Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
V\u1edbi kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n, kh\u00e1ng n\u1ea5m than ho\u1ea1t t\u00ednh \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong cu\u1ed9c s\u1ed1ng hi\u1ec7n nay. Tuy nhi\u00ean kh\u00f4ng ph\u1ea3i ai c\u0169ng gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m than ho\u1ea1t t\u00ednh l\u00e0 g\u00ec? Mua than ho\u1ea1t t\u00ednh \u1edf \u0111\u00e2u? C\u00e1ch l\u00e0m c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang. V\u1eady th\u00ec h\u00e3y theo d\u00f5i \u201cngay v\u00e0 lu\u00f4n\u201d nh\u1eefng th\u00f4ng tin chi ti\u1ebft trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a Vietlearn.org nh\u00e9!<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh l\u00e0 g\u00ec?<\/p>\n\n\n\n
Than ho\u1ea1t tinh l\u00e0 m\u1ed9t d\u1ea1ng c\u1ee7a cacbon, \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 c\u00f3 nh\u1eefng l\u1ed7 r\u1ed7ng b\u00e9, th\u1ec3 t\u00edch nh\u1ecf \u0111\u1ec3 t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t gi\u00fap qu\u00e1 tr\u00ecnh h\u1ea5p th\u1ee5, ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra nhanh ch\u00f3ng. V\u00ec m\u1ee9c \u0111\u1ed9 mao qu\u1ea3n cao, 1 gram than ho\u1ea1t t\u00ednh c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t v\u01b0\u1ee3t qu\u00e1 800-1000m2, x\u00e1c \u0111\u1ecbnh b\u1edfi ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p ph\u1ee5 kh\u00ed.<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m than ho\u1ea1t t\u00ednh l\u00e0 g\u00ec c\u00f2n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t d\u1ea1ng cacbon, \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u1edbi l\u1edbp oxy nhi\u1ec7t \u0111\u1ed9 cao trong m\u00f4i tr\u01b0\u1eddng y\u1ebfm kh\u00ed tr\u01b0\u1edbc khi ho\u1ea1t h\u00f3a theo c\u00f4ng ngh\u1ec7 ri\u00eang bi\u1ec7t \u0111\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i than nh\u01b0 mong mu\u1ed1n v\u1edbi m\u1ed9t c\u1ea5u tr\u00fac x\u1ed1p h\u01a1n.<\/p>\n\n\n\n
Nh\u1edd c\u00f3 c\u1ea5u tr\u00fac n\u00e0y m\u00e0 than ho\u1ea1t t\u00ednh c\u00f3 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac l\u1edbn h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi lo\u1ea1i than th\u00f4ng th\u01b0\u1eddng, kh\u1ea3 n\u0103ng b\u00e1m h\u00fat, h\u1ea5p th\u1ee5 gi\u1ed1ng nh\u01b0 nam ch\u00e2m. Theo nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t, b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p th\u1ee5 isotherms c\u1ee7a kh\u00ed carbon dioxide, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng, c\u1ee9 2 mg than ho\u1ea1t t\u00ednh s\u1ebd c\u00f3 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t b\u00ean trong ph\u00e2n t\u1eed t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi di\u1ec7n t\u00edch c\u1ee7a s\u00e2n v\u1eadn \u0111\u1ed9ng b\u00f3ng \u0111\u00e1 ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n
T\u1ea1i Vi\u1ec7t Nam, than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c l\u00e0m ch\u1ee7 y\u1ebfu t\u1eeb g\u00e1o d\u1eeba, tre trong \u0111\u00f3 lo\u1ea1i than ho\u1ea1t t\u00ednh b\u1eb1ng g\u00e1o d\u1eeba \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 h\u01a1n c\u1ea3. C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a than ho\u1ea1t t\u00ednh l\u00e0 h\u1ea5p th\u1ee5 c\u00e1c m\u00f9i l\u1ea1, l\u1ecdc kh\u00ed,\u2026<\/p>\n\n\n\n
Gi\u00e1 than ho\u1ea1t t\u00ednh tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb, ch\u1ec9 120.000 \u0111\u1ed3ng\/c\u00e2n. M\u1ee9c gi\u00e1 b\u00e1n than ho\u1ea1t t\u00ednh n\u00e0y c\u0169ng kh\u00f4ng c\u1ed1 \u0111\u1ecbnh, ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 ngu\u1ed3n nguy\u00ean li\u1ec7u, \u0111\u1ecba \u0111i\u1ec3m cung c\u1ea5p,\u2026.Hi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u \u0111\u1ecba ch\u1ec9 b\u00e1n n\u00ean vi\u1ec7c t\u00ecm mua than ho\u1ea1t t\u00ednh v\u00f4 c\u00f9ng d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n
C\u00e1c th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a than ho\u1ea1t ho\u1ea1t t\u00ednh<\/p>\n\n\n\n
K\u00edch th\u01b0\u1edbc, th\u1ec3 t\u00edch l\u1ed7 x\u1ed1p v\u00e0 di\u1ec7n t\u00edch tr\u00ean b\u1ec1 m\u1eb7t ri\u00eang<\/p>\n\n\n\n
Theo ti\u00eau chu\u1ea9n c\u1ee7a IUPAC, k\u00edch th\u01b0\u1edbc l\u1ed7 x\u1ed1p \u0111\u01b0\u1ee3c chia ra l\u00e0m 3 lo\u1ea1i ch\u00ednh \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n
Micro pore c\u00f3 k\u00edch th\u01b0\u1edbc b\u00e9 h\u01a1n 2nm<\/p>\n\n\n\n
Meso pore c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb 2-50nm<\/p>\n\n\n\n
Macro pore c\u00f3 k\u00edch th\u01b0\u1edbc 50nm tr\u1edf l\u00ean<\/p>\n\n\n\n
Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang cho bi\u1ebft kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 c\u1ee7a than ho\u1ea1t t\u00ednh, ch\u00fang \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb m2\/g.<\/p>\n\n\n\n
Ch\u1ec9 s\u1ed1 iot<\/p>\n\n\n\n
Ch\u1ec9 s\u1ed1 iot \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng iot c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a than \u0111\u00f3 l\u00e0 mg\/g, dao \u0111\u1ed9ng trong kho\u1ea3ng 500-1200mg\/g<\/p>\n\n\n\n
\u0110\u1ed9 c\u1ee9ng<\/p>\n\n\n\n
L\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu, s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a than ho\u1ea1t t\u00ednh tr\u01b0\u1edbc c\u00e1c t\u00e1c \u0111\u1ed9ng v\u1eadt l\u00fd nh\u01b0 d\u00f2ng ch\u1ea3y l\u1ecfng, kh\u00ed hay \u00e1p su\u1ea5t. \u0110\u1ed9 c\u1ee9ng ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o trong qu\u00e1 tr\u00ecnh ho\u1ea1t h\u00f3a.<\/p>\n\n\n\n
Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t<\/p>\n\n\n\n
K\u00edch th\u01b0\u1edbc c\u00e0ng l\u1edbn th\u00ec qu\u00e1 tr\u00ecnh h\u1ea5p th\u1ee5 di\u1ec5n ra c\u00e0ng ch\u1eadm, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u00e0ng d\u1ec5 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i than ho\u1ea1t t\u00ednh ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay<\/p>\n\n\n\n
Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i than ho\u1ea1t t\u00ednh, nh\u01b0ng ph\u1ed5 bi\u1ebfn v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay \u0111\u00f3 ch\u00ednh l\u00e0:<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh d\u1ea1ng h\u1ea1t: L\u00e0 lo\u1ea1i c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, \u0111\u01b0\u1ee3c d\u00f9ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc v\u00ec kh\u1ea3 n\u0103ng c\u1ed1 \u0111\u1ecbnh cao, \u00edt b\u1ecb r\u1eeda tr\u00f4i.<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh d\u1ea1ng b\u1ed9t: Ch\u00fang \u1edf d\u1ea1ng b\u1ed9t m\u1ecbn, d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd h\u00f3a ch\u1ea5t t\u1ed5ng h\u1ee3p v\u00e0 nh\u1eefng s\u1ef1 c\u1ed1 trong qu\u00e1 tr\u00ecnh r\u00f2 r\u1ec9 h\u00f3a ch\u1ea5t.<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh d\u1ea1ng vi\u00ean: C\u00f3 d\u1ea1ng h\u00ecnh kh\u1ed1i ho\u1eb7c h\u00ecnh tr\u1ee5, d\u00f9ng trong c\u00e1c b\u1ec3 l\u1ecdc n\u01b0\u1edbc sinh ho\u1ea1t.<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh d\u1ea1ng t\u1ea5m: \u0110\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c khung h\u00ecnh, c\u00e1c mi\u1ebfng m\u00fat \u0111\u01b0\u1ee3c t\u1ea9m b\u1ed9t than, s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong l\u0129nh v\u1ef1c kh\u1eed m\u00f9i.<\/p>\n\n\n\n
Cu\u1ed1i c\u00f9ng l\u00e0 than ho\u1ea1t t\u00ednh d\u1ea1ng \u1ed1ng.<\/p>\n\n\n\n
Ph\u00e2n lo\u1ea1i than ho\u1ea1t t\u00ednh<\/p>\n\n\n\n
D\u1ef1a theo nhi\u1ec1u ti\u00eau ch\u00ed kh\u00e1c nhau m\u00e0 than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c chia ra th\u00e0nh c\u00e1c lo\u1ea1i sau \u0111\u00e2y:<\/p>\n\n\n\n
Theo c\u00f4ng d\u1ee5ng g\u1ed3m c\u00f3:<\/p>\n\n\n\n
Lo\u1ea1i l\u1ecdc kh\u00ed ( Kh\u1eed m\u00f9i)<\/p>\n\n\n\n
Lo\u1ea1i l\u1ecdc n\u01b0\u1edbc gia \u0111\u00ecnh, n\u01b0\u1edbc t\u00ednh khi\u1ebft<\/p>\n\n\n\n
Lo\u1ea1i x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p<\/p>\n\n\n\n
Theo xu\u1ea5t x\u1ee9 \u0111\u01b0\u1ee3c chia th\u00e0nh:<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh g\u00e1o d\u1eeba Vi\u1ec7t Nam<\/p>\n\n\n\n
Than Anthracite ho\u1ea1t t\u00ednh \u2013 Than Antraxit \u2013 Vi\u1ec7t Nam<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh Norit \u2013 \u0110\u00e0i Loan<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh Jacobi \u2013 Th\u1ee5y \u0110i\u1ec3n<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh Cagol \u2013 M\u1ef9<\/p>\n\n\n\n
Theo h\u00ecnh d\u1ea1ng g\u1ed3m c\u00f3<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh d\u1ea1ng h\u1ea1t<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh d\u1ea1ng b\u1ed9t<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh c\u00f3 d\u1ea1ng vi\u00ean n\u00e9n ( h\u00ecnh tr\u1ee5 )<\/p>\n\n\n\n
H\u01b0\u1edbng d\u1eabn c\u00e1ch l\u00e0m than ho\u1ea1t t\u00ednh<\/p>\n\n\n\n
G\u00e1o d\u1eeba l\u00e0 nguy\u00ean li\u1ec7u ch\u00ednh, g\u00e1o d\u1eeba \u0111\u01b0\u1ee3c \u0111\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 800-900 \u0111\u1ed9 C d\u01b0\u1edbi t\u00e1c nh\u00e2n ho\u1ea1t h\u00f3a l\u00e0 h\u01a1i n\u01b0\u1edbc b\u00ean trong l\u00f2 quay c\u00f3 c\u00e1nh \u0111\u1ea3o. C\u00e1nh \u0111\u1ea3o n\u00e0y s\u1ebd m\u00fac than v\u00e0 \u0111\u1ed5i than tr\u1ef1c ti\u1ebfp xu\u1ed1ng li\u00ean t\u1ee5c. Kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac v\u1edbi h\u01a1i n\u01b0\u1edbc c\u0169ng k\u00e9o d\u00e0i theo \u0111\u01b0\u1eddng \u0111i c\u1ee7a than \u1edf trong l\u00f2.<\/p>\n\n\n\n
C\u00e1ch l\u00e0m than ho\u1ea1t t\u00ednh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p than m\u00e1ng<\/p>\n\n\n\n
S\u1ea3n xu\u1ea5t than Activated Carbon b\u1eb1ng than m\u00e1ng s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u ch\u00ednh l\u00e0 kh\u00ed thi\u00ean nhi\u00ean ho\u1eb7c kh\u00ed thi\u00ean nhi\u00ean c\u00f3 th\u00eam d\u1ea7u v\u00e0 \u0111\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 1100\u00b0C<\/p>\n\n\n\n
Nh\u00e0 k\u00ednh \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb h\u1ee3p kim v\u1edbi chi\u1ec1u d\u00e0i t\u1eeb 30-38m, r\u1ed9ng 2.5 \u0111\u1ebfn 3.6 m\u00e9t v\u00e0 cao 2.5 m\u00e9t.<\/p>\n\n\n\n
Trong t\u1eebng nh\u00e0 k\u00ednh s\u1ebd c\u00f3 kho\u1ea3ng 2000-4000 ng\u1ecdn l\u1eeda t\u1eeb c\u00e1c m\u1eafng chuy\u1ec3n \u0111\u1ed9ng, \u0111\u1ea7u phun c\u00f3 th\u1ec3 cung c\u1ea5p 0.5-0.8m3\/h b\u1edfi 3-5 \u1ed1ng d\u1eabn.<\/p>\n\n\n\n
Than l\u1eafng s\u1ebd \u0111\u01b0\u1ee3c t\u00e1ch ra b\u1eb1ng n\u1ea1o v\u00e0 h\u00fat l\u1ea1i tr\u01b0\u1edbc khi \u0111\u01b0a \u0111i \u0111\u1ec3 l\u00e0m s\u1ea1ch, nghi\u1ec1n,\u2026nh\u1edd c\u00e1c tr\u1ee5c v\u00edt.<\/p>\n\n\n\n
Hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1ec9 \u0111\u1ea1t t\u1ed1i \u0111a l\u00e0 5%, \u0111\u01b0\u1eddng k\u00ednh h\u1ea1t than c\u0169ng ch\u1ec9 dao \u0111\u1ed9ng t\u1eeb 9-3-nm. N\u00ean hi\u1ec7n n\u00e0y \u00edt ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh n\u00e0y.<\/p>\n\n\n\n
S\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ph\u00e2n<\/p>\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p than m\u00e1ng, nguy\u00ean li\u1ec7u s\u1eed d\u1ee5ng l\u00e0 kh\u00ed thi\u00ean nhi\u00ean \u1edf nhi\u1ec7t \u0111\u1ed9 1300 \u0111\u1ed9 C \u0111\u1ed1t trong l\u00f2 h\u00ecnh tr\u1ee5 v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 4m, cao 10m x\u00e2y b\u1eb1ng g\u1ea1ch ch\u1ecbu l\u1eeda. Kh\u00ed thi\u00ean nhi\u00ean s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u00f2 1, ra nhi\u1ec7t th\u00e0nh cacbon, hydro. Khi t\u00e1ch cacbon, hydro ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m nhi\u00ean li\u1ec7u \u0111\u1ed1t trong l\u00f2 2.<\/p>\n\n\n\n
Hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea1t 40-50%, h\u1ea1t than t\u1ea1o ra c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 120-500nm, lo\u1ea1i than t\u1ea1o th\u00e0nh \u0111\u00f3 l\u00e0 MT v\u00e0 FT.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t b\u1eb1ng l\u00f2 than<\/p>\n\n\n\n
S\u1ea3n xu\u1ea5t than l\u00f2 kh\u00ed<\/p>\n\n\n\n
Kh\u00ed t\u1ef1 nhi\u00ean s\u1ebd \u0111\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 1200 \u0111\u1ed9 C trong thi\u1ebft b\u1ecb c\u00f3 h\u00ecnh ch\u1eef nh\u1eadt ho\u1eb7c h\u00ecnh tr\u1ee5, n\u1eb1m ngang g\u1ed3m \u0111\u1ea7u \u0111\u1ed1t, l\u00f2, thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh v\u00e0 h\u1ec7 th\u1ed1ng thu h\u1ed3i than.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u1ef7 l\u1ec7 kh\u00ed t\u1ef1 nhi\u00ean v\u1edbi kh\u00f4ng kh\u00ed trong ph\u1ea1m vi t\u1eeb 4-6, y\u00eau c\u1ea7u c\u1ee7a c\u00e1c lo\u1ea1i than c\u0169ng kh\u00e1c nhau. N\u1ebfu nh\u01b0 nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m th\u00ec l\u01b0\u1ee3ng kh\u00ed c\u0169ng gi\u1ea3m v\u00e0 hi\u1ec7u su\u1ea5t t\u0103ng, k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c t\u1ea1o ra g\u1ed3m c\u00f3 FF, HMF, SRF, hi\u1ec7u su\u1ea5t \u0111\u1ea1t 30-40%, \u0111\u01b0\u1eddng k\u00ednh h\u1ea1t 50-87nm.<\/p>\n\n\n\n
S\u1ea3n xu\u1ea5t than l\u00f2 l\u1ecfng<\/p>\n\n\n\n
Nguy\u00ean li\u1ec7u ch\u00ednh \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng hydrocacbon l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 1200-1600 \u0111\u1ed9 C trong m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 c\u1ea5u t\u1ea1o gi\u1ed1ng nh\u01b0 l\u00f2 kh\u00ed.<\/p>\n\n\n\n
L\u00f2 \u0111\u1ed1t \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb kim lo\u1ea1i, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 va \u0111\u1eadp c\u1ef1c t\u1ed1t.<\/p>\n\n\n\n
Hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c 45-80%, \u0111\u01b0\u1eddng k\u00ednh h\u1ea1t dao \u0111\u1ed9ng kho\u1ea3ng t\u1eeb 14-90nm. C\u00e1c lo\u1ea1i h\u1ea1t than ho\u1ea1t GDF, FEF, HAF,\u2026<\/p>\n\n\n\n
C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a than ho\u1ea1t t\u00ednh hi\u1ec7n nay<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, ph\u1ea3i k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n\n\n\n
Trong c\u00f4ng nghi\u1ec7p<\/p>\n\n\n\n
C\u00f3 \u0111\u1ebfn 90-95% s\u1ed1 l\u01b0\u1ee3ng than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m ch\u1ea5t \u0111\u1ed9n trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t cao su, trong \u0111\u00f3 c\u00f3 \u0111\u1ebfn 80% \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u0103m l\u1ed1p, 10-15% d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u c\u01a1 h\u1ecdc v\u00e0 5% d\u00f9ng cho c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n\n\n\n
Trong y t\u1ebf<\/p>\n\n\n\n
\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c ch\u1ea5t \u0111\u1ed9ng, u\u1ed1ng thu\u1ed1c qu\u00e1 li\u1ec1u. V\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p ng\u1ed9 \u0111\u1ed9c axit ki\u1ec1m m\u1ea1nh, liti, methanol, s\u1eaft,\u2026th\u00ec n\u00f3 tr\u1edf n\u00ean v\u00f4 d\u1ee5ng.<\/p>\n\n\n\n
\u1ede d\u1ea1ng vi\u00ean, ch\u00fang \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c b\u1ec7nh nh\u00e2n g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111\u01b0\u1eddng ti\u00eau h\u00f3a nh\u01b0 ti\u00eau ch\u1ea3y, \u0111\u1ea7y h\u01a1i,\u2026<\/p>\n\n\n\n
Activated Carbon c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m t\u00ecnh tr\u1ea1ng ng\u1ee9a li\u00ean quan t\u1edbi c\u00e1c li\u1ec7u ph\u00e1p ch\u1ea1y th\u1eadn.<\/p>\n\n\n\n
Trong n\u00f4ng nghi\u1ec7p<\/p>\n\n\n\n
H\u1ed7 tr\u1ee3 cho qu\u00e1 tr\u00ecnh c\u1ea3i t\u1ea1o \u0111\u1ea5t tr\u1ed3ng<\/p>\n\n\n\n
X\u1eed l\u00fd kh\u00ed th\u1ea3i, ngu\u1ed3n n\u01b0\u1edbc, ch\u1ea5t th\u1ea3i trong ao h\u1ed3 b\u1eb1ng than ho\u1ea1t t\u00ednh<\/p>\n\n\n\n
Trong l\u0129nh v\u1ef1c h\u00f3a h\u1ecdc ph\u00e2n t\u00edch<\/p>\n\n\n\n
H\u1ed7n h\u1ee3p activated carbon v\u00e0 diatomit t\u1ef7 l\u1ec7 50:50 \u0111\u01b0\u1ee3c d\u00f9ng gi\u1ed1ng nh\u01b0 pha t\u0129nh trong s\u1eafc kh\u00ed \u00e1p su\u1ea5t th\u1ea5p cho carbohydrate c\u1ee7a dung d\u1ecbch r\u01b0\u1ee3u t\u1eeb 5-50%.<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng kh\u00e1c<\/p>\n\n\n\n
Than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c l\u00e0m \u0111\u1eb9p<\/p>\n\n\n\n
L\u1ecdc n\u01b0\u1edbc<\/p>\n\n\n\n
Kh\u1eed m\u00f9i l\u1ecdc kh\u00f4ng kh\u00ed<\/p>\n\n\n\n
L\u00e0m s\u1ea1ch d\u1ea7u tr\u00e0n, n\u01b0\u1edbc u\u1ed1ng<\/p>\n\n\n\n
\u0110o n\u1ed3ng \u0111\u1ed9 Radon trong kh\u00f4ng kh\u00ed<\/p>\n\n\n\n
L\u00e0m \u0111\u1eb9p, ch\u0103m s\u00f3c da<\/p>\n\n\n\n
V\u1edbi c\u00e1c n\u1ed9i dung th\u00f4ng tin tr\u00ean \u0111\u00e2y \u201cThan ho\u1ea1t t\u00ednh l\u00e0 g\u00ec, c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a than ho\u1ea1t t\u00ednh\u201d hy v\u1ecdng s\u1ebd gi\u00fap \u00edch b\u1ea1n. \u0110\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch kh\u00e1c, qu\u00fd kh\u00e1ch h\u00e0ng h\u00e3y truy c\u1eadp ngay website Vietlearn.org, ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap \u00edch b\u1ea1n r\u1ea5t nhi\u1ec1u \u0111\u00f3!<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn V\u1edbi kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n, kh\u00e1ng n\u1ea5m than ho\u1ea1t t\u00ednh \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong cu\u1ed9c s\u1ed1ng hi\u1ec7n nay. Tuy nhi\u00ean kh\u00f4ng ph\u1ea3i ai c\u0169ng gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m than ho\u1ea1t t\u00ednh l\u00e0 g\u00ec? Mua than ho\u1ea1t t\u00ednh \u1edf \u0111\u00e2u? C\u00e1ch l\u00e0m c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8],"tags":[],"class_list":["post-3448","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3448"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3448\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}