{"id":15132,"date":"2025-05-23T07:57:05","date_gmt":"2025-05-23T07:57:05","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=15132"},"modified":"2025-05-26T08:20:35","modified_gmt":"2025-05-26T08:20:35","slug":"gcc-vs-pcc-17-key-differences-you-need-to-know-part-1","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/gcc-vs-pcc-17-key-differences-you-need-to-know-part-1\/","title":{"rendered":"GCC so v\u1edbi PCC: 17 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh b\u1ea1n c\u1ea7n bi\u1ebft (Ph\u1ea7n 1)"},"content":{"rendered":"

Canxi cacbonat l\u00e0 m\u1ed9t lo\u1ea1i mu\u1ed1i v\u00f4 c\u01a1 quan tr\u1ecdng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn kh\u00e1c nhau, c\u00f3 hai lo\u1ea1i: GCC v\u00e0 PCC. \u0110\u00e2y l\u00e0 ch\u1ea5t \u0111\u1ed9n b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 nh\u1ef1a, cao su v\u00e0 s\u1ea3n xu\u1ea5t gi\u1ea5y. Canxi cacbonat xay<\/strong>, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 GCC, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u1eadt l\u00fd. Nguy\u00ean li\u1ec7u th\u00f4 l\u00e0 canxit t\u1ef1 nhi\u00ean, \u0111\u00e1 v\u00f4i, dolomit, ph\u1ea5n, v\u1ecf s\u00f2, v.v. Canxi cacbonat k\u1ebft t\u1ee7a, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 PCC, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd h\u00f3a h\u1ecdc. N\u00f3 kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh c\u1ee7a v\u1eadt li\u1ec7u nh\u1ef1a. Nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e1c lo\u1ea1i canxi cacbonat kh\u00e1c nhau c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t c\u1ee7a nh\u1ef1a c\u01a1 b\u1ea3n khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch. Tuy nhi\u00ean, vi\u1ec7c ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa PCC v\u00e0 GCC t\u1eeb l\u00e2u \u0111\u00e3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i gi\u1edbi thi\u1ec7u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i n\u00e0y t\u1eeb 17 g\u00f3c \u0111\u1ed9 kh\u00e1c nhau.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

01 Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t<\/strong><\/h2>\n\n\n\n

GCC ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean nh\u01b0 canxit, \u0111\u00e1 c\u1ea9m th\u1ea1ch, \u0111\u00e1 v\u00f4i, ph\u1ea5n v\u00e0 \u0111\u00e1 c\u1ea9m th\u1ea1ch tr\u1eafng. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u d\u1ea1ng b\u1ed9t thu \u0111\u01b0\u1ee3c th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n c\u01a1 h\u1ecdc.
PCC ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u0111\u00e1 v\u00f4i v\u00e0 l\u00e0 v\u1eadt li\u1ec7u d\u1ea1ng b\u1ed9t thu \u0111\u01b0\u1ee3c th\u00f4ng qua qu\u00e1 tr\u00ecnh nung, ti\u00eau h\u00f3a, cacbon h\u00f3a, t\u00e1ch n\u01b0\u1edbc, s\u1ea5y kh\u00f4 v\u00e0 ph\u00e2n lo\u1ea1i.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

02 M\u1eadt \u0111\u1ed9 kh\u1ed1i<\/strong><\/h2>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng nh\u1ea5t gi\u1eefa GCC v\u00e0 PCC.<\/p>\n\n\n\n

M\u1eadt \u0111\u1ed9 kh\u1ed1i c\u1ee7a GCC t\u01b0\u01a1ng \u0111\u1ed1i cao, th\u01b0\u1eddng l\u00e0 0,8\u20131,3 g\/cm\u00b3;
M\u1eadt \u0111\u1ed9 kh\u1ed1i c\u1ee7a PCC t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, th\u01b0\u1eddng l\u00e0 0,5\u20130,7 g\/cm\u00b3. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m nano canxi cacbonat th\u1eadm ch\u00ed c\u00f3 th\u1ec3 c\u00f3 m\u1eadt \u0111\u1ed9 kh\u1ed1i th\u1ea5p t\u1edbi kho\u1ea3ng 0,28 g\/cm\u00b3.<\/p>\n\n\n\n

03 Gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u<\/strong><\/h2>\n\n\n\n

Do c\u00f3 c\u00e1c h\u1ea1t l\u1edbn, b\u1ec1 m\u1eb7t nh\u1eb5n v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang nh\u1ecf n\u00ean GCC c\u00f3 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p h\u01a1n, th\u01b0\u1eddng l\u00e0 40\u201360 mL\/100g;
PCC, v\u1edbi c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n, b\u1ec1 m\u1eb7t nh\u00e1m v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n, c\u00f3 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u cao h\u01a1n, th\u01b0\u1eddng l\u00e0 60\u201390 mL\/100g.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

04 \u0110\u1ed9 tr\u1eafng<\/h2>\n\n\n\n

Do h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao trong GCC n\u00ean \u0111\u1ed9 tr\u1eafng c\u1ee7a s\u1ea3n ph\u1ea9m th\u01b0\u1eddng l\u00e0 89%\u201393%, m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m \u0111\u1ea1t t\u1edbi 95%;
C\u00e1c s\u1ea3n ph\u1ea9m PCC c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao h\u01a1n n\u00ean \u0111\u1ed9 tr\u1eafng c\u1ee7a ch\u00fang th\u01b0\u1eddng \u0111\u1ea1t 92%\u201395%, m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m \u0111\u1ea1t 96%\u201397%.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

05 \u0110\u1ed9 \u1ea9m<\/h2>\n\n\n\n

H\u00e0m l\u01b0\u1ee3ng \u1ea9m c\u1ee7a s\u1ea3n ph\u1ea9m GCC th\u01b0\u1eddng l\u00e0 0,2%\u20130,3%, t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p v\u00e0 \u1ed5n \u0111\u1ecbnh. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m cao c\u1ea5p th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi m\u1ee9c th\u1ea5p l\u00e0 0,1%;
C\u00e1c s\u1ea3n ph\u1ea9m PCC th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ea9m t\u1eeb 0,3%\u20130,8%, c\u00f3 th\u1ec3 thay \u0111\u1ed5i v\u00e0 k\u00e9m \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n\n\n\n

06 H\u00ecnh d\u1ea1ng h\u1ea1t<\/h2>\n\n\n\n

\u0110\u1eb7c \u0111i\u1ec3m b\u1ed9t c\u1ee7a GCC bao g\u1ed3m: h\u00ecnh d\u1ea1ng h\u1ea1t kh\u00f4ng \u0111\u1ec1u, h\u1ea1t g\u00f3c c\u1ea1nh, b\u1ec1 m\u1eb7t g\u1ed3 gh\u1ec1, k\u00edch th\u01b0\u1edbc h\u1ea1t thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn h\u01a1n. Nghi\u1ec1n v\u00e0 tinh ch\u1ebf kh\u00f4ng l\u00e0m thay \u0111\u1ed5i d\u1ea1ng tinh th\u1ec3 c\u1ee7a GCC. Nh\u00ecn chung, GCC g\u1ed1c canxit c\u00f3 d\u1ea1ng l\u1ee5c gi\u00e1c, trong khi GCC g\u1ed1c \u0111\u00e1 c\u1ea9m th\u1ea1ch c\u00f3 d\u1ea1ng kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng. \u0110i\u1ec1u n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi v\u1eadt li\u1ec7u ngu\u1ed3n. B\u1ed9t PCC c\u00f3 h\u00ecnh d\u1ea1ng h\u1ea1t \u0111\u1ec1u \u0111\u1eb7n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 b\u1ed9t \u0111\u01a1n ph\u00e2n t\u00e1n, v\u1edbi ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p. D\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng h\u1ea1t, PCC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh d\u1ea1ng tr\u1ee5c ch\u00ednh, kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng, h\u00ecnh kim, d\u1ea1ng chu\u1ed7i, h\u00ecnh c\u1ea7u, d\u1ea1ng v\u1ea3y v\u00e0 d\u1ea1ng h\u00ecnh thoi. <\/p>\n\n\n\n

Canxi cacbonat h\u00ecnh tr\u1ee5c ch\u00ednh: k\u00edch th\u01b0\u1edbc tr\u1ee5c d\u00e0i trung b\u00ecnh 5\u201312 \u03bcm, tr\u1ee5c ng\u1eafn 1\u20133 \u03bcm. Canxi cacbonat h\u00ecnh l\u1eadp ph\u01b0\u01a1ng: k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh 0,02\u20130,1 \u03bcm. Canxi cacbonat h\u00ecnh kim: k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh 0,01\u20130,1 \u03bcm, v\u1edbi t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh 5\u2013100. Canxi cacbonat chu\u1ed7i: k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh 0,01\u20130,1 \u03bcm, t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh 10\u201350. Canxi cacbonat h\u00ecnh c\u1ea7u: k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh 0,03\u20130,05 \u03bcm. Canxi cacbonat d\u1ea1ng v\u1ea3y: k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh 1\u20133 \u03bcm.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

07 H\u01b0\u01a1ng v\u1ecb<\/h2>\n\n\n\n

PCC c\u00f3 v\u1ecb gi\u1ed1ng nh\u01b0 v\u00f4i do ph\u1ea3n \u1ee9ng kh\u00f4ng ho\u00e0n to\u00e0n c\u1ee7a canxi oxit. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong th\u1ef1c ph\u1ea9m nh\u01b0 b\u00e1nh quy, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra v\u1ecb kh\u00f3 ch\u1ecbu ho\u1eb7c g\u00e2y ngh\u1eb9t th\u1edf.
Ng\u01b0\u1ee3c l\u1ea1i, GCC kh\u00f4ng c\u00f3 h\u01b0\u01a1ng v\u1ecb n\u00e0y. <\/p>\n\n\n\n

08 K\u00edch th\u01b0\u1edbc h\u1ea1t<\/h2>\n\n\n\n

Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m GCC l\u00e0 0,5\u201345 \u03bcm. D\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh (d), ph\u00e2n lo\u1ea1i nh\u01b0 sau:
\u2022 Canxi cacbonat nghi\u1ec1n th\u00f4: d > 3 \u03bcm  
\u2022 Canxi cacbonat nghi\u1ec1n m\u1ecbn: d = 1\u20133 \u03bcm  
\u2022 Canxi cacbonat si\u00eau m\u1ecbn: d = 0,5\u20131 \u03bcm<\/p>\n\n\n\n

09 Th\u1ec3 t\u00edch l\u1eafng \u0111\u1ecdng<\/strong><\/h2>\n\n\n\n

Th\u1ec3 t\u00edch l\u1eafng l\u00e0 th\u1ec3 t\u00edch c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb kh\u1ed1i l\u01b0\u1ee3ng canxi cacbonat. Ph\u01b0\u01a1ng ph\u00e1p l\u00e0 l\u1eafc n\u00f3 trong 100 mL n\u01b0\u1edbc v\u00e0 \u0111\u1ec3 y\u00ean trong 3 gi\u1edd.
Th\u1ec3 t\u00edch l\u1eafng c\u00e0ng l\u1edbn th\u00ec k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng nh\u1ecf, m\u1eadt \u0111\u1ed9 c\u00e0ng th\u1ea5p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u00e0ng cao.<\/p>\n\n\n\n

GCC: 1,1\u20131,4 mL\/g<\/strong><\/p>\n\n\n\n

PCC: 2,4\u20132,8 mL\/g<\/strong><\/p>\n\n\n\n

Nano PCC: 3,0\u20134,0 mL\/g<\/strong><\/p>\n\n\n\n

B\u1ed9t s\u1eed thi<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa GCC v\u00e0 PCC k\u1ebft t\u1ee7a. L\u00e0 m\u1ed9t c\u00f4ng ty h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 b\u1ed9t, B\u1ed9t s\u1eed thi<\/a> Machinery cung c\u1ea5p c\u00e1c m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c hi\u1ec7u qu\u1ea3 v\u00e0 s\u00e1ng t\u1ea1o c\u00f9ng c\u00e1c thi\u1ebft b\u1ecb li\u00ean quan cho kh\u00e1ch h\u00e0ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. <\/p>\n\n\n\n

Cho d\u00f9 b\u1ea1n \u0111ang mu\u1ed1n n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m hay t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed s\u1ea3n xu\u1ea5t, ch\u00fang t\u00f4i \u0111\u1ec1u cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t cho nhu c\u1ea7u c\u1ee7a b\u1ea1n. <\/p>\n\n\n\n

If you have any questions about the production and application of calcium carbonate powders, please feel free to contact us.<\/p>\n\n\n\n

\n