{"id":28871,"date":"2019-08-21T22:29:00","date_gmt":"2019-08-21T15:29:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28871"},"modified":"2021-10-03T22:30:19","modified_gmt":"2021-10-03T15:30:19","slug":"ky-thuat-san-xuat-mang-loc-va-khu-man-hieu-qua-the-he-moi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/ky-thuat-san-xuat-mang-loc-va-khu-man-hieu-qua-the-he-moi\/","title":{"rendered":"K\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t m\u00e0ng l\u1ecdc v\u00e0 kh\u1eed m\u1eb7n hi\u1ec7u qu\u1ea3 th\u1ebf h\u1ec7 m\u1edbi"},"content":{"rendered":"\n

S\u1ea3n xu\u1ea5t n\u01b0\u1edbc u\u1ed1ng t\u1eeb n\u01b0\u1edbc bi\u1ec3n, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i v\u00e0 th\u1ea9m t\u00e1ch ch\u1ec9 l\u00e0 m\u1ed9t v\u00e0i quy tr\u00ecnh quan tr\u1ecdng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u1ecdc b\u1eb1ng m\u00e0ng. Ch\u00eca kh\u00f3a c\u1ee7a quy tr\u00ecnh l\u00e0 m\u00e0ng l\u1ecdc – l\u1edbp m\u00e0ng m\u1ecfng, b\u00e1n x\u1ed1p cho ph\u00e9p m\u1ed9t s\u1ed1 ch\u1ea5t nh\u01b0 n\u01b0\u1edbc \u0111i qua trong khi t\u00e1ch ra c\u00e1c ch\u1ea5t kh\u00f4ng mong mu\u1ed1n kh\u00e1c. Nh\u01b0ng trong 30 n\u0103m qua, c\u00e1c v\u1eadt li\u1ec7u  t\u1ea1o n\u00ean nh\u1eefng l\u1edbp ch\u00ednh c\u1ee7a m\u00e0ng l\u1ecdc \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u01b0\u01a1ng m\u1ea1i hi\u1ec7n nay kh\u00f4ng c\u00f3 nh\u1eefng c\u1ea3i ti\u1ebfn l\u1edbn.<\/p>\n\n\n\n

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

Gi\u1edd \u0111\u00e2y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc California, Los Angeles (UCLA) \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ef9 thu\u1eadt m\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 T-FLO \u0111\u1ec3 ch\u1ebf t\u1ea1o m\u00e0ng l\u1ecdc. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o m\u00e0ng hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n nh\u1edd s\u1eed d\u1ee5ng nh\u1ef1a hi\u1ec7u su\u1ea5t cao, khung kim lo\u1ea1i h\u1eefu c\u01a1 v\u00e0 v\u1eadt li\u1ec7u cacbon. Cho \u0111\u1ebfn nay, nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 m\u00e0ng l\u1ecdc \u0111\u00e3 khi\u1ebfn cho c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3 tr\u1edf n\u00ean kh\u00f4ng kh\u1ea3 thi trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nano Letters<\/em>.<\/p>\n\n\n\n

“R\u1ea5t nhi\u1ec1u v\u1eadt li\u1ec7u b\u00ean ngo\u00e0i ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 l\u1ecdc hi\u1ec7u qu\u1ea3, nh\u01b0ng kh\u00f4ng th\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4<\/em>“, Richard Kaner, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u n\u00f3i. “V\u1edbi k\u1ef9 thu\u1eadt n\u00e0y, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 d\u00f9ng nh\u1eefng v\u1eadt li\u1ec7u \u0111\u00f3 \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c m\u00e0ng m\u1ecfng h\u1eefu \u00edch c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 l\u00e0m cho ch\u00fang h\u1eefu \u00edch<\/em>“.<\/p>\n\n\n\n

Ngo\u00e0i ti\u1ec1m n\u0103ng c\u1ea3i thi\u1ec7n c\u00e1c lo\u1ea1i m\u00e0ng l\u1ecdc theo c\u00f4ng ngh\u1ec7 hi\u1ec7n nay, c\u00e1c m\u00e0ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng k\u1ef9 thu\u1eadt T-FLO c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u lo\u1ea1i b\u1ed9 l\u1ecdc m\u1edbi. V\u00ed d\u1ee5, k\u1ef9 thu\u1eadt n\u00e0y s\u1ebd gi\u00fap lo\u1ea1i b\u1ecf CO2 kh\u1ecfi kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p, cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i cacbon th\u00e0nh nhi\u00ean li\u1ec7u ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c \u0111\u1ed3ng th\u1eddi gi\u1ea3m \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n

C\u00e1c b\u1ed9 l\u1ecdc nh\u01b0 b\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eed mu\u1ed1i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e0ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng v\u00ec n\u00f3 g\u1ed3m c\u00f3 hai l\u1edbp: l\u1edbp “ho\u1ea1t \u0111\u1ed9ng<\/em>” m\u1ecfng lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t l\u1edbn h\u01a1n v\u00e0 l\u1edbp “h\u1ed7 tr\u1ee3<\/em>” x\u1ed1p t\u1ea1o n\u00ean c\u1ea5u tr\u00fac m\u00e0ng cho ph\u00e9p ch\u1ed1ng \u00e1p l\u1ef1c cao trong th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh l\u1ecdc kh\u00e1c. C\u00e1c k\u1ef9 s\u01b0 t\u1ea1i UCLA \u0111\u00e3 t\u1ea1o m\u00e0ng lo\u1ea1i m\u00e0ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng \u0111\u1ea7u ti\u00ean v\u00e0o nh\u1eefng n\u0103m 1960.<\/p>\n\n\n\n

C\u00e1c m\u00e0ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng hi\u1ec7n nay \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch \u0111\u00fac l\u1edbp ho\u1ea1t \u0111\u1ed9ng tr\u00ean l\u1edbp h\u1ed7 tr\u1ee3 ho\u1eb7c \u0111\u00fac \u0111\u1ed3ng th\u1eddi c\u1ea3 hai. Nh\u01b0ng \u0111\u1ec3 t\u1ea1o ra m\u1ed9t l\u1edbp ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn h\u01a1n, c\u00e1c k\u1ef9 s\u01b0 ph\u1ea3i s\u1eed d\u1ee5ng dung m\u00f4i ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao, c\u1ea3 hai y\u1ebfu t\u1ed1 \u0111\u1ec1u l\u00e0m h\u1ecfng l\u1edbp h\u1ed7 tr\u1ee3 ho\u1eb7c ng\u0103n l\u1edbp ho\u1ea1t \u0111\u1ed9ng b\u00e1m d\u00ednh.<\/p>\n\n\n\n

Trong k\u1ef9 thu\u1eadt T-FLO, l\u1edbp ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u00fac d\u01b0\u1edbi d\u1ea1ng ch\u1ea5t l\u1ecfng tr\u00ean m\u1ed9t t\u1ea5m k\u00ednh ho\u1eb7c kim lo\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 l\u00e0m cho l\u1edbp ho\u1ea1t \u0111\u1ed9ng ch\u1eafc ch\u1eafn. Ti\u1ebfp theo, l\u1edbp h\u1ed7 tr\u1ee3 l\u00e0m t\u1eeb epoxy gia c\u1ed1 b\u1eb1ng v\u1ea3i \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o v\u00e0 m\u00e0ng \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ec3 h\u00f3a r\u1eafn epoxy.<\/p>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng epoxy trong l\u1edbp h\u1ed7 tr\u1ee3 l\u00e0 b\u01b0\u1edbc ti\u1ebfn m\u1edbi t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a k\u1ef9 thu\u1eadt T-FLO. N\u00f3 cho ph\u00e9p t\u1ea1o ra l\u1edbp ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng h\u00f3a ch\u1ea5t ho\u1eb7c nhi\u1ec7t cao m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng l\u1edbp h\u1ed7 tr\u1ee3. Sau \u0111\u00f3, m\u00e0ng \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc \u0111\u1ec3 r\u1eeda tr\u00f4i c\u00e1c h\u00f3a ch\u1ea5t t\u1ea1o n\u00ean c\u00e1c l\u1ed7 trong epoxy v\u00e0 \u0111\u1ec3 n\u1edbi l\u1ecfng m\u00e0ng kh\u1ecfi t\u1ea5m k\u00ednh ho\u1eb7c kim lo\u1ea1i. Cu\u1ed1i c\u00f9ng, m\u00e0ng \u0111\u01b0\u1ee3c b\u00f3c ra b\u1eb1ng l\u01b0\u1ee1i dao.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1eed nghi\u1ec7m m\u00e0ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng k\u1ef9 thu\u1eadt T-FLO \u0111\u1ec3 kh\u1eed mu\u1ed1i kh\u1ecfi n\u01b0\u1edbc, cho th\u1ea5y tri\u1ec3n v\u1ecdng gi\u1ea3i quy\u1ebft m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn trong kh\u1eed m\u1eb7n, \u0111\u00f3 l\u00e0 vi khu\u1ea9n v\u00e0 c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m t\u1eafc m\u00e0ng. M\u1eb7c d\u00f9 vi\u1ec7c b\u1ed5 sung clo v\u00e0o n\u01b0\u1edbc c\u00f3 th\u1ec3 ti\u00eau di\u1ec7t vi khu\u1ea9n, nh\u01b0ng h\u00f3a ch\u1ea5t c\u0169ng khi\u1ebfn h\u1ea7u h\u1ebft c\u00e1c m\u00e0ng b\u1ecb h\u1ecfng. Trong nghi\u00ean c\u1ee9u, m\u00e0ng T-FLO v\u1eeba t\u1eeb ch\u1ed1i mu\u1ed1i l\u1ea1i v\u1eeba ch\u1ed1ng l\u1ea1i clo.<\/p>\n\n\n\n

Trong c\u00e1c th\u00ed nghi\u1ec7m kh\u00e1c, lo\u1ea1i m\u00e0ng m\u1edbi c\u0169ng lo\u1ea1i b\u1ecf c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 kh\u1ecfi ch\u1ea5t th\u1ea3i dung m\u00f4i v\u00e0 t\u00e1ch kh\u00ed nh\u00e0 k\u00ednh.<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1ea3n xu\u1ea5t n\u01b0\u1edbc u\u1ed1ng t\u1eeb n\u01b0\u1edbc bi\u1ec3n, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i v\u00e0 th\u1ea9m t\u00e1ch ch\u1ec9 l\u00e0 m\u1ed9t v\u00e0i quy tr\u00ecnh quan tr\u1ecdng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u1ecdc b\u1eb1ng m\u00e0ng. Ch\u00eca kh\u00f3a c\u1ee7a quy tr\u00ecnh l\u00e0 m\u00e0ng l\u1ecdc – l\u1edbp m\u00e0ng m\u1ecfng, b\u00e1n x\u1ed1p cho ph\u00e9p m\u1ed9t s\u1ed1 ch\u1ea5t nh\u01b0 n\u01b0\u1edbc \u0111i qua trong khi t\u00e1ch […]<\/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-28871","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\/28871","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=28871"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28871\/revisions"}],"predecessor-version":[{"id":28872,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28871\/revisions\/28872"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}