{"id":28799,"date":"2019-08-05T21:22:00","date_gmt":"2019-08-05T14:22:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28799"},"modified":"2021-10-03T21:23:17","modified_gmt":"2021-10-03T14:23:17","slug":"mang-the-he-moi-thu-giu-cacbon","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mang-the-he-moi-thu-giu-cacbon\/","title":{"rendered":"M\u00e0ng th\u1ebf h\u1ec7 m\u1edbi thu gi\u1eef cacbon"},"content":{"rendered":"\n<p>Kh\u00ed nh\u00e0 k\u00ednh CO2 t\u1eeb ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed1t nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch v\u1eabn ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u1ea3i v\u00e0o kh\u00ed quy\u1ec3n, l\u00e0m t\u0103ng t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3ng l\u00ean to\u00e0n c\u1ea7u. Thu gi\u1eef CO2 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m t\u00ecnh tr\u1ea1ng n\u00e0y: k\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc lo\u1ea1i b\u1ecf CO2 ra kh\u1ecfi kh\u00ed th\u1ea3i v\u00e0 ng\u0103n CO2 bay v\u00e0o kh\u00ed quy\u1ec3n. Sau \u0111\u00f3, c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf ho\u1eb7c l\u01b0u tr\u1eef CO2 thu \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng kh\u00ed ho\u1eb7c l\u1ecfng trong quy tr\u00ecnh c\u00f4 l\u1eadp.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_8\/05\/9.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Cacbon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu gi\u1eef b\u1eb1ng &#8220;<em>m\u00e0ng hi\u1ec7u su\u1ea5t cao<\/em>&#8220;, l\u00e0 c\u00e1c b\u1ed9 l\u1ecdc polyme \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf CO2 t\u1eeb h\u1ed7n h\u1ee3p kh\u00ed nh\u01b0 c\u00e1c kh\u00ed tho\u00e1t ra t\u1eeb \u1ed1ng kh\u00f3i nh\u00e0 m\u00e1y. Lo\u1ea1i m\u00e0ng n\u00e0y th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, kh\u00f4ng s\u1ea3n sinh ch\u1ea5t th\u1ea3i, t\u0103ng c\u01b0\u1eddng c\u00e1c qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo h\u00ecnh th\u1ee9c phi t\u1eadp trung. Tr\u00ean th\u1ef1c t\u1ebf, m\u00e0ng hi\u1ec7u su\u1ea5t cao hi\u1ec7n \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t trong nh\u1eefng con \u0111\u01b0\u1eddng gi\u1ea3m kh\u00ed th\u1ea3i CO2 c\u00f3 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng K\u1ef9 thu\u1eadt li\u00ean bang th\u1ee5y S\u1ef9 (EPFL) do Kumar Varoon Agrawal d\u1eabn \u0111\u1ea7u, hi\u1ec7n \u0111\u00e3 t\u1ea1o ra \u0111\u01b0\u1ee3c lo\u1ea1i m\u00e0ng hi\u1ec7u su\u1ea5t cao m\u1edbi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau thu gi\u1eef cacbon sau khi \u0111\u1ed1t ch\u00e1y. Lo\u1ea1i m\u00e0ng n\u00e0y d\u1ef1a v\u00e0o graphene m\u1ed9t l\u1edbp v\u1edbi l\u1edbp ch\u1ecdn l\u1ecdc m\u1ecfng h\u01a1n 20nm v\u00e0 d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 m\u1edf \u0111\u01b0\u1eddng \u0111\u1ec3 t\u1ea1o ra m\u00e0ng hi\u1ec7u su\u1ea5t cao th\u1ebf h\u1ec7 m\u1edbi cho m\u1ed9t s\u1ed1 kh\u00e2u ph\u00e2n t\u00e1ch quan tr\u1ecdng.<\/p>\n\n\n\n<p>C\u00e1c m\u00e0ng hi\u1ec7n c\u00f3 c\u1ea7n ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u01a1n 1.000 \u0111\u01a1n v\u1ecb th\u1ea9m th\u1ea5u kh\u00ed (GPU) v\u00e0 c\u00f3 &#8220;<em>h\u1ec7 s\u1ed1 t\u00e1ch CO2\/N2<\/em>&#8221; tr\u00ean 20 &#8211; th\u01b0\u1edbc \u0111o kh\u1ea3 n\u0103ng thu gi\u1eef cacbon c\u1ee7a m\u00e0ng. Lo\u1ea1i m\u00e0ng m\u1edbi \u0111\u1ea1t 6.180 GPU v\u1edbi h\u1ec7 s\u1ed1 t\u00e1ch l\u00e0 22,5, g\u1ea5p 6 l\u1ea7n lo\u1ea1i m\u00e0ng c\u0169. GPU \u0111\u00e3 t\u0103ng l\u00ean \u0111\u1ebfn 11.790 khi c\u00e1c nh\u00e0 khoa h\u1ecdc k\u1ebft h\u1ee3p \u0111\u1ed9 x\u1ed1p c\u1ee7a graphene t\u1ed1i \u01b0u, k\u00edch th\u01b0\u1edbc l\u1ed7 v\u00e0 c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng (c\u00e1c nh\u00f3m h\u00f3a h\u1ecdc ph\u1ea3n \u1ee9ng v\u1edbi CO2), trong khi c\u00e1c m\u00e0ng kh\u00e1c \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 h\u1ec7 s\u1ed1 t\u00e1ch l\u00ean t\u1edbi 57,2.<\/p>\n\n\n\n<p>Agrawal cho r\u1eb1ng: &#8220;<em>Ch\u1ee9c n\u0103ng h\u00f3a c\u00e1c chu\u1ed7i polyme ch\u1ecdn l\u1ecdc CO2 tr\u00ean graphene l\u1ed7 nano cho ph\u00e9p ch\u00fang ta ch\u1ebf t\u1ea1o m\u00e0ng ch\u1ecdn l\u1ecdc CO2, d\u00e0y c\u1ee1 nanomet. B\u1ea3n ch\u1ea5t hai chi\u1ec1u c\u1ee7a m\u00e0ng n\u00e0y l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 th\u1ea9m th\u1ea5u CO2, l\u00e0m cho m\u00e0ng h\u1ea5p d\u1eabn h\u01a1n \u0111\u1ed1i v\u1edbi vi\u1ec7c thu gi\u1eef cacbon<\/em>&#8220;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kh\u00ed nh\u00e0 k\u00ednh CO2 t\u1eeb ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed1t nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch v\u1eabn ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u1ea3i v\u00e0o kh\u00ed quy\u1ec3n, l\u00e0m t\u0103ng t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3ng l\u00ean to\u00e0n c\u1ea7u. Thu gi\u1eef CO2 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m t\u00ecnh tr\u1ea1ng n\u00e0y: k\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc lo\u1ea1i b\u1ecf CO2 ra kh\u1ecfi kh\u00ed th\u1ea3i v\u00e0 ng\u0103n [&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-28799","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\/28799","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=28799"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28799\/revisions"}],"predecessor-version":[{"id":28800,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28799\/revisions\/28800"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}