{"id":4046,"date":"2026-09-29T11:41:22","date_gmt":"2026-09-29T03:41:22","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=4046"},"modified":"2026-09-29T11:41:25","modified_gmt":"2026-09-29T03:41:25","slug":"why-is-porous-calcium-carbonate-found-everywhere-in-these-special-applications","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/why-is-porous-calcium-carbonate-found-everywhere-in-these-special-applications\/","title":{"rendered":"Pourquoi trouve-t-on du carbonate de calcium poreux partout dans ces applications particuli\u00e8res\u00a0?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 leur morphologie unique, leur grande surface sp\u00e9cifique et leur porosit\u00e9 importante, <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">carbonate de calcium sph\u00e9rique poreux<\/a> Les particules pr\u00e9sentent des avantages ind\u00e9niables dans des domaines tels que les mat\u00e9riaux d&#039;adsorption et les biocomposites. Elles constituent un sujet d&#039;\u00e9tude majeur dans le domaine actuel de la recherche sur le CaCO3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"570\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/Porous-spherical-calcium-carbonate.webp\" alt=\"Carbonate de calcium sph\u00e9rique poreux\" class=\"wp-image-4047\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/Porous-spherical-calcium-carbonate.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/Porous-spherical-calcium-carbonate-300x228.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/Porous-spherical-calcium-carbonate-16x12.webp 16w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">carbonate de calcium vat\u00e9rite micro-nano poreux sph\u00e9rique de qualit\u00e9 alimentaire<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Utilisation de coquilles de moules usag\u00e9es comme source de calcium, vat\u00e9rite sph\u00e9rique micro-nanoporeuse <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/\">carbonate de calcium (CaCO3) <\/a>Le produit obtenu a \u00e9t\u00e9 pr\u00e9par\u00e9 par m\u00e9tath\u00e8se. Il s&#039;agit principalement de vat\u00e9rite cristalline, avec une puret\u00e9 de 92,351 % (TP3T). Sa morphologie est majoritairement poreuse et sph\u00e9rique. Les particules sph\u00e9riques ont une taille moyenne de 1,917 \u03bcm, une taille m\u00e9diane (D50) de 3,503 \u03bcm et un indice d&#039;agglom\u00e9ration de 1,83. Le produit atteint une puret\u00e9 de 98,531 % (TP3T) en CaCO\u2083 et une teneur en Mg\u00b2\u207a inf\u00e9rieure \u00e0 11 % (TP3T). Il r\u00e9pond aux exigences de la norme nationale relative aux additifs de carbonate de calcium de qualit\u00e9 alimentaire.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sph\u00e8res d&#039;a\u00e9rogel poreuses \u00e0 base de calcium, engrais \u00e0 lib\u00e9ration lente<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les engrais traditionnels pr\u00e9sentent de faibles taux d&#039;utilisation, tandis que les solutions \u00e0 lib\u00e9ration lente existantes restent on\u00e9reuses. Pour pallier ces limitations, Shou Anfa et al. ont synth\u00e9tis\u00e9 un engrais \u00e0 lib\u00e9ration lente sous forme de sph\u00e8res d&#039;a\u00e9rogel poreuses \u00e0 base de calcium, par la m\u00e9thode sol-gel. Cette approche combine avec succ\u00e8s la structure m\u00e9soporeuse du carbonate de calcium poreux (CaCO\u2083) et le r\u00e9seau tridimensionnel des a\u00e9rogels. L&#039;efficacit\u00e9 de la lib\u00e9ration lente des nutriments a \u00e9t\u00e9 syst\u00e9matiquement \u00e9valu\u00e9e par la m\u00e9thode de lixiviation en colonne de sol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les exp\u00e9riences montrent que le carbonate de calcium poreux pr\u00e9par\u00e9 pr\u00e9sente une taille de pores moyenne de 16,835 nm. Il poss\u00e8de une structure m\u00e9soporeuse avec une morphologie cristalline de calcite. Les tests de lixiviation en colonne de sol ont r\u00e9v\u00e9l\u00e9 une lib\u00e9ration de nutriments de 17,81 TP3T \u00e0 20,51 TP3T sur 24 heures, significativement inf\u00e9rieure \u00e0 celle du groupe t\u00e9moin (sph\u00e8res d&#039;hydrogel) (22,51 TP3T \u00e0 29,51 TP3T). Apr\u00e8s 28 jours, la lib\u00e9ration cumul\u00e9e a atteint 62,21 TP3T \u00e0 731 TP3T, surpassant ainsi les sph\u00e8res d&#039;hydrogel (49,51 TP3T \u00e0 66,51 TP3T) en termes d&#039;efficacit\u00e9 \u00e0 long terme. Ce mat\u00e9riau a \u00e9galement permis de limiter efficacement la lib\u00e9ration initiale massive de nutriments. Compar\u00e9 au taux de lixiviation cumul\u00e9 (environ 8,81 TP3T) de l&#039;ur\u00e9e d\u00e9pos\u00e9e sur du carbonate de calcium poreux vierge, il a \u00e9t\u00e9 confirm\u00e9 que ce mat\u00e9riau poss\u00e8de une fonction de lib\u00e9ration lente secondaire.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"571\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/porous-calcium-based-aerogel-fertilizer-sphere.webp\" alt=\"sph\u00e8re d&#039;engrais a\u00e9rogel poreuse \u00e0 base de calcium\" class=\"wp-image-4048\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/porous-calcium-based-aerogel-fertilizer-sphere.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/porous-calcium-based-aerogel-fertilizer-sphere-300x228.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/porous-calcium-based-aerogel-fertilizer-sphere-16x12.webp 16w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tamis mol\u00e9culaire composite<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En utilisant des nanoparticules de CaCO\u2083 comme matrice pour les macropores, un tamis mol\u00e9culaire composite de silicalite de titane TS-1, pr\u00e9sentant des macropores d&#039;environ 60 nm, a \u00e9t\u00e9 pr\u00e9par\u00e9 par conversion de gel sec et synth\u00e8se hydrothermale. L&#039;influence de la quantit\u00e9 de CaCO\u2083, de la quantit\u00e9 d&#039;agent structurant et de la teneur en eau sur la taille des pores, l&#039;\u00e9tat des esp\u00e8ces de titane et les performances catalytiques d&#039;hydroxylation du ph\u00e9nol a \u00e9t\u00e9 \u00e9tudi\u00e9e de mani\u00e8re syst\u00e9matique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;\u00e9tude a r\u00e9v\u00e9l\u00e9 que le CaCO3 ne se contente pas de cr\u00e9er des macropores, mais modifie \u00e9galement la forme de coordination des esp\u00e8ces de titane. Gr\u00e2ce \u00e0 une r\u00e9sistance \u00e0 la diffusion r\u00e9duite et \u00e0 l&#039;inhibition de la formation de TiO2 anatase, le composite macroporeux\/microporeux TS-1 a d\u00e9montr\u00e9 une excellente activit\u00e9 catalytique dans l&#039;hydroxylation du ph\u00e9nol.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mat\u00e9riau biocomposite poreux \u00e0 base de carbonate de calcium<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un syst\u00e8me de lib\u00e9ration contr\u00f4l\u00e9e d&#039;azoxystrobine \u00e0 double sensibilit\u00e9 au pH (Az\/CaCO3@TA-Cu) a \u00e9t\u00e9 con\u00e7u \u00e0 partir de microsph\u00e8res poreuses de carbonate de calcium (CaCO3) pr\u00e9par\u00e9es par co-pr\u00e9cipitation. Ce syst\u00e8me permet une charge m\u00e9dicamenteuse de 16,421 \u00b5g\/L. Des \u00e9tudes de lib\u00e9ration simul\u00e9e ont d\u00e9montr\u00e9 l&#039;excellente performance de lib\u00e9ration contr\u00f4l\u00e9e par le pH de Az\/CaCO3@TA-Cu. Le taux de lib\u00e9ration cumul\u00e9 dans un tampon phosphate \u00e0 pH 7 pendant 96 heures \u00e9tait de 36,991 \u00b5g\/L. \u00c0 pH 5 et pH 9, les taux de lib\u00e9ration cumul\u00e9s \u00e9taient respectivement de 74,321 \u00b5g\/L et 58,791 \u00b5g\/L.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des exp\u00e9riences sur la vitesse de croissance myc\u00e9lienne ont montr\u00e9 que l&#039;Az\/CaCO3@TA-Cu exerce un fort effet inhibiteur sur Fusarium graminearum. Sa concentration inhibitrice m\u00e9diane \u00e9tait respectivement 6,58 et 3,28 fois sup\u00e9rieure \u00e0 celle de l&#039;Az pur et de l&#039;Az\/CaCO3. De plus, des analyses statistiques sur la germination du bl\u00e9 et la survie du poisson-z\u00e8bre ont d\u00e9montr\u00e9 que l&#039;Az\/CaCO3@TA-Cu pr\u00e9sente une meilleure bios\u00e9curit\u00e9 que l&#039;Az\/CaCO3 et l&#039;Az pur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mat\u00e9riau d&#039;adsorption des eaux us\u00e9es \u00e0 base de carbonate de calcium poreux pour le plomb<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"267\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/SEM-images-of-porous-CaCO3-before-a-and-after-b-adsorption-of-Pb2.webp\" alt=\"Images MEB de CaCO3 poreux avant (a) et apr\u00e8s (b) adsorption de Pb2+.\" class=\"wp-image-4049\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/SEM-images-of-porous-CaCO3-before-a-and-after-b-adsorption-of-Pb2.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/SEM-images-of-porous-CaCO3-before-a-and-after-b-adsorption-of-Pb2-300x107.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/09\/SEM-images-of-porous-CaCO3-before-a-and-after-b-adsorption-of-Pb2-18x6.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 partir de calcaire, du carbonate de calcium poreux (CaCO\u2083) a \u00e9t\u00e9 pr\u00e9par\u00e9 par carbonisation et utilisation d&#039;un gabarit. Ce mat\u00e9riau a ensuite \u00e9t\u00e9 employ\u00e9 pour le traitement d&#039;eaux us\u00e9es simul\u00e9es contenant du plomb (Pb\u00b2\u207a). Les r\u00e9sultats ont montr\u00e9 que les conditions optimales \u00e9taient les suivantes\u00a0: une dose de CaCO\u2083 poreux de 0,18\u00a0g, une concentration initiale de Pb\u00b2\u207a de 1\u00a0500\u00a0mg\u00b7L\u207b\u00b9, une temp\u00e9rature d&#039;adsorption de 40\u00a0\u00b0C et une dur\u00e9e d&#039;adsorption de 120\u00a0min. Dans ces conditions, le taux d&#039;adsorption du Pb\u00b2\u207a dans 100\u00a0mL de solution de nitrate de plomb a atteint 99,71\u00a0%. La capacit\u00e9 d&#039;adsorption \u00e9tait de 815,56\u00a0mg\u00b7g\u207b\u00b9. Apr\u00e8s r\u00e9g\u00e9n\u00e9ration par ultrasons, le taux et la capacit\u00e9 d&#039;adsorption \u00e9taient respectivement de 77,75\u00a0% et 636,42\u00a0mg\u00b7g\u207b\u00b9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mat\u00e9riau poreux d&#039;adsorption du dioxyde de carbone \u00e0 base de calcium<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Des mat\u00e9riaux CaCO\u2083 ont \u00e9t\u00e9 pr\u00e9par\u00e9s en utilisant KCl, NaCl et LiCl comme matrices salines, et leurs performances d&#039;adsorption de CO\u2082 ont \u00e9t\u00e9 \u00e9valu\u00e9es de mani\u00e8re syst\u00e9matique. Les capacit\u00e9s d&#039;adsorption de CO\u2082 de CaCO\u2083-KCl, CaCO\u2083-NaCl et CaCO\u2083-LiCl \u00e9taient respectivement de 0,39, 0,32 et 0,31 mmol\/g. Apr\u00e8s 10 cycles d&#039;adsorption, la capacit\u00e9 d&#039;adsorption de CO\u2082 de CaCO\u2083-KCl n&#039;a diminu\u00e9 que de 71 %. Ce mat\u00e9riau a \u00e9galement d\u00e9montr\u00e9 de bonnes performances de s\u00e9paration CO\u2082\/N\u2082.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mat\u00e9riau de surface superhydrophobe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les mat\u00e9riaux superhydrophobes sont souvent qualifi\u00e9s de mat\u00e9riaux biomim\u00e9tiques imitant la surface des feuilles de lotus. Ils se caract\u00e9risent par un angle de contact stable sup\u00e9rieur \u00e0 150\u00b0 et un angle de contact de roulement inf\u00e9rieur \u00e0 10\u00b0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour fabriquer une telle surface, les chercheurs ont utilis\u00e9 une couche de microsph\u00e8res poreuses de carbonate de calcium (CaCO3) comme matrice. Une surface superhydrophobe en poly\u00e9thyl\u00e8ne a ensuite \u00e9t\u00e9 produite par pressage \u00e0 chaud suivi d&#039;une gravure acide. Compar\u00e9 aux matrices traditionnelles, le carbonate de calcium poreux offre des avantages ind\u00e9niables en termes de durabilit\u00e9, de reproductibilit\u00e9, de facilit\u00e9 de pr\u00e9paration et de surface de matrice. La mouillabilit\u00e9 de la surface a \u00e9t\u00e9 \u00e9valu\u00e9e par la mesure de l&#039;angle de contact statique avec l&#039;eau (ACA). Les r\u00e9sultats obtenus sont nettement sup\u00e9rieurs \u00e0 ceux des surfaces lisses ordinaires. Au contact de l&#039;eau de pluie, la surface pr\u00e9sente une forte r\u00e9sistance \u00e0 l&#039;impact de l&#039;eau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">De l&#039;alimentation aux surfaces fonctionnelles \u2014 Le r\u00f4le de <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">\u00c9quipement de concassage de poudre \u00e9pique<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans toutes ces applications, la valeur du carbonate de calcium poreux repose sur un facteur essentiel\u00a0: la ma\u00eetrise pr\u00e9cise de la granulom\u00e9trie, de la morphologie et de la structure cristalline. C\u2019est pr\u00e9cis\u00e9ment l\u00e0 que les \u00e9quipements de concassage et de broyage d\u2019Epic Powder jouent un r\u00f4le d\u00e9terminant. Epic Powder propose une cha\u00eene de production compl\u00e8te de carbonate de calcium (CaCO3), transformant les coquilles et le calcaire bruts en poudres fonctionnelles de haute qualit\u00e9. Sa gamme d\u2019\u00e9quipements comprend\u00a0: <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">broyeurs \u00e0 boulets,<\/a> broyeurs \u00e0 jet, broyeurs \u00e0 classification d&#039;air et broyeurs autonomes <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-air-classifier\/\">classificateurs d&#039;air<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces syst\u00e8mes de broyage et de classification avanc\u00e9s permettent la production de CaCO\u2083 de qualit\u00e9 micro- et nanom\u00e9trique. Les particules obtenues pr\u00e9sentent une distribution granulom\u00e9trique \u00e9troite et une morphologie uniforme. Elles constituent ainsi la mati\u00e8re premi\u00e8re fiable n\u00e9cessaire au contr\u00f4le de la phase vat\u00e9rite, \u00e0 la formation de m\u00e9sopores et \u00e0 l&#039;incorporation dans les mat\u00e9riaux composites. Pour les fabricants transformant le carbonate de calcium ordinaire en mat\u00e9riaux poreux haute performance, Epic Powder fournit les \u00e9quipements essentiels pour passer du stade de la faisabilit\u00e9 technique \u00e0 une production \u00e0 grande \u00e9chelle.<\/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 loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-4010\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp 360w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/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=\"wp-block-paragraph\">\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\/\">Emily Chen<\/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\/4046#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\/4046#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><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 class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Gr\u00e2ce \u00e0 leur morphologie unique, leur grande surface sp\u00e9cifique et leur porosit\u00e9 importante, les particules sph\u00e9riques poreuses de carbonate de calcium pr\u00e9sentent des avantages ind\u00e9niables dans des domaines tels que les mat\u00e9riaux d&#039;adsorption et les biocomposites. Elles constituent un sujet de recherche majeur sur le CaCO3. Carbonate de calcium vat\u00e9rite sph\u00e9rique micro-nano poreux de qualit\u00e9 alimentaire\u00a0: utilisation de coquilles de moules usag\u00e9es comme source de calcium, [\u2026]<\/p>","protected":false},"author":1,"featured_media":4047,"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":"","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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