<\/p>\n
Trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u g\u1ed1m, vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ed9t l\u00e0 m\u1ed9t m\u1eaft x\u00edch r\u1ea5t quan tr\u1ecdng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9t quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e0nh ph\u1ea9m g\u1ed1m. Hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9t ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 h\u00ecnh th\u00e1i vi m\u00f4 c\u1ee7a b\u1ed9t.<\/p>\n
S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t ch\u1ee7 y\u1ebfu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 hi\u1ec7u su\u1ea5t thi\u00eau k\u1ebft c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t \u0111\u1ebfn m\u1eadt \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m alumin v\u00e0 k\u1ebft qu\u1ea3 cho th\u1ea5y g\u1ed1m alumin v\u1edbi m\u1eadt \u0111\u1ed9 g\u1ea7n 99% c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1ea5t k\u1ec3 s\u1eed d\u1ee5ng h\u1ea1t r\u1ed9ng hay h\u1eb9p. b\u1ed9t ph\u00e2n ph\u1ed1i k\u00edch th\u01b0\u1edbc, v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c duy tr\u00ec. Tuy nhi\u00ean, \u1edf kho\u1ea3ng 1 \u03bcm, s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng h\u01a1n c\u00f3 th\u1ec3 l\u00e0m t\u0103ng m\u1eadt \u0111\u1ed9 c\u1ee7a v\u1eadt th\u1ec3 xanh \u0111\u01b0\u1ee3c n\u00e9n ch\u1eb7t d\u1ea1ng b\u1ed9t, cho ph\u00e9p v\u1eadt li\u1ec7u tr\u1ea3i qua qu\u00e1 tr\u00ecnh c\u00f4 \u0111\u1eb7c v\u1edbi t\u1ed1c \u0111\u1ed9 co ng\u00f3t nh\u1ecf h\u01a1n. L\u00fd do ch\u00ednh l\u00e0 c\u00e1c h\u1ea1t l\u1edbn trong b\u1ed9t v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng s\u1ebd t\u1ea1o th\u00e0nh nhi\u1ec1u kho\u1ea3ng tr\u1ed1ng h\u01a1n, ch\u1ee9a \u0111\u1ea7y c\u00e1c h\u1ea1t m\u1ecbn trong qu\u00e1 tr\u00ecnh \u0111\u00fac.<\/p>\n
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n v\u1ec1 \u0111i\u1ec1u n\u00e0y. H\u1ecd chia qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft th\u00e0nh ba giai \u0111o\u1ea1n: giai \u0111o\u1ea1n \u0111\u1ea7u, giai \u0111o\u1ea1n gi\u1eefa v\u00e0 giai \u0111o\u1ea1n cu\u1ed1i. B\u1ed9t c\u00f3 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng h\u01a1n l\u00e0m t\u0103ng m\u1eadt \u0111\u1ed9 c\u1ee7a ph\u1ea7n th\u00e2n m\u00e0u xanh l\u00e1 c\u00e2y v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 \u0111\u00f4ng \u0111\u1eb7c c\u1ee7a g\u1ed1m trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft. Ngo\u00e0i ra, \u1edf giai \u0111o\u1ea1n gi\u1eefa c\u1ee7a qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft, b\u1ed9t c\u00f3 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t v\u00e0 c\u00e1c l\u1ed7 c\u00e1ch ly kh\u00e9p k\u00edn trong v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o ma tr\u1eadn h\u1ea1t l\u1edbn h\u01a1n, do \u0111\u00f3 kh\u1ea3 n\u0103ng thi\u00eau k\u1ebft t\u1ed1t h\u01a1n v\u00e0 gi\u00fap duy tr\u00ec t\u1ed1c \u0111\u1ed9 thi\u00eau k\u1ebft cao trong giai \u0111o\u1ea1n sau c\u1ee7a qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft. Tuy nhi\u00ean, s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng h\u01a1n s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eadt \u0111\u1ed9 do s\u1ef1 t\u00edch t\u1ee5 c\u1ee5c b\u1ed9 c\u1ee7a c\u00e1c h\u1ea1t v\u1eadt li\u1ec7u. Ngay c\u1ea3 khi s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u01b0\u1ee3t qu\u00e1 m\u1ed9t k\u00edch th\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u01a1 th\u1ec3 thi\u00eau k\u1ebft s\u1ebd qu\u00e1 l\u1edbn v\u00e0 c\u1ea5u tr\u00fac l\u1ed7 r\u1ed7ng s\u1ebd tr\u1edf n\u00ean th\u00f4 h\u01a1n. \u0110\u1ec3 thu \u0111\u01b0\u1ee3c g\u1ed1m alumina c\u00f3 m\u1eadt \u0111\u1ed9 cao, vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac v\u00e0 thi\u00eau k\u1ebft \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1ed9t. Do \u0111\u00f3, s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn m\u1eadt \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m, t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a g\u1ed1m.<\/p>\n
B\u1ed9t alumina v\u1edbi h\u00ecnh d\u1ea1ng th\u00f4ng th\u01b0\u1eddng s\u1ebd c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m trong qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 ph\u00e2n c\u1ea5p h\u1ea1t h\u1ee3p l\u00fd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o h\u1ea1t b\u1eb1ng c\u00e1ch th\u00eam ch\u1ea5t k\u1ebft d\u00ednh v\u00e0o b\u1ed9t. L\u00e0m cho n\u00f3 l\u1ecfng h\u01a1n s\u1ebd c\u00f3 t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 thi\u00eau k\u1ebft ti\u1ebfp theo. Trong s\u1ed1 \u0111\u00f3, qu\u00e1 tr\u00ecnh t\u1ea1o h\u1ea1t l\u00e0 l\u00e0m cho b\u1ed9t t\u1ea1o th\u00e0nh h\u00ecnh c\u1ea7u d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh, \u0111i\u1ec1u n\u00e0y c\u0169ng gi\u00e1n ti\u1ebfp cho th\u1ea5y r\u1eb1ng alumina h\u00ecnh c\u1ea7u \u0111\u00f3ng vai tr\u00f2 t\u00edch c\u1ef1c trong vi\u1ec7c c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 g\u1ed1m s\u1ee9 trong qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 thi\u00eau k\u1ebft.<\/p>\n
Do \u0111\u00f3, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng hi\u1ec7u su\u1ea5t (h\u00ecnh th\u00e1i v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t) c\u1ee7a b\u1ed9t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft g\u1ed1m, \u0111i\u1ec1u \u0111\u00f3 c\u0169ng c\u00f3 ngh\u0129a l\u00e0 t\u00ednh d\u1eabn nhi\u1ec7t c\u1ee7a g\u1ed1m kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi n\u00f3. Sau khi \u0111\u00fac v\u00e0 thi\u00eau k\u1ebft, b\u1ed9t v\u1ea3y c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n v\u00e0 \u0111\u1ed9 x\u1ed1p cao h\u01a1n. , c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 suy \u0111o\u00e1n s\u01a1 b\u1ed9 r\u1eb1ng \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a n\u00f3 kh\u00f4ng cao; v\u00e0 b\u1ed9t alumina h\u00ecnh c\u1ea7u c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t g\u1ed1m s\u1ee9 trong su\u1ed1t m\u1eadt \u0111\u1ed9 cao, v\u00ec v\u1eady c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 r\u1eb1ng s\u1eed d\u1ee5ng b\u1ed9t h\u00ecnh c\u1ea7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf g\u1ed1m d\u1eabn nhi\u1ec7t l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p.<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t ch\u1ee7 y\u1ebfu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 hi\u1ec7u su\u1ea5t thi\u00eau k\u1ebft c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m.<\/p>\n","protected":false},"author":7,"featured_media":127609,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-127644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=127644"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127644\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/127609"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=127644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=127644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=127644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}