{"id":4582,"date":"2025-05-05T10:00:49","date_gmt":"2025-05-05T10:00:49","guid":{"rendered":"https:\/\/phongnguyen.vn\/?p=4582"},"modified":"2025-04-13T19:25:20","modified_gmt":"2025-04-13T19:25:20","slug":"than-den-la-gi","status":"publish","type":"post","link":"https:\/\/phongnguyen.vn\/vi\/than-den-la-gi\/","title":{"rendered":"Than \u0110en L\u00e0 G\u00ec? C\u00e1ch Ph\u00e2n Bi\u1ec7t Than \u0110en V\u00e0 Than Ho\u1ea1t T\u00ednh"},"content":{"rendered":"

Trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb c\u00f4ng nghi\u1ec7p \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y, than \u0111en<\/strong> <\/a>v\u00e0 than ho\u1ea1t t\u00ednh \u0111\u1ec1u \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i t\u1eeb l\u1ecdc n\u01b0\u1edbc, x\u1eed l\u00fd kh\u00ed th\u1ea3i \u0111\u1ebfn ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe v\u00e0 l\u00e0m \u0111\u1eb9p. Tuy nhi\u00ean, r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u00e0 c\u1ea3 doanh nghi\u1ec7p v\u1eabn th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa hai lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y do ch\u00fang c\u00f3 v\u1ebb ngo\u00e0i t\u01b0\u01a1ng \u0111\u1ed1i gi\u1ed1ng nhau. V\u1eady than \u0111en v\u00e0 than ho\u1ea1t t\u00ednh kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n

Than \u0111en l\u00e0 g\u00ec?<\/strong><\/h2>\n

Than \u0111en<\/strong>, hay c\u00f2n g\u1ecdi l\u00e0 than antraxit, l\u00e0 m\u1ed9t d\u1ea1ng kho\u00e1ng ch\u1ea5t carbon c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao nh\u1ea5t trong t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i than \u0111\u00e1.<\/em><\/p><\/blockquote>\n

Than \u0111en \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c l\u1edbp th\u1ef1c v\u1eadt c\u1ed5 \u0111\u1ea1i b\u1ecb ch\u00f4n v\u00f9i s\u00e2u d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t v\u00e0 ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c l\u1edbn trong h\u00e0ng tri\u1ec7u n\u0103m. Qu\u00e1 tr\u00ecnh n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 than h\u00f3a, d\u1ea7n d\u1ea7n lo\u1ea1i b\u1ecf h\u01a1i \u1ea9m v\u00e0 c\u00e1c ch\u1ea5t d\u1ec5 bay h\u01a1i kh\u00e1c, l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 carbon trong v\u1eadt li\u1ec7u ban \u0111\u1ea7u.<\/p>\n

\"than<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a than \u0111en l\u00e0 m\u00e0u \u0111en b\u00f3ng \u0111\u1eb7c tr\u01b0ng, b\u1ec1 m\u1eb7t c\u1ee9ng v\u00e0 gi\u00f2n. So v\u1edbi c\u00e1c lo\u1ea1i than \u0111\u00e1 kh\u00e1c nh\u01b0 than b\u00f9n hay than bitum, than \u0111en c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon r\u1ea5t cao (th\u01b0\u1eddng tr\u00ean 86%), do \u0111\u00f3 khi \u0111\u1ed1t ch\u00e1y s\u1ebd t\u1ecfa ra l\u01b0\u1ee3ng nhi\u1ec7t r\u1ea5t l\u1edbn.<\/p>\n

Than \u0111en \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ch\u1ee7 y\u1ebfu trong l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng. V\u1edbi kh\u1ea3 n\u0103ng sinh nhi\u1ec7t cao v\u00e0 ch\u00e1y \u1ed5n \u0111\u1ecbnh, than \u0111en \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u \u0111\u1ed1t l\u00f2 h\u01a1i trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ed1t than. Ngo\u00e0i ra, than \u0111en c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u00f2 s\u01b0\u1edfi c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c.<\/p>\n

Than ho\u1ea1t t\u00ednh l\u00e0 g\u00ec?<\/strong><\/h2>\n

Than ho\u1ea1t t\u00ednh<\/strong> (c\u00f2n g\u1ecdi l\u00e0 than ho\u1ea1t ho\u00e1 hay activated carbon<\/a>) l\u00e0 m\u1ed9t d\u1ea1ng carbon \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 c\u00f3 c\u1ea5u tr\u00fac x\u1ed1p, l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t, gi\u00fap n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc, kh\u00ed, v\u00e0 t\u1ea1p ch\u1ea5t r\u1ea5t m\u1ea1nh.<\/em><\/p><\/blockquote>\n

\"than<\/p>\n

Kh\u00e1c v\u1edbi than th\u01b0\u1eddng ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n nhi\u00ean li\u1ec7u, than ho\u1ea1t t\u00ednh l\u00e0 m\u1ed9t lo\u1ea1i than \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t th\u00f4ng qua qu\u00e1 tr\u00ecnh \u201ck\u00edch ho\u1ea1t\u201d (ho\u1eb7c ho\u1ea1t h\u00f3a) b\u1eb1ng nhi\u1ec7t ho\u1eb7c h\u00f3a ch\u1ea5t. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra h\u00e0ng tri\u1ec7u vi l\u1ed7 nh\u1ecf li ti b\u00ean trong c\u1ea5u tr\u00fac than, l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/p>\n

Ch\u00ednh nh\u1edd \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y m\u00e0 than ho\u1ea1t t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u1ef1c m\u1ea1nh gi\u00fap thu gi\u1eef v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t, h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i, m\u00f9i kh\u00f3 ch\u1ecbu ho\u1eb7c kim lo\u1ea1i n\u1eb7ng c\u00f3 trong n\u01b0\u1edbc, kh\u00f4ng kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa than \u0111en v\u00e0 than ho\u1ea1t t\u00ednh<\/strong><\/h2>\n

Than l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn v\u00e0 l\u00e2u \u0111\u1eddi nh\u1ea5t \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng ph\u00e2n bi\u1ec7t r\u00f5 \u0111\u01b0\u1ee3c than \u0111en v\u00e0 than ho\u1ea1t t\u00ednh. V\u1eady hai lo\u1ea1i than n\u00e0y c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n n\u00e0o?<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Ti\u00eau ch\u00ed<\/th>\nThan \u0111en (than th\u01b0\u1eddng)<\/th>\nThan ho\u1ea1t t\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
Ngu\u1ed3n g\u1ed1c<\/strong><\/td>\nT\u1eeb g\u1ed7, than \u0111\u00e1, ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 qua qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00e2n kh\u00f4ng ho\u00e0n to\u00e0n<\/td>\nT\u1eeb than \u0111en, g\u00e1o d\u1eeba, tre,… \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td>\n<\/tr>\n
C\u1ea5u tr\u00fac<\/strong><\/td>\nC\u1ea5u tr\u00fac tinh th\u1ec3, c\u1ee9ng, gi\u00f2n, \u00edt x\u1ed1p<\/td>\nC\u1ea5u tr\u00fac x\u1ed1p v\u1edbi v\u00f4 s\u1ed1 l\u1ed7 nh\u1ecf li ti, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ef1c l\u1edbn<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5<\/strong><\/td>\nTh\u1ea5p<\/td>\nR\u1ea5t cao, c\u00f3 th\u1ec3 h\u1ea5p ph\u1ee5 kh\u00ed, m\u00f9i, kim lo\u1ea1i n\u1eb7ng, t\u1ea1p ch\u1ea5t<\/td>\n<\/tr>\n
M\u00e0u s\u1eafc<\/strong><\/td>\n\u0110en b\u00f3ng \u0111\u1eb7c tr\u01b0ng<\/td>\nTh\u01b0\u1eddng c\u00f3 m\u00e0u \u0111en x\u00e1m ho\u1eb7c \u0111en, d\u1ea1ng b\u1ed9t ho\u1eb7c h\u1ea1t<\/td>\n<\/tr>\n
Gi\u00e1 tr\u1ecb nhi\u1ec7t tr\u1ecb<\/strong><\/td>\nR\u1ea5t cao (khi \u0111\u1ed1t ch\u00e1y)<\/td>\nKh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu l\u00e0m nhi\u00ean li\u1ec7u \u0111\u1ed1t, gi\u00e1 tr\u1ecb nhi\u1ec7t tr\u1ecb kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng ch\u00ednh<\/strong><\/td>\nNhi\u00ean li\u1ec7u \u0111\u1ed1t, l\u1ecdc n\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n, s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p<\/td>\nL\u1ecdc n\u01b0\u1edbc, l\u1ecdc kh\u00f4ng kh\u00ed, y t\u1ebf, m\u1ef9 ph\u1ea9m, th\u1ef1c ph\u1ea9m, kh\u1eed m\u00f9i<\/td>\n<\/tr>\n
Gi\u00e1 th\u00e0nh<\/strong><\/td>\nTh\u1ea5p h\u01a1n<\/td>\nCao h\u01a1n do quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u1ee9c t\u1ea1p<\/td>\n<\/tr>\n
Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/strong><\/td>\n\u0110\u1ed1t y\u1ebfm kh\u00ed \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 400\u2013700\u00b0C<\/td>\n\u0110\u1ed1t y\u1ebfm kh\u00ed v\u00e0 ho\u1ea1t h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao 800\u20131100\u00b0C v\u1edbi h\u01a1i n\u01b0\u1edbc ho\u1eb7c h\u00f3a ch\u1ea5t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u1ee8ng d\u1ee5ng c\u1ee7a than \u0111en v\u00e0 than ho\u1ea1t t\u00ednh<\/strong><\/h2>\n

M\u1eb7c d\u00f9 c\u00f9ng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb v\u1eadt li\u1ec7u h\u1eefu c\u01a1 nh\u01b0 g\u1ed7, g\u00e1o d\u1eeba, v\u1ecf tr\u1ea5u\u2026, nh\u01b0ng than \u0111en v\u00e0 than ho\u1ea1t t\u00ednh l\u1ea1i c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng ho\u00e0n to\u00e0n kh\u00e1c nhau nh\u1edd s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac:<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a than \u0111en<\/strong><\/h3>\n

M\u1eb7c d\u00f9 vi\u1ec7c s\u1eed d\u1ee5ng than \u0111en \u0111ang gi\u1ea3m d\u1ea7n do c\u00e1c v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng, n\u00f3 v\u1eabn c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng nh\u1ea5t \u0111\u1ecbnh:<\/p>\n