{"id":119691,"date":"2022-11-16T09:59:55","date_gmt":"2022-11-16T01:59:55","guid":{"rendered":"https:\/\/www.alpapowder.com\/119691\/"},"modified":"2022-11-16T10:36:42","modified_gmt":"2022-11-16T02:36:42","slug":"cac-diem-ky-thuat-cua-viec-sua-doi-sac-to-canxi-cacbonat-hop-chat-trong-san-xuat-giay","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/119691\/","title":{"rendered":"C\u00e1c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a vi\u1ec7c s\u1eeda \u0111\u1ed5i s\u1eafc t\u1ed1 canxi cacbonat h\u1ee3p ch\u1ea5t trong s\u1ea3n xu\u1ea5t gi\u1ea5y"},"content":{"rendered":"

\"\"<\/p>\n

S\u1ea3n ph\u1ea9m h\u1ee3p ch\u1ea5t c\u1ee7a canxi cacbonat \u0111\u1ec3 l\u00e0m gi\u1ea5y th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ea3n ph\u1ea9m \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 l\u00e0m gi\u1ea5y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e0nh ph\u1ea7n canxi cacbonat (> 50%) v\u00e0 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi c\u00e1c lo\u1ea1i b\u1ed9t kho\u00e1ng t\u1ed5ng h\u1ee3p ho\u1eb7c t\u1ef1 nhi\u00ean kh\u00e1c theo m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh, bao g\u1ed3m c\u1ea3 s\u1ea3n ph\u1ea9m ch\u1ebf bi\u1ebfn h\u1ed7n h\u1ee3p PCC v\u00e0 GCC .<\/p>\n

V\u1ec1 c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn v\u00e0 c\u00f4ng ngh\u1ec7 \u1ee9ng d\u1ee5ng, v\u1ec1 nguy\u00ean t\u1eafc, b\u1ea5t k\u1ef3 lo\u1ea1i b\u1ed9t kho\u00e1ng t\u1ef1 nhi\u00ean ho\u1eb7c t\u1ed5ng h\u1ee3p v\u00e0 b\u1ed9t m\u00e0u t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1 n\u00e0o c\u00f3 \u0111\u1ed9 tr\u1eafng cao, chi ph\u00ed ch\u1ebf bi\u1ebfn th\u1ea5p, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m gi\u1ea5y th\u00ec \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u. cho c\u00e1c s\u1ea3n ph\u1ea9m h\u1ee3p ch\u1ea5t canxi cacbonat.<\/p>\n

Hi\u1ec7n t\u1ea1i, c\u00f3 h\u01a1n 20 lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u1ed9n c\u00e1c ch\u1ea5t m\u00e0u canxi cacbonat trong s\u1ea3n xu\u1ea5t gi\u1ea5y. L\u1ef1a ch\u1ecdn sai s\u1ebd c\u00f3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c l\u1edbn \u0111\u1ebfn \u1ee9ng d\u1ee5ng c\u1ee7a nh\u00e0 m\u00e1y gi\u1ea5y, ho\u1eb7c th\u1eadm ch\u00ed kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n

Vi\u1ec7c bi\u1ebfn t\u00ednh canxi cacbonat v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m h\u1ee3p ch\u1ea5t c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh bi\u1ebfn t\u00ednh kh\u00f4 v\u00e0 bi\u1ebfn t\u00ednh \u01b0\u1edbt theo c\u00e1c quy tr\u00ecnh kh\u00e1c nhau. Bi\u1ebfn t\u00ednh \u01b0\u1edbt ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi canxi cacbonat v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m b\u00f9n h\u1ed7n h\u1ee3p c\u1ee7a n\u00f3. Vi\u1ec7c s\u1eeda \u0111\u1ed5i PCC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m kh\u00f4, v\u00e0 n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi v\u1edbi qu\u00e1 tr\u00ecnh cacbon h\u00f3a. Vi\u1ec7c s\u1eeda \u0111\u1ed5i v\u1edbi GCC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn \u01b0\u1edbt ho\u1eb7c trong b\u1ec3 ch\u1ee9a s\u1ea3n ph\u1ea9m b\u00f9n ho\u1eb7c trong m\u00e1y xay qu\u1eb7ng.<\/p>\n

D\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng h\u00f2a tan d\u1ec5 d\u00e0ng c\u1ee7a canxi cacbonat trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m gi\u1ea5y c\u00f3 t\u00ednh axit v\u00e0 ki\u1ec1m y\u1ebfu, c\u00e1c mu\u1ed1i axit y\u1ebfu ho\u1eb7c c\u00e1c polyme h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i canxi cacbonat v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m h\u1ee3p ch\u1ea5t c\u1ee7a n\u00f3, nh\u1eb1m gi\u1ea3i quy\u1ebft ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n k\u00edch th\u01b0\u1edbc axit trong s\u1ea3n xu\u1ea5t gi\u1ea5y. Kh\u00f3 kh\u0103n v\u00e0 s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n canxi cacbonat d\u1ec5 g\u00e2y hi\u1ec7u \u1ee9ng “h\u00f3a \u0111en ki\u1ec1m s\u1ee3i” trong gi\u1ea5y c\u00f3 ch\u1ee9a b\u1ed9t gi\u1ea5y c\u01a1 h\u1ecdc trong \u0111i\u1ec1u ki\u1ec7n ki\u1ec1m.<\/p>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh kh\u00f4ng ch\u1ec9 c\u1ea7n xem x\u00e9t \u00e1i l\u1ef1c v\u00e0 kh\u1ea3 n\u0103ng tr\u1ed9n l\u1eabn c\u1ee7a ch\u1ea5t ho\u1ea1t h\u00f3a v\u1edbi canxi cacbonat v\u00e0 b\u1ed9t m\u00e0u ph\u00f9 h\u1ee3p c\u1ee7a n\u00f3, m\u00e0 c\u00f2n xem x\u00e9t kh\u1ea3 n\u0103ng tr\u1ed9n l\u1eabn c\u1ee7a c\u00e1c ch\u1ea5t tr\u1ee3 v\u00e0 c\u00e1c ch\u1ea5t tr\u1ee3 h\u00f3a h\u1ecdc kh\u00e1c \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed9t gi\u1ea5y, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi l\u1edbp ph\u1ee7. Hi\u1ec7u \u1ee9ng t\u01b0\u01a1ng th\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m canxi bi\u1ebfn t\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng v\u1edbi v\u1eadt li\u1ec7u \u0111\u1ecbnh c\u1ee1 v\u00e0 v\u1eadt li\u1ec7u ph\u1ee5 c\u1ee7a c\u00e1c l\u1edbp ph\u1ee7 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n t\u1ea1i, c\u00f3 h\u01a1n 20 lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u1ed9n c\u00e1c ch\u1ea5t m\u00e0u canxi cacbonat trong s\u1ea3n xu\u1ea5t gi\u1ea5y.<\/p>\n","protected":false},"author":7,"featured_media":119667,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-119691","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\/119691","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=119691"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/119691\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/119667"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=119691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=119691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=119691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}