d\u00f2ng ch\u1ea3y m\u00e0 kh\u00f4ng nghi\u1ec1n b\u00e1nh. Trong l\u1ecdc th\u1ee7y kim lo\u1ea1i l\u1ecdc m\u1ecbn, \u0111i\u1ec1u n\u00e0y b\u1eaft c\u00e1c h\u1ea1t xu\u1ed1ng c\u00f2n 0,5 micron. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e1y \u00e9p l\u1ecdc khung t\u1ea5m, d\u1ef1a v\u00e0o v\u1ea3i linh ho\u1ea1t d\u1ec5 thay \u0111\u1ed5i, nh\u1eefng l\u00e1 c\u1ee9ng n\u00e0y gi\u1eef kho\u1ea3ng tr\u1ed1ng th\u1eadm ch\u00ed. K\u1ebft qu\u1ea3 l\u00e0, c\u00e1c \u0111\u1ea7u ra (ch\u1eb3ng h\u1ea1n nh\u01b0 k\u1ebdm v\u01b0\u1ee3t tr\u1ed9i) lu\u00f4n lu\u00f4n r\u00f5 r\u00e0ng v\u00e0 minh b\u1ea1ch.<\/p>\n

X\u00e2y d\u1ef1ng tr\u00ean s\u1ef1 t\u00e1ch bi\u1ec7t, h\u1ec7 th\u1ed1ng kh\u00f4ng’ T d\u1eebng \u1edf \u0111\u00f3. N\u00f3 c\u1ea7n t\u1ef1 l\u00e0m m\u1edbi m\u00e0 kh\u00f4ng d\u1eebng l\u1ea1i c\u00f4ng vi\u1ec7c. M\u1ed9t l\u01b0ng th\u00f4ng minh gi\u1eef cho m\u1ecdi th\u1ee9 ch\u1ea1y tr\u01a1n tru, nh\u01b0 chi ti\u1ebft ti\u1ebfp theo. T\u1ef1 \u0111\u1ed9ng h\u00f3a n\u00e0y \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc nh\u1ea3y v\u1ecdt l\u1edbn t\u1eeb vi\u1ec7c x\u1eed l\u00fd b\u00e1o ch\u00ed th\u1ee7 c\u00f4ng.<\/p>\n

S\u1ef1 t\u00e1i t\u1ea1o t\u1ef1 \u0111\u1ed9ng, li\u1ec1n m\u1ea1ch<\/strong><\/h3>\n

B\u1ed9 l\u1ecdc l\u00e1 d\u1ecdc c\u1ee7a NHD ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t th\u00f9ng \u00e1p l\u1ef1c ni\u00eam phong<\/b><\/strong>\u00a0b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u00e1 l\u1ecdc ho\u1eb7c \u1ed1ng l\u1ecdc polymer l\u00e0m y\u1ebfu t\u1ed1 l\u1ecdc. Trong qu\u00e1 tr\u00ecnh l\u1ecdc, ch\u1ea5t r\u1eafn treo trong b\u00f9n \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a v\u1ea3i, t\u1ea1o th\u00e0nh m\u1ed9t b\u00e1nh l\u1ecdc, trong khi ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c l\u00e0m r\u00f5 \u0111i qua v\u1ea3i v\u00e0 \u0111\u01b0\u1ee3c thu th\u1eadp b\u1edfi c\u00e1c \u1ed1ng l\u1ecdc b\u00ean trong. Ch\u1ea5t l\u1ecdc sau \u0111\u00f3 ch\u1ea3y v\u00e0o m\u1ed9t bu\u1ed3ng thu th\u1eadp v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u1ebfn m\u1ed9t b\u1ec3 \u0111\u1ea7u, t\u1eeb \u0111\u00f3 n\u00f3 ch\u1ea3y tr\u00e0n v\u00e0o m\u1ed9t b\u1ec3 l\u1ecfng s\u1ea1ch. Khi th\u1eddi gian l\u1ecdc ho\u1eb7c \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u01b0\u1edbc \u0111\u1ea1t \u0111\u01b0\u1ee3c, qu\u00e1 tr\u00ecnh l\u1ecdc d\u1eebng l\u1ea1i v\u00e0 th\u00f9ng \u0111\u01b0\u1ee3c gi\u1ea3m \u00e1p su\u1ea5t. L\u1ecfng l\u00e0m r\u00f5 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ec3 \u0111\u1ea7u sau \u0111\u00f3 ch\u1ea3y tr\u1edf l\u1ea1i theo h\u01b0\u1edbng ng\u01b0\u1ee3c qua v\u1ea3i l\u1ecdc, r\u1eeda ng\u01b0\u1ee3c b\u00e1nh l\u1ecdc m\u1edbi \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. D\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c n\u00e0y lo\u1ea1i b\u1ecf b\u00e1nh, khi\u1ebfn n\u00f3 t\u00e1ch ra, v\u1eabn b\u1ecb treo m\u1ed9t th\u1eddi gian ng\u1eafn, \u0111\u1ecbnh c\u01b0 \u1edf \u0111\u00e1y h\u00ecnh n\u00f3n c\u1ee7a t\u00e0u, v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c th\u1ea3i ra t\u1eeb \u0111\u1ea7u ra \u0111\u00e1y.<\/p>\n

N\u1ed3ng \u0111\u1ed9 b\u00f9n v\u00e0 th\u1ea3i<\/strong><\/h3>\n

C\u00e1c ch\u1ea5t r\u1eafn \u0111\u1ecbnh c\u01b0 \u1edf \u0111\u00e1y d\u01b0\u1edbi d\u1ea1ng b\u00f9n d\u00e0y \u0111\u1eb7c, th\u01b0\u1eddng n\u1ed3ng \u0111\u1ed9 30-50%. M\u1ed9t van m\u1edf ra \u0111\u1ec3 gi\u1ea3i ph\u00f3ng n\u00f3, \u0111\u00f4i khi v\u1edbi rung \u0111\u1ec3 n\u1edbi l\u1ecfng b\u00e1nh. Trong luy\u1ec7n kim niken, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra b\u00e1nh kh\u00f4 \u0111\u1ec3 x\u1eed l\u00fd ho\u1eb7c t\u00e1i s\u1eed d\u1ee5ng d\u1ec5 d\u00e0ng h\u01a1n. B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng qu\u1ea3n l\u00fd \u0111i\u1ec1u n\u00e0y m\u00e0 kh\u00f4ng m\u1edf \u0111\u01a1n v\u1ecb, kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e1y \u00e9p l\u00e0m cho c\u00f4ng nh\u00e2n b\u1ecb l\u1ed9n x\u1ed9n. Ph\u00e1t \u0111i\u1ec7n x\u1ea3y ra m\u1ed7i chu k\u1ef3, gi\u1eef cho kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p d\u01b0\u1edbi 5% t\u1ed5ng d\u00f2ng ch\u1ea3y. Hi\u1ec7u qu\u1ea3 n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng quy m\u00f4 l\u1edbn, n\u01a1i chi ph\u00ed x\u1eed l\u00fd b\u00f9n t\u0103ng l\u00ean. Thi\u1ebft b\u1ecb l\u1ecdc ch\u00ednh x\u00e1c nh\u01b0 th\u1ebf n\u00e0y c\u0169ng gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng, b\u1eb1ng c\u00e1ch ch\u1ee9a m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c ni\u00eam phong.<\/p>\n

\u1ee8ng d\u1ee5ng trong Phosphoric Acid Clarification & amp; L\u1ecdc kim lo\u1ea1i pin<\/strong><\/h2>\n

T\u1eeb c\u00e1c ho\u1ea1t \u0111\u1ed9ng, it’ R\u00f5 r\u00e0ng c\u00e1c b\u1ed9 l\u1ecdc n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3. Trong h\u00f3a ch\u1ea5t v\u00e0 khai th\u00e1c m\u1ecf, h\u1ecd gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1ed9c \u0111\u00e1o. \u1ede \u0111\u00e2y, ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh, nh\u01b0 l\u00e0m s\u1ea1ch b\u00f9n x\u00e1m v\u00e0 \u0111\u00e1nh b\u00f3ng th\u1ee9 c\u1ea5p. Nh\u1eefng v\u00ed d\u1ee5 n\u00e0y cho th\u1ea5y c\u00e1ch b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng thay th\u1ebf c\u00e1c c\u00f4ng c\u1ee5 c\u0169 h\u01a1n trong c\u00e1c nh\u00e0 m\u00e1y th\u1ef1c s\u1ef1.<\/p>\n

Lo\u1ea1i b\u1ecf “ B\u00f9n x\u00e1m”<\/strong><\/h3>\n

Trong s\u1ea3n xu\u1ea5t axit phosphoric<\/b><\/strong>B\u00f9n x\u00e1m - silicat tinh t\u1ebf v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 - ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n l\u1edbp pin. B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng lo\u1ea1i b\u1ecf ch\u00fang ra, \u0111\u1ea1t \u0111\u01b0\u1ee3c d\u01b0\u1edbi 50 ppm ch\u1ea5t r\u1eafn. \u0110\u1ed1i v\u1edbi Pin LFP<\/b><\/strong>\u0110\u1ed9 tinh khi\u1ebft n\u00e0y b\u1ea3o v\u1ec7 c\u00e1c t\u1ebf b\u00e0o kh\u1ecfi khuy\u1ebft t\u1eadt. Trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y k\u1ebdm ho\u1eb7c niken \u01b0\u1edbt, ch\u00fang l\u00e0m r\u00f5 dung d\u1ecbch r\u1ec9, t\u0103ng chi\u1ebft xu\u1ea5t 12%. So v\u1edbi m\u00e1y \u00e9p l\u1ecdc khung t\u1ea5m, \u0111\u1ec3 l\u1ea1i d\u01b0 l\u01b0\u1ee3ng g\u00e2y ra quy m\u00f4, b\u1ed9 l\u1ecdc l\u00e1 b\u1ea3o v\u1ec7 m\u00e1y bay h\u01a1i<\/b><\/strong>. B\u1ed9 l\u1ecdc l\u00e1 d\u1ecdc n\u1ed5i b\u1eadt \u1edf \u0111\u00e2y v\u1edbi thi\u1ebft k\u1ebf cao c\u1ee7a h\u1ecd, cho ph\u00e9p tr\u1ecdng l\u1ef1c h\u1ed7 tr\u1ee3 \u0111\u1ecbnh c\u01b0. \u1ee8ng d\u1ee5ng n\u00e0y ch\u1ee9ng minh gi\u00e1 tr\u1ecb c\u1ee7a h\u1ecd trong luy\u1ec7n tinh ch\u1ebf c\u00f3 c\u01b0\u1ee3c \u0111\u1ed9 cao.<\/p>\n

L\u1ecdc c\u1ea3nh s\u00e1t (Police Filtering)<\/strong><\/h3>\n

Sau khi \u00e9p l\u1ecdc khung t\u1ea5m, ch\u1ea5t l\u1ecdc th\u01b0\u1eddng c\u1ea7n \u0111\u00e1nh b\u00f3ng nhi\u1ec1u h\u01a1n.\u00a0<\/b><\/strong>B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng<\/b><\/u><\/strong><\/a>s ho\u1ea1t \u0111\u1ed9ng nh\u01b0 b\u1ea3o v\u1ec7, l\u1ecdc l\u1ea1i v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh x\u00e1c cao \u0111\u1ec3 b\u1eaft nh\u1eefng ph\u1ea7n c\u00f2n l\u1ea1i. Trong th\u1ee7y kim lo\u1ea1i, \u0111i\u1ec1u n\u00e0y cho ph\u00e9p s\u1ea3n xu\u1ea5t ti\u1ebfp theo c\u1ee7a niken tinh khi\u1ebft cao, ch\u1eb3ng h\u1ea1n nh\u01b0 niken \u0111i\u1ec7n ph\u00e2n v\u1edbi \u0111\u1ed9 tinh khi\u1ebft 99,99%, t\u1eeb dung d\u1ecbch mang thai tinh khi\u1ebft. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 l\u01b0\u1edbi polymer b\u1eaby c\u00e1c bit sub-micron b\u1ecb b\u1ecf l\u1ee1 tr\u01b0\u1edbc \u0111\u00f3. \u0110\u1ec3 l\u00e0m r\u00f5 axit phosphoric, n\u00f3 ng\u0103n ch\u1eb7n vi\u1ec7c chuy\u1ec3n sang l\u01b0u tr\u1eef, c\u1eaft gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n. C\u00e1c trang web b\u00e1o c\u00e1o n\u0103ng su\u1ea5t t\u1ed5ng th\u1ec3 cao h\u01a1n 20% v\u1edbi thi\u1ebft l\u1eadp n\u00e0y. L\u1ecdc th\u1ee7y kim lo\u1ea1i l\u1ecdc m\u1ecbn t\u1ecfa s\u00e1ng trong c\u00e1c vai tr\u00f2 n\u00e0y, cung c\u1ea5p c\u00e1c b\u1ed5 sung m\u00f4-\u0111un cho c\u00e1c d\u00f2ng hi\u1ec7n c\u00f3. C\u00e1ch ti\u1ebfp c\u1eadn l\u1edbp n\u00e0y t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda ch\u1eefa \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

\"B\u1ed9<\/strong><\/p>\n

T\u1ea1i sao NHD d\u1eabn \u0111\u1ea7u ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u1ecdc ch\u00ednh x\u00e1c<\/strong><\/h2>\n

B\u1ed9 l\u1ecdc l\u00e1 NHD \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi nh\u1ea5t, h\u1ed7 tr\u1ee3 \u00e1p su\u1ea5t l\u00ean \u0111\u1ebfn 1,0 MPa<\/b><\/strong>\u00a0cho b\u00f9n kim lo\u1ea1i pin nh\u1edbt. \u0110i\u1ec1u khi\u1ebfn NHD kh\u00e1c bi\u1ec7t l\u00e0 cam k\u1ebft c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ed1i v\u1edbi an to\u00e0n:<\/p>\n