{"id":9552,"date":"2011-04-06T04:08:56","date_gmt":"2011-04-05T21:08:56","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/04\/nghien-cuu-su-dung-dam-vo-hat-dieu-ket-hop-voi-dam-go-bach-dan-eucalyptus-urophylla-de-san-xuat-van-dam-thong-dung\/"},"modified":"2015-05-19T14:36:09","modified_gmt":"2015-05-19T07:36:09","slug":"nghien-cuu-su-dung-dam-vo-hat-dieu-ket-hop-voi-dam-go-bach-dan-eucalyptus-urophylla-de-san-xuat-van-dam-thong-dung","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-su-dung-dam-vo-hat-dieu-ket-hop-voi-dam-go-bach-dan-eucalyptus-urophylla-de-san-xuat-van-dam-thong-dung\/","title":{"rendered":"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng d\u0103m v\u1ecf h\u1ea1t \u0110i\u1ec1u k\u1ebft h\u1ee3p v\u1edbi d\u0103m g\u1ed7 B\u1ea1ch \u0111\u00e0n Eucalyptus urophylla \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m th\u00f4ng d\u1ee5ng"},"content":{"rendered":"

B\u00f9i V\u0103n \u00c1i, Nguy\u1ec5n Xu\u00e2n Quy\u1ec1n, Ph\u1ea1m Th\u1ecb Thanh Mi\u1ec1n<\/strong><\/p>\n

Ph\u00f2ng B\u1ea3o qu\u1ea3n L\u00e2m s\u1ea3n<\/em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p<\/em><\/p>\n

T\u00d3M T\u1eaeT<\/strong><\/p>\n

V\u1ecf h\u1ea1t \u0110i\u1ec1u sau \u00e9p t\u1eadn thu d\u1ea7u l\u00e0 ngu\u1ed3n ph\u1ebf li\u1ec7u c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn trong c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u1ea1t \u0110i\u1ec1u c\u1ee7a n\u01b0\u1edbc ta. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 ph\u1ed1i tr\u1ed9n d\u0103m v\u1ecf h\u1ea1t \u0110i\u1ec1u v\u00e0 d\u0103m g\u1ed7 B\u1ea1ch \u0111\u00e0n Uro l\u00e0m d\u0103m l\u1edbp l\u00f5i \u0111\u1ec3 t\u1ea1o v\u00e1n d\u0103m. V\u00e1n d\u0103m k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c \u00e9p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 g\u1ed3m: \u00e1p su\u1ea5t \u00e9p 2,1Mpa, nhi\u1ec7t \u0111\u1ed9 \u00e9p 1800<\/sup>C, th\u1eddi gian \u00e9p 7 ph\u00fat. V\u00e1n th\u00ed nghi\u1ec7m c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 v\u1eadt l\u00fd \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n c\u1ee7a v\u00e1n d\u0103m th\u00f4ng d\u1ee5ng s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4.<\/p>\n

T\u1eeb kh\u00f3a:<\/strong><\/em>V\u00e1n d\u0103m, D\u0103m v\u1ecf h\u1ea1t \u0110i\u1ec1u, V\u1ecf h\u1ea1t \u0110i\u1ec1u.<\/em><\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

V\u00e1n d\u0103m l\u00e0 lo\u1ea1i h\u00ecnh v\u00e1n nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111a d\u1ea1ng ngu\u1ed3n nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt ch\u1ee9a xenlulo. V\u00e1n d\u0103m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo c\u00e1ch truy\u1ec1n th\u1ed1ng s\u1eed d\u1ee5ng ngu\u1ed3n nguy\u00ean li\u1ec7u g\u1ed7 r\u1eebng tr\u1ed3ng v\u00e0 g\u1ed7 t\u1eadn d\u1ee5ng l\u00e0 ch\u00ednh. Hi\u1ec7n nay, tr\u00ean th\u1ebf gi\u1edbi c\u0169ng nh\u01b0 trong n\u01b0\u1edbc \u0111\u00e3 c\u00f3 nhi\u1ec1u c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng ph\u1ebf li\u1ec7u d\u1ea1ng x\u01a1 s\u1ee3i trong n\u00f4ng nghi\u1ec7p nh\u01b0 c\u1ecdng d\u1eeba n\u01b0\u1edbc, x\u01a1 d\u1eeba, d\u0103m tre, r\u01a1m r\u1ea1, b\u00e3 m\u00eda, tr\u1ea5u \u2026 k\u1ebft h\u1ee3p v\u1edbi d\u0103m g\u1ed7 \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m.<\/p>\n

\u1ede n\u01b0\u1edbc ta, c\u00e2y \u0110i\u1ec1u (Anacardium occidentale<\/em>) \u0111\u01b0\u1ee3c g\u00e2y tr\u1ed3ng v\u1edbi di\u1ec7n t\u00edch l\u1edbn, c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u1ea1t \u0110i\u1ec1u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ea1nh. L\u01b0\u1ee3ng h\u1ea1t \u0110i\u1ec1u nguy\u00ean li\u1ec7u cho ch\u1ebf bi\u1ebfn h\u00e0ng n\u0103m kho\u1ea3ng 500.000 \u0111\u1ebfn 700.000 t\u1ea5n h\u1ea1t. Trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn h\u1ea1t \u0110i\u1ec1u, ph\u1ea7n v\u1ecf h\u1ea1t \u0110i\u1ec1u (VH\u0110) sau t\u00e1ch nh\u00e2n \u0110i\u1ec1u v\u00e0 \u00e9p \u0111\u1ec3 t\u1eadn thu d\u1ea7u v\u1ecf m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n nh\u1ecf \u0111\u1ec3 \u0111\u1ed1t l\u00f2, c\u00f2n l\u1ea1i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c coi l\u00e0 ph\u1ebf li\u1ec7u t\u1eadp trung v\u00e0o khu ph\u1ebf th\u1ea3i trong c\u00e1c x\u01b0\u1edfng \u00e9p d\u1ea7u \u0110i\u1ec1u. VH\u0110 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng xenlulo x\u1ea5p x\u1ef7 20% n\u00ean c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng ph\u1ed1i h\u1ee3p v\u1edbi d\u0103m g\u1ed7 \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m tr\u1edf ng\u1ea1i c\u1ee7a VH\u0110 khi s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m \u0111\u00f3 l\u00e0 l\u01b0\u1ee3ng d\u1ea7u v\u1ecf c\u00f2n d\u01b0 l\u1ea1i sau qu\u00e1 tr\u00ecnh \u00e9p v\u00e0 l\u1edbp b\u1ec1 m\u1eb7t c\u1ee7a v\u1ecf h\u1ea1t ch\u1ee9a nhi\u1ec1u cutin. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng kh\u00f4ng t\u1ed1t \u0111\u1ebfn m\u1ed1i li\u00ean k\u1ebft d\u0103m \u2013 keo l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a v\u00e1n d\u0103m n\u1ebfu s\u1eed d\u1ee5ng thu\u1ea7n nh\u1ea5t lo\u1ea1i d\u0103m VH\u0110.<\/p>\n

G\u1ed7 B\u1ea1ch \u0111\u00e0n uro (Eucalyptus urophylla<\/em>) l\u00e0 nguy\u00ean li\u1ec7u cho s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i h\u00ecnh v\u00e1n nh\u00e2n t\u1ea1o nhu v\u00e1n d\u0103m, v\u00e1n gh\u00e9p thanh. B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng d\u0103m VH\u0110 ph\u1ed1i h\u1ee3p v\u1edbi d\u0103m, g\u1ed7 B\u1ea1ch \u0111\u00e0n Uro \u0111\u1ec3 t\u1ea1o v\u00e1n d\u0103m th\u00f4ng d\u1ee5ng.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 3 n\u0103m 2010, trang 1383-1387)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\nV\u1ecf h\u1ea1t \u0110i\u1ec1u sau ép t\u1eadn thu d\u1ea7u là ngu\u1ed3n ph\u1ebf li\u1ec7u có kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn trong công nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u1ea1t \u0110i\u1ec1u c\u1ee7a n\u01b0\u1edbc ta. Vi\u1ec7n Khoa h\u1ecdc Lâm nghi\u1ec7p Vi\u1ec7t Nam \u0111ã nghiên c\u1ee9u xác \u0111\u1ecbnh t\u1ef7 l\u1ec7 ph\u1ed1i tr\u1ed9n d\u0103m v\u1ecf h\u1ea1t \u0110i\u1ec1u và d\u0103m g\u1ed7 B\u1ea1ch \u0111àn Uro làm d\u0103m l\u1edbp lõi \u0111\u1ec3 t\u1ea1o ván d\u0103m. Ván d\u0103m k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c ép v\u1edbi các thông s\u1ed1 công ngh\u1ec7 g\u1ed3m: áp su\u1ea5t ép 2,1Mpa, nhi\u1ec7t \u0111\u1ed9 ép 1800<\/sup>C, th\u1eddi gian ép 7 phút. Ván thí nghi\u1ec7m có tính ch\u1ea5t c\u01a1 v\u1eadt lý \u0111áp \u1ee9ng tiêu chu\u1ea9n c\u1ee7a ván d\u0103m thông d\u1ee5ng s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n khô.<\/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\/9552"}],"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=9552"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9552\/revisions"}],"predecessor-version":[{"id":15286,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9552\/revisions\/15286"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}