{"id":34140,"date":"2024-05-30T15:51:36","date_gmt":"2024-05-30T08:51:36","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=34140"},"modified":"2024-11-01T13:43:08","modified_gmt":"2024-11-01T06:43:08","slug":"dot-pha-trong-xu-ly-o-nhiem-dau-bang-che-pham-sinh-hoc-tu-than-trau","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/dot-pha-trong-xu-ly-o-nhiem-dau-bang-che-pham-sinh-hoc-tu-than-trau\/","title":{"rendered":"\u0110\u1ed9t ph\u00e1 trong x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u b\u1eb1ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc t\u1eeb than tr\u1ea5u"},"content":{"rendered":"\n

C\u1ee5c S\u1edf h\u1eefu tr\u00ed tu\u1ec7 (B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7) v\u1eeba c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf cho PGS.TS L\u00ea Th\u1ecb Nhi C\u00f4ng v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p thu\u1ed9c Vi\u1ec7n C\u00f4ng ngh\u1ec7 sinh h\u1ecdc (Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam) v\u1ec1 ch\u1ebf ph\u1ea9m x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u.<\/p>\n\n\n\n

\u00d4 nhi\u1ec5m d\u1ea7u trong m\u00f4i tr\u01b0\u1eddng \u0111ang \u1edf m\u1ee9c \u0111\u00e1ng lo ng\u1ea1i do d\u1ea7u th\u01b0\u1eddng c\u00f3 \u0111\u1ed9c t\u00ednh cao v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i b\u1ec1n v\u1eefng trong m\u00f4i tr\u01b0\u1eddng. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi s\u1ef1 c\u1ed1 tr\u00e0n d\u1ea7u x\u1ea3y ra tr\u00ean bi\u1ec3n, c\u00e1c c\u00f4ng ty x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng th\u01b0\u1eddng s\u1eed d\u1ee5ng ngay bi\u1ec7n ph\u00e1p d\u00f9ng phao qu\u00e2y d\u1ea7u r\u1ed3i d\u00f9ng \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 h\u1ea1n ch\u1ebf nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ee7a d\u1ea7u m\u1ecf tan, tr\u00e0n ra m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc r\u1ea5t hi\u1ec7u qu\u1ea3, nhanh, c\u01a1 \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t v\u1edbi d\u1ea7u th\u00f4.\u00a0Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi bi\u1ec7n ph\u00e1p v\u1eadt l\u00fd ch\u1ec9 thu gom l\u1ea1i ch\u1ee9 kh\u00f4ng b\u1ea3o \u0111\u1ea3m \u0111\u01b0\u1ee3c c\u00e1c th\u00e0nh ph\u1ea7n trong d\u1ea7u tr\u00e0n ra ngo\u00e0i. Bi\u1ec7n ph\u00e1p h\u00f3a h\u1ecdc th\u00ec chuy\u1ec3n t\u1eeb d\u1ea1ng h\u1ee3p ch\u1ea5t n\u00e0y sang d\u1ea1ng h\u1ee3p ch\u1ea5t kh\u00e1c m\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3 ch\u01b0a h\u1eb3n an to\u00e0n cho h\u1ec7 sinh th\u00e1i. Do \u0111\u00f3, quy tr\u00ecnh sinh h\u1ecdc l\u00e0 m\u1ed9t trong nh\u1eefng quy tr\u00ecnh x\u1eed l\u00fd tri\u1ec7t \u0111\u1ec3, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f3 chi ph\u00ed th\u1ea5p.<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

 Ch\u1ebf ph\u1ea9m sinh h\u1ecdc t\u1eeb than ch\u1ea5u x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng. \u1ea2nh Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/p>\n\n\n\n

V\u1edbi mong mu\u1ed1n t\u1ea1o ra \u0111\u01b0\u1ee3c c\u00e1c ch\u1ebf ph\u1ea9m sinh h\u1ecdc c\u00f3 th\u1ec3 x\u1eed l\u00fd tri\u1ec7t \u0111\u1ec3 \u00f4 nhi\u1ec5m d\u1ea7u b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, chi ph\u00ed th\u1ea5p, PGS.TS L\u00ea Th\u1ecb Nhi C\u00f4ng v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c Vi\u1ec7n C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc, Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng ch\u1ebf ph\u1ea9m x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u b\u1eb1ng 4 ch\u1ee7ng vi khu\u1ea9n t\u1ea1o m\u00e0ng sinh h\u1ecdc tr\u00ean than sinh h\u1ecdc c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb tr\u1ea5u. Ch\u1ebf ph\u1ea9m c\u00f3 d\u1ea1ng r\u1eafn, c\u00f3 m\u1eadt \u0111\u1ed9 vi sinh v\u1eadt \u0111\u1ea1t > 109 CFU\/g. Ch\u1ebf ph\u1ea9m c\u00f3 hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf hydrocarbon no v\u00e0 th\u01a1m >90 % sau 7 ng\u00e0y th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n

Theo \u0111\u00f3, n\u01b0\u1edbc th\u1ea3i nhi\u1ec5m d\u1ea7u sau khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc \u0111\u00e3 lo\u1ea1i b\u1ecf h\u01a1n 95% th\u00e0nh ph\u1ea7n hydrocarbon c\u00f3 trong n\u01b0\u1edbc th\u1ea3i, n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c \u0111\u1ea1t lo\u1ea1i B theo quy chu\u1ea9n QCVN 29:2010\/BTNMT c\u1ee7a B\u1ed9 tr\u01b0\u1edfng B\u1ed9 T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng ban h\u00e0nh ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2010.<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu c\u1ea5p Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam \u0111\u00e1nh gi\u00e1 xu\u1ea5t s\u1eafc b\u1edfi c\u00f3 \u00fd ngh\u0129a th\u1ef1c ti\u1ec5n v\u00e0 t\u00ednh khoa h\u1ecdc cao. \u0110\u1eb7c bi\u1ec7t quy tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ebf ph\u1ea9m x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u b\u1eb1ng vi khu\u1ea9n t\u1ea1o m\u00e0ng sinh h\u1ecdc tr\u00ean than sinh h\u1ecdc c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb tr\u1ea5u \u0111\u00e3 \u0111\u01b0\u1ee3c C\u1ee5c S\u1edf h\u1eefu Tr\u00ed tu\u1ec7 (B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7) c\u1ea5p B\u1eb1ng \u0111\u1ed9c quy\u1ec1n Gi\u1ea3i ph\u00e1p h\u1eefu \u00edch s\u1ed1 2558.<\/p>\n\n\n\n

N\u00f3i th\u00eam v\u1ec1 s\u1ef1 nguy hi\u1ec3m c\u1ee7a \u00f4 nhi\u1ec5m d\u1ea7u, PGS.TS L\u00ea Th\u1ecb Nhi C\u00f4ng cho bi\u1ebft, v\u1ea5n \u0111\u1ec1 \u0111\u1ea5t v\u00e0 n\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m d\u1ea7u \u0111\u00e3 kh\u00e1 ph\u1ed5 bi\u1ebfn, ch\u1ec9 c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf h\u00e0m l\u01b0\u1ee3ng c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 trong d\u1ea7u nh\u01b0 styrene, naphthalene, pyrene, phenol… c\u0169ng c\u00f3 \u0111e d\u1ecda nghi\u00eam tr\u1ecdng t\u1edbi s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng.<\/p>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m sinh h\u1ecdc c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 v\u00ec s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd l\u00e0 CO2 v\u00e0 H2O, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p. Trong s\u1ed1 c\u00e1c quy tr\u00ecnh ph\u00e2n h\u1ee7y sinh h\u1ecdc, m\u00e0ng sinh h\u1ecdc l\u00e0 m\u1ed9t trong nh\u1eefng quy tr\u00ecnh x\u1eed l\u00fd d\u1ea7u \u00f4 nhi\u1ec5m hi\u1ec7u qu\u1ea3, chi ph\u00ed th\u1ea5p. \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u v\u00e0 \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u00e1p d\u1ee5ng trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba h\u00ecnh kh\u00e1c nhau, vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t mang l\u00e0m gi\u00e1 th\u1ec3 cho c\u00e1c vi sinh v\u1eadt t\u1ea1o m\u00e0ng sinh h\u1ecdc g\u1eafn l\u00ean \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n\n\n\n

Trong s\u1ed1 c\u00e1c ch\u1ea5t mang, than sinh h\u1ecdc (biochar) \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t ch\u1ea5t mang ti\u1ec1m n\u0103ng trong x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng v\u00e0 x\u1eed l\u00fd \u00f4 nhi\u1ec5m \u0111\u1ea5t v\u00e0 n\u01b0\u1edbc do c\u00f3 chi ph\u00ed th\u1ea5p, \u0111a d\u1ea1ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t h\u01a1n than ho\u1ea1t t\u00ednh.<\/p>\n\n\n\n

Hi\u1ec7n nay, c\u00e1c ch\u1ebf ph\u1ea9m sinh h\u1ecdc n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u00e1p d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u t\u1ea1i c\u00e1c khu v\u1ef1c b\u1ecb nhi\u1ec5m d\u1ea7u nh\u01b0 kho x\u0103ng ngo\u1ea1i quan V\u00e2n Phong (Kh\u00e1nh H\u00f2a) v\u00e0 Kho x\u0103ng 133, Th\u01b0\u1eddng T\u00edn (H\u00e0 N\u1ed9i).<\/p>\n\n\n\n

V\u1edbi b\u01b0\u1edbc ti\u1ebfn n\u00e0y, hy v\u1ecdng r\u1eb1ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc t\u1eeb than tr\u1ea5u s\u1ebd \u0111\u00f3ng g\u00f3p m\u1ed9t ph\u1ea7n quan tr\u1ecdng v\u00e0o vi\u1ec7c gi\u1ea3m \u00f4 nhi\u1ec5m d\u1ea7u, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf cho x\u00e3 h\u1ed9i.<\/p>\n\n\n\n

Duy Trinh<\/strong><\/p>\n\n\n\n

https:\/\/vietq.vn\/dot-pha-trong-xu-ly-o-nhiem-dau-bang-che-pham-sinh-hoc-tu-than-trau-d218379.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u1ee5c S\u1edf h\u1eefu tr\u00ed tu\u1ec7 (B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7) v\u1eeba c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf cho PGS.TS L\u00ea Th\u1ecb Nhi C\u00f4ng v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p thu\u1ed9c Vi\u1ec7n C\u00f4ng ngh\u1ec7 sinh h\u1ecdc (Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam) v\u1ec1 ch\u1ebf ph\u1ea9m x\u1eed l\u00fd \u00f4 nhi\u1ec5m d\u1ea7u. \u00d4 nhi\u1ec5m d\u1ea7u trong m\u00f4i […]<\/p>\n","protected":false},"author":26,"featured_media":34141,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-34140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/34140","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\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=34140"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/34140\/revisions"}],"predecessor-version":[{"id":34142,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/34140\/revisions\/34142"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/34141"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=34140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=34140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=34140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}