{"id":128475,"date":"2023-08-30T14:25:44","date_gmt":"2023-08-30T06:25:44","guid":{"rendered":"https:\/\/www.alpapowder.com\/128475\/"},"modified":"2023-08-30T14:25:45","modified_gmt":"2023-08-30T06:25:45","slug":"10-thay-doi-lon-sau-khi-nghien-sieu-min-nguyen-lieu-bot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/128475\/","title":{"rendered":"10 thay \u0111\u1ed5i l\u1edbn sau khi nghi\u1ec1n si\u00eau m\u1ecbn nguy\u00ean li\u1ec7u b\u1ed9t!"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-large wp-image-128435\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-1024x813.webp\" alt=\"\" width=\"840\" height=\"667\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-1024x813.webp 1024w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-300x238.webp 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-768x610.webp 768w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-350x278.webp 350w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-uai-720x572.webp 720w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder-uai-1032x820.webp 1032w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/08\/ultrafine-grinding-of-powder.webp 1050w\" sizes=\"(max-width: 840px) 100vw, 840px\" \/><\/p>\n<p>Nh\u1eefng thay \u0111\u1ed5i kh\u00e1c nhau x\u1ea3y ra \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nghi\u1ec1n trong qu\u00e1 tr\u00ecnh nghi\u1ec1n l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00f4, nh\u01b0ng \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn, do c\u00e1c l\u00fd do nh\u01b0 c\u01b0\u1eddng \u0111\u1ed9 nghi\u1ec1n cao, th\u1eddi gian nghi\u1ec1n d\u00e0i v\u00e0 nh\u1eefng thay \u0111\u1ed5i l\u1edbn v\u1ec1 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u. , n\u00f3 c\u00f3 v\u1ebb quan tr\u1ecdng. S\u1ef1 thay \u0111\u1ed5i c\u1ea5u tr\u00fac tinh th\u1ec3 v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n do qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng c\u01a1 h\u00f3a c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n.<\/p>\n<p>1. Thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc h\u1ea1t<\/p>\n<p>Sau khi nghi\u1ec1n si\u00eau m\u1ecbn, s\u1ef1 thay \u0111\u1ed5i r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a ch\u1ea5t li\u1ec7u b\u1ed9t l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn h\u01a1n. Theo c\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau, b\u1ed9t si\u00eau m\u1ecbn th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh: c\u1ea5p micron (c\u1ee1 h\u1ea1t 1 ~ 30 \u03bcm), c\u1ea5p submicron (c\u1ee1 h\u1ea1t 1 ~ 0,1 \u03bcm) v\u00e0 c\u1ea5p nano (c\u1ee1 h\u1ea1t 0,001 ~ 0,1 \u03bcm).<\/p>\n<p>2. Thay \u0111\u1ed5i c\u1ea5u tr\u00fac tinh th\u1ec3<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn, do l\u1ef1c c\u01a1 h\u1ecdc m\u1ea1nh v\u00e0 b\u1ec1n, v\u1eadt li\u1ec7u b\u1ed9t b\u1ecb bi\u1ebfn d\u1ea1ng m\u1ea1ng \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau, k\u00edch th\u01b0\u1edbc h\u1ea1t tr\u1edf n\u00ean nh\u1ecf h\u01a1n, c\u1ea5u tr\u00fac tr\u1edf n\u00ean r\u1ed1i lo\u1ea1n, c\u00e1c ch\u1ea5t v\u00f4 \u0111\u1ecbnh h\u00ecnh ho\u1eb7c v\u00f4 \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 th\u1eadm ch\u00ed chuy\u1ec3n \u0111\u1ed5i \u0111a tinh th\u1ec3. . Nh\u1eefng thay \u0111\u1ed5i n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng nhi\u1ec5u x\u1ea1 tia X, quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i, c\u1ed9ng h\u01b0\u1edfng t\u1eeb h\u1ea1t nh\u00e2n, c\u1ed9ng h\u01b0\u1edfng thu\u1eadn t\u1eeb \u0111i\u1ec7n t\u1eed v\u00e0 \u0111o nhi\u1ec7t l\u01b0\u1ee3ng vi ph\u00e2n.<\/p>\n<p>&nbsp;<\/p>\n<p>3. Thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/p>\n<p>Do s\u1ef1 k\u00edch ho\u1ea1t c\u01a1 h\u1ecdc m\u1ea1nh m\u1ebd, v\u1eadt li\u1ec7u tr\u1ef1c ti\u1ebfp tr\u1ea3i qua c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn. C\u00e1c lo\u1ea1i ph\u1ea3n \u1ee9ng bao g\u1ed3m ph\u00e2n h\u1ee7y, ph\u1ea3n \u1ee9ng kh\u00ed-r\u1eafn, l\u1ecfng-r\u1eafn, r\u1eafn-r\u1eafn, v.v..<\/p>\n<p>&nbsp;<\/p>\n<p>4. Thay \u0111\u1ed5i \u0111\u1ed9 h\u00f2a tan<\/p>\n<p>S\u1ef1 h\u00f2a tan b\u1ed9t th\u1ea1ch anh, canxit, cassiterit, corundum, bauxite, crom, magnetite, galena, titanomagnetite, tro n\u00fai l\u1eeda, cao lanh, v.v. trong axit v\u00f4 c\u01a1 sau khi nghi\u1ec1n m\u1ecbn ho\u1eb7c nghi\u1ec1n si\u00eau m\u1ecbn. C\u1ea3 t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 h\u00f2a tan \u0111\u1ec1u t\u0103ng.<\/p>\n<p>&nbsp;<\/p>\n<p>5. Thay \u0111\u1ed5i t\u00ednh ch\u1ea5t thi\u00eau k\u1ebft<\/p>\n<p>&nbsp;<\/p>\n<p>6. Thay \u0111\u1ed5i kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation<\/p>\n<p>M\u1ed9t s\u1ed1 kho\u00e1ng v\u1eadt silicat, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ed9t s\u1ed1 kho\u00e1ng s\u00e9t nh\u01b0 <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"bentonite\" data-wpil-keyword-link=\"linked\">bentonite<\/a> v\u00e0 kaolin, c\u00f3 s\u1ef1 thay \u0111\u1ed5i r\u00f5 r\u1ec7t v\u1ec1 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation sau khi nghi\u1ec1n m\u1ecbn ho\u1eb7c nghi\u1ec1n si\u00eau m\u1ecbn.<\/p>\n<p>&nbsp;<\/p>\n<p>7. Nh\u1eefng thay \u0111\u1ed5i v\u1ec1 hi\u1ec7u su\u1ea5t hydrat h\u00f3a v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng<\/p>\n<p>Nghi\u1ec1n m\u1ecbn c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u canxi hydroxit, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u ch\u1ebf v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. B\u1edfi v\u00ec nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y tr\u01a1 ho\u1eb7c kh\u00f4ng \u0111\u1ee7 ho\u1ea1t t\u00ednh \u0111\u1ec3 hydrat h\u00f3a.<\/p>\n<p>&nbsp;<\/p>\n<p>8. Thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n<\/p>\n<p>M\u00e0i m\u1ecbn ho\u1eb7c m\u00e0i si\u00eau m\u1ecbn c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n m\u00f4i b\u1ec1 m\u1eb7t c\u1ee7a kho\u00e1ng s\u1ea3n. V\u00ed d\u1ee5, sau khi biotit b\u1ecb va \u0111\u1eadp, nghi\u1ec1n n\u00e1t v\u00e0 nghi\u1ec1n n\u00e1t, \u0111i\u1ec3m \u0111\u1eb3ng \u0111i\u1ec7n v\u00e0 th\u1ebf \u0111i\u1ec7n \u0111\u1ed9ng b\u1ec1 m\u1eb7t (th\u1ebf Zeta) c\u1ee7a n\u00f3 s\u1ebd thay \u0111\u1ed5i.<\/p>\n<p>&nbsp;<\/p>\n<p>9. Thay \u0111\u1ed5i m\u1eadt \u0111\u1ed9<\/p>\n<p>Sau khi nghi\u1ec1n zeolite t\u1ef1 nhi\u00ean (ch\u1ee7 y\u1ebfu g\u1ed3m clinoptilolite, mordenite v\u00e0 th\u1ea1ch anh) v\u00e0 zeolit t\u1ed5ng h\u1ee3p (ch\u1ee7 y\u1ebfu l\u00e0 mordenite) trong m\u00e1y nghi\u1ec1n bi h\u00e0nh tinh, ng\u01b0\u1eddi ta nh\u1eadn th\u1ea5y m\u1eadt \u0111\u1ed9 c\u1ee7a hai lo\u1ea1i zeolit n\u00e0y thay \u0111\u1ed5i kh\u00e1c nhau.<\/p>\n<p>&nbsp;<\/p>\n<p>10. S\u1ef1 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t c\u1ee7a huy\u1ec1n ph\u00f9 \u0111\u1ea5t s\u00e9t v\u00e0 hydrogel<\/p>\n<p>Nghi\u1ec1n \u01b0\u1edbt c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n kh\u00f4 c\u1ee7a \u0111\u1ea5t s\u00e9t.<\/p>\n<p>&nbsp;<\/p>\n<p>N\u00f3i t\u00f3m l\u1ea1i, ngo\u00e0i c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4, k\u00edch th\u01b0\u1edbc h\u1ea1t th\u1ee9c \u0103n v\u00e0 th\u1eddi gian nghi\u1ec1n ho\u1eb7c k\u00edch ho\u1ea1t, c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i c\u01a1 h\u00f3a c\u1ee7a v\u1eadt li\u1ec7u c\u00f2n bao g\u1ed3m lo\u1ea1i thi\u1ebft b\u1ecb, ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n, m\u00f4i tr\u01b0\u1eddng ho\u1eb7c kh\u00f4ng kh\u00ed nghi\u1ec1n, ch\u1ea5t h\u1ed7 tr\u1ee3 nghi\u1ec1n, v.v.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sau khi nghi\u1ec1n si\u00eau m\u1ecbn, s\u1ef1 thay \u0111\u1ed5i r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a ch\u1ea5t li\u1ec7u b\u1ed9t l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn h\u01a1n.<\/p>\n","protected":false},"author":7,"featured_media":128435,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-128475","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\/128475","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=128475"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128475\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/128435"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=128475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=128475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=128475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}