{"id":27450,"date":"2020-03-05T15:47:00","date_gmt":"2020-03-05T08:47:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27450"},"modified":"2021-11-05T16:33:49","modified_gmt":"2021-11-05T09:33:49","slug":"che-pham-vi-sinh-xu-ly-o-nhiem-huu-co-pho-rong-cho-nganh-thuy-san","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/che-pham-vi-sinh-xu-ly-o-nhiem-huu-co-pho-rong-cho-nganh-thuy-san\/","title":{"rendered":"Ch\u1ebf ph\u1ea9m vi sinh x\u1eed l\u00fd \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 \u201cph\u1ed5 r\u1ed9ng\u201d cho ng\u00e0nh th\u1ee7y s\u1ea3n"},"content":{"rendered":"\n

Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 l\u1ea5y m\u1eabu b\u00f9n \u0111\u00e1y \u1edf r\u1ea5t nhi\u1ec1u n\u01a1i, t\u1eeb \u00e2u thuy\u1ec1n Th\u1ecd Quang, c\u00e1c c\u1ea3ng c\u00e1 ven bi\u1ec3n, c\u00e1c vu\u00f4ng nu\u00f4i th\u1ee7y s\u1ea3n n\u01b0\u1edbc l\u1ee3, n\u01b0\u1edbc m\u1eb7n,… \u0111\u1ec3 ph\u00e2n l\u1eadp v\u00e0 tuy\u1ec3n ch\u1ecdn c\u00e1c ch\u1ee7ng vi sinh v\u1eadt \u0111\u1ec3 x\u1eed l\u00fd \u00f4 nhi\u1ec5m h\u1eefu c\u01a1.<\/strong><\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c Vi\u1ec7n C\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng, Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc & C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng m\u1ed9t lo\u1ea1i ch\u1ebf ph\u1ea9m s\u1eed d\u1ee5ng ch\u1ee7ng vi sinh v\u1eadt c\u00f3 ph\u1ed5 r\u1ed9ng ho\u1ea1t t\u00ednh, hi\u1ec7u qu\u1ea3 \u1edf c\u1ea3 m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc m\u1eb7n v\u00e0 n\u01b0\u1edbc l\u1ee3, h\u1ee9a h\u1eb9n gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u00e1ch th\u1ee9c r\u1ea5t l\u1edbn c\u1ee7a ng\u00e0nh th\u1ee7y s\u1ea3n l\u00e0 \u00f4 nhi\u1ec5m ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1.  <\/p>\n\n\n\n

H\u1ec7 l\u1ee5y g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng  th\u1ef1c tr\u1ea1ng \u0111\u00e1ng lo ng\u1ea1i c\u1ee7a ng\u00e0nh kinh t\u1ebf mang l\u1ea1i ngu\u1ed3n l\u1ee3i xu\u1ea5t kh\u1ea9u x\u1ebfp th\u1ee9 t\u01b0 th\u1ebf gi\u1edbi n\u00e0y c\u1ee7a Vi\u1ec7t Nam. T\u00ecnh tr\u1ea1ng d\u01b0 th\u1eeba ch\u1ea5t kh\u00e1ng sinh, h\u00f3a ch\u1ea5t, ch\u1ea5t h\u1eefu c\u01a1 (th\u1ee9c \u0103n ch\u0103n nu\u00f4i, ph\u00e2n th\u1ea3i),… \u1edf c\u00e1c v\u00f9ng nu\u00f4i tr\u1ed3ng v\u00e0 khai th\u00e1c th\u1ee7y s\u1ea3n kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a con ng\u01b0\u1eddi, v\u1eadt nu\u00f4i m\u00e0 c\u00f2n t\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i \u0111\u1ebfn h\u1ec7 sinh th\u00e1i. <\/p>\n\n\n\n

Tr\u01b0\u1edbc th\u1ef1c tr\u1ea1ng \u0111\u00f3, l\u00e2u nay nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a k\u1ef9 s\u01b0 Hu\u1ef3nh \u0110\u1ee9c Long \u1edf Trung t\u00e2m c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng (\u0110\u00e0 N\u1eb5ng), thu\u1ed9c Vi\u1ec7n c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p x\u1eed l\u00fd, m\u00e0 tr\u01b0\u1edbc h\u1ebft nh\u1eb1m h\u1ed7 tr\u1ee3 ng\u00e0nh th\u1ee7y s\u1ea3n \u1edf \u0110\u00e0 N\u1eb5ng. T\u1eeb kh\u1ea3o s\u00e1t th\u1ef1c t\u1ebf \u1edf \u00e2u thuy\u1ec1n v\u00e0 c\u1ea3ng c\u00e1 Th\u1ecd Quang (\u0110\u00e0 N\u1eb5ng) – c\u1ea3ng c\u00e1 l\u1edbn nh\u1ea5t mi\u1ec1n Trung \u0111ang b\u1ecb \u00f4 nhi\u1ec5m n\u1eb7ng n\u1ec1 do khai th\u00e1c v\u00e0 v\u1eadn chuy\u1ec3n th\u1ee7y s\u1ea3n, k\u1ef9 s\u01b0 Hu\u1ef3nh \u0110\u1ee9c Long c\u00f9ng c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 t\u00ecm c\u00e1ch t\u1ea1o ra m\u1ed9t ch\u1ebf ph\u1ea9m vi sinh c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 \u1edf c\u00e1c v\u00f9ng nu\u00f4i tr\u1ed3ng v\u00e0 khai th\u00e1c th\u1ee7y s\u1ea3n. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i vi sinh v\u1eadt \u0111\u1ec3 x\u1eed l\u00fd \u00f4 nhi\u1ec5m \u0111\u01b0\u1ee3c coi l\u00e0 bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t hi\u1ec7n nay nh\u1edd t\u00ednh th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p.
 
Tuy nhi\u00ean, \u0111\u1ec3 t\u00ecm ra ch\u1ebf ph\u1ea9m x\u1eed l\u00fd \u00f4 nhi\u1ec5m hi\u1ec7u qu\u1ea3 trong c\u00e1c v\u00f9ng nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n kh\u00f4ng \u0111\u01a1n gi\u1ea3n v\u00ec nh\u1eefng v\u00f9ng n\u00e0y g\u1ed3m c\u1ea3 n\u01b0\u1edbc l\u1ee3 v\u00e0 n\u01b0\u1edbc m\u1eb7n, th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u lo\u1ea1i ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1 kh\u00e1c nhau nh\u01b0 xenluloza, tinh b\u1ed9t, protein, lipit,… Th\u00e1ch th\u1ee9c l\u1edbn nh\u1ea5t v\u1edbi nh\u00f3m nghi\u00ean c\u1ee9u l\u00e0 l\u00e0m th\u1ebf n\u00e0o tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1c ch\u1ee7ng vi sinh v\u1eadt c\u00f3 ph\u1ed5 r\u1ed9ng ho\u1ea1t t\u00ednh \u0111\u1ec3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c nhi\u1ec1u lo\u1ea1i ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1, v\u1eeba t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c \u1edf c\u1ea3 m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc l\u1ee3 v\u00e0 n\u01b0\u1edbc m\u1eb7n.<\/p>\n\n\n\n

K\u1ef9 s\u01b0 Hu\u1ef3nh \u0110\u1ee9c Long \u0111\u00e3 t\u00ecm c\u00e2u tr\u1ea3 l\u1eddi cho v\u1ea5n \u0111\u1ec1 n\u00e0y t\u1eeb ch\u00ednh ngu\u1ed3n vi sinh v\u1eadt b\u1ea3n \u0111\u1ecba. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 l\u1ea5y m\u1eabu b\u00f9n \u0111\u00e1y \u1edf r\u1ea5t nhi\u1ec1u n\u01a1i, t\u1eeb \u00e2u thuy\u1ec1n Th\u1ecd Quang, c\u00e1c c\u1ea3ng c\u00e1 ven bi\u1ec3n, c\u00e1c vu\u00f4ng nu\u00f4i th\u1ee7y s\u1ea3n n\u01b0\u1edbc l\u1ee3, n\u01b0\u1edbc m\u1eb7n,… \u0111\u1ec3 ph\u00e2n l\u1eadp v\u00e0 tuy\u1ec3n ch\u1ecdn c\u00e1c ch\u1ee7ng vi sinh v\u1eadt. Tr\u1ea3i qua m\u1ed9t lo\u1ea1t c\u00f4ng \u0111o\u1ea1n t\u1eeb tuy\u1ec3n ch\u1ecdn cho \u0111\u1ebfn nh\u00e2n gi\u1ed1ng c\u1ea5p 1 v\u00e0 nh\u00e2n gi\u1ed1ng c\u1ea5p 2, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm ra 3 lo\u1ea1i vi khu\u1ea9n ph\u00f9 h\u1ee3p: ch\u1ee7ng Bacillus subtilis AN1.3; ch\u1ee7ng Bacillus amyloliquefaciens TB10; ch\u1ee7ng Sphingobacterium mizutaii B8. C\u00e1c ch\u1ee7ng vi khu\u1ea9n n\u00e0y sinh tr\u01b0\u1edfng \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 15-40o<\/sup>C, c\u00f3 kh\u1ea3 n\u0103ng sinh t\u1ed5ng h\u1ee3p m\u1ea1nh c\u00e1c enzym ngo\u1ea1i b\u00e0o nh\u01b0 xenlulaza, amylaza, proteaza cao – gi\u00fap th\u00fac \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 trong n\u01b0\u1edbc v\u00e0 trong b\u00f9n \u0111\u00e1y.<\/p>\n\n\n\n

B\u00ean c\u1ea1nh vi khu\u1ea9n, m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00e1c kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng trong ch\u1ebf ph\u1ea9m vi sinh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i l\u00e0 ch\u1ea5t mang – th\u00e0nh ph\u1ea7n cung c\u1ea5p dinh d\u01b0\u1ee1ng v\u00e0 kho\u00e1ng ch\u1ea5t, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u00e1 th\u1ec3 \u0111\u1ec3 c\u00e1c vi sinh v\u1eadt b\u00e1m v\u00e0o. Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t mang r\u1ea5t quan tr\u1ecdng b\u1edfi ch\u00fang s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng ch\u1ebf ph\u1ea9m. D\u1ef1a tr\u00ean nh\u1eefng kinh nghi\u1ec7m nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng, k\u1ef9 s\u01b0 Hu\u1ef3nh \u0110\u1ee9c Long v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 t\u00ecm ra c\u00f4ng th\u1ee9c ph\u1ed1i tr\u1ed9n ch\u1ea5t mang t\u1ed1i \u01b0u: 10% c\u00e1m g\u1ea1o, 10% v\u1ecf tr\u1ea5u, 40% than b\u00f9n v\u00e0 40% diatomit. Sau khi tr\u1ed9n \u0111\u1ec1u c\u00e1c ch\u1ea5t mang v\u00e0 s\u1ea5y kh\u00f4 \u1edf 130o<\/sup>C, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 b\u1ed5 sung th\u00eam 10% d\u1ecbch gi\u1ed1ng c\u1ea5p 2 c\u1ee7a ba ch\u1ee7ng vi khu\u1ea9n tr\u00ean v\u00e0 \u00e9p th\u00e0nh vi\u00ean n\u00e9n.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u00e3 ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd \u00f4 nhi\u1ec5m c\u1ee7a ch\u1ebf ph\u1ea9m: sau 63 ng\u00e0y theo d\u00f5i trong ph\u00f2ng th\u00ed nghi\u1ec7m (th\u1eed nghi\u1ec7m v\u1edbi m\u1eabu n\u01b0\u1edbc l\u1ea5y t\u1eeb \u00e2u thuy\u1ec1n Th\u1ecd Quang, \u0110\u00e0 N\u1eb5ng), ch\u1ebf ph\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc r\u00f5 r\u1ec7t so v\u1edbi tr\u01b0\u1edbc khi x\u1eed l\u00fd, c\u00e1c ch\u1ec9 ti\u00eau COD (nhu c\u1ea7u oxy h\u00f3a h\u1ecdc), BOD (nhu c\u1ea7u oxy sinh h\u1ecdc) – hai ti\u00eau chu\u1ea9n quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0 NH4+<\/sup> \u1edf m\u1eabu n\u01b0\u1edbc x\u1eed l\u00fd \u0111\u1ec1u \u0111\u1ea1t quy chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc QCVN 08:2015\/BTNMT.<\/p>\n\n\n\n

Nh\u1edd t\u00ednh m\u1edbi v\u00e0 kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng cao, ch\u1ebf ph\u1ea9m vi sinh ch\u1ecbu m\u1eb7n d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc b\u00f9n \u0111\u00e1y v\u00e0 n\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m ch\u1ea5t h\u1eefu c\u01a1 \u1edf c\u00e1c v\u00f9ng n\u01b0\u1edbc l\u1ee3 v\u00e0 n\u01b0\u1edbc m\u1eb7n c\u1ee7a k\u1ef9 s\u01b0 Hu\u1ef3nh \u0110\u1ee9c Long v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 \u0111\u01b0\u1ee3c C\u1ee5c S\u1edf h\u1eefu tr\u00ed tu\u1ec7 (B\u1ed9 KH&CN) c\u1ea5p b\u1eb1ng \u0111\u1ed9c quy\u1ec1n gi\u1ea3i ph\u00e1p h\u1eefu \u00edch\u00a0s\u1ed1 2-0002100, c\u00f4ng b\u1ed1 ng\u00e0y 25\/09\/2019.<\/p>\n\n\n\n

\"\"\/<\/figure><\/div>\n\n\n\n
\"\"
\u1ea2nh: nh\u00f3m nghi\u00ean c\u1ee9u thu th\u1eadp m\u1eabu v\u00e0 ph\u00e2n t\u00edch t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m. Ngu\u1ed3n: VAST<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

Ngu\u1ed3n: Thanh An<\/em>– https:\/\/www.ipvietnam.gov.vn\/hoat-ong-shcn-trong-nuoc\/-\/asset_publisher\/7xsjBfqhCDAV\/content\/che-pham-vi-sinh-xu-ly-o-nhiem-huu-co-pho-rong-cho-nganh-thuy-san<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 l\u1ea5y m\u1eabu b\u00f9n \u0111\u00e1y \u1edf r\u1ea5t nhi\u1ec1u n\u01a1i, t\u1eeb \u00e2u thuy\u1ec1n Th\u1ecd Quang, c\u00e1c c\u1ea3ng c\u00e1 ven bi\u1ec3n, c\u00e1c vu\u00f4ng nu\u00f4i th\u1ee7y s\u1ea3n n\u01b0\u1edbc l\u1ee3, n\u01b0\u1edbc m\u1eb7n,… \u0111\u1ec3 ph\u00e2n l\u1eadp v\u00e0 tuy\u1ec3n ch\u1ecdn c\u00e1c ch\u1ee7ng vi sinh v\u1eadt \u0111\u1ec3 x\u1eed l\u00fd \u00f4 nhi\u1ec5m h\u1eefu c\u01a1. C\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c Vi\u1ec7n […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-27450","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\/27450","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27450"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27450\/revisions"}],"predecessor-version":[{"id":29530,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27450\/revisions\/29530"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}