{"id":9450,"date":"2010-11-08T20:45:45","date_gmt":"2010-11-08T13:45:45","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/11\/nghien-cuu-su-dung-than-go-duoc-de-san-xuat-than-hoat-tinh\/"},"modified":"2015-05-19T14:35:37","modified_gmt":"2015-05-19T07:35:37","slug":"nghien-cuu-su-dung-than-go-duoc-de-san-xuat-than-hoat-tinh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-su-dung-than-go-duoc-de-san-xuat-than-hoat-tinh\/","title":{"rendered":"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng than g\u1ed7 \u0110\u01b0\u1edbc \u0111\u1ec3 s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh"},"content":{"rendered":"<p><strong>H\u00e0 Ti\u1ebfn M\u1ea1nh, Nguy\u1ec5n B\u1ea3o Ng\u1ecdc<\/strong><\/p>\n<p><em>Ph\u00f2ng Nghi\u00ean c\u1ee9u Ch\u1ebf bi\u1ebfn L\u00e2m s\u1ea3n<\/em><\/p>\n<p><em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n<p><strong>T\u00d3M T\u1eaeT<\/strong><\/p>\n<p>\u0110\u01b0\u1edbc (<em>Rhizophora apiculata<\/em>) l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 r\u1eebng ng\u1eadp m\u1eb7n, t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf C\u00e0 Mau, B\u1ebfn Tre v\u00e0 TP. H\u1ed3 Ch\u00ed Minh. So v\u1edbi g\u1ed7 r\u1eebng tr\u1ed3ng kh\u00e1c (keo, b\u1ea1ch \u0111\u00e0n, th\u00f4ng), g\u1ed7 \u0110\u01b0\u1edbc c\u00f3 nhi\u1ec1u t\u00ednh ch\u1ea5t c\u01a1 l\u00fd t\u1ed1t h\u01a1n. Tuy nhi\u00ean, h\u01a1n 70% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng g\u1ed7 khai th\u00e1c ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ea7m than nhi\u00ean li\u1ec7u. Than g\u1ed7 \u0110\u01b0\u1edbc s\u1ea3n xu\u1ea5t theo ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng c\u00f3 nhi\u1ec7t l\u01b0\u1ee3ng 28.000KJ\/Kg, h\u00e0m l\u01b0\u1ee3ng Cacbon kho\u1ea3ng 70% c\u00f3 th\u1ec3 nghi\u00ean c\u1ee9u \u0111\u1ec3 s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh s\u1eed d\u1ee5ng trong c\u00f4ng ngh\u1ec7 t\u1ea9y m\u00e0u, kh\u1eed m\u00f9i, l\u1ecdc n\u01b0\u1edbc, l\u1ecdc kh\u00ed\u2026\u0110\u1ec3 x\u00e2y d\u1ef1ng quy tr\u00ecnh c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh t\u1eeb than g\u1ed7 \u0110\u01b0\u1edbc, \u0111\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh 3 th\u00f4ng s\u1ed1 ch\u1ee7 y\u1ebfu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng than ho\u1ea1t t\u00ednh: nhi\u1ec7t \u0111\u1ed9, th\u1eddi gian v\u00e0 t\u00e1c nh\u00e2n ho\u1ea1t ho\u00e1. Ch\u1ec9 s\u1ed1 ph\u00e2n t\u00edch cho th\u1ea5y r\u1eb1ng than ho\u1ea1t t\u00ednh g\u1ed7 \u0110\u01b0\u1edbc c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 t\u1ed1t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c lo\u1ea1i than c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay nh\u01b0 than ho\u1ea1t t\u00ednh t\u1eeb g\u00e1o D\u1eeba Tr\u00e0 B\u1eafc, than Novis c\u1ee7a H\u00e0 Lan.<\/p>\n<p><strong>T\u1eeb kho\u00e1<\/strong>: Than ho\u1ea1t t\u00ednh, \u0110\u01b0\u1edbc<strong><\/strong><strong><\/strong><\/p>\n<p><strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n<p>Than ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 s\u1eed d\u1ee5ng t\u1eeb r\u1ea5t s\u1edbm, l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u h\u1ea5p ph\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 khai th\u00e1c ch\u1ebf bi\u1ebfn d\u1ea7u m\u1ecf, c\u00f4ng nghi\u1ec7p d\u1ec7t, c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m, x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng\u2026 Ng\u00e0y nay, nh\u1edd s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ng\u00e0nh khoa h\u1ecdc m\u00e0 than ho\u1ea1t t\u00ednh c\u00e0ng \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u s\u00e2u v\u1ec1 t\u00ednh ch\u1ea5t, ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf, \u0111\u01b0\u1ee3c n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n<p>\u1ede n\u01b0\u1edbc ta, nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh bao g\u1ed3m: than m\u1ecf, than g\u1ed7, than tre v\u00e0 than c\u00e1c lo\u1ea1i v\u1ecf qu\u1ea3, h\u1ea1t,\u2026 Qua kh\u1ea3o s\u00e1t th\u1ea5y r\u1eb1ng, than g\u1ed7 \u0110\u01b0\u1edbc c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 t\u00ednh ch\u1ea5t n\u1ed5i tr\u1ed9i so v\u1edbi nguy\u00ean li\u1ec7u kh\u00e1c \u0111\u1ec3 l\u00e0m than ho\u1ea1t t\u00ednh nh\u01b0: c\u00f3 \u0111\u1ed9 s\u1ea1ch cao (h\u00e0m l\u01b0\u1ee3ng tro th\u1ea5p), h\u00e0m l\u01b0\u1ee3ng c\u00e1c bon cao, nhi\u1ec7t l\u01b0\u1ee3ng cao. B\u00ean c\u1ea1nh \u0111\u00f3, h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t b\u1ed1c l\u1edbn r\u1ea5t thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh ho\u1ea1t h\u00f3a v\u00ec ch\u1ea5t b\u1ed1c tho\u00e1t ra h\u00ecnh th\u00e0nh c\u00e1c k\u1ebd n\u1ee9t ban \u0111\u1ea7u. Tuy nhi\u00ean, cho \u0111\u1ebfn nay c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t than ho\u1ea1t t\u00ednh t\u1eeb than g\u1ed7 c\u00e2y \u0110\u01b0\u1edbc ch\u01b0a \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. \u0110\u1ec3 s\u1eed d\u1ee5ng ngu\u1ed3n t\u00e0i nguy\u00ean r\u1eebng ng\u1eadp m\u1eb7n c\u00f3 hi\u1ec7u qu\u1ea3 th\u00ec vi\u1ec7c nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o than ho\u1ea1t t\u00ednh t\u1eeb c\u00e1c s\u1ea3n ph\u1ea9m tr\u00ean l\u00e0 m\u1ed9t vi\u1ec7c r\u1ea5t c\u1ea7n thi\u1ebft v\u00e0 quan tr\u1ecdng.<\/p>\n<p>(Trang 1281-1286)<\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">\u0110\u01b0\u1edbc (<em>Rhizophora apiculata<\/em>) l&agrave; lo&agrave;i c&acirc;y g\u1ed7 r\u1eebng ng\u1eadp m\u1eb7n, t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf C&agrave; Mau, B\u1ebfn Tre v&agrave; TP. H\u1ed3 Ch&iacute; Minh. So v\u1edbi g\u1ed7 r\u1eebng tr\u1ed3ng kh&aacute;c (keo, b\u1ea1ch \u0111&agrave;n, th&ocirc;ng), g\u1ed7 \u0110\u01b0\u1edbc c&oacute; nhi\u1ec1u t&iacute;nh ch\u1ea5t c\u01a1 l&yacute; t\u1ed1t h\u01a1n. Tuy nhi&ecirc;n, h\u01a1n 70% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng g\u1ed7 khai th&aacute;c ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ea7m than nhi&ecirc;n li\u1ec7u. Than g\u1ed7 \u0110\u01b0\u1edbc s\u1ea3n xu\u1ea5t theo ph\u01b0\u01a1ng ph&aacute;p truy\u1ec1n th\u1ed1ng c&oacute; nhi\u1ec7t l\u01b0\u1ee3ng 28.000KJ\/Kg, h&agrave;m l\u01b0\u1ee3ng Cacbon kho\u1ea3ng 70% c&oacute; th\u1ec3 nghi&ecirc;n c\u1ee9u \u0111\u1ec3 s\u1ea3n xu\u1ea5t than ho\u1ea1t t&iacute;nh s\u1eed d\u1ee5ng trong c&ocirc;ng ngh\u1ec7 t\u1ea9y m&agrave;u, kh\u1eed m&ugrave;i, l\u1ecdc n\u01b0\u1edbc, l\u1ecdc kh&iacute;&hellip;<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9450"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9450"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9450\/revisions"}],"predecessor-version":[{"id":15282,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9450\/revisions\/15282"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}