{"id":3195,"date":"2025-05-26T11:59:42","date_gmt":"2025-05-26T03:59:42","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3195"},"modified":"2025-06-04T11:43:36","modified_gmt":"2025-06-04T03:43:36","slug":"what-is-the-use-of-heavy-calcium-modification","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/what-is-the-use-of-heavy-calcium-modification\/","title":{"rendered":"Quelle est l\u2019utilit\u00e9 de la modification lourde du calcium ?"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/\">Carbonate de calcium<\/a> C&#039;est un mat\u00e9riau chimique important et largement utilis\u00e9. En tant qu&#039;agent de renforcement et de charge, il est largement utilis\u00e9 dans des industries telles que le caoutchouc, le papier, l&#039;encre, les rev\u00eatements, les plastiques, l&#039;agroalimentaire et les cosm\u00e9tiques. Une forte modification au calcium am\u00e9liore ses performances dans ces applications. Elle permet non seulement d&#039;augmenter le volume du produit et d&#039;\u00e9conomiser la mati\u00e8re premi\u00e8re, mais aussi de r\u00e9duire les co\u00fbts. De plus, la forte modification au calcium am\u00e9liore les propri\u00e9t\u00e9s physiques, les performances d&#039;impression et la stabilit\u00e9 dimensionnelle des produits.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"725\" height=\"643\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate.webp\" alt=\"carbonate de calcium lourd\" class=\"wp-image-3085\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate.webp 725w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate-300x266.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate-14x12.webp 14w\" sizes=\"(max-width: 725px) 100vw, 725px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Qu&#039;est-ce que <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\">Carbonate de Calcium Lourd<\/a> ?<\/h2>\n\n\n\n<p>Selon les diff\u00e9rentes m\u00e9thodes de production, le carbonate de calcium se divise en carbonate de calcium l\u00e9ger et carbonate de calcium lourd. Le carbonate de calcium l\u00e9ger, \u00e9galement appel\u00e9 carbonate de calcium pr\u00e9cipit\u00e9, est produit par des proc\u00e9d\u00e9s chimiques. Le carbonate de calcium lourd, \u00e9galement appel\u00e9 carbonate de calcium broy\u00e9, est obtenu par broyage m\u00e9canique de mat\u00e9riaux naturels comme le calcaire, la calcite et la craie. La granulom\u00e9trie et les caract\u00e9ristiques de surface des carbonates de calcium lourd et l\u00e9ger diff\u00e8rent, ce qui entra\u00eene des effets diff\u00e9rents selon les applications.<\/p>\n\n\n\n<p>Compar\u00e9 au carbonate de calcium l\u00e9ger, le carbonate de calcium lourd pr\u00e9sente des avantages tels qu&#039;une faible consommation d&#039;\u00e9nergie, une mise en \u0153uvre simple et un faible co\u00fbt. Son effet de remplissage dans des industries comme le papier, le plastique, la construction et les rev\u00eatements est nettement sup\u00e9rieur \u00e0 celui du carbonate de calcium l\u00e9ger. Cependant, certains probl\u00e8mes de production et d&#039;application du carbonate de calcium lourd doivent encore \u00eatre r\u00e9solus\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Particules ultrafines de carbonate de calcium lourd.<\/li>\n<\/ol>\n\n\n\n<p>     2. D\u00e9veloppement de produits sp\u00e9cialis\u00e9s \u00e0 base de carbonate de calcium lourd.<\/p>\n\n\n\n<p><br>Une solution efficace \u00e0 ces probl\u00e8mes est la modification du carbonate de calcium lourd pour r\u00e9pondre aux exigences de divers produits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi est-ce que <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/surface-modification\/\">Modification des surfaces<\/a> N\u00e9cessaire?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"746\" height=\"492\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine.webp\" alt=\"Machine de rev\u00eatement de broyeur turbo\" class=\"wp-image-3011\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine.webp 746w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine-300x198.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine-18x12.webp 18w\" sizes=\"(max-width: 746px) 100vw, 746px\" \/><\/figure>\n\n\n\n<p>Les principaux objectifs de la modification de surface du carbonate de calcium lourd sont :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pour r\u00e9duire l\u2019\u00e9nergie de surface du carbonate de calcium lourd et emp\u00eacher l\u2019agglom\u00e9ration.<\/li>\n\n\n\n<li>Pour am\u00e9liorer la dispersion du carbonate de calcium lourd dans la matrice.<\/li>\n\n\n\n<li>Pour am\u00e9liorer l\u2019affinit\u00e9 interfaciale entre le carbonate de calcium lourd et la matrice.<\/li>\n\n\n\n<li>Pour augmenter la sp\u00e9cificit\u00e9 et la fonctionnalit\u00e9 du carbonate de calcium lourd modifi\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9thodes de modification du calcium lourd<\/h2>\n\n\n\n<p>Pour obtenir un effet de remplissage optimal avec du carbonate de calcium lourd modifi\u00e9, il est essentiel de prendre en compte son domaine d&#039;application, ses m\u00e9thodes de traitement et ses partenaires de m\u00e9lange. Pour diff\u00e9rentes matrices et domaines d&#039;application, il est n\u00e9cessaire de s\u00e9lectionner le modificateur et la m\u00e9thode de modification appropri\u00e9s. Nous pr\u00e9senterons ensuite plusieurs m\u00e9thodes de modification de surface et les modificateurs choisis en fonction des diff\u00e9rents proc\u00e9d\u00e9s de traitement de surface du carbonate de calcium lourd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modification du rev\u00eatement physique<\/h3>\n\n\n\n<p>La modification physique des rev\u00eatements consiste \u00e0 m\u00e9langer des modificateurs avec du carbonate de calcium lourd dans une certaine proportion. Sous l&#039;action de forces dispersives, le modificateur s&#039;adsorbe \u00e0 la surface du carbonate de calcium lourd gr\u00e2ce \u00e0 des forces physiques telles que les forces de Van der Waals ou l&#039;attraction \u00e9lectrostatique. On obtient ainsi un rev\u00eatement monocouche, bicouche ou multicouche.<br>Pour pallier les d\u00e9fauts des dispersants traditionnels et augmenter les forces de liaison physiques, un nouveau type de super dispersant a \u00e9t\u00e9 d\u00e9velopp\u00e9 \u00e0 l\u2019\u00e9chelle internationale depuis les ann\u00e9es 1970.<br>Par rapport aux tensioactifs traditionnels, les super dispersants pr\u00e9sentent les avantages suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ils ont une force de liaison plus forte avec la surface des particules lourdes de carbonate de calcium et presque aucune d\u00e9sorption.<\/li>\n\n\n\n<li>Les longues cha\u00eenes polym\u00e8res peuvent emp\u00eacher plus efficacement la r\u00e9agglom\u00e9ration des particules lourdes de carbonate de calcium.<\/li>\n<\/ul>\n\n\n\n<p>Ces avantages rendent le carbonate de calcium lourd modifi\u00e9 par superdispersant prometteur pour une utilisation g\u00e9n\u00e9ralis\u00e9e dans des industries telles que les plastiques, les pigments, les encres et les rev\u00eatements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modification chimique de surface<\/h3>\n\n\n\n<p>La modification chimique de surface d\u00e9signe un proc\u00e9d\u00e9 par lequel des modificateurs r\u00e9agissent ou s&#039;adsorbent chimiquement sur les sites actifs \u00e0 la surface des particules lourdes de carbonate de calcium. Cela permet au modificateur de recouvrir la surface du carbonate de calcium lourd, am\u00e9liorant ainsi sa compatibilit\u00e9 et sa dispersibilit\u00e9 avec les matrices organiques. Ce proc\u00e9d\u00e9 am\u00e9liore les performances de mise en \u0153uvre et les propri\u00e9t\u00e9s physico-m\u00e9caniques des mat\u00e9riaux composites. La modification chimique de surface comprend principalement\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Modification de l&#039;agent de couplage<\/li>\n\n\n\n<li>Modification de l&#039;agent de couplage composite<\/li>\n\n\n\n<li>Modification du rev\u00eatement polym\u00e8re<\/li>\n\n\n\n<li>Modification organique<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Modification m\u00e9canochimique<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"454\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_.webp\" alt=\"machine d&#039;enduction de carbonate de calcium \u00e0 trois rouleaux_\" class=\"wp-image-3129\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_-300x182.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_-18x12.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">machine d&#039;enduction de carbonate de calcium \u00e0 trois rouleaux_<\/figcaption><\/figure>\n\n\n\n<p>La modification m\u00e9cano-chimique implique l&#039;utilisation de m\u00e9thodes m\u00e9caniques telles que le broyage et la friction pour induire un d\u00e9placement du r\u00e9seau et des changements de forme cristalline dans la poudre lourde de carbonate de calcium.<\/p>\n\n\n\n<p>Parall\u00e8lement, la temp\u00e9rature du syst\u00e8me augmente et l&#039;\u00e9nergie interne augmente. Les grosses particules de carbonate de calcium se d\u00e9composent continuellement en particules plus petites, de l&#039;ordre du micron ou du nanom\u00e8tre, ce qui renforce l&#039;activit\u00e9 chimique de la surface. Les particules sont alors plus susceptibles de se lier chimiquement au modificateur, r\u00e9duisant ainsi leur \u00e9nergie interne et stabilisant le syst\u00e8me, permettant ainsi la modification de la surface.<\/p>\n\n\n\n<p>Dans la production industrielle de carbonate de calcium lourd, le broyage et la modification de surface sont g\u00e9n\u00e9ralement r\u00e9alis\u00e9s s\u00e9par\u00e9ment. Cependant, l&#039;ajout de modificateurs pendant le broyage permet non seulement d&#039;am\u00e9liorer l&#039;effet de modification de surface gr\u00e2ce aux forces m\u00e9caniques, mais aussi d&#039;\u00e9viter l&#039;agglom\u00e9ration due \u00e0 des particules trop fines.<\/p>\n\n\n\n<p>De plus, le modificateur lui-m\u00eame agit comme un excellent lubrifiant et dispersant, r\u00e9duisant la friction entre les particules. Cela facilite le processus de broyage et prot\u00e8ge l&#039;\u00e9quipement, simplifiant le processus et am\u00e9liorant l&#039;effet de modification et l&#039;efficacit\u00e9 de la modification m\u00e9cano-chimique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modification du d\u00e9p\u00f4t de surface<\/h3>\n\n\n\n<p>La modification par d\u00e9p\u00f4t de surface consiste \u00e0 utiliser des m\u00e9thodes appropri\u00e9es pour pr\u00e9cipiter des modificateurs \u00e0 la surface du carbonate de calcium lourd. C&#039;est l&#039;une des m\u00e9thodes les plus couramment utilis\u00e9es pour la modification de surface des pigments min\u00e9raux inorganiques. Ce proc\u00e9d\u00e9 est adapt\u00e9 \u00e0 la production industrielle gr\u00e2ce \u00e0 sa simplicit\u00e9. Le contr\u00f4le des conditions de r\u00e9action permet d&#039;obtenir la granulom\u00e9trie et la puret\u00e9 souhait\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modification de surface \u00e0 haute \u00e9nergie<\/h3>\n\n\n\n<p>La modification de surface \u00e0 haute \u00e9nergie fait r\u00e9f\u00e9rence \u00e0 l\u2019utilisation de m\u00e9thodes telles que le rayonnement de haute intensit\u00e9, le plasma ou les ultrasons pour modifier la surface du carbonate de calcium lourd.<br>Les fortes ondes de choc et les forces dispersives g\u00e9n\u00e9r\u00e9es pendant le processus peuvent affaiblir consid\u00e9rablement les interactions entre les particules. Cela permet d&#039;\u00e9viter l&#039;agglom\u00e9ration et de favoriser la dispersion du carbonate de calcium lourd. Cependant, l&#039;effet de modification de cette technique n&#039;est pas tr\u00e8s stable, son co\u00fbt est \u00e9lev\u00e9 et ses op\u00e9rations complexes. Par cons\u00e9quent, son application \u00e0 grande \u00e9chelle en production r\u00e9elle reste difficile.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>La modification de surface est l&#039;une des technologies de traitement essentielles pour am\u00e9liorer les performances des applications, accro\u00eetre la polyvalence et \u00e9largir le march\u00e9 et l&#039;utilisation du carbonate de calcium lourd. Les principales tendances de d\u00e9veloppement en mati\u00e8re de modification de surface du carbonate de calcium lourd sont les suivantes\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optimisation de l&#039;effet de modification de surface.<\/li>\n\n\n\n<li>Nanomisation du carbonate de calcium lourd modifi\u00e9.<\/li>\n\n\n\n<li>Des approches vertes et respectueuses de l&#039;environnement.<\/li>\n\n\n\n<li>Transformation vers une plus grande valeur ajout\u00e9e.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed 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=\"Syst\u00e8me de production de broyeur \u00e0 boulets et de classificateur, pour carbonate de calcium, D97 5 microns, 1 t\/h\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Fl5gIAUtL8U?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\">Poudre \u00e9pique<\/h2>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Poudre \u00e9pique<\/a>Plus de 20 ans d&#039;exp\u00e9rience dans l&#039;industrie des poudres ultrafines. Nous promouvons activement le d\u00e9veloppement futur des poudres ultrafines, en nous concentrant sur les proc\u00e9d\u00e9s de concassage, de broyage, de classification et de modification. Contactez-nous pour une consultation gratuite et des solutions personnalis\u00e9es\u00a0! Notre \u00e9quipe d&#039;experts s&#039;engage \u00e0 fournir des produits et services de haute qualit\u00e9 pour optimiser la valeur de vos proc\u00e9d\u00e9s de traitement des poudres. Epic Powder\u00a0: votre expert de confiance en traitement des poudres\u00a0!<\/p>\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=\"\/fr\/wp-json\/wp\/v2\/posts\/3195#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3195#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><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=\"Votre nom*\" 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=\"Votre email*\" 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=\"Votre Pnone ou Whatsapp*\" 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=\"Votre entreprise\" 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=\"Votre message\" name=\"your-message\"><\/textarea><\/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=\"Soumettre\" \/>\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: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Le carbonate de calcium est un mat\u00e9riau chimique important et largement utilis\u00e9. En tant qu&#039;agent de renforcement et de charge, il est largement utilis\u00e9 dans des industries telles que le caoutchouc, le papier, l&#039;encre, les rev\u00eatements, les plastiques, l&#039;agroalimentaire et les cosm\u00e9tiques. Une forte modification du calcium am\u00e9liore ses performances dans ces applications. Elle permet non seulement d&#039;augmenter le volume du produit et d&#039;\u00e9conomiser la mati\u00e8re premi\u00e8re, mais aussi de r\u00e9duire les co\u00fbts. [\u2026]<\/p>","protected":false},"author":1,"featured_media":3196,"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":"","footer-sml-layout":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3195","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-air-classifier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the Use of Heavy Calcium Modification ? - Calcium Carbonate Production Line<\/title>\n<meta name=\"description\" content=\"Heavy calcium modification enhances its performance. 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