{"id":28725,"date":"2019-07-31T20:49:00","date_gmt":"2019-07-31T13:49:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28725"},"modified":"2021-10-03T20:50:26","modified_gmt":"2021-10-03T13:50:26","slug":"mang-oxit-kim-loai-giai-phap-thay-the-tiet-kiem-nang-luong-de-tach-hoa-chat","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mang-oxit-kim-loai-giai-phap-thay-the-tiet-kiem-nang-luong-de-tach-hoa-chat\/","title":{"rendered":"M\u00e0ng oxit kim lo\u1ea1i &#8211; gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 t\u00e1ch h\u00f3a ch\u1ea5t"},"content":{"rendered":"\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t ti\u00eau th\u1ee5 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn n\u0103ng l\u01b0\u1ee3ng m\u1ed7i n\u0103m \u0111\u1ec3 t\u00e1ch v\u00e0 tinh ch\u1ebf nguy\u00ean li\u1ec7u ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m bao g\u1ed3m x\u0103ng, nh\u1ef1a v\u00e0 th\u1ef1c ph\u1ea9m. \u0110\u1ec3 gi\u1ea3m m\u1ee9c l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n cho ph\u00e2n t\u00e1ch h\u00f3a ch\u1ea5t, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Vi\u1ec7n C\u00f4ng ngh\u1ec7 Georgia \u0111ang nghi\u00ean c\u1ee9u c\u00e1c m\u00e0ng t\u00e1ch h\u00f3a ch\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn quy tr\u00ecnh ch\u01b0ng c\u1ea5t ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_7\/7_18.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>&#8220;<em>Ph\u1ea7n l\u1edbn ho\u1ea1t \u0111\u1ed9ng ph\u00e2n t\u00e1ch h\u00f3a ch\u1ea5t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u00e0 s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t nh\u01b0 ch\u01b0ng c\u1ea5t v\u00e0 do \u0111\u00f3, ch\u00fang ta ph\u1ea3i ti\u00eau t\u1ed1n m\u1ee9c n\u0103ng l\u01b0\u1ee3ng l\u1edbn cho c\u00e1c qu\u00e1 tr\u00ecnh ph\u00e2n t\u00e1ch n\u00e0y, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u1eeb 10 &#8211; 15% ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng to\u00e0n c\u1ea7u<\/em>\u201d. GS. Ryan Lively, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u n\u00f3i. &#8220;<em>Qu\u00e1 tr\u00ecnh ph\u00e2n t\u00e1ch h\u00f3a ch\u1ea5t s\u1eed d\u1ee5ng nhi\u1ec7t v\u00e0 s\u1ef1 thay \u0111\u1ed5i pha h\u00f3a h\u1ecdc (chemical phase) s\u1ebd t\u1ed1n \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 tr\u00ean th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ebfn 90% chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng<\/em>&#8220;.<\/p>\n\n\n\n<p>M\u00e0ng nh\u1ef1a \u0111\u00e3 t\u00e1ch c\u00e1c ph\u00e2n t\u1eed nh\u1ea5t \u0111\u1ecbnh d\u1ef1a theo k\u00edch th\u01b0\u1edbc v\u00e0 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t nh\u01b0 trong kh\u1eed m\u1eb7n n\u01b0\u1edbc bi\u1ec3n. Nh\u01b0ng cho \u0111\u1ebfn nay, h\u1ea7u h\u1ebft c\u00e1c m\u00e0ng kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c d\u00f2ng h\u00f3a ch\u1ea5t ch\u1ee9a nhi\u1ec1u dung m\u00f4i m\u1ea1nh trong khi c\u00f2n ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00e1ch kh\u00f3 kh\u0103n.<\/p>\n\n\n\n<p>Trong nghi\u00ean c\u1ee9u m\u1edbi, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1c th\u1ea3o m\u1ed9t quy tr\u00ecnh l\u1ea5y m\u00e0ng polyme v\u00e0 \u0111\u01b0a v\u00e0o m\u1ea1ng l\u01b0\u1edbi oxit kim lo\u1ea1i. M\u00e0ng polyme m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c dung m\u00f4i t\u1ed1t h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng t\u00e1ch h\u00f3a h\u1ecdc c\u0169ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1eed nghi\u1ec7m m\u00e0ng m\u1edbi trong c\u00e1c h\u00f3a ch\u1ea5t m\u1ea1nh nh\u01b0 tetrahydrofuran, dichloromethane v\u00e0 chloroform, dung m\u00f4i h\u1eefu c\u01a1 h\u00f2a tan m\u00e0ng polyme tinh khi\u1ebft trong v\u00e0i ph\u00fat. M\u00e0ng polyme v\u1eabn \u1ed5n \u0111\u1ecbnh v\u00e0i th\u00e1ng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng \u0111\u00e3 th\u1eed nghi\u1ec7m t\u00e1ch hai h\u00f3a ch\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc g\u1ea7n nh\u01b0 nhau. K\u1ebft qu\u1ea3 l\u00e0 m\u00e0ng c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c ph\u00e2n t\u1eed th\u01a1m c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau ch\u1ec9 kho\u1ea3ng 0,2 nanomet.<\/p>\n\n\n\n<p>Nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai v\u1ec1 lo\u1ea1i m\u00e0ng m\u1edbi s\u1ebd li\u00ean quan \u0111\u1ebfn vi\u1ec7c xem x\u00e9t c\u00e1ch tinh ch\u1ec9nh qu\u00e1 tr\u00ecnh \u0111\u01b0a oxit v\u00e0o v\u00e0 t\u1ea1o ra c\u00e1c lo\u1ea1i m\u00e0ng c\u00f3 kh\u1ea3 n\u0103ng t\u00e1ch nhi\u1ec1u lo\u1ea1i h\u00f3a ch\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t ti\u00eau th\u1ee5 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn n\u0103ng l\u01b0\u1ee3ng m\u1ed7i n\u0103m \u0111\u1ec3 t\u00e1ch v\u00e0 tinh ch\u1ebf nguy\u00ean li\u1ec7u ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m bao g\u1ed3m x\u0103ng, nh\u1ef1a v\u00e0 th\u1ef1c ph\u1ea9m. \u0110\u1ec3 gi\u1ea3m m\u1ee9c l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n cho ph\u00e2n t\u00e1ch h\u00f3a ch\u1ea5t, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Vi\u1ec7n [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28725","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28725"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28725\/revisions"}],"predecessor-version":[{"id":28728,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28725\/revisions\/28728"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}