{"id":9330,"date":"2020-04-13T16:22:00","date_gmt":"2020-04-13T09:22:00","guid":{"rendered":"https:\/\/phelieu247.com\/?p=9330"},"modified":"2020-04-13T16:44:47","modified_gmt":"2020-04-13T09:44:47","slug":"phuong-phap-dieu-che-kim-loai","status":"publish","type":"post","link":"https:\/\/phelieu247.com\/en\/phuong-phap-dieu-che-kim-loai\/","title":{"rendered":"L\u00fd Thuy\u1ebft V\u1ec1 Nguy\u00ean T\u1eafc V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i"},"content":{"rendered":"<p class=\"qtranxs-available-languages-message qtranxs-available-languages-message-en\">Sorry, this entry is only available in <a href=\"https:\/\/phelieu247.com\/vi\/wp-json\/wp\/v2\/posts\/9330\" class=\"qtranxs-available-language-link qtranxs-available-language-link-vi\" title=\"Ti\u1ebfng Vi\u1ec7t\">Ti\u1ebfng Vi\u1ec7t<\/a>. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p><p><\/p>\n<p style=\"text-align: justify;\"><em>Nh\u1eefng thanh kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh h\u1ea7u nh\u01b0 \u0111\u1ec1u c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb m\u1ecf kho\u00e1ng th\u1ea1ch trong l\u00f2ng \u0111\u1ea5t. Nh\u1eefng m\u1ecf n\u00e0y \u1edf d\u1ea1ng h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang ch\u1ee9 kh\u00f4ng l\u00e0 kim lo\u1ea1i nguy\u00ean ch\u1ea5t. T\u1eeb nh\u1eefng m\u1ecf kho\u00e1ng ch\u1ee9a \u0111\u1ea7y h\u1ee3p ch\u1ea5t v\u00e0 t\u1ea1p ch\u1ea5t. V\u1eady c\u00e1c ng\u00e0nh l\u00e0m trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t kim lo\u1ea1i \u0111\u00e3 l\u00e0m g\u00ec \u0111\u1ec3 t\u1ea1o th\u00e0nh thanh nguy\u00ean ch\u1ea5t? <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/phelieu247.com\/phuong-phap-dieu-che-kim-loai\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf kim lo\u1ea1i<\/strong><\/a><\/span> m\u00e0 h\u1ecd \u0111\u00e3 s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/em><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #008000; font-size: 24pt;\"><strong>Nguy\u00ean T\u1eafc \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9333\" src=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai.jpg\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf kim lo\u1ea1i\" width=\"800\" height=\"571\" srcset=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai.jpg 800w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-300x214.jpg 300w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-768x548.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\">\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i l\u00e0 c\u00e1ch t\u1ea1o ra kim lo\u1ea1i nguy\u00ean ch\u1ea5t t\u1eeb h\u1ed7n h\u1ee3p ho\u1eb7c h\u1ee3p ch\u1ea5t t\u1ef1 nhi\u00ean c\u1ee7a n\u00f3. Trong t\u1ef1 nhi\u00ean ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 r\u1ea5t \u00edt kim lo\u1ea1i \u1edf tr\u1ea1ng th\u00e1i t\u1ef1 do. H\u1ea7u h\u1ebft ch\u00fang t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng ion trong c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc. Mu\u1ed1n chuy\u1ec3n h\u00f3a nh\u1eefng ion n\u00e0y th\u00e0nh kim lo\u1ea1i ta th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh kh\u1eed ion kim lo\u1ea1i c\u1ee7a ch\u00fang. Do \u0111\u00f3, nguy\u00ean t\u1eafc cung trong \u0111i\u1ec1u ch\u1ebf kim lo\u1ea1i l\u00e0 kh\u1eed ion. Ph\u01b0\u01a1ng tr\u00ecnh t\u1ed5ng qu\u00e1t \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua:<strong> M<sup>n+<\/sup>\u00a0+ ne \u2192 M<\/strong><\/p>\n<p style=\"text-align: justify;\">Ph\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u ch\u1ebf m\u1ed9t v\u00e0i kim lo\u1ea1i \u0111i\u1ec3n h\u00ecnh:<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u0110i\u1ec1u ch\u1ebf Natri: Na<sup>+<\/sup>\u00a0+ 1e\u00a0\u2192 Na<\/li>\n<li>\u0110i\u1ec1u ch\u1ebf \u0110\u1ed3ng: Cu<sup>2+<\/sup>\u00a0+ 2e\u00a0\u2192 Cu<\/li>\n<li>\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i S\u1eaft: \u00a0Fe<sup>2+<\/sup>\u00a0+ 2e\u00a0\u2192 Fe<\/li>\n<li>\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i k\u1ebdm: Zn<sup>2+<\/sup>\u00a0+ 2e\u00a0\u2192 Zn<\/li>\n<li>\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i Nh\u00f4m: Al<sup>3+<\/sup>\u00a0+ 3e \u2192 Al<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Khi \u0111i\u1ec1u ch\u1ebf kim lo\u1ea1i c\u00e1c ion kim lo\u1ea1i \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t oxi h\u00f3a. Ch\u00fang nh\u1eadn th\u00eam e trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng, tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ea7n b\u1eb1ng e.<\/p>\n<h2 style=\"text-align: justify;\"><strong><span style=\"color: #008000; font-size: 24pt;\">Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i B\u1eb1ng Ph\u01b0\u01a1ng Ph\u00e1p Nhi\u1ec7t Luy\u1ec7n<\/span><\/strong><\/h2>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9334\" src=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-1.jpg\" alt=\"\u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i B\u1eb1ng Ph\u01b0\u01a1ng Ph\u00e1p Nhi\u1ec7t Luy\u1ec7n\" width=\"800\" height=\"534\" srcset=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-1.jpg 800w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-1-300x200.jpg 300w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-1-768x513.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><em>Ph\u1ea1m vi \u00e1p d\u1ee5ng: <\/em>D\u00f9ng trong s\u1ea3n xu\u1ea5t c\u00e1c kim lo\u1ea1i c\u00f3 t\u00ednh kh\u1eed trung b\u00ecnh (Zn, Fe, Sn, Pb,\u2026) trong c\u00f4ng nghi\u1ec7p.<\/p>\n<p style=\"text-align: justify;\"><em>Nguy\u00ean t\u1eafc \u0111i\u1ec1u ch\u1ebf:<\/em> Kh\u1eed ion kim lo\u1ea1i trong h\u1ee3p ch\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 cao b\u1eb1ng c\u00e1c ch\u1ea5t kh\u1eed nh\u01b0 Al, C, H<sub>2<\/sub> CO.<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u0110i\u1ec1u ch\u1ebf s\u1eaft kim lo\u1ea1i t\u1eeb oxit s\u1eaft t\u1eeb ho\u1eb7c s\u1eaft (II) Oxit b\u1eb1ng CO ho\u1eb7c ph\u1ea3n \u1ee9ng nhi\u1ec7t nh\u00f4m:<\/li>\n<\/ul>\n<p style=\"padding-left: 40px; text-align: justify;\">3Fe<sub>3<\/sub>O<sub>4<\/sub>\u00a0 + 8Al\u00a0<span id=\"MathJax-Element-3-Frame\" style=\"margin: 0px; padding: 0px; color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot; \/&gt;\"><\/span> \u2192(t<sup>o<\/sup>) 9Fe + 4Al<sub>2<\/sub>O<sub>3<\/sub><\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">Fe<sub>2<\/sub>O<sub>3<\/sub> + 3CO \u2192(t<sup>o<\/sup>) 2Fe + 3CO<sub>2<\/sub><\/p>\n<ul style=\"text-align: justify;\">\n<li>\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i k\u1ebdm t\u1eeb k\u1ebdm oxit b\u1eb1ng ch\u1ea5t kh\u1eed l\u00e0 C v\u00e0 CO:<\/li>\n<\/ul>\n<p style=\"padding-left: 40px; text-align: justify;\">2ZnO + C \u2192(t<sup>o<\/sup>) 2Zn + CO<sub>2\u00a0<\/sub><\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">2ZnO + 2CO \u2192(t<sup>o<\/sup>) 2Zn + 2CO<sub>2<\/sub><\/p>\n<ul style=\"text-align: justify;\">\n<li>Ph\u01b0\u01a1ng tr\u00ecnh kh\u00e1c<\/li>\n<\/ul>\n<p style=\"padding-left: 40px; text-align: justify;\">WO<sub>3<\/sub>\u00a0+ 3H<sub>2<\/sub> \u2192(t<sup>o<\/sup>) W + 3H<sub>2<\/sub>O<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">TiCl<sub>4<\/sub> + 4Na \u2192(t<sup>o<\/sup>) Ti + 4NaCl<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">V<sub>2<\/sub>O<sub>5<\/sub> + 5Ca \u2192(t<sup>o<\/sup>)\u00a02V + 5CaO<\/p>\n<p style=\"text-align: justify;\">C\u00e1c ph\u1ea3n \u1ee9ng d\u00f9ng kim lo\u1ea1i ki\u1ec1m v\u00e0 kim lo\u1ea1i ki\u1ec1m th\u1ed5 l\u00e0m ch\u1ea5t kh\u1eed \u0111\u1ec1u ph\u1ea3i th\u1ef1c hi\u1ec7n trong\u00a0m\u00f4i tr\u01b0\u1eddng kh\u00ed tr\u01a1 ho\u1eb7c ch\u00e2n kh\u00f4ng. Tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec1u ch\u1ebf t\u1eeb qu\u1eb7ng l\u00e0 sunfua kim lo\u1ea1i nh\u01b0 Cu<sub>2<\/sub>S, ZnS, FeS<sub>2<\/sub>\u2026 Th\u00ec ph\u1ea3i chuy\u1ec3n sunfua kim lo\u1ea1i th\u00e0nh oxit kim lo\u1ea1i. Sau \u0111\u00f3 kh\u1eed oxit kim lo\u1ea1i b\u1eb1ng ch\u1ea5t kh\u1eed th\u00edch h\u1ee3p.<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">2ZnS + 3O<sub>2<\/sub> \u2192(t<sup>o<\/sup>) 2ZnO + 2SO<sub>2<\/sub><\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">ZnO + C \u2192(t<sup>o<\/sup>) Zn + CO<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ed1i v\u1edbi kim lo\u1ea1i kh\u00f3 n\u00f3ng ch\u1ea3y nh\u01b0 Cr, ng\u01b0\u1eddi ta d\u00f9ng Al l\u00e0m ch\u1ea5t kh\u1eed. Ph\u1ea3n \u1ee9ng nhi\u1ec7t nh\u00f4m t\u1ecfa nhi\u1ec7t m\u1ea1nh, l\u01b0\u1ee3ng nhi\u1ec7t t\u1ea1o ra \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111un n\u00f3ng ch\u1ea3y Cr<sub>2<\/sub>O<sub>3.<\/sub> Nh\u1edd v\u1eady gi\u1ea3m \u0111\u01b0\u1ee3c chi ph\u00ed cho\u00a0nhi\u00ean li\u1ec7u:<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">Cr<sub>2<\/sub>O<sub>3<\/sub> + 2Al \u2192(t<sup>o<\/sup>) 2Cr + Al<sub>2<\/sub>O<sub>3<\/sub><\/p>\n<p style=\"text-align: justify;\">\u0110\u1ed1i v\u1edbi nh\u1eefng kim lo\u1ea1i k\u00e9m ho\u1ea1t \u0111\u1ed9ng nh\u01b0 Hg, Ag ch\u1ec9 c\u1ea7n \u0111\u1ed1t ch\u00e1y qu\u1eb7ng c\u0169ng thu \u0111\u01b0\u1ee3c kim lo\u1ea1i:<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">HgS + O<sub>2<\/sub> \u2192(t<sup>o<\/sup>) Hg + SO<sub>2<\/sub><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #008000; font-size: 24pt;\"><strong>Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i B\u1eb1ng Ph\u01b0\u01a1ng Ph\u00e1p Th\u1ee7y Luy\u1ec7n<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9335\" src=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-2.jpg\" alt=\"\u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i B\u1eb1ng Ph\u01b0\u01a1ng Ph\u00e1p Th\u1ee7y Luy\u1ec7n\" width=\"800\" height=\"503\" srcset=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-2.jpg 800w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-2-300x189.jpg 300w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-2-768x483.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1ee7y luy\u1ec7n c\u00f2n g\u1ecdi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf nh\u1eefng kim lo\u1ea1i c\u00f3 \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc y\u1ebfu nh\u01b0 Au, Ag, Hg, Cu\u2026C\u01a1 s\u1edf c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 d\u00f9ng nh\u1eefng dung d\u1ecbch th\u00edch h\u1ee3p, nh\u01b0 dung d\u1ecbch H<sub>2<\/sub>SO<sub>4<\/sub>, NaOH, NaCN\u2026 \u0110\u1ec3 h\u00f2a tan kim lo\u1ea1i ho\u1eb7c h\u1ee3p ch\u1ea5t c\u1ee7a kim lo\u1ea1i v\u00e0 t\u00e1ch ra kh\u1ecfi ph\u1ea7n kh\u00f4ng tan c\u00f3 trong qu\u1eb7ng. Sau \u0111\u00f3 c\u00e1c ion kim lo\u1ea1i trong dung d\u1ecbch \u0111\u01b0\u1ee3c kh\u1eed b\u1eb1ng kim lo\u1ea1i c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh h\u01a1n.<\/p>\n<p style=\"text-align: justify;\">\u0110i\u1ec1u ch\u1ebf Ag b\u1eb1ng c\u00e1ch nghi\u1ec1n nh\u1ecf qu\u1eb7ng b\u1ea1c sunfua Ag<sub>2<\/sub>S. X\u1eed l\u00ed h\u1ed7n h\u1ee3p nghi\u1ec1n b\u1eb1ng dung d\u1ecbch NaCN. Sau \u0111\u00f3 l\u1ecdc \u0111\u1ec3 thu \u0111\u01b0\u1ee3c dung d\u1ecbch mu\u1ed1i ph\u1ee9c b\u1ea1c:<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">Ag<sub>2<\/sub>S + 4NaCN \u2192 2Na[Ag(CN)<sub>2<\/sub>] + Na<sub>2<\/sub>S<\/p>\n<p style=\"text-align: justify;\">Sau \u0111\u00f3, ion Ag+ trong ph\u1ee9c \u0111\u01b0\u1ee3c kh\u1eed b\u1eb1ng kim lo\u1ea1i Zn. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 d\u00f9ng kim lo\u1ea1i m\u1ea1nh \u0111\u1ec3 \u0111\u1ea9y kim lo\u1ea1i y\u1ebfu h\u01a1n ra kh\u1ecfi mu\u1ed1i.<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">Zn + 2Na[Ag(CN)<sub>2<\/sub>] \u2192 Na<sub>2<\/sub>[Zn(CN)<sub>4<\/sub>] + 2Ag<\/p>\n<p style=\"text-align: justify;\">V\u00e0ng l\u1eabn trong \u0111\u1ea5t \u0111\u00e1 c\u00f3 th\u1ec3 h\u00f2a tan d\u1ea7n trong dung d\u1ecbch NaCN c\u00f3 s\u1ee5c oxi. Cu\u1ed1i c\u00f9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch mu\u1ed1i ph\u1ee9c c\u1ee7a v\u00e0ng:<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">4Au + 8NaCN + O<sub>2<\/sub>\u00a0+ 2H<sub>2<\/sub>O \u2192 4Na[Au(CN)<sub>2<\/sub>] + 4NaOH<\/p>\n<p style=\"text-align: justify;\">Sau \u0111\u00f3, ion Au<sup>3+<\/sup> trong ph\u1ee9c \u0111\u01b0\u1ee3c kh\u1eed b\u1eb1ng kim lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh h\u01a1n l\u00e0 Zn:<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">Zn + 2Na[Au(CN)<sub>2<\/sub>] \u2192 Na<sub>2<\/sub>[Zn(CN)<sub>4<\/sub>] + 2Au<\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #008000; font-size: 24pt;\"><strong>Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i B\u1eb1ng Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec7n Ph\u00e2n<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\">Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ph\u00e2n l\u00e0 ph\u01b0\u01a1ng ph\u00e1p v\u1ea1n n\u0103ng. Ch\u00fang c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i. T\u1eeb nh\u1eefng kim lo\u1ea1i c\u00f3 \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc cao \u0111\u1ebfn trung b\u00ecnh v\u00e0 th\u1ea5p.<\/p>\n<p style=\"text-align: justify;\">C\u01a1 s\u1edf c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 d\u00f9ng d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u \u0111\u1ec3 kh\u1eed c\u00e1c ion kim lo\u1ea1i. T\u00e1c nh\u00e2n kh\u1eed l\u00e0 c\u1ef1c (\u2013) m\u1ea1nh h\u01a1n nhi\u1ec1u l\u1ea7n t\u00e1c nh\u00e2n kh\u1eed l\u00e0 ch\u1ea5t h\u00f3a h\u1ecdc<\/p>\n<p style=\"text-align: justify;\">Ph\u01b0\u01a1ng ph\u00e1p chung \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf c\u00e1c kim lo\u1ea1i Na, Ca, Al trong c\u00f4ng nghi\u1ec7p l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ph\u00e2n; b\u1eb1ng c\u00e1ch \u0111i\u1ec7n ph\u00e2n nh\u1eefng h\u1ee3p ch\u1ea5t (mu\u1ed1i, baz\u01a1, oxit) n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00fang.<\/p>\n<p style=\"text-align: justify;\"><strong>V\u00ed d\u1ee5<\/strong>: S\u01a1 \u0111\u1ed3 th\u00f9ng \u0111i\u1ec7n ph\u00e2n NaCl n\u00f3ng ch\u1ea3y \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf Na<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9336\" src=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-3.jpg\" alt=\"\u0110i\u1ec1u ch\u1ebf Na trong c\u00f4ng nghi\u1ec7p\" width=\"800\" height=\"450\" srcset=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-3.jpg 800w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-3-300x169.jpg 300w, https:\/\/phelieu247.com\/wp-content\/uploads\/2020\/04\/phuong-phap-dieu-che-kim-loai-3-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><em>Nguy\u00ean li\u1ec7u l\u00e0 NaCl tinh khi\u1ebft<br \/>\n<\/em><em>C\u1ef1c d\u01b0\u01a1ng l\u00e0m b\u1eb1ng than ch\u00ec, c\u1ef1c \u00e2m b\u1eb1ng th\u00e9p<br \/>\n<\/em>\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i c\u00f3 t\u00ednh kh\u1eed trung b\u00ecnh v\u00e0 y\u1ebfu nh\u01b0 Zn, Cu,..b\u1eb1ng c\u00e1ch \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch mu\u1ed1i c\u1ee7a ch\u00fang<\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">ZnBr<sub>2<\/sub> \u2192 (\u0111i\u1ec7n ph\u00e2n)\u00a0Zn + Br<sub>2<\/sub><\/p>\n<p style=\"padding-left: 40px; text-align: justify;\">2CuSO<sub>4<\/sub>\u00a0+ 2H<sub>2<\/sub>O \u2192 (\u0111i\u1ec7n ph\u00e2n)\u00a02Cu + 2H<sub>2<\/sub>SO<sub>4<\/sub>\u00a0+ O<sub>2<\/sub><\/p>\n<p style=\"text-align: justify;\">Ph\u1ebf Li\u1ec7u 247, \u0111\u01a1n v\u1ecb chuy\u00ean <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/phelieu247.com\/thu-mua-phe-lieu\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em><strong>thu mua ph\u1ebf li\u1ec7u<\/strong><\/em><\/a><\/span> tr\u00ean to\u00e0n qu\u1ed1c. V\u1edbi 13 n\u0103m kinh nghi\u1ec7m trong ngh\u1ec1, ch\u00fang t\u00f4i lu\u00f4n t\u1ef1 h\u00e0o l\u00e0 \u0111\u01a1n v\u1ecb \u0111i \u0111\u1ea7u trong ng\u00e0nh thu mua v\u00e0 t\u00e1i ch\u1ebf ph\u1ebf li\u1ec7u. Thu mua t\u1eadn n\u01a1i, quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n, thanh to\u00e1n nhanh ch\u00f3ng l\u00e0 ph\u01b0\u01a1ng ch\u00e2m l\u00e0m vi\u1ec7c c\u1ee7a Ph\u1ebf Li\u1ec7u 247. Li\u00ean h\u1ec7 0974655133 \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chi ti\u1ebft nh\u1ea5t.<\/p>\n<blockquote><p>Xem th\u00eam: <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/phelieu247.com\/bang-gia-thu-mua-phe-lieu\/\" target=\"_blank\" rel=\"noopener noreferrer\">B\u1ea3ng gi\u00e1 thu mua ph\u1ebf li\u1ec7u 2020 ch\u00ednh x\u00e1c nh\u1ea5t<\/a><\/strong><\/span><\/p><\/blockquote>\n<p><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;right&quot;,&quot;id&quot;:&quot;9330&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;22&quot;,&quot;title&quot;:&quot;L\u00fd Thuy\u1ebft V\u1ec1 Nguy\u00ean T\u1eafc V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i&quot;,&quot;width&quot;:&quot;132.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 132.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 17.6px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Sorry, this entry is only available in Ti\u1ebfng Vi\u1ec7t. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. Nh\u1eefng thanh kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh h\u1ea7u nh\u01b0 \u0111\u1ec1u c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb m\u1ecf kho\u00e1ng &hellip; <a href=\"https:\/\/phelieu247.com\/en\/phuong-phap-dieu-che-kim-loai\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">L\u00fd Thuy\u1ebft V\u1ec1 Nguy\u00ean T\u1eafc V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":9335,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u00fd Thuy\u1ebft V\u1ec1 Nguy\u00ean T\u1eafc V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p \u0110i\u1ec1u Ch\u1ebf Kim Lo\u1ea1i<\/title>\n<meta name=\"description\" content=\"B\u1eb1ng c\u00e1ch n\u00e0o m\u00e0 nh\u1eefng kho\u00e1ng th\u1ea1ch, m\u1ecf kho\u00e1ng \u0111\u1ea7y t\u1ea1p ch\u1ea5t l\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh nh\u1eefng thanh kim lo\u1ea1i \u0111\u1ed3ng ch\u1ea5t? 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