{"id":3858,"date":"2026-04-07T15:17:01","date_gmt":"2026-04-07T07:17:01","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3858"},"modified":"2026-04-10T14:51:57","modified_gmt":"2026-04-10T06:51:57","slug":"what-are-the-6-typical-ultrafine-grinding-processes-for-ground-calcium-carbonate-gcc","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/what-are-the-6-typical-ultrafine-grinding-processes-for-ground-calcium-carbonate-gcc\/","title":{"rendered":"Quels sont les 6 proc\u00e9d\u00e9s de broyage ultrafin typiques pour le carbonate de calcium broy\u00e9 (GCC) ?"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/high-value-gcc-ground-calcium-carbonate-production-line-in-india\/\">Carbonate de calcium moulu (GCC)<\/a> Le carbonate de calcium est une poudre industrielle obtenue par broyage m\u00e9canique de calcite, de marbre ou de calcaire naturels. Charge inorganique la plus utilis\u00e9e, sa valeur d\u00e9pend directement de la finesse de son broyage (jusqu&#039;\u00e0 l&#039;\u00e9chelle du micron, voire du submicron), notamment dans les secteurs industriels de pointe comme la papeterie, les plastiques, le caoutchouc et les rev\u00eatements.<\/p>\n\n\n\n<p>Face aux exigences croissantes des industries en aval, qui recherchent une granulom\u00e9trie plus fine, une blancheur sup\u00e9rieure et une absorption d&#039;huile r\u00e9duite, la production a \u00e9volu\u00e9. Il ne s&#039;agit plus d&#039;un simple concassage, mais d&#039;un processus d&#039;ing\u00e9nierie syst\u00e8me rigoureusement contr\u00f4l\u00e9. Voici les six proc\u00e9d\u00e9s de broyage ultrafin les plus couramment utilis\u00e9s dans l&#039;industrie aujourd&#039;hui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Broyage traditionnel au broyeur Raymond (proc\u00e9d\u00e9 primaire \u00e0 sec)<\/h2>\n\n\n\n<p>Le broyeur Raymond est un incontournable du traitement des poudres dans les pays du Golfe. Bien qu&#039;il manque de comp\u00e9titivit\u00e9 dans le domaine des poudres ultrafines (D90 &lt; 5 \u03bcm), il d\u00e9tient toujours une part importante du march\u00e9 moyen pour les poudres de granulom\u00e9trie comprise entre 200 et 400 mesh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Principe du processus :<\/strong> Ce proc\u00e9d\u00e9 repose sur la force centrifuge g\u00e9n\u00e9r\u00e9e par des rouleaux de broyage suspendus \u00e0 une structure en \u00e9toile. Lors de leur rotation, les rouleaux exercent une forte pression contre l&#039;anneau de broyage. La mati\u00e8re est ainsi concass\u00e9e et broy\u00e9e. Un ventilateur interne propulse la poudre obtenue vers la zone de classification situ\u00e9e en haut.<\/li>\n\n\n\n<li><strong>Avantages :<\/strong> Int\u00e9gration \u00e9lev\u00e9e, faible encombrement, seuil d&#039;investissement bas et fonctionnement extr\u00eamement simple.<\/li>\n\n\n\n<li><strong>Limites:<\/strong> Taux d&#039;usure \u00e9lev\u00e9. Ce proc\u00e9d\u00e9 introduit facilement des impuret\u00e9s de fer m\u00e9tallique, ce qui r\u00e9duit la blancheur. En raison des limites de classification, il est difficile de produire une poudre ultrafine haut de gamme sup\u00e9rieure \u00e0 800 mesh.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Proc\u00e9d\u00e9 de broyage vertical \u00e0 rouleaux ultrafins (broyeur VR) (Proc\u00e9d\u00e9 \u00e0 sec \u00e0 grande \u00e9chelle)<\/h2>\n\n\n\n<p>Le broyeur vertical \u00e0 cylindres ultrafins repr\u00e9sente la tendance moderne vers un traitement \u00e0 sec intelligent et \u00e0 grande \u00e9chelle. Il constitue actuellement l&#039;une des m\u00e9thodes les plus efficaces pour le broyage ultrafin du carbonate de calcium.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caract\u00e9ristiques du processus\u00a0:<\/strong> Ce proc\u00e9d\u00e9 utilise le principe du broyage en lit de mat\u00e9riau. Des rouleaux de broyage, actionn\u00e9s par un syst\u00e8me hydraulique, exercent une pression et une force de cisaillement sur la couche de mat\u00e9riau d\u00e9pos\u00e9e sur un disque rotatif. Ce proc\u00e9d\u00e9 int\u00e8gre g\u00e9n\u00e9ralement des classificateurs \u00e0 turbines multi-t\u00eates de haute pr\u00e9cision.<\/li>\n\n\n\n<li><strong>Principaux avantages\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Consommation d&#039;\u00e9nergie extr\u00eamement faible :<\/strong> Compar\u00e9e au broyage \u00e0 billes traditionnel, la consommation d&#039;\u00e9nergie d&#039;un broyeur vertical peut \u00eatre r\u00e9duite de plus de 30%.<\/li>\n\n\n\n<li><strong>Haute capacit\u00e9 :<\/strong> Une seule machine peut produire de 5 \u00e0 20 tonnes par heure. Cela la rend id\u00e9ale pour les grandes usines dont la production annuelle d\u00e9passe 100\u00a0000 tonnes.<\/li>\n\n\n\n<li><strong>Modification en ligne\u00a0:<\/strong> L&#039;injection d&#039;agents de rev\u00eatement dans le syst\u00e8me est ais\u00e9e. Ceci permet de r\u00e9aliser simultan\u00e9ment le meulage et la modification de surface.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Applications :<\/strong> M\u00e9langes-ma\u00eetres de plastique, marbre artificiel et tuyaux en PVC, pour lesquels la ma\u00eetrise des co\u00fbts est essentielle.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sec <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">Proc\u00e9d\u00e9 en circuit ferm\u00e9 broyeur \u00e0 boulets + classificateur<\/a> (Proc\u00e9d\u00e9 \u00e0 sec haute flexibilit\u00e9)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/ball-millair-classifierPin-mill-coating-machine.webp\" alt=\"broyeur \u00e0 boulets + classificateur \u00e0 air + machine de rev\u00eatement \u00e0 broyeur \u00e0 broches\" class=\"wp-image-3803\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/ball-millair-classifierPin-mill-coating-machine.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/ball-millair-classifierPin-mill-coating-machine-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/ball-millair-classifierPin-mill-coating-machine-768x576.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/ball-millair-classifierPin-mill-coating-machine-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">broyeur \u00e0 boulets + classificateur \u00e0 air + machine de rev\u00eatement \u00e0 broyeur \u00e0 broches<\/figcaption><\/figure>\n\n\n\n<p>Il s&#039;agit actuellement de la solution la plus mature et la plus stable pour produire de la poudre GCC haut de gamme entre 1 250 et 2 500 mesh (D90 : 5\u201312 \u03bcm).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flux de processus\u00a0:<\/strong> Le broyeur \u00e0 boulets constitue l&#039;unit\u00e9 de broyage principale. Il est rev\u00eatu de plaques en c\u00e9ramique et rempli de boulets \u00e0 haute teneur en alumine. Apr\u00e8s broyage, le mat\u00e9riau est achemin\u00e9 par un \u00e9l\u00e9vateur vers un classificateur pneumatique ultrafin. Ce dernier s\u00e9lectionne la poudre fine conforme. Les particules trop grosses (rejets) sont renvoy\u00e9es au broyeur \u00e0 boulets pour un nouveau broyage.<\/li>\n\n\n\n<li><strong>Points techniques importants\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Morphologie des particules sup\u00e9rieure :<\/strong> Le broyage prolong\u00e9 dans un broyeur \u00e0 boulets arrondit les ar\u00eates des particules. Il en r\u00e9sulte des formes quasi sph\u00e9riques, ce qui contribue \u00e0 r\u00e9duire l&#039;absorption d&#039;huile lors des \u00e9tapes de transformation ult\u00e9rieures du plastique.<\/li>\n\n\n\n<li><strong>Liaison multi-\u00e9tapes\u00a0:<\/strong> En connectant plusieurs classificateurs de vitesses diff\u00e9rentes en s\u00e9rie, un seul circuit de broyeur \u00e0 boulets peut produire simultan\u00e9ment diff\u00e9rentes qualit\u00e9s (par exemple, 800 mesh et 2 500 mesh).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Point cl\u00e9 \u00e0 prendre en compte\u00a0:<\/strong> La consommation de billes et l&#039;\u00e9l\u00e9vation de temp\u00e9rature doivent \u00eatre strictement contr\u00f4l\u00e9es afin d&#039;\u00e9viter le jaunissement de la poudre d\u00fb \u00e0 la surchauffe.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Broyeur \u00e0 impact \u00e0 grande vitesse \/ Proc\u00e9d\u00e9 ACM (Proc\u00e9d\u00e9 \u00e0 sec \u00e0 flux court)<\/h2>\n\n\n\n<p>Pour les applications exigeant une distribution granulom\u00e9trique tr\u00e8s \u00e9troite, les proc\u00e9d\u00e9s \u00e0 impact \u00e0 haute vitesse comme ceux d&#039;Epic Powder offrent d&#039;excellentes performances. Ce syst\u00e8me \u00e0 flux court constitue une approche tr\u00e8s r\u00e9active pour le broyage ultrafin du carbonate de calcium.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9lection du mat\u00e9riel :<\/strong> Parmi les exemples typiques, citons la s\u00e9rie ACM ou les syst\u00e8mes de broyage \u00e0 jet d&#039;air d&#039;Epic Powder.<\/li>\n\n\n\n<li><strong>M\u00e9canisme:<\/strong> Les marteaux du rotor frappent le mat\u00e9riau \u00e0 grande vitesse lin\u00e9aire. Le mat\u00e9riau subit des impacts et un cisaillement \u00e0 haute fr\u00e9quence entre la chemise du stator et le rotor.<\/li>\n\n\n\n<li><strong>Avantages :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Haute efficacit\u00e9 :<\/strong> Pour les produits dont la granulom\u00e9trie est comprise entre 400 et 1 000 mesh, son efficacit\u00e9 d\u00e9passe largement celle d&#039;un broyeur Raymond.<\/li>\n\n\n\n<li><strong>Entretien facile\u00a0:<\/strong> Comparativement aux syst\u00e8mes complexes de broyeurs verticaux ou \u00e0 boulets, les pi\u00e8ces d&#039;usure d&#039;un broyeur \u00e0 impact peuvent \u00eatre remplac\u00e9es tr\u00e8s rapidement.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Applications :<\/strong> Rev\u00eatements haut de gamme et pr\u00e9traitements pour charges de couchage du papier.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"465\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Air-Classifier-Mill900-Production-Line.webp\" alt=\"Ligne de production du classificateur d&#039;air Mill900\" class=\"wp-image-3800\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Air-Classifier-Mill900-Production-Line.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Air-Classifier-Mill900-Production-Line-300x174.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Air-Classifier-Mill900-Production-Line-768x446.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Air-Classifier-Mill900-Production-Line-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Ligne de production du classificateur d&#039;air Mill900<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Proc\u00e9d\u00e9 de broyage \u00e0 billes humide \/ broyage agit\u00e9 (Perc\u00e9e \u00e0 l&#039;\u00e9chelle nanom\u00e9trique)<\/h2>\n\n\n\n<p>Lorsque les exigences du GCC atteignent D90 &lt; 2 \u03bcm (ou m\u00eame D50 &lt; 0,5 \u03bcm), les proc\u00e9d\u00e9s \u00e0 sec \u00e9chouent en raison de l&#039;agglom\u00e9ration des particules et des interf\u00e9rences \u00e9lectrostatiques. \u00c0 ce stade, le traitement par voie humide est indispensable.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Processus:<\/strong> Une poudre pr\u00e9-broy\u00e9e (par exemple, de granulom\u00e9trie 400 mesh) est m\u00e9lang\u00e9e \u00e0 de l&#039;eau et \u00e0 des dispersants \u00e0 haute efficacit\u00e9 pour former une suspension. Celle-ci est introduite dans un broyeur \u00e0 agitation horizontal ou vertical. Le broyeur est rempli de billes de zircone ultrafines (0,5 \u00e0 2 mm de diam\u00e8tre).<\/li>\n\n\n\n<li><strong>Avantages en mati\u00e8re de performance\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Finesse extr\u00eame :<\/strong> Capable de produire des suspensions submicroniques \u00ab blanc laiteux \u00bb.<\/li>\n\n\n\n<li><strong>Haute opacit\u00e9 :<\/strong> La granulom\u00e9trie extr\u00eamement fine conf\u00e8re au GCC un excellent pouvoir couvrant et une grande finesse dans les couchages de papier.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Consid\u00e9rations relatives aux co\u00fbts\u00a0:<\/strong> Le traitement par voie humide n\u00e9cessite une grande quantit\u00e9 d&#039;\u00e9nergie pour le s\u00e9chage ult\u00e9rieur (par exemple, le s\u00e9chage par atomisation). C&#039;est pourquoi il est souvent livr\u00e9 directement sous forme de suspension aux papeteries ou usines de couchage voisines.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Proc\u00e9d\u00e9 de rectification composite en deux \u00e9tapes (combinant rectification \u00e0 sec et rectification humide)<\/h2>\n\n\n\n<p>Pour obtenir le meilleur rapport co\u00fbt-performance, les leaders du secteur utilisent souvent un proc\u00e9d\u00e9 composite en deux \u00e9tapes\u00a0: \u00ab\u00a0Pr\u00e9-broyage \u00e0 sec + Broyage ultrafin humide\u00a0\u00bb.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9tape 1 :<\/strong> Un broyeur vertical ou un broyeur \u00e0 boulets transforme le minerai brut en une granulom\u00e9trie D90 = 20\u201330 \u03bcm. Le traitement \u00e0 sec est le plus efficace et le plus rentable \u00e0 ce stade.<\/li>\n\n\n\n<li><strong>\u00c9tape 2 :<\/strong> La poudre s\u00e8che issue de la premi\u00e8re \u00e9tape est utilis\u00e9e comme mati\u00e8re premi\u00e8re pour un broyeur \u00e0 agitation humide. Elle est broy\u00e9e en profondeur jusqu&#039;\u00e0 ce que D90 &lt; 2 \u03bcm.<\/li>\n\n\n\n<li><strong>Avantages :<\/strong> Cela \u00e9vite les pertes d&#039;efficacit\u00e9 et l&#039;usure importante li\u00e9es \u00e0 l&#039;introduction directe de grosses particules dans un broyeur \u00e0 voie humide. L&#039;optimisation de chaque \u00e9tape permet de r\u00e9duire la consommation \u00e9nerg\u00e9tique totale de la ligne de plus de 201 Tk\u00b3.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Consid\u00e9rations cl\u00e9s pour la s\u00e9lection des processus<\/h2>\n\n\n\n<p>En production, le \u00ab meilleur \u00bb proc\u00e9d\u00e9 n\u2019est pas forc\u00e9ment le plus co\u00fbteux. Il requiert un \u00e9quilibre entre trois facteurs\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Taille et distribution des particules cibles (PSD)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pour <strong>D90\u00a0: 10\u201315\u00a0\u03bcm<\/strong>, le broyeur \u00e0 cylindres verticaux est le leader en mati\u00e8re d&#039;efficacit\u00e9.<\/li>\n\n\n\n<li>Pour <strong>D90\u00a0: 2\u20135\u00a0\u03bcm<\/strong>, choisissez un broyeur \u00e0 boulets avec un classificateur de haute pr\u00e9cision ou passez directement au broyage humide.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Absorption d&#039;huile<\/h3>\n\n\n\n<p>Cela influe directement sur les co\u00fbts pour les clients en aval. Le broyage \u00e0 billes produit des particules arrondies, qui absorbent g\u00e9n\u00e9ralement moins d&#039;huile que les particules aciculaires issues des broyeurs \u00e0 impact.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Environnement et automatisation<\/h3>\n\n\n\n<p>L&#039;exploitation mini\u00e8re moderne exige des op\u00e9rations \u00ab vertes et sans poussi\u00e8re \u00bb. Les syst\u00e8mes avanc\u00e9s, tels que ceux d&#039;Epic Powder, cr\u00e9ent des environnements \u00e0 pression n\u00e9gative pour garantir la conformit\u00e9 aux normes PM2.5. De plus, les syst\u00e8mes PLC int\u00e9gr\u00e9s permettent de surveiller le D90 en temps r\u00e9el afin d&#039;assurer une qualit\u00e9 constante.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Conclusion<\/a><\/h2>\n\n\n\n<p>Le traitement ultrafin du GCC ne se limite plus au simple broyage. Il s&#039;agit d&#039;une application compl\u00e8te de la m\u00e9canique des fluides, de la m\u00e9canique des mat\u00e9riaux et de la chimie des surfaces. Des broyeurs Raymond traditionnels aux broyeurs \u00e0 agitation humide de pointe, chaque proc\u00e9d\u00e9 a son propre domaine d&#039;application.<\/p>\n\n\n\n<p>Les tendances futures s&#039;orienteront vers une capacit\u00e9 de production massive (plus de 200\u00a0000 tonnes par ligne), une finesse extr\u00eame (submicronique) et une modification de surface int\u00e9gr\u00e9e. Pour les producteurs, le choix judicieux de la solution de broyage appropri\u00e9e est essentiel pour passer de la vente de roches \u00e0 la vente de mat\u00e9riaux de pointe.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img decoding=\"async\" width=\"602\" height=\"602\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang.webp\" alt=\"Jason Wang\" class=\"wp-image-3718\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang.webp 602w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-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>\u00ab Merci de votre lecture. J\u2019esp\u00e8re que cet article vous sera utile. N\u2019h\u00e9sitez pas \u00e0 laisser un commentaire ci-dessous. Pour toute question, vous pouvez \u00e9galement contacter le service client en ligne de Zelda. \u00bb<\/p>\n<cite>                                                                                                                                                                               \u2014 Publi\u00e9 par <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Jason Wang<\/a><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\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\/3858#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\/3858#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>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Le carbonate de calcium broy\u00e9 (CCB) est une poudre industrielle obtenue par broyage m\u00e9canique de calcite, de marbre ou de calcaire naturels. Charge inorganique la plus utilis\u00e9e, sa valeur d\u00e9pend directement de la finesse de son broyage (granulom\u00e9trie microm\u00e9trique, voire submicronique) dans des secteurs industriels de pointe comme la papeterie, les plastiques, le caoutchouc et les rev\u00eatements. [\u2026]<\/p>","protected":false},"author":1,"featured_media":3427,"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 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-powder-grinding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are the 6 Typical Ultrafine Grinding Processes for Ground Calcium Carbonate (GCC) ? - Calcium Carbonate Production Line<\/title>\n<meta name=\"description\" content=\"Explore the 6 typical processes for ultrafine grinding for ground calcium carbonate, ranging from high-capacity vertical roller mills to nano-scale wet stirred mills.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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