{"id":3830,"date":"2026-07-01T17:00:57","date_gmt":"2026-07-01T09:00:57","guid":{"rendered":"https:\/\/www.nonmetallic-ore.com\/?p=3830"},"modified":"2026-07-01T17:01:35","modified_gmt":"2026-07-01T09:01:35","slug":"2-proven-methods-to-precisely-control-particle-size-in-light-calcium-carbonate","status":"publish","type":"post","link":"https:\/\/www.nonmetallic-ore.com\/vi\/2-proven-methods-to-precisely-control-particle-size-in-light-calcium-carbonate\/","title":{"rendered":"2 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t trong canxi cacbonat nh\u1eb9"},"content":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh cacbonat h\u00f3a canxi cacbonat nh\u1eb9 (PCC), s\u1ef1 h\u00ecnh th\u00e0nh m\u1ea7m tinh th\u1ec3 v\u00e0 s\u1ef1 k\u1ebft t\u1ee5 do va ch\u1ea1m c\u1ee7a c\u00e1c h\u1ea1t b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi \u0111\u1ed9ng h\u1ecdc ph\u1ea3n \u1ee9ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u00e1c h\u1ea1t qu\u00e1 kh\u1ed5, ph\u00e2n b\u1ed1 r\u1ed9ng v\u00e0 s\u1ef1 k\u1ebft t\u1ee5 nghi\u00eam tr\u1ecdng - nh\u1eefng v\u1ea5n \u0111\u1ec1 l\u00e0m h\u1ea1n ch\u1ebf \u0111\u00e1ng k\u1ec3 vi\u1ec7c \u1ee9ng d\u1ee5ng PCC trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u00e1 tr\u1ecb cao. B\u00e0i b\u00e1o n\u00e0y tr\u00ecnh b\u00e0y hai ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3\u2014<strong>c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n si\u00eau \u00e2m<\/strong> V\u00e0 <strong>s\u1eeda \u0111\u1ed5i ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t<\/strong>Ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 t\u1ed1i \u01b0u h\u00f3a s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, gi\u1ea3m s\u1ef1 k\u1ebft t\u1ee5 v\u00e0 mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"471\" height=\"313\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/02\/Calcium-Carbonate.webp\" alt=\"Canxi cacbonat\" class=\"wp-image-3710\" style=\"aspect-ratio:1.5048277506258194;width:835px;height:auto\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/02\/Calcium-Carbonate.webp 471w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/02\/Calcium-Carbonate-300x199.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/02\/Calcium-Carbonate-18x12.webp 18w\" sizes=\"(max-width: 471px) 100vw, 471px\" \/><figcaption class=\"wp-element-caption\">Canxi cacbonat<\/figcaption><\/figure>\n\n\n\n<p><a id=\"challenge\"><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">1. Th\u00e1ch th\u1ee9c trong vi\u1ec7c ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t trong PCC<\/mark><\/h2>\n\n\n\n<p>Canxi cacbonat k\u1ebft t\u1ee7a (canxi cacbonat nh\u1eb9) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch nung \u0111\u00e1 v\u00f4i \u0111\u1ec3 t\u1ea1o ra v\u00f4i (canxi oxit) v\u00e0 carbon dioxide, t\u00f4i v\u00f4i v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra s\u1eefa canxi hydroxit, sau \u0111\u00f3 cho carbon dioxide v\u00e0o \u0111\u1ec3 k\u1ebft t\u1ee7a canxi cacbonat, ti\u1ebfp theo l\u00e0 kh\u1eed n\u01b0\u1edbc, s\u1ea5y kh\u00f4 v\u00e0 nghi\u1ec1n.<\/p>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh cacbonat h\u00f3a, s\u1ef1 h\u00ecnh th\u00e0nh m\u1ea7m tinh th\u1ec3 v\u00e0 s\u1ef1 k\u1ebft t\u1ee5 do va ch\u1ea1m c\u1ee7a c\u00e1c h\u1ea1t b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi s\u1ef1 ki\u1ec3m so\u00e1t ph\u1ea3n \u1ee9ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1c h\u1ea1t qu\u00e1 kh\u1ed5<\/strong> kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a kh\u00e2u ti\u1ebfp theo.<\/li>\n\n\n\n<li><strong>Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng<\/strong> v\u1edbi t\u00ednh bi\u1ebfn thi\u00ean cao<\/li>\n\n\n\n<li><strong>S\u1ef1 k\u1ebft t\u1ee5 nghi\u00eam tr\u1ecdng<\/strong> \u0111i\u1ec1u \u0111\u00f3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u00e3 h\u1ea1n ch\u1ebf vi\u1ec7c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i PCC trong c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi cao nh\u01b0 \u00e9p phun luy\u1ec7n kim, pha ch\u1ebf cao su v\u00e0 l\u1edbp ph\u1ee7 hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n<p><a id=\"method1\"><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">2. Ph\u01b0\u01a1ng ph\u00e1p 1: C\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n si\u00eau \u00e2m<\/mark><\/h2>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb PCC, giai \u0111o\u1ea1n ph\u1ea3n \u1ee9ng cacbonat h\u00f3a l\u00e0 giai \u0111o\u1ea1n quan tr\u1ecdng \u0111\u1ec3 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh th\u00e1i h\u1ea1t. \u0110\u1ec3 gi\u1ea3i quy\u1ebft hi\u1ec7n t\u01b0\u1ee3ng v\u00f3n c\u1ee5c trong giai \u0111o\u1ea1n h\u00ecnh th\u00e0nh m\u1ea7m v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c h\u1ea1t CaCO\u2083 trong ph\u1ea3n \u1ee9ng gi\u1eefa Ca(OH)\u2082 v\u00e0 CO\u2082, <strong>c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n si\u00eau \u00e2m<\/strong> \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 tr\u1ed9n vi m\u00f4 c\u1ee7a dung d\u1ecbch ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"816\" height=\"403\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Ultrasonic-transducer.webp\" alt=\"\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m\" class=\"wp-image-3832\" style=\"aspect-ratio:2.024838051608747;width:848px;height:auto\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Ultrasonic-transducer.webp 816w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Ultrasonic-transducer-300x148.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Ultrasonic-transducer-768x379.webp 768w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Ultrasonic-transducer-18x9.webp 18w\" sizes=\"(max-width: 816px) 100vw, 816px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">C\u00e1c tham s\u1ed1 tri\u1ec3n khai<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1<\/th><th>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th><\/tr><\/thead><tbody><tr><td>Lo\u1ea1i \u0111\u1ea7u d\u00f2<\/td><td>\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m t\u1ea7n s\u1ed1 cao ch\u1ed1ng \u0103n m\u00f2n (b\u1ed9 truy\u1ec1n \u0111\u1ed9ng g\u1ed1m \u00e1p \u0111i\u1ec7n)<\/td><\/tr><tr><td>T\u00ednh th\u01b0\u1eddng xuy\u00ean<\/td><td>25 kHz<\/td><\/tr><tr><td>Ph\u1ea1m vi c\u00f4ng su\u1ea5t<\/td><td>800 \u2013 1.200 W<\/td><\/tr><tr><td>M\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng \u00e2m thanh<\/td><td>T\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng.<\/td><\/tr><tr><td>Th\u1eddi gian n\u1ed9p \u0111\u01a1n<\/td><td>10 \u2013 15 ph\u00fat \u0111\u1ea7u ti\u00ean c\u1ee7a ph\u1ea3n \u1ee9ng (b\u1eaft \u0111\u1ea7u khi h\u1ed7n h\u1ee3p Ca(OH)\u2082 ti\u1ebfp x\u00fac v\u1edbi CO\u2082)<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 l\u00f2 ph\u1ea3n \u1ee9ng<\/td><td>40 \u2013 45\u00b0C<\/td><\/tr><tr><td>\u00c1p l\u1ef1c<\/td><td>\u2264 0,2 MPa<\/td><\/tr><tr><td>L\u00e0m m\u00e1t<\/td><td>\u00c1o n\u01b0\u1edbc l\u00e0m m\u00e1t \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 t\u01b0\u1eddng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Ngu\u1ed3n: \u0110\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1eeb t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n ng\u00e0nh.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h3>\n\n\n\n<p>Si\u00eau \u00e2m t\u1ea1o ra <strong>hi\u1ec7u \u1ee9ng t\u1ea1o b\u1ecdt kh\u00ed<\/strong> \u1edf pha l\u1ecfng, trong \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00e1 v\u1ee1 c\u00e1c c\u1ee5m CaCO\u2083 m\u1edbi h\u00ecnh th\u00e0nh \u1edf quy m\u00f4 hi\u1ec3n vi.<\/li>\n\n\n\n<li>Ng\u0103n ch\u1eb7n s\u1ef1 k\u1ebft t\u1ee5 tinh th\u1ec3 th\u1ee9 c\u1ea5p<\/li>\n\n\n\n<li>\u1ee8c ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t<\/li>\n\n\n\n<li>\u1ed4n \u0111\u1ecbnh c\u1ea5u tr\u00fac h\u1ea1t<\/li>\n<\/ul>\n\n\n\n<p>Tr\u01b0\u1eddng si\u00eau \u00e2m ch\u1ec9 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong qu\u00e1 tr\u00ecnh n\u00e0y. <strong>10-15 ph\u00fat \u0111\u1ea7u ti\u00ean<\/strong> c\u1ee7a ph\u1ea3n \u1ee9ng\u2014b\u1eaft \u0111\u1ea7u khi h\u1ed7n h\u1ee3p canxi hydroxit b\u1eaft \u0111\u1ea7u ti\u1ebfp x\u00fac v\u1edbi CO\u2082\u2014nh\u1eb1m tr\u00e1nh t\u0103ng ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 hao m\u00f2n thi\u1ebft b\u1ecb do s\u1ef1 c\u1ee9ng l\u1ea1i c\u1ee7a c\u00e1c h\u1ea1t \u1edf giai \u0111o\u1ea1n sau.<\/p>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c <strong>40\u201345\u00b0C<\/strong> v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t <strong>d\u01b0\u1edbi 0,2 MPa<\/strong> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng t\u1ea1o b\u1ecdt kh\u00ed. \u00c1o n\u01b0\u1edbc l\u00e0m m\u00e1t \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 th\u00e0nh \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c khuy\u1ebft t\u1eadt tinh th\u1ec3 do qu\u00e1 nhi\u1ec7t c\u1ee5c b\u1ed9.<\/p>\n\n\n\n<p>C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i g\u1ed1m \u00e1p \u0111i\u1ec7n c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ea7n s\u1ed1 cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, do \u0111\u00f3 ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng cacbonat h\u00f3a li\u00ean t\u1ee5c.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"523\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/09\/powder-coating-machine.webp\" alt=\"\" class=\"wp-image-3554\" style=\"aspect-ratio:1.5296731884450707;width:868px;height:auto\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/09\/powder-coating-machine.webp 800w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/09\/powder-coating-machine-300x196.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/09\/powder-coating-machine-768x502.webp 768w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/09\/powder-coating-machine-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><a id=\"method2\"><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">3. Ph\u01b0\u01a1ng ph\u00e1p 2: \u0110i\u1ec1u ch\u1ec9nh ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t<\/mark><\/h2>\n\n\n\n<p>Trong giai \u0111o\u1ea1n h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c h\u1ea1t PCC, <strong>s\u1eeda \u0111\u1ed5i ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ec3 ki\u1ec3m so\u00e1t s\u1ef1 k\u1ebft t\u1ee5 h\u1ea1t \u1edf c\u1ea5p \u0111\u1ed9 giao di\u1ec7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">X\u00e2y d\u1ef1ng v\u00e0 th\u1ef1c hi\u1ec7n<\/h3>\n\n\n\n<p><strong>Y\u1ebfu t\u1ed1 b\u1ed5 ng\u1eef ch\u00ednh:<\/strong> Polyoxyetylen alkyl ete kh\u00f4ng ion (OP-10)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c chu\u1ea9n b\u1ecb nh\u01b0 m\u1ed9t <strong>0.3%<\/strong> gi\u1ea3i ph\u00e1p<\/li>\n\n\n\n<li>\u0110\u00e3 \u0111\u01b0\u1ee3c tr\u1ed9n s\u1eb5n t\u1ea1i <strong>0.6%<\/strong> t\u1ed5ng th\u1ec3 t\u00edch dung d\u1ecbch ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc khi b\u01a1m v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng cacbonat h\u00f3a<\/li>\n<\/ul>\n\n\n\n<p><strong>Y\u1ebfu t\u1ed1 b\u1ed5 tr\u1ee3 th\u1ee9 c\u1ea5p:<\/strong> Natri dodecylbenzen sulfonat (SDBS) d\u1ea1ng anion<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 c\u1ea5u tr\u00fac<\/li>\n\n\n\n<li>T\u1ed5ng li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t <strong>trong v\u00f2ng 1%<\/strong> th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng<\/li>\n<\/ul>\n\n\n\n<p><strong>Quy tr\u00ecnh ti\u00eam:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1eaft \u0111\u1ea7u nh\u1ecf gi\u1ecdt khi t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch CO\u2082 v\u01b0\u1ee3t qu\u00e1 m\u1ee9c nh\u1ea5t \u0111\u1ecbnh. <strong>50%<\/strong><\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng b\u01a1m nhu \u0111\u1ed9ng t\u1ea1i <strong>3 \u2013 5 mL\/ph\u00fat<\/strong> \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 t\u0103ng \u0111\u1ed9t bi\u1ebfn n\u1ed3ng \u0111\u1ed9 c\u1ee5c b\u1ed9<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110i\u1ec1u ki\u1ec7n tr\u1ed9n:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1eddi gian tr\u1ed9n k\u00e9o d\u00e0i: <strong>10 ph\u00fat<\/strong><\/li>\n\n\n\n<li>Ch\u1ebf \u0111\u1ed9 c\u1eaft th\u1ea5p: <strong>\u2264 80 v\u00f2ng\/ph\u00fat<\/strong><\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf c\u00e1nh khu\u1ea5y nhi\u1ec1u l\u1edbp d\u1ea1ng g\u1ea5p kh\u00fac gi\u00fap tr\u1ed9n hi\u1ec7u qu\u1ea3 d\u01b0\u1edbi t\u1ea3i tr\u1ecdng c\u1eaft th\u1ea5p.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u01a1 ch\u1ebf t\u00e1c d\u1ee5ng<\/h3>\n\n\n\n<p>C\u00e1c ph\u00e2n t\u1eed OP-10 s\u1edf h\u1eefu c\u1ea5u tr\u00fac \u01b0a n\u01b0\u1edbc-k\u1ef5 n\u01b0\u1edbc, c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 l\u00ean b\u1ec1 m\u1eb7t tinh th\u1ec3 CaCO\u2083, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng. <strong>l\u1edbp c\u1ea3n tr\u1edf kh\u00f4ng gian<\/strong> \u0110i\u1ec1u \u0111\u00f3 ng\u0103n ch\u1eb7n s\u1ef1 k\u1ebft t\u1ee5 ti\u1ebfp theo.<\/p>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i ph\u1ee5 thu\u1ed9c v\u00e0o <strong>h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd v\u00e0 l\u1ef1c \u0111\u1ea9y t\u0129nh \u0111i\u1ec7n<\/strong> Nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec3m so\u00e1t giao di\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc m\u1ea1nh. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch t\u1ed1t gi\u1eefa quy tr\u00ecnh v\u00e0 nguy\u00ean v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>M\u1ed8T <strong>b\u01b0\u1edbc r\u1eeda b\u1eb1ng n\u01b0\u1edbc m\u1ec1m<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf giai \u0111o\u1ea1n x\u1eed l\u00fd sau \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n b\u1ea9n ch\u01b0a \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5, ng\u0103n ng\u1eeba b\u1ea5t k\u1ef3 \u1ea3nh h\u01b0\u1edfng n\u00e0o \u0111\u1ebfn hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<p><a id=\"results\"><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">4. K\u1ebft qu\u1ea3: C\u1ea3i thi\u1ec7n s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n.<\/mark><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 Thay \u0111\u1ed5i v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 ph\u00e2n b\u1ed1 h\u1ea1t<\/h3>\n\n\n\n<p>Sau khi \u00e1p d\u1ee5ng quy tr\u00ecnh c\u1ea3i ti\u1ebfn, s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t s\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u00e1ng k\u1ec3. Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng... <strong>m\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng laser<\/strong> tr\u00ean c\u00e1c m\u1eabu t\u1eeb c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh li\u00ean t\u1ee5c.<\/p>\n\n\n\n<p><strong>C\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D50<\/strong> (\u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh): k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0 t\u1ea1i \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c 50% c\u1ee7a ph\u00e2n b\u1ed1 t\u00edch l\u0169y<\/li>\n\n\n\n<li><strong>D90<\/strong>: k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0 t\u1ea1i \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c 90% c\u1ee7a ph\u00e2n b\u1ed1 t\u00edch l\u0169y<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>S\u1ed1 li\u1ec7u<\/th><th>Tr\u01b0\u1edbc khi c\u1ea3i ti\u1ebfn<\/th><th>Sau khi c\u1ea3i thi\u1ec7n<\/th><th>Thay \u0111\u1ed5i<\/th><\/tr><\/thead><tbody><tr><td><strong>D50<\/strong><\/td><td>4,72 \u03bcm<\/td><td><strong>4,02 \u03bcm<\/strong><\/td><td>\u2193 14.8%<\/td><\/tr><tr><td><strong>D90<\/strong><\/td><td>8,97 \u03bcm<\/td><td><strong>6,20 \u03bcm<\/strong><\/td><td>\u2193 30.9%<\/td><\/tr><tr><td><strong>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n<\/strong><\/td><td>1,73 \u03bcm<\/td><td><strong>1,08 \u03bcm<\/strong><\/td><td>\u2193 37.6%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Ngu\u1ed3n: D\u1eef li\u1ec7u th\u1eed nghi\u1ec7m t\u1eeb c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c, \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o trong c\u00e1c t\u00e0i li\u1ec7u ng\u00e0nh.<\/em><\/p>\n\n\n\n<p>\u0110\u01b0\u1eddng cong ph\u00e2n b\u1ed1 chuy\u1ec3n t\u1eeb d\u1ea1ng ph\u1eb3ng, r\u1ed9ng v\u1edbi ph\u1ea7n \u0111u\u00f4i k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 sang d\u1ea1ng... <strong>c\u1ea5u tr\u00fac t\u1eadp trung, m\u1ed9t \u0111\u1ec9nh<\/strong> v\u1edbi m\u1ed9t \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i r\u00f5 r\u00e0ng\u2014cho th\u1ea5y c\u00e1c giai \u0111o\u1ea1n h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n h\u1ea1t \u0111\u00e3 tr\u1edf n\u00ean \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"581\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Particle-size-distribution-curve.webp\" alt=\"\" class=\"wp-image-3833\" style=\"width:866px;height:auto\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Particle-size-distribution-curve.webp 896w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Particle-size-distribution-curve-300x195.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Particle-size-distribution-curve-768x498.webp 768w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/Particle-size-distribution-curve-18x12.webp 18w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><\/figure>\n\n\n\n<p><strong>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1ef1 ph\u00e2n t\u00e1n si\u00eau \u00e2m gi\u00fap t\u0103ng c\u01b0\u1eddng t\u00ednh \u0111\u1ed3ng nh\u1ea5t vi m\u00f4 c\u1ee7a c\u00e1c h\u1ea1t nh\u00e2n s\u01a1 c\u1ea5p, h\u1ea1n ch\u1ebf s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c h\u1ea1t l\u1edbn.<\/li>\n\n\n\n<li>S\u1ef1 h\u1ea5p ph\u1ee5 ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t \u0111\u00e3 ng\u0103n ng\u1eeba xu h\u01b0\u1edbng k\u1ebft t\u1ee5 th\u1ee9 c\u1ea5p.<\/li>\n\n\n\n<li>C\u1ea5u tr\u00fac k\u00edch th\u01b0\u1edbc h\u1ea1t thu \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c quy tr\u00ecnh luy\u1ec7n kim v\u00e0 c\u00e1c quy tr\u00ecnh ti\u1ebfp theo kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<p>S\u1ef1 gi\u1ea3m \u0111\u1ed9 l\u1ec7ch chu\u1ea9n t\u1eeb 1,73 \u03bcm xu\u1ed1ng 1,08 \u03bcm\u2014a <strong>gi\u1ea3m kho\u1ea3ng 38%<\/strong> \u2014\u0110i\u1ec1u n\u00e0y ph\u1ea3n \u00e1nh s\u1ef1 \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c n\u00e2ng cao trong vi\u1ec7c ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t, t\u1ea1o n\u1ec1n t\u1ea3ng h\u1ea1t t\u1ed1t h\u01a1n cho c\u00e1c giai \u0111o\u1ea1n x\u1eed l\u00fd ti\u1ebfp theo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 C\u1ea3i thi\u1ec7n s\u1ef1 k\u1ebft t\u1ee5<\/h3>\n\n\n\n<p>Trong s\u1ea3n xu\u1ea5t PCC truy\u1ec1n th\u1ed1ng, s\u1ef1 ph\u00e2n t\u00e1n m\u1ea7m tinh th\u1ec3 kh\u00f4ng \u0111\u1ee7 v\u00e0 s\u1ef1 h\u1ea5p ph\u1ee5 giao di\u1ec7n kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n tinh th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 k\u1ebft t\u1ee5 h\u1ea1t, g\u00e2y ra s\u1ef1 ph\u00e2n t\u00e1n k\u00e9m, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang th\u1ea5p v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u1edf c\u00e1c c\u00f4ng \u0111o\u1ea1n ti\u1ebfp theo.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"775\" height=\"444\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/SEM-morphology-comparison.webp\" alt=\"\" class=\"wp-image-3834\" style=\"width:869px;height:auto\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/SEM-morphology-comparison.webp 775w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/SEM-morphology-comparison-300x172.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/SEM-morphology-comparison-768x440.webp 768w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/07\/SEM-morphology-comparison-18x10.webp 18w\" sizes=\"(max-width: 775px) 100vw, 775px\" \/><\/figure>\n\n\n\n<p><strong>Quan s\u00e1t b\u1eb1ng k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed qu\u00e9t (SEM):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tr\u01b0\u1edbc khi c\u1ea3i ti\u1ebfn:<\/strong> C\u00e1c h\u1ea1t cho th\u1ea5y s\u1ef1 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd, b\u1ec1 m\u1eb7t th\u00f4 r\u00e1p, kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee5 l\u1edbn v\u00e0 c\u1ea5u tr\u00fac c\u1ee5m kh\u00f4ng \u0111\u1ec1u \u1edf c\u00e1c khu v\u1ef1c c\u1ee5c b\u1ed9.<\/li>\n\n\n\n<li><strong>Sau khi c\u1ea3i thi\u1ec7n:<\/strong> C\u00e1c h\u1ea1t th\u1ec3 hi\u1ec7n \u0111\u01b0\u1eddng vi\u1ec1n r\u00f5 r\u00e0ng, ranh gi\u1edbi r\u00f5 r\u1ec7t, k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01a1n \u0111\u1ec1u \u0111\u1eb7n v\u00e0 h\u00ecnh th\u00e1i ph\u00e2n t\u00e1n t\u1ed1t.<\/li>\n<\/ul>\n\n\n\n<p><strong>Th\u1eed nghi\u1ec7m t\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng<\/strong> (H\u00e0nh vi l\u1eafng t\u0129nh):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1<\/th><th>Tr\u01b0\u1edbc khi c\u1ea3i ti\u1ebfn<\/th><th>Sau khi c\u1ea3i thi\u1ec7n<\/th><\/tr><\/thead><tbody><tr><td>T\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng<\/td><td>0,56 cm\/ph\u00fat<\/td><td><strong>0,22 cm\/ph\u00fat<\/strong><\/td><\/tr><tr><td>Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang<\/td><td>4,2 m\u00b2\/g<\/td><td><strong>6,8 m\u00b2\/g<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Ngu\u1ed3n: \u0110o t\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t BET t\u1eeb c\u00e1c m\u1eabu s\u1ea3n xu\u1ea5t.<\/em><\/p>\n\n\n\n<p>C\u00e1c <strong>Gi\u1ea3m 60,7%<\/strong> T\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng t\u0103ng l\u00ean cho th\u1ea5y \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c h\u1ea1t trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3. <strong>T\u0103ng 62%<\/strong> Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang (t\u1eeb 4,2 \u0111\u1ebfn 6,8 m\u00b2\/g) cho th\u1ea5y ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb kh\u1ed1i l\u01b0\u1ee3ng cao h\u01a1n, gi\u00e1n ti\u1ebfp x\u00e1c nh\u1eadn m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1ch h\u1ea1t cao h\u01a1n.<\/p>\n\n\n\n<p><a id=\"economics\"><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">5. L\u1ee3i \u00edch kinh t\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/mark><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 Th\u1ea9m \u0111\u1ecbnh c\u00f4ng nghi\u1ec7p<\/h3>\n\n\n\n<p>M\u1ed9t nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t PCC \u0111\u00e3 t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n si\u00eau \u00e2m v\u00e0 c\u00f4ng ngh\u1ec7 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0o b\u1ed9 ph\u1eadn cacbon h\u00f3a hi\u1ec7n c\u00f3. Sau \u0111\u00f3 <strong>ba chu k\u1ef3 s\u1ea3n xu\u1ea5t li\u00ean ti\u1ebfp<\/strong>To\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u00e3 tr\u1ea3i qua <strong>kh\u00f4ng c\u00f3 bi\u1ebfn \u0111\u1ed9ng c\u1ea5u tr\u00fac<\/strong>v\u00e0 ph\u1ea1m vi bi\u1ebfn thi\u00ean c\u1ee7a c\u00e1c ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh \u0111\u00e3 thu h\u1eb9p \u0111\u00e1ng k\u1ec3\u2014cho th\u1ea5y s\u1ef1 s\u1eb5n s\u00e0ng cho vi\u1ec7c tri\u1ec3n khai quy m\u00f4 h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n<p>C\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t th\u00e0nh ph\u1ea9m \u0111\u01b0\u1ee3c tr\u01b0ng b\u00e0y <strong>k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t<\/strong> Tr\u00ean nhi\u1ec1u l\u00f4 s\u1ea3n xu\u1ea5t kh\u00e1c nhau, \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh luy\u1ec7n kim v\u1ec1 ph\u1ea1m vi ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 h\u00ecnh th\u00e1i h\u1ea1t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Ch\u1ec9 s\u1ed1 kinh t\u1ebf<\/td><td>Tr\u01b0\u1edbc khi c\u1ea3i ti\u1ebfn<\/td><td>Sau khi c\u1ea3i thi\u1ec7n<\/td><\/tr><tr><td>Ch\u1ec9 s\u1ed1 kinh t\u1ebf<br>Tr\u01b0\u1edbc khi c\u1ea3i ti\u1ebfn<br>Sau khi c\u1ea3i thi\u1ec7n<br>Chi ph\u00ed s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m \/ (RMB\/t\u1ea5n)<\/td><td>486<\/td><td>438<\/td><\/tr><tr><td>M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb \/ (kWh\/t)<\/td><td>123<\/td><td>108<\/td><\/tr><tr><td>S\u1ed1 l\u1ea7n l\u00e0m l\u1ea1i trung b\u00ecnh m\u1ed7i l\u00f4 h\u00e0ng \/ (l\u1ea7n\/th\u00e1ng)<\/td><td>6<\/td><td>2<\/td><\/tr><tr><td>L\u1ee3i nhu\u1eadn r\u00f2ng h\u00e0ng th\u00e1ng \/ (10.000 RMB)<\/td><td>21.4<\/td><td>29.9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 Ph\u1ea3n h\u1ed3i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/h3>\n\n\n\n<p>Ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i cho bi\u1ebft s\u1ea3n ph\u1ea9m m\u1edbi \u0111\u00e3 th\u1ec3 hi\u1ec7n nh\u1eefng \u01b0u \u0111i\u1ec3m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gi\u1ea3m s\u1ee9c c\u1ea3n v\u1eadn chuy\u1ec3n<\/strong> trong qu\u00e1 tr\u00ecnh phun n\u1ea5u ch\u1ea3y<\/li>\n\n\n\n<li><strong>C\u1ea3i thi\u1ec7n t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c l\u00f4 s\u1ea3n ph\u1ea9m.<\/strong> trong qu\u00e1 tr\u00ecnh h\u1ee3p ch\u1ea5t<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng c\u1ea3i ti\u1ebfn v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u00e0y \u0111\u00e3 g\u00f3p ph\u1ea7n tr\u1ef1c ti\u1ebfp v\u00e0o vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t quy tr\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.3 Ti\u1ebft ki\u1ec7m chi ph\u00ed<\/h3>\n\n\n\n<p>V\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng v\u00f3n c\u1ee5c gi\u1ea3m thi\u1ec3u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u00e0m l\u1ea1i c\u00e1c l\u00f4 h\u00e0ng<\/strong> gi\u1ea3m \u0111\u00e1ng k\u1ec3<\/li>\n\n\n\n<li><strong>L\u1ed7i s\u00e0ng l\u1ecdc<\/strong> \u0111\u00e3 gi\u1ea3m<\/li>\n\n\n\n<li>Ho\u1ea1t \u0111\u1ed9ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 h\u01a1n. <strong>li\u00ean t\u1ee5c v\u00e0 \u1ed5n \u0111\u1ecbnh<\/strong><\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ea3y c\u1ee7a b\u1ed9t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. <strong>\u0111\u00f3ng g\u00f3i<\/strong> hi\u1ec7u qu\u1ea3<\/li>\n\n\n\n<li>Ph\u00e2n b\u1ed1 l\u1ef1c v\u1eadt ch\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n <strong>gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng t\u00fai b\u1ecb r\u00e1ch<\/strong> t\u1eeb s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t, gi\u1ea3m t\u1ed5n th\u1ea5t v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Ch\u1ec9 s\u1ed1 chi ph\u00ed<\/th><th>Tr\u01b0\u1edbc khi c\u1ea3i ti\u1ebfn<\/th><th>Sau khi c\u1ea3i thi\u1ec7n<\/th><th>Ti\u1ebft ki\u1ec7m<\/th><\/tr><\/thead><tbody><tr><td><strong>Chi ph\u00ed s\u1ea3n xu\u1ea5t tr\u00ean m\u1ed7i t\u1ea5n<\/strong><\/td><td>486 RMB\/t\u1ea5n<\/td><td><strong>438 RMB\/t\u1ea5n<\/strong><\/td><td>48 RMB\/t\u1ea5n (\u2193 9,9%)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Ngu\u1ed3n: D\u1eef li\u1ec7u chi ph\u00ed s\u1ea3n xu\u1ea5t t\u1eeb h\u1ec7 th\u1ed1ng k\u1ebf to\u00e1n n\u1ed9i b\u1ed9 c\u1ee7a nh\u00e0 m\u00e1y. L\u01b0u \u00fd: C\u00e1c s\u1ed1 li\u1ec7u n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng cho t\u1eebng \u0111\u1ecba \u0111i\u1ec3m c\u1ee5 th\u1ec3 v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o chi ph\u00ed nguy\u00ean v\u1eadt li\u1ec7u, gi\u00e1 n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng.<\/em><\/p>\n\n\n\n<p>C\u1ea3 hai <strong>ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb<\/strong> V\u00e0 <strong>ch\u1ea5t th\u1ea3i v\u1eadt li\u1ec7u<\/strong> \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p><a id=\"conclusion\"><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">6. K\u1ebft lu\u1eadn<\/mark><\/h2>\n\n\n\n<p>S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a <strong>c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n si\u00eau \u00e2m<\/strong> V\u00e0 <strong>s\u1eeda \u0111\u1ed5i ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t<\/strong> Cung c\u1ea5p cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCC m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c ti\u1ec5n, \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tinh ch\u1ec9nh ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong> (D90 gi\u1ea3m t\u1eeb 8,97 \u03bcm xu\u1ed1ng 6,20 \u03bcm)<\/li>\n\n\n\n<li><strong>Gi\u1ea3m s\u1ef1 v\u00f3n c\u1ee5c<\/strong> (T\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng gi\u1ea3m 60,7%)<\/li>\n\n\n\n<li><strong>T\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang<\/strong> (t\u1eeb 4,2 \u0111\u1ebfn 6,8 m\u00b2\/g)<\/li>\n\n\n\n<li><strong>Chi ph\u00ed s\u1ea3n xu\u1ea5t th\u1ea5p h\u01a1n<\/strong> (Ti\u1ebft ki\u1ec7m kho\u1ea3ng 48 nh\u00e2n d\u00e2n t\u1ec7 m\u1ed7i t\u1ea5n)<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m t\u1ed1t h\u01a1n, s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng cao h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n<p><em>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCC \u0111ang t\u00ecm c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t ti\u00ean ti\u1ebfn n\u00e0y, <strong>M\u00e1y m\u00f3c b\u1ed9t EPIC<\/strong> EPIC cung c\u1ea5p c\u00e1c h\u1ec7 th\u1ed1ng nghi\u1ec1n, ph\u00e2n lo\u1ea1i v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t c\u1ee5 th\u1ec3. V\u1edbi h\u01a1n 20 n\u0103m kinh nghi\u1ec7m trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t si\u00eau m\u1ecbn v\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n to\u00e0n c\u1ea7u t\u1ea1i 160 qu\u1ed1c gia, EPIC cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p tr\u1ecdn g\u00f3i cho qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn canxi cacbonat c\u00f3 gi\u00e1 tr\u1ecb cao.<\/em><\/p>\n\n\n\n<p><em><a href=\"https:\/\/www.nonmetallic-ore.com\/vi\/contact\/\">Li\u00ean h\u1ec7<\/a> H\u00e3y li\u00ean h\u1ec7 v\u1edbi c\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1ch ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t PCC c\u1ee7a b\u1ea1n.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"562\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company-1024x562.webp\" alt=\"C\u00f4ng ty Epic Powder\" class=\"wp-image-3681\" style=\"width:872px;height:auto\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company-1024x562.webp 1024w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company-300x165.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company-768x421.webp 768w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company-1536x843.webp 1536w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company-18x10.webp 18w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2026\/01\/Epic-Powder-Company.webp 1697w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">C\u00f4ng ty Epic Powder<\/figcaption><\/figure>\n\n\n\n<p><strong>Ghi ch\u00fa v\u1ec1 ngu\u1ed3n d\u1eef li\u1ec7u:<\/strong> C\u00e1c d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt, k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m v\u00e0 s\u1ed1 li\u1ec7u s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c t\u00e0i li\u1ec7u chuy\u00ean ng\u00e0nh do \u300aPowder Technology Network\u300b xu\u1ea5t b\u1ea3n. C\u00e1c d\u1eef li\u1ec7u s\u1ed1 c\u1ee5 th\u1ec3 bao g\u1ed3m D50, D90, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n, t\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang v\u00e0 chi ph\u00ed s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o trong b\u00e0i vi\u1ebft g\u1ed1c v\u1ec1 m\u1ed9t c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t PCC. D\u1eef li\u1ec7u chi ph\u00ed s\u1ea3n xu\u1ea5t (486 RMB\/t v\u00e0 438 RMB\/t) l\u00e0 s\u1ed1 li\u1ec7u c\u1ee5 th\u1ec3 t\u1ea1i c\u01a1 s\u1edf \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o chi ph\u00ed nguy\u00ean v\u1eadt li\u1ec7u, gi\u00e1 n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"M\u00e1y nghi\u1ec1n ba tr\u1ee5c \u0111\u1ec3 c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t b\u1ed9t canxi cacbonat\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/cNzgynoeNI8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">B\u1ed9t Epic<\/mark><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.nonmetallic-ore.com\/vi\/machines\/\">B\u1ed9t Epic<\/a>V\u1edbi h\u01a1n 20 n\u0103m kinh nghi\u1ec7m trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t si\u00eau m\u1ecbn, ch\u00fang t\u00f4i t\u00edch c\u1ef1c th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n t\u01b0\u01a1ng lai c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn, t\u1eadp trung v\u00e0o c\u00e1c quy tr\u00ecnh nghi\u1ec1n, xay, ph\u00e2n lo\u1ea1i v\u00e0 c\u1ea3i ti\u1ebfn b\u1ed9t si\u00eau m\u1ecbn. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh! \u0110\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1eb1m t\u1ed1i \u0111a h\u00f3a gi\u00e1 tr\u1ecb trong qu\u00e1 tr\u00ecnh gia c\u00f4ng b\u1ed9t c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"602\" src=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/11\/Mr-Wang.webp\" alt=\"\u00d4ng V\u01b0\u01a1ng\" class=\"wp-image-3612\" style=\"width:150px;height:150px\" srcset=\"https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/11\/Mr-Wang.webp 602w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/11\/Mr-Wang-300x300.webp 300w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/11\/Mr-Wang-150x150.webp 150w, https:\/\/www.nonmetallic-ore.com\/wp-content\/uploads\/2025\/11\/Mr-Wang-12x12.webp 12w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-center is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-medium-font-size\">C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 \u0111\u1ecdc. T\u00f4i hy v\u1ecdng b\u00e0i vi\u1ebft c\u1ee7a t\u00f4i c\u00f3 \u00edch. Vui l\u00f2ng \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi \u0111\u1ea1i di\u1ec7n kh\u00e1ch h\u00e0ng tr\u1ef1c tuy\u1ebfn c\u1ee7a EPIC Powder <strong>Zelda<\/strong> \u0111\u1ec3 bi\u1ebft th\u00eam b\u1ea5t k\u1ef3 th\u00f4ng tin n\u00e0o kh\u00e1c.\u201d<\/p>\n<cite>                                                                                                                                           \u2014 <strong><a href=\"https:\/\/www.linkedin.com\/showcase\/107512344\">Jason Wang<\/a><\/strong>, K\u1ef9 s\u01b0<\/cite><\/blockquote>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/vi\/wp-json\/wp\/v2\/posts\/3830#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/vi\/wp-json\/wp\/v2\/posts\/3830#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.4\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"T\u00ean c\u1ee7a b\u1ea1n*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Email c\u1ee7a b\u1ea1n*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Pnone ho\u1eb7c Whatsapp c\u1ee7a b\u1ea1n*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"C\u00f4ng ty c\u1ee7a b\u1ea1n\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Tin nh\u1eafn c\u1ee7a b\u1ea1n\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap kc_captcha\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" ><span class=\"cf7ic_instructions\">Vui l\u00f2ng ch\u1ee9ng minh b\u1ea1n l\u00e0 ng\u01b0\u1eddi b\u1eb1ng c\u00e1ch ch\u1ecdn<span> tr\u00e1i tim<\/span>\u3002<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"kc_human\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M415 24c-53 0-103 42-127 65-24-23-74-65-127-65C70 24 16 77 16 166c0 72 67 133 69 135l187 181c9 8 23 8 32 0l187-180c2-3 69-64 69-136 0-89-54-142-145-142z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M488 313v143c0 13-11 24-24 24H348c-7 0-12-5-12-12V356c0-7-5-12-12-12h-72c-7 0-12 5-12 12v112c0 7-5 12-12 12H112c-13 0-24-11-24-24V313c0-4 2-7 4-10l188-154c5-4 11-4 16 0l188 154c2 3 4 6 4 10zm84-61l-84-69V44c0-6-5-12-12-12h-56c-7 0-12 6-12 12v73l-89-74a48 48 0 00-61 0L4 252c-5 4-5 12-1 17l25 31c5 5 12 5 17 1l235-193c5-4 11-4 16 0l235 193c5 5 13 4 17-1l25-31c4-6 4-13-1-17z\"\/><\/svg><\/label><label><input aria-label=\"3\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"currentColor\" d=\"M512 176a176 176 0 01-209 173l-24 27a24 24 0 01-18 8h-37v40c0 13-11 24-24 24h-40v40c0 13-11 24-24 24H24c-13 0-24-11-24-24v-78c0-6 3-13 7-17l162-162a176 176 0 11343-55zm-176-48a48 48 0 1096 0 48 48 0 00-96 0z\"\/><\/svg><\/label>\r\n    <\/span>\r\n    <span style=\"display:none\">\r\n        <input type=\"text\" name=\"kc_honeypot\">\r\n    <\/span><\/span><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"N\u1ed9p\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\n 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B\u00e0i b\u00e1o n\u00e0y tr\u00ecnh b\u00e0y hai ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 - c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00e1n si\u00eau \u00e2m v\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ea3i ti\u1ebfn b\u1eb1ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t. Ch\u00fang \u0111\u00e3 [\u2026]<\/p>","protected":false},"author":1,"featured_media":3710,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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