{"id":3084,"date":"2022-04-17T14:06:12","date_gmt":"2022-04-17T06:06:12","guid":{"rendered":"https:\/\/www.oklee.ga\/?page_id=3084"},"modified":"2024-07-02T14:56:38","modified_gmt":"2024-07-02T06:56:38","slug":"cation-exchange-capacity","status":"publish","type":"page","link":"https:\/\/zeolitemin.com\/vn\/zeolite-science\/cation-exchange-capacity\/","title":{"rendered":"Kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"3084\" class=\"elementor elementor-3084\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-71bec20a elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"71bec20a\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2af071cf\" data-id=\"2af071cf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-55a714f elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"55a714f\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation- Kh\u1ea3 n\u0103ng m\u1ea1nh m\u1ebd c\u1ee7a Zeolite<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7794b29 elementor-widget elementor-widget-text-editor\" data-id=\"7794b29\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Zeolite t\u1ef1 nhi\u00ean so v\u1edbi Zeolite t\u1ed5ng h\u1ee3p, N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi ch\u1ee9c n\u0103ng c\u1ee7a khung aluminosilicate v\u1ec1 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 v\u00e0 trao \u0111\u1ed5i cation. zeolit clinoptilolit \u0111\u01b0\u1ee3c l\u00e0m \u1edf d\u1ea1ng b\u1ed9t, h\u1ea1t.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-15cbc466 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"15cbc466\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6f284bfd\" data-id=\"6f284bfd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4d29f9a elementor-widget elementor-widget-heading\" data-id=\"4d29f9a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Trao \u0111\u1ed5i cation v\u00e0 n\u0103ng l\u1ef1c trao \u0111\u1ed5i cation<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d7f8a6 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"2d7f8a6\" data-element_type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tM\u1ee5c l\u1ee5c\t\t\t<\/h4>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__2d7f8a6\" aria-expanded=\"true\" aria-label=\"M\u1edf m\u1ee5c l\u1ee5c\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__2d7f8a6\" aria-expanded=\"true\" aria-label=\"\u0110\u00f3ng m\u1ee5c l\u1ee5c\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__2d7f8a6\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c3abb8 elementor-widget elementor-widget-text-editor\" data-id=\"7c3abb8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-6514\" src=\"https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/10\/soil-and-cation-exchange-capacity-zeolite-300x200.jpg\" alt=\"C\u00e1ch ki\u1ec3m tra kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation c\u1ee7a \u0111\u1ea5t b\u1eb1ng zeolit\" width=\"300\" height=\"200\" srcset=\"https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/10\/soil-and-cation-exchange-capacity-zeolite-300x200.jpg 300w, https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/10\/soil-and-cation-exchange-capacity-zeolite-18x12.jpg 18w, https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/10\/soil-and-cation-exchange-capacity-zeolite.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><h3>Trao \u0111\u1ed5i Cation v\u00e0 N\u0103ng l\u1ef1c Trao \u0111\u1ed5i Cation l\u00e0 g\u00ec?<\/h3><p>C\u00e1c kho\u00e1ng ch\u1ea5t \u0111\u1ea5t s\u00e9t v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 xu h\u01b0\u1edbng t\u00edch \u0111i\u1ec7n \u00e2m, do \u0111\u00f3 thu h\u00fat c\u00e1c ion t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng (cation) tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang b\u1eb1ng l\u1ef1c t\u0129nh \u0111i\u1ec7n. K\u1ebft qu\u1ea3 l\u00e0, c\u00e1c cation v\u1eabn n\u1eb1m trong v\u00f9ng r\u1ec5 c\u1ee7a \u0111\u1ea5t v\u00e0 kh\u00f4ng d\u1ec5 d\u00e0ng b\u1ecb m\u1ea5t \u0111i do r\u1eeda tr\u00f4i. C\u00e1c cation b\u1ecb h\u1ea5p ph\u1ee5 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng trao \u0111\u1ed5i v\u1edbi c\u00e1c cation kh\u00e1c trong dung d\u1ecbch \u0111\u1ea5t, do \u0111\u00f3 c\u00f3 thu\u1eadt ng\u1eef \u201ctrao \u0111\u1ed5i cation\u201d. C\u00e1c cation b\u1ecb h\u1ea5p ph\u1ee5 b\u1ed5 sung c\u00e1c ion trong dung d\u1ecbch \u0111\u1ea5t khi n\u1ed3ng \u0111\u1ed9 gi\u1ea3m do r\u1ec5 c\u00e2y h\u1ea5p th\u1ee5.<\/p><p>Kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation (CEC) l\u00e0 th\u01b0\u1edbc \u0111o t\u1ed5ng s\u1ed1 \u0111i\u1ec7n t\u00edch \u00e2m trong \u0111\u1ea5t h\u1ea5p th\u1ee5 c\u00e1c cation dinh d\u01b0\u1ee1ng th\u1ef1c v\u1eadt nh\u01b0 canxi (Ca2 +), magi\u00ea (Mg2 +) v\u00e0 kali (K +). Nh\u01b0 v\u1eady, CEC l\u00e0 m\u1ed9t thu\u1ed9c t\u00ednh c\u1ee7a \u0111\u1ea5t m\u00f4 t\u1ea3 kh\u1ea3 n\u0103ng cung c\u1ea5p c\u00e1c cation dinh d\u01b0\u1ee1ng v\u00e0o dung d\u1ecbch \u0111\u1ea5t \u0111\u1ec3 c\u00e2y h\u1ea5p th\u1ee5. H\u00ecnh 1 minh h\u1ecda c\u00e1c cation \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i tr\u00ean \u0111\u1ea5t s\u00e9t c\u00e1c kho\u00e1ng ch\u1ea5t c\u00f3 th\u1ec3 trao \u0111\u1ed5i v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t trong dung d\u1ecbch \u0111\u1ea5t. R\u1ec5 c\u00e2y c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb dung d\u1ecbch \u0111\u1ea5t, d\u1eabn \u0111\u1ebfn ch\u1ea5t dinh d\u01b0\u1ee1ng di chuy\u1ec3n kh\u1ecfi c\u00e1c h\u1ea1t \u0111\u1ea5t s\u00e9t. Vi\u1ec7c b\u1ed5 sung ph\u00e2n b\u00f3n v\u00e0o \u0111\u1ea5t g\u00e2y ra s\u1ef1 gia t\u0103ng n\u1ed3ng \u0111\u1ed9 dinh d\u01b0\u1ee1ng ban \u0111\u1ea7u trong dung d\u1ecbch \u0111\u1ea5t, d\u1eabn \u0111\u1ebfn c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng di chuy\u1ec3n \u0111\u1ebfn c\u00e1c h\u1ea1t \u0111\u1ea5t s\u00e9t.<\/p><p>C\u00e1c cation dinh d\u01b0\u1ee1ng m\u00e0 c\u00e2y s\u1eed d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t l\u00e0 kali (K +), canxi (Ca2 +) v\u00e0 magi\u00ea (Mg2 +). C\u00e1c cation kh\u00e1c b\u1ecb h\u1ea5p ph\u1ee5 tr\u00ean c\u00e1c v\u1ecb tr\u00ed trao \u0111\u1ed5i l\u00e0 amoni (NH4 +), natri (Na +), hydro (H +), nh\u00f4m (Al3 +), s\u1eaft (Fe2 + ho\u1eb7c Fe3 +), mangan (Mn2 +), \u0111\u1ed3ng (Cu2 +) v\u00e0 k\u1ebdm (Zn2 +). C\u00e1c cation vi l\u01b0\u1ee3ng nh\u01b0 k\u1ebdm, \u0111\u1ed3ng, s\u1eaft v\u00e0 mangan th\u01b0\u1eddng c\u00f3 \u1edf n\u1ed3ng \u0111\u1ed9 r\u1ea5t th\u1ea5p trong \u0111\u1ea5t. N\u1ed3ng \u0111\u1ed9 amoni c\u0169ng th\u01b0\u1eddng r\u1ea5t th\u1ea5p v\u00ec vi sinh v\u1eadt chuy\u1ec3n amoni th\u00e0nh nitrat trong m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 nitrat h\u00f3a.<\/p><h3>CEC thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o v\u1edbi pH \u0111\u1ea5t<\/h3><p>H\u00ecnh 1. S\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7n s\u1ef1 trao \u0111\u1ed5i c\u00e1c cation gi\u1eefa b\u1ec1 m\u1eb7t \u0111\u1ea5t v\u00e0 dung d\u1ecbch \u0111\u1ea5t, v\u00e0 s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c cation n\u00e0y t\u1eeb dung d\u1ecbch \u0111\u1ea5t \u0111\u1ebfn r\u1ec5 (th\u00e2n r\u1ec5) \u0111\u1ec3 h\u1ea5p th\u1ee5.<\/p><p>CEC c\u1ee7a ch\u1ea5t h\u1eefu c\u01a1 trong \u0111\u1ea5t v\u00e0 m\u1ed9t s\u1ed1 kho\u00e1ng s\u00e9t thay \u0111\u1ed5i theo \u0111\u1ed9 pH. N\u00f3i chung, CEC th\u1ea5p nh\u1ea5t \u1edf \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t t\u1eeb 3,5 \u0111\u1ebfn 4,0 v\u00e0 t\u0103ng khi \u0111\u1ed9 pH \u0111\u01b0\u1ee3c t\u0103ng l\u00ean b\u1eb1ng c\u00e1ch b\u00f3n v\u00f4i cho \u0111\u1ea5t chua, nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 2. V\u00ec CEC c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 theo \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t, c\u00e1ch \u0111o c\u1ee7a \u0111\u1ea5t l\u00e0 th\u00f4ng th\u01b0\u1eddng. CEC \u1edf pH = 7,0. C\u0169ng l\u01b0u \u00fd r\u1eb1ng m\u1ed9t s\u1ed1 \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t kho\u00e1ng ch\u1ea5t \u0111\u1ea5t c\u1ee5 th\u1ec3 \u1edf \u0111\u1ed9 pH th\u1ea5p. C\u00e1c \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng n\u00e0y gi\u1eef l\u1ea1i c\u00e1c anion (ion mang \u0111i\u1ec7n t\u00edch \u00e2m) nh\u01b0 clorua (Cl-) v\u00e0 sunfat (SO42-).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e8fd4aa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8fd4aa\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b7a5c9c\" data-id=\"b7a5c9c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-034b30b elementor-widget elementor-widget-image\" data-id=\"034b30b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"474\" height=\"306\" src=\"https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/03\/Figure1.jpg\" class=\"attachment-large size-large wp-image-657\" alt=\"\u0111\u1ea5t CEC\" srcset=\"https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/03\/Figure1.jpg 474w, https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/03\/Figure1-300x194.jpg 300w\" sizes=\"(max-width: 474px) 100vw, 474px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">H\u00ecnh 1. S\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7n s\u1ef1 trao \u0111\u1ed5i c\u00e1c cation gi\u1eefa b\u1ec1 m\u1eb7t \u0111\u1ea5t v\u00e0 dung d\u1ecbch \u0111\u1ea5t, v\u00e0 s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c cation n\u00e0y t\u1eeb dung d\u1ecbch \u0111\u1ea5t \u0111\u1ebfn r\u1ec5 (th\u00e2n r\u1ec5) \u0111\u1ec3 h\u1ea5p th\u1ee5.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d9bc90d\" data-id=\"d9bc90d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-66be3b7 elementor-widget elementor-widget-image\" data-id=\"66be3b7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"710\" height=\"351\" src=\"https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/03\/Figure2.jpg\" class=\"attachment-large size-large wp-image-658\" alt=\"\u0111\u1ea5t CEC\" srcset=\"https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/03\/Figure2.jpg 710w, https:\/\/zeolitemin.com\/wp-content\/uploads\/2022\/03\/Figure2-300x148.jpg 300w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">H\u00ecnh 2. \u1ea2nh h\u01b0\u1edfng c\u1ee7a pH \u0111\u1ebfn \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ea5t v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ea5t.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8b9f386 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8b9f386\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-c6c5405\" data-id=\"c6c5405\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-875c279 elementor-widget elementor-widget-text-editor\" data-id=\"875c279\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u00a0<\/p><h3>T\u00ednh to\u00e1n kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation t\u1eeb ki\u1ec3m tra \u0111\u1ea5t \u0111\u1ecbnh k\u1ef3<\/h3><p>Gi\u00e1 tr\u1ecb CEC bao g\u1ed3m trong c\u00e1c b\u00e1o c\u00e1o c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m tra \u0111\u1ea5t \u0111i\u1ec3n h\u00ecnh \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch c\u1ed9ng c\u00e1c n\u1ed3ng \u0111\u1ed9 (bi\u1ec3u th\u1ecb b\u1eb1ng mili \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u00edch tr\u00ean 100 gam \u0111\u1ea5t) c\u1ee7a kali, magi\u00ea, canxi, natri v\u00e0 hydro, \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb \u0111\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p khai th\u00e1c th\u00edch h\u1ee3p .\u00a0<\/p><p>Ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m tra \u0111\u1ea5t c\u1ee7a \u0110\u1ea1i h\u1ecdc trong n\u01b0\u1edbc s\u1eed d\u1ee5ng quy tr\u00ecnh Mehlich I, d\u1ef1a tr\u00ean dung d\u1ecbch chi\u1ebft xu\u1ea5t axit k\u00e9p (0,05 N HCl + 0,025 N H2SO4). Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u00edch h\u1ee3p cho \u0111\u1ea5t chua, CEC th\u1ea5p, th\u01b0\u1eddng th\u1ea5y. CEC c\u1ee7a \u0111\u1ea5t c\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u0111\u1ea5t s\u00e9t ho\u1eb7c ch\u1ea5t h\u1eefu c\u01a1, ho\u1eb7c c\u00f3 t\u00ednh ki\u1ec1m, kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch th\u1ecfa \u0111\u00e1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng chi\u1ebft xu\u1ea5t Mehlich I. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p khai th\u00e1c \u0111\u1ea5t kh\u00e1c n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c lo\u1ea1i \u0111\u1ea5t n\u00e0y.<\/p><p>\u00a0<\/p><h3>Gi\u00e1 tr\u1ecb CEC \u0111i\u1ec3n h\u00ecnh trong \u0111\u1ea5t<\/h3><p>Trong h\u1ea7u h\u1ebft c\u00e1c b\u00e1o c\u00e1o v\u1ec1 \u0111\u1ea5t, CEC \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng mili \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng (meq) \u0111i\u1ec7n t\u00edch (s\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec7n t\u00edch) tr\u00ean 100 gam \u0111\u1ea5t (meq \/ 100 g ho\u1eb7c cmol \/ kg khi s\u1eed d\u1ee5ng \u0110\u01a1n v\u1ecb Khoa h\u1ecdc Qu\u1ed1c t\u1ebf).\u00a0<\/p><p>S\u1ed1 mili \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay v\u00ec tr\u1ecdng l\u01b0\u1ee3ng (pound, gam, v.v.) c\u1ee7a c\u00e1c cation b\u1ecb h\u1ea5p ph\u1ee5 v\u00ec CEC \u0111\u1ea1i di\u1ec7n cho t\u1ed5ng s\u1ed1 \u0111i\u1ec7n t\u00edch, \u0111\u00e2y l\u00e0 ti\u00eau chu\u1ea9n t\u1ed1t h\u01a1n \u0111\u1ec3 so s\u00e1nh c\u00e1c lo\u1ea1i \u0111\u1ea5t kh\u00e1c nhau v\u00ec m\u1ed7i lo\u00e0i cation c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 lo\u1ea1i \u0111\u1ea5t kh\u00e1c nhau kh\u00e1c nhau v\u1ec1 t\u1ef7 l\u1ec7 c\u1ee7a c\u00e1c lo\u00e0i cation kh\u00e1c nhau.<\/p><p>B\u1ea3ng 1 cho th\u1ea5y kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation \u0111i\u1ec3n h\u00ecnh c\u1ee7a c\u00e1c kho\u00e1ng s\u00e9t trong \u0111\u1ea5t v\u00e0 c\u00e1c lo\u1ea1i \u0111\u1ea5t c\u00f3 k\u1ebft c\u1ea5u kh\u00e1c nhau. B\u1edfi v\u00ec \u0111\u1ea5t l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a c\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau (c\u00e1t, ph\u00f9 sa v\u00e0 \u0111\u1ea5t s\u00e9t), c\u00e1c lo\u1ea1i kho\u00e1ng s\u00e9t v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 v\u1edbi t\u1ef7 l\u1ec7 kh\u00e1c nhau, c\u00e1c th\u00e0nh ph\u1ea7n chi ph\u1ed1i v\u00e0 \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t quy\u1ebft \u0111\u1ecbnh CEC c\u1ee7a \u0111\u1ea5t.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-18af44b\" data-id=\"18af44b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d6ccc89 elementor-widget elementor-widget-text-editor\" data-id=\"d6ccc89\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table class=\"table table-hover ke-zeroborder\"><thead><tr><td colspan=\"2\">B\u1ea3ng 1. Kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation \u1edf pH 7,0 c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u1ea5t, k\u1ebft c\u1ea5u v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 trong \u0111\u1ea5t.<\/td><\/tr><\/thead><tbody><tr><td><strong>\u0110\u1ea5t v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ea5t<\/strong><\/td><td class=\"calign\"><strong>CEC (meq \/ 100 g)<\/strong><\/td><\/tr><tr><td align=\"center\"><strong><em>Lo\u1ea1i \u0111\u1ea5t s\u00e9t<\/em><\/strong><\/td><td align=\"center\">\u00a0<\/td><\/tr><tr><td>Kaolinit<\/td><td class=\"calign\">3-15<\/td><\/tr><tr><td>M\u00f9 ch\u1eef<\/td><td class=\"calign\">15-40<\/td><\/tr><tr><td>Montmorillonite<\/td><td class=\"calign\">80-100<\/td><\/tr><tr><td align=\"center\"><strong><em>C\u1ea5u t\u1ea1o c\u1ee7a \u0111\u1ea5t<\/em><\/strong><\/td><td align=\"center\">\u00a0<\/td><\/tr><tr><td>C\u00e1t<\/td><td class=\"calign\">1-5<\/td><\/tr><tr><td>Sandy Loam m\u1ecbn<\/td><td class=\"calign\">5-10<\/td><\/tr><tr><td>Loam<\/td><td class=\"calign\">5-15<\/td><\/tr><tr><td>\u0110\u1ea5t s\u00e9t m\u00f9n<\/td><td class=\"calign\">15-30<\/td><\/tr><tr><td>\u0110\u1ea5t s\u00e9t<\/td><td class=\"calign\">&gt; 30<\/td><\/tr><tr><td align=\"center\"><strong><em>Ch\u1ea5t h\u1eefu c\u01a1<\/em><\/strong><\/td><td class=\"calign\">200-400<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-b47c1cf elementor-widget elementor-widget-text-editor\" data-id=\"b47c1cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3>CEC v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9 ph\u00ec c\u1ee7a \u0111\u1ea5t Trung Qu\u1ed1c<\/h3><p>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ee5c \u0111\u00edch th\u1ef1c t\u1ebf, \u0111\u1ea5t \u0111\u01b0\u1ee3c nh\u00f3m th\u00e0nh b\u1ed1n lo\u1ea1i ch\u00ednh: (1) \u0110\u1ed3ng b\u1eb1ng ven bi\u1ec3n, (2) Piedmont, (3) N\u00fai v\u00e0 Thung l\u0169ng \u0111\u00e1 v\u00f4i v\u00e0 (4) \u0111\u1ea5t t\u1eeb c\u1ea3nh quan, s\u00e2n g\u00f4n, nh\u00e0 k\u00ednh v\u00e0 th\u1ea3m hoa. C\u00e1c danh m\u1ee5c n\u00e0y gi\u00fap \u0111\u00e1nh gi\u00e1 m\u1ee9c sinh d\u1ec5 d\u00e0ng h\u01a1n. Bi\u1ec3u \u0111\u1ed3 d\u01b0\u1edbi \u0111\u00e2y m\u00f4 t\u1ea3 CEC v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9 ph\u00ec chung c\u1ee7a t\u1eebng nh\u00f3m \u0111\u1ea5t.<\/p><table><tbody><tr><td nowrap=\"nowrap\"><strong>Nh\u00f3m \u0111\u1ea5t<\/strong><\/td><td><strong>CEC v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9 ph\u00ec c\u1ee7a \u0111\u1ea5t<\/strong><\/td><\/tr><tr><td>\u0110\u1ed3ng b\u1eb1ng ven bi\u1ec3n (bao g\u1ed3m Atlantic Flatwoods v\u00e0 Sand Hills)<\/td><td>\u0110\u1ea5t c\u00f3 b\u1ec1 m\u1eb7t c\u00e1t v\u00e0 CEC t\u1eeb 6 meq \/ 100 g tr\u1edf xu\u1ed1ng. \u0110\u1ea5t \u1edf tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 b\u1ecb chua v\u00e0 b\u1ea1c m\u00e0u. C\u00e1c lo\u1ea1i \u0111\u1ea5t s\u1ebd kh\u00e1c nhau v\u1ec1 h\u00e0m l\u01b0\u1ee3ng \u0111\u1ea5t s\u00e9t, \u0111\u1eb7c t\u00ednh tho\u00e1t n\u01b0\u1edbc v\u00e0 m\u00e0u s\u1eafc. C\u00e1c lo\u1ea1i \u0111\u1ea5t s\u1ebd kh\u00e1c nhau v\u1ec1 n\u0103ng su\u1ea5t, d\u1ec5 x\u1eed l\u00fd v\u00e0 th\u00edch \u1ee9ng v\u1edbi s\u1ea3n xu\u1ea5t c\u00e2y tr\u1ed3ng theo h\u00e0ng. C\u00e1c lo\u1ea1i \u0111\u1ea5t \u0111i\u1ec3n h\u00ecnh l\u00e0 Norfolk, Lakeland, Lynchburg v\u00e0 Tifton.<\/td><\/tr><tr><td>\u0110\u1ea5t \u1edf Piedmont<\/td><td>\u0110\u1ea5t ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ea5t \u0111\u1ecf c\u1ea1n, tho\u00e1t n\u01b0\u1edbc t\u1ed1t v\u1edbi CEC t\u1eeb 6 \u0111\u1ebfn 12 meq \/ 100 g. \u0110\u1ea5t \u1edf tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang l\u00e0 \u0111\u1ea5t chua v\u00e0 \u00edt ph\u1ed1t pho nh\u01b0ng l\u1ea1i c\u00f3 h\u00e0m l\u01b0\u1ee3ng kali cao h\u01a1n so v\u1edbi \u0111\u1ea5t \u0110\u1ed3ng b\u1eb1ng ven bi\u1ec3n. C\u00e1c lo\u1ea1t \u0111\u1ea5t ch\u00ednh l\u00e0 Cecil, Madison v\u00e0 Davison.<\/td><\/tr><tr><td>\u0110\u1ea5t \u1edf thung l\u0169ng n\u00fai v\u00e0 \u0111\u00e1 v\u00f4i<\/td><td>\u0110\u1ea5t c\u00f3 th\u1ec3 c\u00f3 b\u1ec1 m\u1eb7t x\u00e1m, pha c\u00e1t, b\u00ean d\u01b0\u1edbi l\u00e0 \u0111\u1ea5t s\u00e9t pha c\u00e1t m\u00e0u \u0111\u1ecf n\u1eb7ng ho\u1eb7c \u0111\u1ea5t k\u1ebft c\u1ea5u s\u00e9t. C\u00e1c b\u1eadc th\u1ec1m ph\u00f9 sa v\u00e0 \u0111\u00e1y s\u00f4ng c\u00f3 m\u00e0u x\u00e1m \u0111\u1ebfn n\u00e2u nh\u1ea1t v\u1edbi \u0111\u1ea5t th\u1ecbt pha s\u00e9t pha c\u00e1t m\u00e0u v\u00e0ng \u0111\u1ebfn \u0111\u1ecf s\u1eabm. \u0110\u1ea5t chua v\u00e0 \u00edt m\u00e0u m\u1ee1. Gi\u00e1 tr\u1ecb CEC trung b\u00ecnh c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u1ea5t n\u00e0y l\u00e0 9 meq \/ 100 g. C\u00e1c lo\u1ea1i \u0111\u1ea5t ch\u00ednh l\u00e0 Porters, Hayesville, Talladega, Fannin, Congaree, Clarkesville, Fullerton, Dewey v\u00e0 Decatur.<\/td><\/tr><tr><td>\u0110\u1ea5t t\u1eeb c\u1ea3nh quan v\u00e0 s\u00e2n g\u00f4n<\/td><td>Nh\u1eefng lo\u1ea1i \u0111\u1ea5t n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c duy tr\u00ec kh\u00e1c v\u1edbi \u0111\u1ea5t tr\u1ed3ng tr\u1ecdt v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 duy tr\u00ec m\u1ed9t c\u00e1ch nh\u00e2n t\u1ea1o. Nhi\u1ec1u con c\u00f3 kh\u1ea3 n\u0103ng sinh s\u1ea3n th\u1ea5t th\u01b0\u1eddng v\u00e0 kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng x\u1ebfp v\u00e0o m\u1ed9t trong ba lo\u1ea1i \u0111\u00e3 n\u00eau \u1edf tr\u00ean.<\/td><\/tr><\/tbody><\/table><h3>Ph\u1ea7n tr\u0103m \u0111\u1ed9 b\u00e3o h\u00f2a c\u01a1 s\u1edf<\/h3><p>Ph\u1ea7n tr\u0103m \u0111\u1ed9 b\u00e3o h\u00f2a baz\u01a1 (BS) l\u00e0 ph\u1ea7n tr\u0103m CEC chi\u1ebfm b\u1edfi c\u00e1c cation c\u01a1 b\u1ea3n Ca2 +, Mg2 + v\u00e0 K +. C\u00e1c cation c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi c\u00e1c cation axit H + v\u00e0 Al3 +. \u1ede \u0111\u1ed9 pH \u0111\u1ea5t x\u1ea5p x\u1ec9 5,4 ho\u1eb7c th\u1ea5p h\u01a1n, Al3 + c\u00f3 \u1edf n\u1ed3ng \u0111\u1ed9 cao \u0111\u00e1ng k\u1ec3 g\u00e2y c\u1ea3n tr\u1edf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt, v\u00e0 pH \u0111\u1ea5t c\u00e0ng th\u1ea5p th\u00ec l\u01b0\u1ee3ng Al3 + \u0111\u1ed9c h\u1ea1i c\u00e0ng l\u1edbn. Do \u0111\u00f3, \u0111\u1ea5t c\u00f3 \u0111\u1ed9 b\u00e3o h\u00f2a baz\u01a1 ph\u1ea7n tr\u0103m cao th\u01b0\u1eddng ph\u00ec nhi\u00eau h\u01a1n v\u00ec:<\/p><p>Ch\u00fang c\u00f3 r\u1ea5t \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 cation axit Al3 + g\u00e2y \u0111\u1ed9c cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt.<br \/>\u0110\u1ea5t c\u00f3 \u0111\u1ed9 b\u00e3o h\u00f2a baz\u01a1 cao c\u00f3 \u0111\u1ed9 pH cao h\u01a1n; do \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1ec7m nhi\u1ec1u h\u01a1n \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cation axit t\u1eeb r\u1ec5 c\u00e2y v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ea5t l\u00e0m chua \u0111\u1ea5t (qu\u00e1 tr\u00ecnh nitrat h\u00f3a, m\u01b0a axit, v.v.).<br \/>Ch\u00fang ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c cation dinh d\u01b0\u1ee1ng th\u1ef1c v\u1eadt thi\u1ebft y\u1ebfu K +, Ca2 + v\u00e0 Mg2 + \u0111\u1ec3 c\u00e2y s\u1eed d\u1ee5ng.<br \/>\u0110\u1ed9 b\u00e3o h\u00f2a c\u01a1 b\u1ea3n ph\u1ea7n tr\u0103m \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb nh\u01b0 sau:<\/p><p><strong>%BS = [(Ca<sup>2+<\/sup>\u00a0+ Mg<sup>2+<\/sup>\u00a0+ K<sup>+<\/sup>) \/ CEC] \u00d7 100<\/strong><\/p><p>T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t, \u0111\u1ed9 b\u00e3o h\u00f2a c\u01a1 b\u1ea3n c\u1ee7a \u0111\u1ea5t c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a CEC ho\u1eb7c x\u1ea5p x\u1ec9 b\u1eb1ng CEC. N\u00f3i chung, n\u1ebfu \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t d\u01b0\u1edbi 7, \u0111\u1ed9 b\u00e3o h\u00f2a c\u1ee7a baz\u01a1 nh\u1ecf h\u01a1n CEC. \u1ede pH 7 ho\u1eb7c cao h\u01a1n, b\u1ec1 m\u1eb7t kho\u00e1ng s\u00e9t v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a \u0111\u1ea5t b\u1ecb chi\u1ebfm b\u1edfi c\u00e1c cation c\u01a1 b\u1ea3n, v\u00e0 do \u0111\u00f3, \u0111\u1ed9 b\u00e3o h\u00f2a baz\u01a1 b\u1eb1ng CEC. H\u00ecnh 2 minh h\u1ecda l\u01b0\u1ee3ng cation t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ea5t \u1edf c\u00e1c m\u1ee9c pH \u0111\u1ea5t kh\u00e1c nhau.<\/p><h3>\u00dd ngh\u0129a c\u1ee7a CEC v\u00e0 BS<\/h3><p>CEC c\u1ee7a \u0111\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c b\u00f3n ph\u00e2n v\u00e0 b\u00f3n v\u00f4i. V\u00ed d\u1ee5, \u0111\u1ea5t c\u00f3 CEC cao gi\u1eef \u0111\u01b0\u1ee3c nhi\u1ec1u ch\u1ea5t dinh d\u01b0\u1ee1ng h\u01a1n \u0111\u1ea5t c\u00f3 CEC th\u1ea5p. V\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ph\u00e2n b\u00f3n trong m\u1ed9t l\u1ea7n b\u00f3n cho \u0111\u1ea5t c\u00e1t c\u00f3 CEC th\u1ea5p, vi\u1ec7c m\u1ea5t ch\u1ea5t dinh d\u01b0\u1ee1ng d\u1ec5 x\u1ea3y ra do r\u1eeda tr\u00f4i. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng n\u00e0y \u00edt b\u1ecb th\u1ea5t tho\u00e1t h\u01a1n trong \u0111\u1ea5t s\u00e9t.<\/p><p>S\u1ea3n xu\u1ea5t c\u00e2y tr\u1ed3ng gi\u1ea3i ph\u00f3ng \u0111\u1ed9 chua v\u00e0o \u0111\u1ea5t. \u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t s\u1ebd gi\u1ea3m nhi\u1ec1u h\u01a1n do s\u1ea3n xu\u1ea5t c\u00e2y tr\u1ed3ng tr\u00ean \u0111\u1ea5t c\u00f3 CEC th\u1ea5p. \u0110\u1ea5t c\u00f3 CEC cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ec7m t\u1ed1t \u0111\u1ec3 \u0111\u1ed9 pH thay \u0111\u1ed5i \u00edt h\u01a1n nhi\u1ec1u so v\u1edbi s\u1ea3n xu\u1ea5t c\u00e2y tr\u1ed3ng. Do \u0111\u00f3, \u0111\u1ea5t c\u00e1t c\u00f3 h\u00e0m l\u01b0\u1ee3ng CEC th\u1ea5p c\u1ea7n \u0111\u01b0\u1ee3c b\u00f3n v\u00f4i th\u01b0\u1eddng xuy\u00ean h\u01a1n nh\u01b0ng v\u1edbi t\u1ef7 l\u1ec7 b\u00f3n th\u1ea5p h\u01a1n \u0111\u1ea5t s\u00e9t. C\u1ea7n c\u00f3 t\u1ef7 l\u1ec7 v\u00f4i cao h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 pH t\u1ed1i \u01b0u tr\u00ean \u0111\u1ea5t c\u00f3 CEC cao do ch\u00fang c\u00f3 nhi\u1ec1u cation axit h\u01a1n \u1edf m\u1ed9t \u0111\u1ed9 pH nh\u1ea5t \u0111\u1ecbnh.<\/p><p>Zeolit d\u00e0y \u0111\u1eb7c v\u00e0 x\u1ed1p t\u1ed1t h\u01a1n v\u1edbi <a href=\"https:\/\/antenchem.com\" rel=\"noopener\">s\u00e0ng ph\u00e2n t\u1eed<\/a> k\u1ebft c\u1ea5u. C\u00e1c thu\u1ed9c t\u00ednh t\u1ef1 nhi\u00ean \u0111\u1ed9c \u0111\u00e1o ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t mi\u1ebfng b\u1ecdt bi\u1ec3n kho\u00e1ng hi\u1ec7u qu\u1ea3, <a href=\"https:\/\/zeolitemin.com\/vn\/zeolite-applications\/absorbent-adsorbent\/\">H\u1ea5p th\u1ee5<\/a> nhi\u1ec1u n\u01b0\u1edbc h\u01a1n, \u0111\u01b0\u1ee3c h\u00fat v\u00e0o v\u00e0 \u0111\u01b0\u1ee3c thu th\u1eadp b\u1edfi <a href=\"https:\/\/zeolitemin.com\/vn\/products\/uz-min-clinoptilolite-zeolite-granular\/\">zeolit d\u1ea1ng h\u1ea1t<\/a>, m\u1ed9t khi \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0o \u0111\u1ea5t, n\u00f3 s\u1ebd t\u1ea1o ra kh\u00f4ng gian th\u00f4ng kh\u00ed cho c\u00e2y tr\u1ed3ng.\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d90acaa elementor-widget elementor-widget-heading\" data-id=\"d90acaa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">T\u00e0i nguy\u00ean b\u1ed5 sung<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c740c31 elementor-widget elementor-widget-text-editor\" data-id=\"c740c31\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li><a href=\"https:\/\/zeolitemin.com\/vn\/zeolite-science\/mesh-size-chart\/\">Bi\u1ec3u \u0111\u1ed3 k\u00edch th\u01b0\u1edbc m\u1eaft l\u01b0\u1edbi c\u1ee7a Zeolite<\/a><\/li><li><a href=\"https:\/\/zeolitemin.com\/vn\/zeolite-science\/zeolitemins-natural-zeolite\/\">Zeolite t\u1ef1 nhi\u00ean c\u1ee7a ZeoliteMin<\/a><\/li><li><a href=\"https:\/\/zeolitemin.com\/vn\/zeolite-science\/zeolite-tds\/\">Zeolite TDS MSDS<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/zeolite-science\/what-is-the-best-zeolite\/\" data-type=\"page\" data-id=\"1444\">Zeolite t\u1ed1t nh\u1ea5t l\u00e0 g\u00ec?<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/how-does-zeolite-compare-in-animal-feed-mixes\/\" data-type=\"post\" data-id=\"1786\">Zeolit so s\u00e1nh nh\u01b0 th\u1ebf n\u00e0o trong h\u1ed7n h\u1ee3p th\u1ee9c \u0103n ch\u0103n nu\u00f4i?<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/how-to-use-zeolite-in-livestock\/\" data-type=\"post\" data-id=\"1778\">S\u1eed d\u1ee5ng zeolit t\u1ef1 nhi\u00ean trong ch\u0103n nu\u00f4i nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/clay-minerals\/\" data-type=\"post\" data-id=\"2155\">Kho\u00e1ng s\u00e9t \u2013 Zeolite Rock t\u1eeb Nature World<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/zeolites-offer-advantages-turf-fills\/\" data-type=\"post\" data-id=\"6960\">Zeolit cung c\u1ea5p c\u00e1c l\u1ee3i th\u1ebf b\u1ed5 sung khi l\u1ea5p \u0111\u1ea7y c\u1ecf<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/what-are-zeolite-antimicrobials\/\" data-type=\"post\" data-id=\"6974\">Ch\u1ea5t kh\u00e1ng khu\u1ea9n Zeolite l\u00e0 g\u00ec?<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/zeolitemin.com\/vn\/zeolite-mineral-thanks-for-the-gift-from-the-earth\/\" data-type=\"post\" data-id=\"2241\">Zeolite Mineral-C\u1ea3m \u01a1n v\u00ec m\u00f3n qu\u00e0 t\u1eeb Tr\u00e1i \u0111\u1ea5t<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/antenchem.com\/what-are-zeolites\/\" rel=\"noopener\">Zeolite l\u00e0 g\u00ec?<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/antenchem.com\/zeolite-molecular-sieve\/\" rel=\"noopener\">S\u00e0ng ph\u00e2n t\u1eed Zeolite<\/a><\/li><li style=\"font-size: 15px;\"><a href=\"https:\/\/antenchem.com\/fumed-silica-and-precipitated-silica\/\" rel=\"noopener\">Silica b\u1ed1c kh\u00f3i v\u00e0 Silica k\u1ebft t\u1ee7a<\/a>\u00a0<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b4a2375 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b4a2375\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-fe67cd2\" data-id=\"fe67cd2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b11f6df elementor-widget elementor-widget-heading\" data-id=\"b11f6df\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">H\u00e3y \u0111\u1ec3 Zeolites c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 doanh nghi\u1ec7p c\u1ee7a b\u1ea1n<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-f8fc216\" data-id=\"f8fc216\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-ec446d4\" data-id=\"ec446d4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-16ba380 elementor-align-justify elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"16ba380\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zeolitemin.com\/vn\/make-an-inquire\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Th\u1ef1c hi\u1ec7n m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-73ce591\" data-id=\"73ce591\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Zeolite t\u1ef1 nhi\u00ean so v\u1edbi Zeolite t\u1ed5ng h\u1ee3p, N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi ch\u1ee9c n\u0103ng c\u1ee7a khung aluminosilicate v\u1ec1 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 v\u00e0 trao \u0111\u1ed5i cation. zeolite clinoptilolite \u0111\u01b0\u1ee3c l\u00e0m \u1edf d\u1ea1ng b\u1ed9t, d\u1ea1ng h\u1ea1t. Kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation v\u00e0 trao \u0111\u1ed5i cation M\u1ee5c l\u1ee5c Kh\u1ea3 n\u0103ng trao \u0111\u1ed5i cation v\u00e0 trao \u0111\u1ed5i cation l\u00e0 g\u00ec? Kho\u00e1ng ch\u1ea5t \u0111\u1ea5t s\u00e9t v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 xu h\u01b0\u1edbng t\u00edch \u0111i\u1ec7n \u00e2m, do \u0111\u00f3 thu h\u00fat \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng [\u2026]<\/p>","protected":false},"author":1,"featured_media":6514,"parent":3059,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-3084","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/pages\/3084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/comments?post=3084"}],"version-history":[{"count":0,"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/pages\/3084\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/pages\/3059"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/media\/6514"}],"wp:attachment":[{"href":"https:\/\/zeolitemin.com\/vn\/wp-json\/wp\/v2\/media?parent=3084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}