{"id":3489,"date":"2025-09-02T11:56:13","date_gmt":"2025-09-02T03:56:13","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3489"},"modified":"2025-09-02T11:56:17","modified_gmt":"2025-09-02T03:56:17","slug":"applications-and-preparation-techniques-of-porous-calcium-carbonate-caco%e2%82%83-particles","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/vi\/applications-and-preparation-techniques-of-porous-calcium-carbonate-caco%e2%82%83-particles\/","title":{"rendered":"\u1ee8ng d\u1ee5ng v\u00e0 k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf h\u1ea1t canxi cacbonat x\u1ed1p (CaCO\u2083)"},"content":{"rendered":"

X\u1ed1p canxi cacbonat<\/a> C\u00e1c h\u1ea1t vi m\u00f4 (CaCO\u2083) \u0111\u00e3 thu h\u00fat \u0111\u01b0\u1ee3c s\u1ef1 ch\u00fa \u00fd \u0111\u00e1ng k\u1ec3 do \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i c\u1ee7a ch\u00fang trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 ph\u00e2n t\u00edch s\u1eafc k\u00fd, t\u1ea3i c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed sinh h\u1ecdc, gi\u1ea3i ph\u00f3ng d\u01b0\u1ee3c ph\u1ea9m, kho\u00e1ng ch\u1ea5t m\u00f4 ph\u1ecfng sinh h\u1ecdc v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c b\u1ec1 m\u1eb7t si\u00eau k\u1ef5 n\u01b0\u1edbc.<\/p>\n\n\n\n

K\u1ef9 thu\u1eadt chu\u1ea9n b\u1ecb cho Canxi cacbonat x\u1ed1p<\/a><\/h2>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p khu\u00f4n m\u1eabu \u0111\u00e3 tr\u1edf th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p ch\u1ee7 \u0111\u1ea1o \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf canxi cacbonat x\u1ed1p. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, polyme v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n th\u1ef1c v\u1eadt t\u1ef1 nhi\u00ean l\u00e0m khu\u00f4n m\u1eabu. Theo th\u1eddi gian, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed3ng k\u1ebft t\u1ee7a, ph\u01b0\u01a1ng ph\u00e1p m\u00e0ng nh\u0169 t\u01b0\u01a1ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p dung m\u00f4i\/th\u1ee7y nhi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n, m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 ph\u1ea1m vi k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf. Trong s\u1ed1 \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p khu\u00f4n m\u1eabu l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 \u0111\u00e3 ho\u00e0n thi\u1ec7n v\u1ec1 m\u1eb7t c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n bao g\u1ed3m vi\u1ec7c ph\u1ee7 canxi cacbonat l\u00ean t\u00e1c nh\u00e2n t\u1ea1o khu\u00f4n \u0111\u00e3 ch\u1ecdn, t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac l\u00f5i-v\u1ecf. Khu\u00f4n sau \u0111\u00f3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf th\u00f4ng qua qu\u00e1 tr\u00ecnh h\u00f2a tan dung m\u00f4i, nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, \u0111\u1ec3 l\u1ea1i c\u00e1c h\u1ea1t r\u1ed7ng. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o khu\u00f4n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh khu\u00f4n m\u1ec1m v\u00e0 khu\u00f4n c\u1ee9ng, trong \u0111\u00f3 khu\u00f4n m\u1ec1m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn h\u01a1n trong ch\u1ebf t\u1ea1o canxi cacbonat x\u1ed1p. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o khu\u00f4n m\u1ec1m th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c ph\u00e2n t\u1eed nh\u1ecf nh\u01b0 ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, c\u0169ng nh\u01b0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ho\u1eb7c polyme l\u1edbn l\u00e0m khu\u00f4n.<\/p>\n\n\n\n

CaCO\u2083 x\u1ed1p \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p khu\u00f4n m\u1ec1m th\u01b0\u1eddng c\u00f3 h\u00ecnh d\u1ea1ng nh\u01b0 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng ho\u1eb7c h\u00ecnh c\u1ea7u. H\u1ea7u h\u1ebft c\u00e1c h\u1ea1t n\u00e0y \u0111\u1ec1u c\u00f3 c\u1ea5u tr\u00fac l\u1ed7 s\u00e2u, v\u00e0 b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng c\u00e1c t\u00e1c nh\u00e2n khu\u00f4n m\u1eabu c\u00f2n s\u00f3t l\u1ea1i ho\u1eb7c c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

\"\u1ea2nh<\/figure>\n\n\n\n

Ki\u1ec3m so\u00e1t \u0111\u1ed9 x\u1ed1p v\u00e0 h\u00ecnh th\u00e1i c\u1ee7a canxi cacbonat<\/h2>\n\n\n\n

Tr\u1ecdng t\u00e2m nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c ch\u1ebf t\u1ea1o h\u1ea1t CaCO\u2083 x\u1ed1p l\u00e0 ki\u1ec3m so\u00e1t h\u00ecnh th\u00e1i v\u00e0 c\u01a1 ch\u1ebf h\u00ecnh th\u00e0nh h\u1ea1t. Vi\u1ec7c ki\u1ec3m so\u00e1t h\u00ecnh th\u00e1i ch\u1ee7 y\u1ebfu \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3. Nhi\u1ec1u lo\u1ea1i ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, bao g\u1ed3m c\u00e1c ph\u00e2n t\u1eed nh\u1ecf nh\u01b0 axit L-aspartic anion v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia polyme nh\u01b0 polystyrene sulfonat anion (PSS), polyethylene glycol kh\u00f4ng ion (PVA), polyacrylamide (PAM), polyethylene oxide (PEO) v\u00e0 copolymer kh\u1ed1i l\u01b0\u1ee1ng t\u00ednh (DHBC). Ngo\u00e0i ra, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t ph\u1ee9c t\u1ea1p nh\u01b0 natri dodecyl sulfat (SDS) v\u00e0 copolymer kh\u1ed1i ba kh\u1ed1i PEO-PPO-PEO c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u1ee7a CaCO\u2083 x\u1ed1p<\/h2>\n\n\n\n

C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a x\u1ed1p canxi cacbonat<\/a> ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac v\u00e0 d\u1ea1ng tinh th\u1ec3 c\u1ee7a n\u00f3. Do \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u01a1 ch\u1ebf \u0111i\u1ec1u ch\u1ebf \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u00f3ng trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3.<\/p>\n\n\n\n

Nh\u00e0 cung c\u1ea5p d\u01b0\u1ee3c ph\u1ea9m<\/h3>\n\n\n\n

Canxi cacbonat x\u1ed1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u mang d\u01b0\u1ee3c ph\u1ea9m. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3i d\u01b0\u1ee3c ph\u1ea9m cao v\u00e0 hi\u1ec7u su\u1ea5t gi\u1ea3i ph\u00f3ng d\u01b0\u1ee3c ph\u1ea9m t\u1ed1t. \u0110\u1eb7c bi\u1ec7t, khi v\u1eadt li\u1ec7u v\u1ecf ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c bao b\u1ecdc xung quanh CaCO\u2083 x\u1ed1p, n\u00f3 c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 gi\u1ea3i ph\u00f3ng d\u01b0\u1ee3c ph\u1ea9m \u0111\u1ed9t ng\u1ed9t v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 gi\u1ea3i ph\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t v\u1edbi nhi\u1ec1u ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u pin<\/h3>\n\n\n\n
\"pin<\/figure>\n\n\n\n

B\u1eb1ng c\u00e1ch n\u1ea1p ion lithium v\u00e0o CaCO\u2083, canxi cacbonat x\u1ed1p c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng ion lithium v\u00e0o ch\u1ea5t \u0111i\u1ec7n ph\u00e2n khi c\u00e1c ion lithium ho\u1ea1t \u0111\u1ed9ng b\u1ecb ti\u00eau th\u1ee5. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ban \u0111\u1ea7u v\u00e0 tu\u1ed5i th\u1ecd chu k\u1ef3 c\u1ee7a pin lithium. Ngo\u00e0i ra, nano-canxi cacbonat c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 nh\u01b0 HF trong ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, gi\u1ea3m \u0111\u1ed9 axit v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd pin. Quy tr\u00ecnh n\u1ea1p lithium n\u00e0y \u0111\u01a1n gi\u1ea3n, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 \u0111\u1ec3 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u nh\u1ef1a<\/h3>\n\n\n\n

Canxi cacbonat x\u1ed1p c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong nh\u1ef1a. N\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ed9n \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 quang h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u, v\u00e0 l\u00e0 t\u00e1c nh\u00e2n t\u1ea1o h\u1ea1t \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng gia c\u00f4ng.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5<\/h3>\n\n\n\n

Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang v\u00e0 \u0111\u1ed9 x\u1ed1p cao c\u1ee7a canxi cacbonat x\u1ed1p khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ch\u1ea5t h\u1ea5p ph\u1ee5 tuy\u1ec7t v\u1eddi. V\u00ed d\u1ee5, aerogel t\u1ed5ng h\u1ee3p g\u1ed1c cellulose, k\u1ebft h\u1ee3p v\u1edbi CaCO\u2083 x\u1ed1p v\u00e0 natri alginate, c\u00f3 hi\u1ec7u qu\u1ea3 h\u1ea5p ph\u1ee5 formaldehyde. C\u00e1c aerogel \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o c\u00f3 nhi\u1ec1u l\u1ed7 x\u1ed1p mesopore v\u00e0 macropore, \u0111\u1ea1t kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 formaldehyde cao l\u00ean \u0111\u1ebfn 1105mg\/g.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u k\u1ebft d\u00ednh<\/h3>\n\n\n\n

Canxi cacbonat x\u1ed1p bi\u1ebfn t\u00ednh s\u1eed d\u1ee5ng ch\u1ea5t li\u00ean k\u1ebft phenylsilane c\u00f3 th\u1ec3 n\u1ea1p ch\u1ea5t \u0111\u00f3ng r\u1eafn v\u1edbi l\u01b0\u1ee3ng t\u1eeb 18 \u0111\u1ebfn 30 ph\u1ea7n. L\u01b0\u1ee3ng ch\u1ea5t \u0111\u00f3ng r\u1eafn cao n\u00e0y mang l\u1ea1i \u0111\u1ed9 b\u00e1m d\u00ednh m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng kh\u00e1ng dung m\u00f4i, \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p \u0111\u1ec3 li\u00ean k\u1ebft m\u00e0ng polyimide v\u00e0 l\u01b0\u1edbi kim lo\u1ea1i \u0111\u1ec3 chu\u1ea9n b\u1ecb b\u1ea3n in l\u01b0\u1edbi.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u trang tr\u00ed t\u1eeb gi\u1ea5y<\/h3>\n\n\n\n

Canxi cacbonat x\u1ed1p ch\u1ee9a titan dioxit \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00e0nh c\u00f4ng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u trang tr\u00ed l\u00e0m t\u1eeb gi\u1ea5y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n

C\u1ea3m bi\u1ebfn sinh h\u1ecdc<\/h3>\n\n\n\n

C\u1ea3m bi\u1ebfn sinh h\u1ecdc cung c\u1ea5p kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch nhanh, \u1edf c\u1ea5p \u0111\u1ed9 v\u1ebft t\u00edch ph\u00e2n t\u1eed. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u1ea9n \u0111o\u00e1n l\u00e2m s\u00e0ng, ki\u1ec3m so\u00e1t c\u00f4ng nghi\u1ec7p, ph\u00e2n t\u00edch th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 sinh h\u1ecdc.<\/p>\n\n\n\n

Ph\u1ee5 gia m\u1eb7t \u0111\u01b0\u1eddng nh\u1ef1a<\/h3>\n\n\n\n

Ph\u1ee5 gia cho v\u1eadt li\u1ec7u m\u1eb7t \u0111\u01b0\u1eddng nh\u1ef1a, bao g\u1ed3m nh\u1ef1a \u0111\u01b0\u1eddng t\u1ef1 ph\u1ee5c h\u1ed3i, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch pha tr\u1ed9n c\u00e1c vi nang bi\u1ebfn t\u00ednh b\u1eb1ng nano b\u1ea1c, ch\u1ea5t ph\u1ee5c h\u1ed3i nh\u1ef1a \u0111\u01b0\u1eddng v\u00e0 canxi cacbonat x\u1ed1p. C\u00e1c ch\u1ea5t ph\u1ee5 gia n\u00e0y gi\u1ea3i ph\u00f3ng ch\u1eadm c\u00e1c ch\u1ea5t ph\u1ee5c h\u1ed3i \u0111\u1ec3 b\u1ed5 sung c\u00e1c th\u00e0nh ph\u1ea7n th\u01a1m b\u1ecb m\u1ea5t trong nh\u1ef1a \u0111\u01b0\u1eddng, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a v\u00e0 n\u1ee9t n\u1ebb. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng t\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a \u0111\u01b0\u1eddng nh\u1ef1a.<\/p>\n\n\n\n

G\u1ed1m sinh h\u1ecdc<\/h3>\n\n\n\n

Canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong sinh h\u1ecdc v\u00e0 y h\u1ecdc nh\u1edd t\u00ednh d\u1eabn x\u01b0\u01a1ng, t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y tuy\u1ec7t v\u1eddi. Canxi cacbonat x\u1ed1p, v\u1edbi \u0111\u1ed9 x\u1ed1p, k\u00edch th\u01b0\u1edbc l\u1ed7 r\u1ed7ng v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i t\u1ed1t, mang l\u1ea1i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u th\u00f4ng th\u01b0\u1eddng, h\u1ed7 tr\u1ee3 t\u00e1i t\u1ea1o v\u00e0 s\u1eeda ch\u1eefa x\u01b0\u01a1ng. Trong c\u00e1c \u1ee9ng d\u1ee5ng l\u00e2m s\u00e0ng, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eeda ch\u1eefa khuy\u1ebft t\u1eadt x\u01b0\u01a1ng trong ch\u1ec9nh h\u00ecnh v\u00e0 ph\u1eabu thu\u1eadt mi\u1ec7ng v\u00e0 h\u00e0m m\u1eb7t v\u1edbi k\u1ebft qu\u1ea3 tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/h2>\n\n\n\n
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