![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-structure-300x195.jpg\")
\u00a0 \u00a0 ![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-micro-300x195.jpg\")
<\/p>\n
C\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a b\u1ed9t talc \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 C\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a talc<\/p>\n
T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a b\u1ed9t talc<\/h4>\n\n- T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/strong><\/li>\n<\/ul>\n
H\u1ea5p ph\u1ee5: h\u1ea5p th\u1ee5 d\u1ea7u l\u00e0 49% ~ 51%;<\/p>\n
Hi\u1ec7u su\u1ea5t nhi\u1ec7t: \u0110\u1ed9 kh\u00fac x\u1ea1 cao t\u1edbi 1490-1510 \u2103;<\/p>\n
Hi\u1ec7u su\u1ea5t c\u00e1ch \u0111i\u1ec7n: Khi kho\u00e1ng ch\u1ea5t ch\u1ee9a s\u1eaft xu\u1ea5t hi\u1ec7n, hi\u1ec7u su\u1ea5t c\u00e1ch \u0111i\u1ec7n b\u1ecb gi\u1ea3m;<\/p>\n
\u0110\u1ed9 che ph\u1ee7: B\u1ed9t talc si\u00eau m\u1ecbn c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ed1ng ch\u1ecdi v\u1edbi th\u1eddi ti\u1ebft;<\/p>\n
T\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc: N\u00f3i chung, n\u00f3 kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi axit v\u00e0 baz\u01a1 m\u1ea1nh;<\/p>\n
C\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c: \u0111\u1ed9 c\u1ee9ng th\u1ea5p v\u00e0 c\u1ea3m gi\u00e1c tr\u01a1n tr\u01b0\u1ee3t m\u1ea1nh; khi c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t t\u0103ng l\u00ean, hi\u1ec7u su\u1ea5t b\u00f4i tr\u01a1n s\u1ebd gi\u1ea3m r\u00f5 r\u00e0ng; talc d\u00e0y \u0111\u1eb7c v\u00e0 c\u00f3 \u0111\u1ed9 c\u1ee9ng th\u1ea5p, v\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u01a1 h\u1ecdc v\u00e0 ch\u1ea1m kh\u1eafc t\u1ed1t.<\/p>\n
\n- T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/strong><\/li>\n<\/ul>\n
Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh. Si \u0111\u00f4i khi \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng Al ho\u1eb7c Ti (Al c\u00f3 th\u1ec3 \u0111\u1ea1t 5%, Ti c\u00f3 th\u1ec3 \u0111\u1ea1t 0,1%), Mg th\u01b0\u1eddng \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng Fe v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf Mn, Ni, Al (FeO \u0111\u1ea1t 5%, Fe2<\/sub>O3<\/sub>\u00a0\u0111\u1ea1t 4,2%, NiO \u0111\u1ebfn 1%), \u0111\u00f4i khi ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf K, Na, Ca, c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 n\u1eb1m gi\u1eefa c\u00e1c l\u1edbp talc ho\u1eb7c \u0111\u01b0\u1ee3c tr\u1ed9n c\u01a1 h\u1ecdc, bi\u1ebfn th\u1ec3 c\u1ee7a th\u00e0nh vi\u00ean cu\u1ed1i gi\u00e0u s\u1eaft – s\u1eaft talc, ch\u1ee9a FeO t\u1edbi 33,7%.<\/p>\nPh\u00e2n lo\u1ea1i b\u1ed9t talc<\/h4>\n
Talc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh talc kh\u1ed1i (h\u00e0m l\u01b0\u1ee3ng talc> 70%), \u0111\u00e1 talc (h\u00e0m l\u01b0\u1ee3ng talc 30-70%), \u0111\u00e1 talc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111\u00e1 talc-clorit, \u0111\u00e1 talc-cacbonat.<\/p>\n
\n- Talc<\/strong><\/li>\n<\/ul>\n
\n\n\nPh\u00e2n lo\u1ea1i<\/td>\n B\u00f4i tr\u01a1n<\/td>\n S\u1ef1 h\u1ea5p ph\u1ee5<\/td>\n \u1ed4n \u0111\u1ecbnh h\u00f3a h\u1ecdc<\/td>\n Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y<\/td>\n \u0110\u1ed9 n\u00f3ng ch\u1ea3y<\/td>\n<\/tr>\n \nM\u00e0n bi\u1ec3u di\u1ec5n<\/td>\n T\u1ed1t<\/td>\n T\u1ed1t<\/td>\n T\u1ed1t<\/td>\n T\u1ed1t<\/td>\n 1200\u00b0C<\/td>\n<\/tr>\n \nKhi h\u00e0m l\u01b0\u1ee3ng talc> 98%, n\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t c\u00e1ch nhi\u1ec7t t\u1ed1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n- \u0110\u00e1 Talc<\/strong><\/li>\n<\/ul>\n
Theo lo\u1ea1i kho\u00e1ng v\u1eadt c\u1ee7a n\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111\u00e1 clorit v\u00e0 \u0111\u00e1 cacbonat.<\/p>\n
\u0110\u00e1 clorit c\u00f3 ch\u1ee9a clorit, \u0111\u00f4i khi l\u00e0 serpentine v\u00e0 pyroxen, c\u00f3 m\u00e0u s\u1eabm h\u01a1n v\u00e0 \u0111\u1ed9 c\u1ee9ng l\u1edbn h\u01a1n b\u1ed9t talc. C\u00e1c kho\u00e1ng ch\u1ea5t c\u1ed9ng sinh cacbonat bao g\u1ed3m magnesit, dolomit, canxit, v.v., th\u01b0\u1eddng c\u00f3 m\u00e0u nh\u1ea1t h\u01a1n v\u00e0 c\u1ee9ng h\u01a1n nhi\u1ec1u so v\u1edbi talc.<\/p>\n
C\u00f4ng ngh\u1ec7 x\u1eed l\u00fd Talc<\/h4>\n\n- H\u01b0\u1edfng l\u1ee3i v\u00e0 thanh l\u1ecdc<\/strong><\/li>\n<\/ul>\n
L\u1ee3i \u00edch v\u00e0 thanh l\u1ecdc bao g\u1ed3m tuy\u1ec3n n\u1ed5i (talc c\u00f3 kh\u1ea3 n\u0103ng n\u1ed5i t\u1ef1 nhi\u00ean t\u1ed1t), ph\u00e2n lo\u1ea1i th\u1ee7 c\u00f4ng (kho\u00e1ng ch\u1ea5t talc v\u00e0 gangue c\u00f3 t\u00ednh ch\u1ea5t tr\u01a1n tr\u01b0\u1ee3t kh\u00e1c nhau), th\u1ee5 h\u01b0\u1edfng t\u0129nh \u0111i\u1ec7n (talc mang \u0111i\u1ec7n t\u00edch \u00e2m v\u00e0 c\u00f3 t\u00ednh ch\u1ea5t \u0111i\u1ec7n kh\u00e1c v\u1edbi kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t), t\u00e1ch t\u1eeb t\u00ednh (s\u1eed d\u1ee5ng l\u1ef1a ch\u1ecdn t\u1eeb t\u00ednh v\u00e0 lo\u1ea1i b\u1ecf kho\u00e1ng ch\u1ea5t ch\u1ee9a s\u1eaft), ph\u00e2n lo\u1ea1i quang \u0111i\u1ec7n (t\u00ednh ch\u1ea5t quang h\u1ecdc b\u1ec1 m\u1eb7t c\u1ee7a kho\u00e1ng ch\u1ea5t talc v\u00e0 t\u1ea1p ch\u1ea5t l\u00e0 kh\u00e1c nhau), nghi\u1ec1n v\u00e0 s\u00e0ng l\u1ecdc (ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n c\u1ee7a kho\u00e1ng talc v\u00e0 gangue l\u00e0 kh\u00e1c nhau).<\/p>\n
\n- Xay m\u1ecbn v\u00e0 m\u00e0i si\u00eau m\u1ecbn<\/strong><\/li>\n<\/ul>\n
Talc cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u1edf d\u1ea1ng b\u1ed9t, do \u0111\u00f3, nghi\u1ec1n m\u1ecbn v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt x\u1eed l\u00fd c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ed9t talc. Talc c\u00f3 \u0111\u1ed9 c\u1ee9ng Mohs l\u00e0 1, c\u00f3 th\u1ec3 nghi\u1ec1n t\u1ef1 nhi\u00ean v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng nghi\u1ec1n t\u1ed1t. Hi\u1ec7n nay, vi\u1ec7c ch\u1ebf bi\u1ebfn b\u1ed9t talc si\u00eau m\u1ecbn ch\u1ee7 y\u1ebfu \u00e1p d\u1ee5ng quy tr\u00ecnh kh\u00f4. M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n th\u00e0nh b\u1ed9t \u01b0\u1edbt \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u nh\u01b0ng n\u00f3 \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p.<\/p>\n
Thi\u1ebft b\u1ecb nghi\u1ec1n kh\u00f4 bao g\u1ed3m m\u00e1y nghi\u1ec1n va \u0111\u1eadp, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n xo\u00e1y, m\u00e1y nghi\u1ec1n rung, m\u00e1y nghi\u1ec1n khu\u1ea5y v\u00e0 m\u00e1y nghi\u1ec1n th\u00e1p.<\/p>\n
![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/MQW-1-1-300x300.jpg\")
![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/05\/CSM-VD_light-1-300x300.jpg\")
![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/RTM-1-300x300.jpg\")
![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/MZ-1-300x300.jpg\")
<\/p>\n
Nguy\u00ean t\u1eafc c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n b\u1ed9t talc l\u00e0: kh\u1ed1i talc \u2192 nghi\u1ec1n th\u00f4 \u2192 s\u1ea5y kh\u00f4 \u2192 nghi\u1ec1n v\u1eeba \u2192 nghi\u1ec1n m\u1ecbn (nh\u00e0 m\u00e1y Raymond) \u2192 nghi\u1ec1n si\u00eau m\u1ecbn (m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c) \u2192 c\u1ed1t li\u1ec7u xyclon \u2192 \u0111\u00f3ng g\u00f3i, \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea1t 500 ~ 5000 h\u1ea1ng m\u1ee5c.<\/p>\n
Qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc c\u1ee7a b\u1ed9t talc l\u00e0: kh\u1ed1i talc \u2192 nghi\u1ec1n (m\u00e1y nghi\u1ec1n b\u00faa) \u2192 m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc \u2192 m\u00e1y ph\u00e2n lo\u1ea1i m\u1ecbn ki\u1ec3u tuabin \u2192 c\u1ed1t li\u1ec7u xyclon \u2192 \u0111\u00f3ng g\u00f3i.<\/p>\n
\n- S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/strong><\/li>\n<\/ul>\n
Vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ed9t talc ch\u1ee7 y\u1ebfu th\u00f4ng qua qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i kh\u00f4 v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu bao g\u1ed3m parafin, titanat, ch\u1ea5t k\u1ebft n\u1ed1i nh\u00f4m aluminat zirconi, ch\u1ea5t k\u1ebft n\u1ed1i silan, este photphat v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t kh\u00e1c nhau.<\/p>\n
\n- Nung<\/strong><\/li>\n<\/ul>\n
Qu\u00e1 tr\u00ecnh nung ch\u1ee7 y\u1ebfu d\u00e0nh cho b\u1ed9t talc \u0111en, v\u00e0 nhi\u1ec7t \u0111\u1ed9 nung th\u01b0\u1eddng l\u00e0 600 ~ 1200 \u2103. Trong kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 n\u00e0y, nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao th\u00ec \u0111\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t talc sau khi nung c\u00e0ng cao, \u0111\u1ed9 tr\u1eafng khi nung t\u1ed1i \u0111a c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u01a1n 90.<\/p>\n
Ph\u00e2n ph\u1ed1i t\u00e0i nguy\u00ean c\u1ee7a talc<\/h4>\n
Tr\u1eef l\u01b0\u1ee3ng tri\u1ec3n v\u1ecdng c\u1ee7a talc tr\u00ean th\u1ebf gi\u1edbi l\u00e0 h\u01a1n 2 t\u1ef7 t\u1ea5n, v\u00e0 tr\u1eef l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 kho\u1ea3ng 800 tri\u1ec7u t\u1ea5n, bao g\u1ed3m h\u01a1n 40 qu\u1ed1c gia. C\u00e1c n\u01b0\u1edbc c\u00f3 tr\u1eef l\u01b0\u1ee3ng l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0: Ph\u1ea7n Lan, Trung Qu\u1ed1c, Hoa K\u1ef3, Nga v\u00e0 Ph\u00e1p.<\/p>\n
C\u00f3 250 m\u1ecf talc \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn tr\u00ean th\u1ebf gi\u1edbi, trong \u0111\u00f3 80 m\u1ecf hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c khai th\u00e1c. Trong s\u1ed1 80, 40 c\u00f3 s\u1ea3n l\u01b0\u1ee3ng h\u00e0ng n\u0103m h\u01a1n 5.000 t\u1ea5n, v\u00e0 s\u1ea3n l\u01b0\u1ee3ng h\u00e0ng n\u0103m c\u1ee7a th\u1ebf gi\u1edbi hi\u1ec7n nay l\u00e0 kho\u1ea3ng 6 tri\u1ec7u t\u1ea5n.<\/p>\n
\u1ee8ng d\u1ee5ng c\u1ee7a talc<\/h4>\n\n- l\u00e0m gi\u1ea5y<\/strong><\/li>\n<\/ul>\n
B\u1ed9t talc si\u00eau m\u1ecbn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u cao lanh, canxi cacbonat v\u00e0 titan dioxit \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 m\u1edd, m\u1ef1c, \u0111\u1ed9 b\u00f3ng, \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 m\u1edd c\u1ee7a gi\u1ea5y.<\/p>\n
\n- Nh\u1ef1a, cao su, c\u00e1p<\/strong><\/li>\n<\/ul>\n
\n\n\nPh\u00e2n lo\u1ea1i<\/td>\n nh\u1ef1a<\/td>\n Cao su<\/td>\n c\u00e1p<\/td>\n<\/tr>\n \nM\u1ee5c \u0111\u00edch<\/td>\n Ch\u1ea5t l\u00e0m \u0111\u1ea7y<\/td>\n Ch\u1ea5t ch\u1ed1ng d\u00ednh<\/td>\n T\u00e1c nh\u00e2n gia c\u1ed1 \/ t\u00e1c nh\u00e2n ph\u00e1t h\u00e0nh<\/td>\n<\/tr>\n \nT\u00e1c d\u1ee5ng<\/td>\n C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, c\u00e1ch \u0111i\u1ec7n v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n- G\u1ed1m s\u1ee9 v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda<\/strong><\/li>\n<\/ul>\n
N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m th\u00e0nh ph\u1ea7n \u0111\u1ec3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a th\u00e2n g\u1ed1m, v\u00e0 nh\u01b0 m\u1ed9t l\u1edbp tr\u00e1ng men c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t ngu\u1ed3n magie oxit r\u1ebb ti\u1ec1n. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn tr\u1ef1c ti\u1ebfp th\u00e0nh t\u1ea5m v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp l\u00f3t l\u00f2 v\u00e0 l\u1edbp l\u00f3t l\u00f2.<\/p>\n
\n- l\u1edbp \u00e1o<\/strong><\/li>\n<\/ul>\n
Talc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n t\u1ed1t trong c\u1ea3 n\u1ec1n ph\u00e2n c\u1ef1c v\u00e0 kh\u00f4ng ph\u00e2n c\u1ef1c, \u0111\u1ed3ng th\u1eddi c\u00f3 t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u cao.<\/p>\n
\n- D\u1ec7t may<\/strong><\/li>\n<\/ul>\n
\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 ch\u1ea5t l\u00e0m \u0111\u1ea7y v\u00e0 l\u00e0m s\u00e1ng v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n trong h\u00e0ng d\u1ec7t may.<\/p>\n
\n- m\u1ef9 ph\u1ea9m<\/strong><\/li>\n<\/ul>\n
C\u00e1c lo\u1ea1i b\u1ed9t l\u00e0m m\u1ec1m da, b\u1ed9t l\u00e0m \u0111\u1eb9p, b\u1ed9t tan, v.v.<\/p>\n
\n- Thu\u1ed1c, th\u1ef1c ph\u1ea9m<\/strong><\/li>\n<\/ul>\n
Thu\u1ed1c vi\u00ean, thu\u1ed1c bao \u0111\u01b0\u1eddng, b\u1ed9t thanh nhi\u1ec7t, \u0111\u01a1n thu\u1ed1c b\u1eafc, ph\u1ee5 gia th\u1ef1c ph\u1ea9m, ch\u1ea5t gi\u1ea3i ph\u00f3ng, v.v.<\/p>\n
\n- kh\u00e1c<\/strong><\/li>\n<\/ul>\n
Ch\u1ea5t v\u1eadn chuy\u1ec3n thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 ph\u00e2n b\u00f3n, h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7, ch\u1ea5t ph\u00f3ng th\u00edch, thu\u1ed1c m\u1ee1 ch\u1ed1ng th\u1ea5m, v.v.<\/p>\n
<\/p>\n
Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u1ee7a b\u1ed9t talc ch\u1ee7 y\u1ebfu l\u00e0 do t\u1ea1p ch\u1ea5t. C\u00e0ng nhi\u1ec1u t\u1ea1p ch\u1ea5t, m\u00e0u c\u00e0ng \u0111\u1eadm. Lo\u1ea1i tinh khi\u1ebft c\u00f3 m\u00e0u tr\u1eafng, l\u1eabn t\u1ea1p ch\u1ea5t c\u00f3 m\u00e0u h\u01a1i v\u00e0ng, h\u1ed3ng, xanh l\u1ee5c nh\u1ea1t, n\u00e2u nh\u1ea1t v\u00e0 c\u00e1c m\u00e0u kh\u00e1c. Kh\u1ed1i \u0111\u1eb7c c\u00f3 d\u1ea1ng \u0111\u1ee9t g\u00e3y gi\u1ed1ng nh\u01b0 v\u1ecf s\u00f2, t\u1ef7 tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 2,58-2,83, v\u00e0 n\u00f3 gi\u00e0u tr\u01a1n, c\u00f3 \u00e1nh th\u1ee7y tinh, b\u1ec1 m\u1eb7t ph\u00e2n c\u1eaft c\u00f3 m\u00e0u \u00e1nh ng\u1ecdc trai, v\u00e0 t\u1ea5m ph\u00e2n c\u1eaft m\u1ec1m d\u1ebbo (t\u00ednh linh ho\u1ea1t l\u00e0 s\u1ef1 ph\u00e2n c\u1eaft bong Kho\u00e1ng s\u1ea3n, c\u00e1c l\u00e1t m\u1ecfng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 b\u1ecb u\u1ed1n cong \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1 d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c bi\u00ean, nh\u01b0ng kh\u00f4ng th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i t\u00ednh ch\u1ea5t ban \u0111\u1ea7u sau khi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c b\u00ean ngo\u00e0i).<\/p>\n","protected":false},"author":6,"featured_media":111079,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-111105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111105"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=111105"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111105\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111079"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=111105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=111105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=111105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
H\u1ea5p ph\u1ee5: h\u1ea5p th\u1ee5 d\u1ea7u l\u00e0 49% ~ 51%;<\/p>\n
Hi\u1ec7u su\u1ea5t nhi\u1ec7t: \u0110\u1ed9 kh\u00fac x\u1ea1 cao t\u1edbi 1490-1510 \u2103;<\/p>\n
Hi\u1ec7u su\u1ea5t c\u00e1ch \u0111i\u1ec7n: Khi kho\u00e1ng ch\u1ea5t ch\u1ee9a s\u1eaft xu\u1ea5t hi\u1ec7n, hi\u1ec7u su\u1ea5t c\u00e1ch \u0111i\u1ec7n b\u1ecb gi\u1ea3m;<\/p>\n
\u0110\u1ed9 che ph\u1ee7: B\u1ed9t talc si\u00eau m\u1ecbn c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ed1ng ch\u1ecdi v\u1edbi th\u1eddi ti\u1ebft;<\/p>\n
T\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc: N\u00f3i chung, n\u00f3 kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi axit v\u00e0 baz\u01a1 m\u1ea1nh;<\/p>\n
C\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c: \u0111\u1ed9 c\u1ee9ng th\u1ea5p v\u00e0 c\u1ea3m gi\u00e1c tr\u01a1n tr\u01b0\u1ee3t m\u1ea1nh; khi c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t t\u0103ng l\u00ean, hi\u1ec7u su\u1ea5t b\u00f4i tr\u01a1n s\u1ebd gi\u1ea3m r\u00f5 r\u00e0ng; talc d\u00e0y \u0111\u1eb7c v\u00e0 c\u00f3 \u0111\u1ed9 c\u1ee9ng th\u1ea5p, v\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u01a1 h\u1ecdc v\u00e0 ch\u1ea1m kh\u1eafc t\u1ed1t.<\/p>\n
- \n
- T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/strong><\/li>\n<\/ul>\n
Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh. Si \u0111\u00f4i khi \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng Al ho\u1eb7c Ti (Al c\u00f3 th\u1ec3 \u0111\u1ea1t 5%, Ti c\u00f3 th\u1ec3 \u0111\u1ea1t 0,1%), Mg th\u01b0\u1eddng \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng Fe v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf Mn, Ni, Al (FeO \u0111\u1ea1t 5%, Fe2<\/sub>O3<\/sub>\u00a0\u0111\u1ea1t 4,2%, NiO \u0111\u1ebfn 1%), \u0111\u00f4i khi ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf K, Na, Ca, c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 n\u1eb1m gi\u1eefa c\u00e1c l\u1edbp talc ho\u1eb7c \u0111\u01b0\u1ee3c tr\u1ed9n c\u01a1 h\u1ecdc, bi\u1ebfn th\u1ec3 c\u1ee7a th\u00e0nh vi\u00ean cu\u1ed1i gi\u00e0u s\u1eaft – s\u1eaft talc, ch\u1ee9a FeO t\u1edbi 33,7%.<\/p>\n
Ph\u00e2n lo\u1ea1i b\u1ed9t talc<\/h4>\n
Talc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh talc kh\u1ed1i (h\u00e0m l\u01b0\u1ee3ng talc> 70%), \u0111\u00e1 talc (h\u00e0m l\u01b0\u1ee3ng talc 30-70%), \u0111\u00e1 talc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111\u00e1 talc-clorit, \u0111\u00e1 talc-cacbonat.<\/p>\n
- \n
- Talc<\/strong><\/li>\n<\/ul>\n
\n\n
\n Ph\u00e2n lo\u1ea1i<\/td>\n B\u00f4i tr\u01a1n<\/td>\n S\u1ef1 h\u1ea5p ph\u1ee5<\/td>\n \u1ed4n \u0111\u1ecbnh h\u00f3a h\u1ecdc<\/td>\n Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y<\/td>\n \u0110\u1ed9 n\u00f3ng ch\u1ea3y<\/td>\n<\/tr>\n \n M\u00e0n bi\u1ec3u di\u1ec5n<\/td>\n T\u1ed1t<\/td>\n T\u1ed1t<\/td>\n T\u1ed1t<\/td>\n T\u1ed1t<\/td>\n 1200\u00b0C<\/td>\n<\/tr>\n \n Khi h\u00e0m l\u01b0\u1ee3ng talc> 98%, n\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t c\u00e1ch nhi\u1ec7t t\u1ed1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n - \n
- \u0110\u00e1 Talc<\/strong><\/li>\n<\/ul>\n
Theo lo\u1ea1i kho\u00e1ng v\u1eadt c\u1ee7a n\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111\u00e1 clorit v\u00e0 \u0111\u00e1 cacbonat.<\/p>\n
\u0110\u00e1 clorit c\u00f3 ch\u1ee9a clorit, \u0111\u00f4i khi l\u00e0 serpentine v\u00e0 pyroxen, c\u00f3 m\u00e0u s\u1eabm h\u01a1n v\u00e0 \u0111\u1ed9 c\u1ee9ng l\u1edbn h\u01a1n b\u1ed9t talc. C\u00e1c kho\u00e1ng ch\u1ea5t c\u1ed9ng sinh cacbonat bao g\u1ed3m magnesit, dolomit, canxit, v.v., th\u01b0\u1eddng c\u00f3 m\u00e0u nh\u1ea1t h\u01a1n v\u00e0 c\u1ee9ng h\u01a1n nhi\u1ec1u so v\u1edbi talc.<\/p>\n
C\u00f4ng ngh\u1ec7 x\u1eed l\u00fd Talc<\/h4>\n
- \n
- H\u01b0\u1edfng l\u1ee3i v\u00e0 thanh l\u1ecdc<\/strong><\/li>\n<\/ul>\n
L\u1ee3i \u00edch v\u00e0 thanh l\u1ecdc bao g\u1ed3m tuy\u1ec3n n\u1ed5i (talc c\u00f3 kh\u1ea3 n\u0103ng n\u1ed5i t\u1ef1 nhi\u00ean t\u1ed1t), ph\u00e2n lo\u1ea1i th\u1ee7 c\u00f4ng (kho\u00e1ng ch\u1ea5t talc v\u00e0 gangue c\u00f3 t\u00ednh ch\u1ea5t tr\u01a1n tr\u01b0\u1ee3t kh\u00e1c nhau), th\u1ee5 h\u01b0\u1edfng t\u0129nh \u0111i\u1ec7n (talc mang \u0111i\u1ec7n t\u00edch \u00e2m v\u00e0 c\u00f3 t\u00ednh ch\u1ea5t \u0111i\u1ec7n kh\u00e1c v\u1edbi kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t), t\u00e1ch t\u1eeb t\u00ednh (s\u1eed d\u1ee5ng l\u1ef1a ch\u1ecdn t\u1eeb t\u00ednh v\u00e0 lo\u1ea1i b\u1ecf kho\u00e1ng ch\u1ea5t ch\u1ee9a s\u1eaft), ph\u00e2n lo\u1ea1i quang \u0111i\u1ec7n (t\u00ednh ch\u1ea5t quang h\u1ecdc b\u1ec1 m\u1eb7t c\u1ee7a kho\u00e1ng ch\u1ea5t talc v\u00e0 t\u1ea1p ch\u1ea5t l\u00e0 kh\u00e1c nhau), nghi\u1ec1n v\u00e0 s\u00e0ng l\u1ecdc (ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n c\u1ee7a kho\u00e1ng talc v\u00e0 gangue l\u00e0 kh\u00e1c nhau).<\/p>\n
- \n
- Xay m\u1ecbn v\u00e0 m\u00e0i si\u00eau m\u1ecbn<\/strong><\/li>\n<\/ul>\n
Talc cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u1edf d\u1ea1ng b\u1ed9t, do \u0111\u00f3, nghi\u1ec1n m\u1ecbn v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt x\u1eed l\u00fd c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ed9t talc. Talc c\u00f3 \u0111\u1ed9 c\u1ee9ng Mohs l\u00e0 1, c\u00f3 th\u1ec3 nghi\u1ec1n t\u1ef1 nhi\u00ean v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng nghi\u1ec1n t\u1ed1t. Hi\u1ec7n nay, vi\u1ec7c ch\u1ebf bi\u1ebfn b\u1ed9t talc si\u00eau m\u1ecbn ch\u1ee7 y\u1ebfu \u00e1p d\u1ee5ng quy tr\u00ecnh kh\u00f4. M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n th\u00e0nh b\u1ed9t \u01b0\u1edbt \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u nh\u01b0ng n\u00f3 \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p.<\/p>\n
Thi\u1ebft b\u1ecb nghi\u1ec1n kh\u00f4 bao g\u1ed3m m\u00e1y nghi\u1ec1n va \u0111\u1eadp, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n xo\u00e1y, m\u00e1y nghi\u1ec1n rung, m\u00e1y nghi\u1ec1n khu\u1ea5y v\u00e0 m\u00e1y nghi\u1ec1n th\u00e1p.<\/p>\n
<\/p>\nNguy\u00ean t\u1eafc c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n b\u1ed9t talc l\u00e0: kh\u1ed1i talc \u2192 nghi\u1ec1n th\u00f4 \u2192 s\u1ea5y kh\u00f4 \u2192 nghi\u1ec1n v\u1eeba \u2192 nghi\u1ec1n m\u1ecbn (nh\u00e0 m\u00e1y Raymond) \u2192 nghi\u1ec1n si\u00eau m\u1ecbn (m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c) \u2192 c\u1ed1t li\u1ec7u xyclon \u2192 \u0111\u00f3ng g\u00f3i, \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea1t 500 ~ 5000 h\u1ea1ng m\u1ee5c.<\/p>\n
Qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc c\u1ee7a b\u1ed9t talc l\u00e0: kh\u1ed1i talc \u2192 nghi\u1ec1n (m\u00e1y nghi\u1ec1n b\u00faa) \u2192 m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc \u2192 m\u00e1y ph\u00e2n lo\u1ea1i m\u1ecbn ki\u1ec3u tuabin \u2192 c\u1ed1t li\u1ec7u xyclon \u2192 \u0111\u00f3ng g\u00f3i.<\/p>\n
- \n
- S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/strong><\/li>\n<\/ul>\n
Vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ed9t talc ch\u1ee7 y\u1ebfu th\u00f4ng qua qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i kh\u00f4 v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu bao g\u1ed3m parafin, titanat, ch\u1ea5t k\u1ebft n\u1ed1i nh\u00f4m aluminat zirconi, ch\u1ea5t k\u1ebft n\u1ed1i silan, este photphat v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t kh\u00e1c nhau.<\/p>\n
- \n
- Nung<\/strong><\/li>\n<\/ul>\n
Qu\u00e1 tr\u00ecnh nung ch\u1ee7 y\u1ebfu d\u00e0nh cho b\u1ed9t talc \u0111en, v\u00e0 nhi\u1ec7t \u0111\u1ed9 nung th\u01b0\u1eddng l\u00e0 600 ~ 1200 \u2103. Trong kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 n\u00e0y, nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao th\u00ec \u0111\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t talc sau khi nung c\u00e0ng cao, \u0111\u1ed9 tr\u1eafng khi nung t\u1ed1i \u0111a c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u01a1n 90.<\/p>\n
Ph\u00e2n ph\u1ed1i t\u00e0i nguy\u00ean c\u1ee7a talc<\/h4>\n
Tr\u1eef l\u01b0\u1ee3ng tri\u1ec3n v\u1ecdng c\u1ee7a talc tr\u00ean th\u1ebf gi\u1edbi l\u00e0 h\u01a1n 2 t\u1ef7 t\u1ea5n, v\u00e0 tr\u1eef l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 kho\u1ea3ng 800 tri\u1ec7u t\u1ea5n, bao g\u1ed3m h\u01a1n 40 qu\u1ed1c gia. C\u00e1c n\u01b0\u1edbc c\u00f3 tr\u1eef l\u01b0\u1ee3ng l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0: Ph\u1ea7n Lan, Trung Qu\u1ed1c, Hoa K\u1ef3, Nga v\u00e0 Ph\u00e1p.<\/p>\n
C\u00f3 250 m\u1ecf talc \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn tr\u00ean th\u1ebf gi\u1edbi, trong \u0111\u00f3 80 m\u1ecf hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c khai th\u00e1c. Trong s\u1ed1 80, 40 c\u00f3 s\u1ea3n l\u01b0\u1ee3ng h\u00e0ng n\u0103m h\u01a1n 5.000 t\u1ea5n, v\u00e0 s\u1ea3n l\u01b0\u1ee3ng h\u00e0ng n\u0103m c\u1ee7a th\u1ebf gi\u1edbi hi\u1ec7n nay l\u00e0 kho\u1ea3ng 6 tri\u1ec7u t\u1ea5n.<\/p>\n
\u1ee8ng d\u1ee5ng c\u1ee7a talc<\/h4>\n
- \n
- l\u00e0m gi\u1ea5y<\/strong><\/li>\n<\/ul>\n
B\u1ed9t talc si\u00eau m\u1ecbn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u cao lanh, canxi cacbonat v\u00e0 titan dioxit \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 m\u1edd, m\u1ef1c, \u0111\u1ed9 b\u00f3ng, \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 m\u1edd c\u1ee7a gi\u1ea5y.<\/p>\n
- \n
- Nh\u1ef1a, cao su, c\u00e1p<\/strong><\/li>\n<\/ul>\n
\n\n
\n Ph\u00e2n lo\u1ea1i<\/td>\n nh\u1ef1a<\/td>\n Cao su<\/td>\n c\u00e1p<\/td>\n<\/tr>\n \n M\u1ee5c \u0111\u00edch<\/td>\n Ch\u1ea5t l\u00e0m \u0111\u1ea7y<\/td>\n Ch\u1ea5t ch\u1ed1ng d\u00ednh<\/td>\n T\u00e1c nh\u00e2n gia c\u1ed1 \/ t\u00e1c nh\u00e2n ph\u00e1t h\u00e0nh<\/td>\n<\/tr>\n \n T\u00e1c d\u1ee5ng<\/td>\n C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, c\u00e1ch \u0111i\u1ec7n v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n - \n
- G\u1ed1m s\u1ee9 v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda<\/strong><\/li>\n<\/ul>\n
N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m th\u00e0nh ph\u1ea7n \u0111\u1ec3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a th\u00e2n g\u1ed1m, v\u00e0 nh\u01b0 m\u1ed9t l\u1edbp tr\u00e1ng men c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t ngu\u1ed3n magie oxit r\u1ebb ti\u1ec1n. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn tr\u1ef1c ti\u1ebfp th\u00e0nh t\u1ea5m v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp l\u00f3t l\u00f2 v\u00e0 l\u1edbp l\u00f3t l\u00f2.<\/p>\n
- \n
- l\u1edbp \u00e1o<\/strong><\/li>\n<\/ul>\n
Talc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n t\u1ed1t trong c\u1ea3 n\u1ec1n ph\u00e2n c\u1ef1c v\u00e0 kh\u00f4ng ph\u00e2n c\u1ef1c, \u0111\u1ed3ng th\u1eddi c\u00f3 t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u cao.<\/p>\n
- \n
- D\u1ec7t may<\/strong><\/li>\n<\/ul>\n
\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 ch\u1ea5t l\u00e0m \u0111\u1ea7y v\u00e0 l\u00e0m s\u00e1ng v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n trong h\u00e0ng d\u1ec7t may.<\/p>\n
- \n
- m\u1ef9 ph\u1ea9m<\/strong><\/li>\n<\/ul>\n
C\u00e1c lo\u1ea1i b\u1ed9t l\u00e0m m\u1ec1m da, b\u1ed9t l\u00e0m \u0111\u1eb9p, b\u1ed9t tan, v.v.<\/p>\n
- \n
- Thu\u1ed1c, th\u1ef1c ph\u1ea9m<\/strong><\/li>\n<\/ul>\n
Thu\u1ed1c vi\u00ean, thu\u1ed1c bao \u0111\u01b0\u1eddng, b\u1ed9t thanh nhi\u1ec7t, \u0111\u01a1n thu\u1ed1c b\u1eafc, ph\u1ee5 gia th\u1ef1c ph\u1ea9m, ch\u1ea5t gi\u1ea3i ph\u00f3ng, v.v.<\/p>\n
- \n
- kh\u00e1c<\/strong><\/li>\n<\/ul>\n
Ch\u1ea5t v\u1eadn chuy\u1ec3n thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 ph\u00e2n b\u00f3n, h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7, ch\u1ea5t ph\u00f3ng th\u00edch, thu\u1ed1c m\u1ee1 ch\u1ed1ng th\u1ea5m, v.v.<\/p>\n
<\/p>\n
Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u1ee7a b\u1ed9t talc ch\u1ee7 y\u1ebfu l\u00e0 do t\u1ea1p ch\u1ea5t. C\u00e0ng nhi\u1ec1u t\u1ea1p ch\u1ea5t, m\u00e0u c\u00e0ng \u0111\u1eadm. Lo\u1ea1i tinh khi\u1ebft c\u00f3 m\u00e0u tr\u1eafng, l\u1eabn t\u1ea1p ch\u1ea5t c\u00f3 m\u00e0u h\u01a1i v\u00e0ng, h\u1ed3ng, xanh l\u1ee5c nh\u1ea1t, n\u00e2u nh\u1ea1t v\u00e0 c\u00e1c m\u00e0u kh\u00e1c. Kh\u1ed1i \u0111\u1eb7c c\u00f3 d\u1ea1ng \u0111\u1ee9t g\u00e3y gi\u1ed1ng nh\u01b0 v\u1ecf s\u00f2, t\u1ef7 tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 2,58-2,83, v\u00e0 n\u00f3 gi\u00e0u tr\u01a1n, c\u00f3 \u00e1nh th\u1ee7y tinh, b\u1ec1 m\u1eb7t ph\u00e2n c\u1eaft c\u00f3 m\u00e0u \u00e1nh ng\u1ecdc trai, v\u00e0 t\u1ea5m ph\u00e2n c\u1eaft m\u1ec1m d\u1ebbo (t\u00ednh linh ho\u1ea1t l\u00e0 s\u1ef1 ph\u00e2n c\u1eaft bong Kho\u00e1ng s\u1ea3n, c\u00e1c l\u00e1t m\u1ecfng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 b\u1ecb u\u1ed1n cong \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1 d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c bi\u00ean, nh\u01b0ng kh\u00f4ng th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i t\u00ednh ch\u1ea5t ban \u0111\u1ea7u sau khi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c b\u00ean ngo\u00e0i).<\/p>\n","protected":false},"author":6,"featured_media":111079,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-111105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111105"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=111105"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111105\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111079"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=111105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=111105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=111105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- kh\u00e1c<\/strong><\/li>\n<\/ul>\n
- Thu\u1ed1c, th\u1ef1c ph\u1ea9m<\/strong><\/li>\n<\/ul>\n
- m\u1ef9 ph\u1ea9m<\/strong><\/li>\n<\/ul>\n
- D\u1ec7t may<\/strong><\/li>\n<\/ul>\n
- l\u1edbp \u00e1o<\/strong><\/li>\n<\/ul>\n
- G\u1ed1m s\u1ee9 v\u00e0 v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda<\/strong><\/li>\n<\/ul>\n
- Nh\u1ef1a, cao su, c\u00e1p<\/strong><\/li>\n<\/ul>\n
- l\u00e0m gi\u1ea5y<\/strong><\/li>\n<\/ul>\n
- Nung<\/strong><\/li>\n<\/ul>\n
- S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/strong><\/li>\n<\/ul>\n
- Xay m\u1ecbn v\u00e0 m\u00e0i si\u00eau m\u1ecbn<\/strong><\/li>\n<\/ul>\n
- H\u01b0\u1edfng l\u1ee3i v\u00e0 thanh l\u1ecdc<\/strong><\/li>\n<\/ul>\n
- \u0110\u00e1 Talc<\/strong><\/li>\n<\/ul>\n
- Talc<\/strong><\/li>\n<\/ul>\n