{"id":118233,"date":"2022-08-07T09:32:58","date_gmt":"2022-08-07T01:32:58","guid":{"rendered":"https:\/\/www.alpapowder.com\/118233\/"},"modified":"2022-08-05T09:42:50","modified_gmt":"2022-08-05T01:42:50","slug":"quy-trinh-san-xuat-canxi-cacbonat-nano-hoat-tinh-cho-ong-pvc-hieu-suat-cao","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/118233\/","title":{"rendered":"Quy tr\u00ecnh s\u1ea3n xu\u1ea5t canxi cacbonat nano ho\u1ea1t t\u00ednh cho \u1ed1ng PVC hi\u1ec7u su\u1ea5t cao"},"content":{"rendered":"

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Canxi cacbonat nano ho\u1ea1t h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1ef1a, cao su v\u00e0 c\u00e1c v\u1eadt li\u1ec7u polyme kh\u00e1c \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y v\u00e0 gia c\u1ed1, \u0111\u1ed3ng th\u1eddi \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m, t\u0103ng l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7u su\u1ea5t kh\u00f4ng thay \u0111\u1ed5i, gi\u1ea3m gi\u00e1 th\u00e0nh t\u1ed5ng th\u1ec3 c\u1ee7a s\u1ea3n ph\u1ea9m, v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. kh\u1ea3 n\u0103ng c\u1ea1nh tranh tr\u00ean th\u1ecb tr\u01b0\u1eddng. V\u00ec v\u1eady, nano canxi cacbonat ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nh\u1ef1a, cao su, ch\u1ea5t k\u1ebft d\u00ednh, m\u1ef1c in v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c s\u1ea3n ph\u1ea9m polyvinyl clorua (PVC) v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t.<\/p>\n

\u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1ea3n xu\u1ea5t \u1ed1ng nh\u1ef1a PVC c\u00f3 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao, Xie Zhong et al. \u0111\u00e3 s\u1eed d\u1ee5ng \u0111\u00e1 v\u00f4i l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 t\u1ea1o ra v\u00f4i b\u1eb1ng c\u00e1ch nung v\u00e0 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p cacbon h\u00f3a li\u00ean t\u1ee5c th\u00e1p \u0111\u00f4i \u0111\u1ec3 s\u1ea3n xu\u1ea5t canxi cacbonat nano. Ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t bao g\u1ed3m ch\u1ea5t k\u1ebft n\u1ed1i v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ho\u1ea1t h\u00f3a canxi cacbonat, v\u00e0 canxi cacbonat ho\u1ea1t h\u00f3a nanomet c\u00f3 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p, hi\u1ec7u su\u1ea5t x\u1eed l\u00fd t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb.<\/p>\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t canxi nano ho\u1ea1t t\u00ednh<\/p>\n

S\u1eed d\u1ee5ng \u0111\u00e1 v\u00f4i l\u00e0m nguy\u00ean li\u1ec7u th\u00f4, n\u00f3 \u0111\u01b0\u1ee3c nung \u0111\u1ec3 t\u1ea1o ra v\u00f4i s\u1ed1ng CaO v\u00e0 CO2. CaO tan trong n\u01b0\u1edbc v\u00f4i t\u00f4i Ca (OH) 2. Th\u00eam ch\u1ea5t ki\u1ec3m so\u00e1t d\u1ea1ng tinh th\u1ec3 v\u00e0o n\u01b0\u1edbc v\u00f4i t\u00f4i Ca (OH) 2, v\u00e0 ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Sau khi khu\u1ea5y, kh\u00ed th\u1ea3i l\u00f2 nung (CO2) \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o, v\u00e0 ph\u1ea3n \u1ee9ng t\u1ea1o ra nano canxi cacbonat (cacbon h\u00f3a).<\/p>\n

B\u00f9n canxi cacbonat k\u00edch th\u01b0\u1edbc nano \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ebfn m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a (ho\u1ea1t h\u00f3a) b\u1eb1ng c\u00e1ch th\u00eam ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t, v\u00e0 sau \u0111\u00f3 n\u01b0\u1edbc trong b\u00e1nh l\u1ecdc \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1eb1ng m\u00e1y \u00e9p l\u1ecdc, v\u00e0 sau \u0111\u00f3 canxi cacbonat k\u00edch ho\u1ea1t k\u00edch th\u01b0\u1edbc nano thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch l\u00e0m kh\u00f4 kh\u00f4ng kh\u00ed. , ph\u00e2n lo\u1ea1i v\u00e0 s\u00e0ng l\u1ecdc.<\/p>\n

Qu\u00e1 tr\u00ecnh cacbon h\u00f3a: \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p cacbon h\u00f3a li\u00ean t\u1ee5c th\u00e1p \u0111\u00f4i, th\u00e1p ph\u1ea3n l\u1ef1c th\u1ee9 nh\u1ea5t, th\u00e1p b\u1ecdt kh\u00ed th\u1ee9 hai, th\u1ec3 t\u00edch hi\u1ec7u d\u1ee5ng c\u1ee7a m\u1ed7i th\u00e1p l\u00e0 30m3. Th\u00eam b\u00f9n Ca (OH) 2 (kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang: 1,05), nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u00f9n l\u00e0 15 ~ 25 \u2103, th\u00eam ch\u1ea5t ki\u1ec3m so\u00e1t tinh th\u1ec3 0,2% ~ 0,8% (t\u00ednh tr\u00ean c\u01a1 s\u1edf Ca (OH) 2 kh\u00f4), \u0111\u1ea1t CO2, CO2 ki\u1ec3m so\u00e1t N\u1ed3ng \u0111\u1ed9 l\u00e0 30%, th\u1eddi gian ph\u1ea3n \u1ee9ng cacbon h\u00f3a l\u00e0 130 ph\u00fat, nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m cu\u1ed1i c\u1ee7a ph\u1ea3n \u1ee9ng cacbon h\u00f3a l\u00e0 \u226455 \u2103, gi\u00e1 tr\u1ecb pH l\u00e0 8,0 v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang c\u1ee7a \u0111\u1ed9 tho\u00e1ng kh\u00ed l\u00e0 \u22659,5m2 \/ g. N\u1ebfu n\u1ed3ng \u0111\u1ed9 Ca (OH) 2 kh\u00f4 qu\u00e1 cao, \u0111\u1ed9 nh\u1edbt c\u1ee7a b\u00f9n s\u1ebd t\u0103ng l\u00ean, hi\u1ec7n t\u01b0\u1ee3ng tr\u00e1ng ph\u1ee7 nghi\u00eam tr\u1ecdng v\u00e0 c\u00e1c h\u1ea1t canxi cacbonat d\u1ec5 k\u1ebft t\u1ee5 th\u00e0nh c\u00e1c h\u1ea1t l\u1edbn, v\u00e0 c\u00e1c h\u1ea1t canxi cacbonat b\u1ecb l\u1eabn v\u00e0o Ca (OH) 2, kich thch Ca (OH) 2 N\u1ed3ng \u0111\u1ed9 baz\u01a1 kh\u1ed1i l\u01b0\u1ee3ng t\u1eeb 5% \u0111\u1ebfn 10% l\u00e0 th\u00edch h\u1ee3p.<\/p>\n

Ch\u1ea5t ho\u1ea1t h\u00f3a: Ch\u1ea5t ho\u1ea1t h\u00f3a th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t) ch\u1ee7 y\u1ebfu bao g\u1ed3m ch\u1ea5t x\u1eed l\u00fd v\u00f4 c\u01a1, axit b\u00e9o v\u00e0 c\u00e1c d\u1eabn xu\u1ea5t c\u1ee7a ch\u00fang, axit nh\u1ef1a, ch\u1ea5t k\u1ebft n\u1ed1i, h\u1ee3p ch\u1ea5t polyme v\u00e0 d\u1ea7u th\u1ef1c v\u1eadt. C\u00e1c s\u1ea3n ph\u1ea9m canxi cacbonat ho\u1ea1t t\u00ednh cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau ch\u1ee7 y\u1ebfu kh\u00e1c v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t kh\u00e1c nhau. Sau khi l\u1ef1a ch\u1ecdn c\u00e1c gi\u1ed1ng t\u00e1c nh\u00e2n ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a t\u1ef7 l\u1ec7, b\u1ed1n lo\u1ea1i ch\u1ea5t bao g\u1ed3m axit b\u00e9o, d\u1ea7u th\u1ef1c v\u1eadt, ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t kh\u00f4ng ion v\u00e0 ch\u1ea5t k\u1ebft n\u1ed1i cu\u1ed1i c\u00f9ng \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn, v\u00e0 t\u1ef7 l\u1ec7 l\u00e0 3: 2: 1: 0,5.<\/p>\n

Qu\u00e1 tr\u00ecnh ho\u1ea1t h\u00f3a: Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t 3 b\u01b0\u1edbc \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, 3 ch\u1ea5t ho\u1ea1t h\u00f3a kh\u00e1c nhau \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t trong 3 l\u1ea7n, b\u00f9n CaCO3 (3.0t d\u1ef1a tr\u00ean c\u01a1 s\u1edf CaCO3 kh\u00f4) \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o b\u1ec3 ho\u1ea1t h\u00f3a 30m3, m\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng, t\u1ed1c \u0111\u1ed9 280r \/ min, v\u00e0 sau \u0111\u00f3 Th\u00eam ch\u1ea5t ho\u1ea1t h\u00f3a \u0111\u1ec3 k\u00edch ho\u1ea1t, th\u00eam dung d\u1ecbch axit b\u00e9o x\u00e0 ph\u00f2ng h\u00f3a, khu\u1ea5y trong 1 gi\u1edd, v\u00e0 ho\u00e0n th\u00e0nh b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean c\u1ee7a qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t. Sau \u0111\u00f3, d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 nh\u0169 t\u01b0\u01a1ng v\u00e0 dung d\u1ecbch monoglycerid \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u00e0 khu\u1ea5y trong 1 gi\u1edd \u0111\u1ec3 ho\u00e0n th\u00e0nh b\u01b0\u1edbc th\u1ee9 hai c\u1ee7a qu\u00e1 tr\u00ecnh ho\u1ea1t h\u00f3a. Sau \u0111\u00f3 th\u00eam dung d\u1ecbch ch\u1ea5t k\u1ebft n\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u0169 t\u01b0\u01a1ng h\u00f3a v\u00e0 khu\u1ea5y trong 1 h \u0111\u1ec3 ho\u00e0n th\u00e0nh b\u01b0\u1edbc k\u00edch ho\u1ea1t th\u1ee9 ba.<\/p>\n

Canxi cacbonat nano ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p, hi\u1ec7u su\u1ea5t x\u1eed l\u00fd t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t l\u00e0m \u0111\u1ea7y v\u00e0 gia c\u1ed1 trong s\u1ea3n xu\u1ea5t \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC. , T\u1ed1c \u0111\u1ed9 r\u00fat \u1ed1ng theo chi\u1ec1u d\u1ecdc, ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c t\u1ed1t h\u01a1n ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u1ec1 \u1ed1ng PVC. M\u1ed9t xe t\u1ea3i tr\u1ecdng 30 t\u1ea5n b\u1ecb \u00e9p \u1ed1ng tho\u00e1t n\u01b0\u1edbc, \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u1eabn \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c l\u1ea1i h\u00ecnh d\u00e1ng ban \u0111\u1ea7u, s\u1ea3n ph\u1ea9m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 tuy\u1ec7t v\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"

Canxi cacbonat nano ho\u1ea1t h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1ef1a, cao su v\u00e0 c\u00e1c v\u1eadt li\u1ec7u polyme kh\u00e1c \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y v\u00e0 gia c\u1ed1, \u0111\u1ed3ng th\u1eddi \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m, t\u0103ng l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7u su\u1ea5t kh\u00f4ng thay \u0111\u1ed5i, gi\u1ea3m gi\u00e1 th\u00e0nh t\u1ed5ng th\u1ec3 c\u1ee7a s\u1ea3n ph\u1ea9m, v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. kh\u1ea3 n\u0103ng c\u1ea1nh tranh tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n","protected":false},"author":7,"featured_media":118209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-118233","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\/118233","targetHints":{"allow":["GET"]}}],"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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=118233"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/118233\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/118209"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=118233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=118233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=118233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}