{"id":16173,"date":"2025-10-22T07:42:13","date_gmt":"2025-10-22T07:42:13","guid":{"rendered":"http:\/\/quartz-grinding.com\/?p=16173"},"modified":"2025-10-22T07:42:39","modified_gmt":"2025-10-22T07:42:39","slug":"progress-in-research-on-attapulgite-applications","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/fr\/progress-in-research-on-attapulgite-applications\/","title":{"rendered":"Progr\u00e8s dans la recherche sur les applications de l&#039;attapulgite"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>1. Aper\u00e7u de l&#039;attapulgite<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/digitalfire.com\/mineral\/attapulgite%2C+palygorskite\">Attapulgite<\/a> L&#039;attapulgite (Mg\u2085Si\u2088O\u2082\u2080(OH)\u2082\u00b74H\u2082O) est un min\u00e9ral argileux pr\u00e9sentant une morphologie de nanocristaux en forme de b\u00e2tonnets. Sa longueur est d&#039;environ 0,5 \u00e0 5 \u03bcm, son diam\u00e8tre d&#039;environ 20 \u00e0 70 nm, et elle est compos\u00e9e de canaux nanom\u00e9triques r\u00e9guliers de 0,37 nm \u00d7 0,64 nm. C&#039;est un silicate d&#039;aluminium et de magn\u00e9sium hydrat\u00e9 \u00e0 structure lamellaire. Epic Powder Machinery est sp\u00e9cialis\u00e9e dans la technologie de pulv\u00e9risation par jet d&#039;air. Le broyeur \u00e0 jet d&#039;air MQW40 d&#039;Epic Powder garantit un traitement efficace de la poudre d&#039;attapulgite.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"900\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite.webp\" alt=\"\" class=\"wp-image-16179\" style=\"width:666px;height:auto\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite.webp 900w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite-300x300.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite-100x100.webp 100w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite-768x768.webp 768w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite-12x12.webp 12w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Attapulgite-600x600.webp 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p>L&#039;attapulgite poss\u00e8de une grande surface sp\u00e9cifique, une charge de surface \u00e9lev\u00e9e et une capacit\u00e9 d&#039;\u00e9change cationique importante. De ce fait, elle est largement utilis\u00e9e dans la pr\u00e9paration d&#039;adsorbants, d&#039;adh\u00e9sifs, de dessiccants, de catalyseurs, d&#039;additifs alimentaires et de composites fonctionnels. Elle joue un r\u00f4le irrempla\u00e7able comme mat\u00e9riau de base dans des domaines tels que le g\u00e9nie chimique, la catalyse, la protection de l&#039;environnement et les nouveaux mat\u00e9riaux. La pulv\u00e9risation de l&#039;attapulgite est une \u00e9tape de pr\u00e9traitement cruciale visant \u00e0 augmenter sa surface sp\u00e9cifique afin d&#039;am\u00e9liorer sa capacit\u00e9 d&#039;adsorption.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"975\" height=\"477\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-8.webp\" alt=\"\" class=\"wp-image-16175\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-8.webp 975w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-8-300x147.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-8-768x376.webp 768w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-8-18x9.webp 18w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-8-600x294.webp 600w\" sizes=\"(max-width: 975px) 100vw, 975px\" \/><figcaption class=\"wp-element-caption\"><em>Structure cristalline projet\u00e9e de l&#039;attapulgite. <\/em><br><em>Param\u00e8tres structuraux de base, images au microscope \u00e9lectronique \u00e0 balayage (MEB). <\/em><br><em>Images de microscope \u00e9lectronique \u00e0 transmission (MET).<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Propri\u00e9t\u00e9s physico-chimiques et modification de surface de l&#039;attapulgite<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 Adsorption<\/h3>\n\n\n\n<p>La grande surface de section transversale des canaux et la structure cristalline unique de l&#039;attapulgite contribuent \u00e0 ses propri\u00e9t\u00e9s d&#039;adsorption. Ses m\u00e9canismes d&#039;adsorption comprennent principalement l&#039;adsorption physique et chimique. L&#039;adsorption physique se produit par le biais des forces de van der Waals. L&#039;adsorption chimique, quant \u00e0 elle, forme des liaisons covalentes lorsque les ponts oxyg\u00e8ne Si-O-Si se rompent, permettant ainsi la fixation des mol\u00e9cules d&#039;adsorption. La modification de surface de l&#039;attapulgite peut am\u00e9liorer ses performances d&#039;adsorption.<\/p>\n\n\n\n<p>L&#039;attapulgite \u00e9limine efficacement les impuret\u00e9s telles que les m\u00e9taux, le soufre et l&#039;asphalte des hydrocarbures p\u00e9troliers, ainsi que la couleur et les composants nocifs des graisses, des huiles min\u00e9rales et des huiles v\u00e9g\u00e9tales. Elle pr\u00e9sente \u00e9galement d&#039;excellentes capacit\u00e9s d&#039;adsorption des m\u00e9taux lourds (par exemple, Cr\u00b3\u207a, Hg\u00b2\u207a). Elle est largement utilis\u00e9e comme d\u00e9sodorisant, agent de filtration, purificateur et d\u00e9colorant dans le secteur de la protection de l&#039;environnement. Le proc\u00e9d\u00e9 de pulv\u00e9risation de l&#039;attapulgite comprend g\u00e9n\u00e9ralement un concassage et un broyage m\u00e9caniques afin d&#039;obtenir la granulom\u00e9trie souhait\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 Catalyse<\/h3>\n\n\n\n<p>L&#039;attapulgite, un nanomat\u00e9riau naturel \u00e0 structure nanostructur\u00e9e, se caract\u00e9rise par des nanoparticules et un rapport d&#039;aspect \u00e9lev\u00e9. Elle offre de nombreux canaux et centres actifs de taille nanom\u00e9trique et peut ainsi servir \u00e0 la fois de catalyseur et de support de catalyseur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 Propri\u00e9t\u00e9s collo\u00efdales et de suspension<\/h3>\n\n\n\n<p>Sous l&#039;effet des forces de cisaillement, l&#039;attapulgite peut se disperser en une structure de r\u00e9seau tridimensionnelle chaotique dans l&#039;eau et d&#039;autres milieux. \u00c0 faibles concentrations, les collo\u00efdes d&#039;attapulgite pr\u00e9sentent une viscosit\u00e9 \u00e9lev\u00e9e et conservent une grande stabilit\u00e9 en suspension dans les solutions salines, ainsi qu&#039;une bonne r\u00e9sistance aux sels et aux alcalis, une bonne stabilit\u00e9 thermique et d&#039;excellentes propri\u00e9t\u00e9s rh\u00e9ologiques. De ce fait, elle est utilis\u00e9e comme boue de forage en circulation dans les champs p\u00e9troliers et comme additif dans les rev\u00eatements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.4 Autres propri\u00e9t\u00e9s<\/h2>\n\n\n\n<p>L&#039;attapulgite poss\u00e8de une tr\u00e8s grande surface sp\u00e9cifique et une certaine capacit\u00e9 d&#039;\u00e9change d&#039;ions, ce qui explique son utilisation r\u00e9pandue comme dessiccant, agent absorbant l&#039;humidit\u00e9, adsorbant, support de catalyseur et agent antimicrobien. Gr\u00e2ce \u00e0 sa structure cristalline particuli\u00e8re, aciculaire et fibreuse, elle est non toxique, inodore, non irritante, chimiquement stable, facile \u00e0 s\u00e9cher et de faible duret\u00e9, ce qui en fait une excellente charge pour les mat\u00e9riaux polym\u00e8res. Une pulv\u00e9risation efficace de l&#039;attapulgite permet de briser partiellement ses faisceaux de cristaux en forme de b\u00e2tonnets, exposant ainsi davantage de sites actifs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.5 Modification de l&#039;attapulgite<\/h2>\n\n\n\n<p>La structure et les propri\u00e9t\u00e9s uniques de l&#039;attapulgite lui conf\u00e8rent un potentiel d&#039;application consid\u00e9rable. Cependant, sa structure cristalline limite ses performances d&#039;adsorption. Par cons\u00e9quent, apr\u00e8s purification, une modification de surface est n\u00e9cessaire pour accro\u00eetre sa surface sp\u00e9cifique, sa charge de surface et la taille de ses canaux, et ainsi am\u00e9liorer ses propri\u00e9t\u00e9s d&#039;adsorption et de support.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\" style=\"font-size:17px\">M\u00e9thodes de modification de l&#039;attapulgite<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>M\u00e9thode de modification<\/td><td>Principe primaire<\/td><td>Orientation de l&#039;application<\/td><\/tr><tr><td>Traitement thermique<\/td><td>L&#039;attapulgite perd de l&#039;eau adsorb\u00e9e, z\u00e9olitique, cristalline et structurale lors du chauffage ; la surface sp\u00e9cifique augmente, le diam\u00e8tre des nano-canaux s&#039;\u00e9largit, am\u00e9liorant ainsi les performances d&#039;adsorption.<\/td><td>Mat\u00e9riaux de remplissage, traitement thermique<\/td><\/tr><tr><td>Modification acide<\/td><td>Le traitement acide remplace les cations dans la structure ; les cations de la couche octa\u00e9drique se dissolvent et sont remplac\u00e9s par des ions hydrog\u00e8ne ; il g\u00e9n\u00e8re des liaisons rompues, augmentant ainsi la surface sp\u00e9cifique et l&#039;activit\u00e9.<\/td><td>Traitement de l&#039;eau, agents d\u00e9colorants<\/td><\/tr><tr><td>Modification alcaline<\/td><td>Le traitement alcalin modifie la structure de phase cristalline, provoquant une transformation\u00a0; les cations m\u00e9talliques sont corrod\u00e9s, augmentant la charge n\u00e9gative de surface et les sites actifs\u00a0; les nano-canaux s\u2019\u00e9largissent, la surface sp\u00e9cifique augmente.<\/td><td>Traitement de l&#039;eau, adsorption d&#039;ions<\/td><\/tr><tr><td>Modification du sel<\/td><td>Le traitement au sel augmente la quantit\u00e9 de cations \u00e9changeables, modifie la charge de surface, augmente les nano-canaux internes et am\u00e9liore l&#039;adsorption.<\/td><td>Traitement de l&#039;eau, adsorption d&#039;ions, purification des sols<\/td><\/tr><tr><td>Modification combin\u00e9e<\/td><td>Utilisation combin\u00e9e d&#039;acide, d&#039;alcali, de sel, etc., pour am\u00e9liorer les performances d&#039;adsorption.<\/td><td>Traitement de l&#039;eau, mat\u00e9riaux supports, purification des sols<\/td><\/tr><tr><td>Modification organique<\/td><td>Le traitement organique forme une monocouche organique \u00e0 la surface, conf\u00e9rant des caract\u00e9ristiques duales organiques-inorganiques, modifiant l&#039;hydrophilie\/lipophilie et \u00e9largissant le champ d&#039;application.<\/td><td>tensioactifs, agents de couplage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Actuellement, les principaux proc\u00e9d\u00e9s de modification comprennent la modification thermique, la modification inorganique (acide, alcaline, saline) et la modification organique. Parmi celles-ci, la modification acide est la plus courante. De nombreux chercheurs utilisent le traitement acide sur l&#039;attapulgite, tandis que les recherches sur la modification saline sont relativement limit\u00e9es. La modification saline est plus respectueuse de l&#039;environnement que la modification acide et pourrait \u00eatre explor\u00e9e davantage \u00e0 l&#039;avenir en raison de son faible impact carbone. La modification organique pr\u00e9sente \u00e9galement des avantages certains par rapport aux m\u00e9thodes inorganiques, les tensioactifs et les agents de couplage \u00e9tant les plus fr\u00e9quemment utilis\u00e9s. La plupart des \u00e9tudes se concentrent encore sur des m\u00e9thodes de modification uniques, qui sont d\u00e9sormais bien \u00e9tablies. Par cons\u00e9quent, envisager des modifications combin\u00e9es tirant parti des avantages de plusieurs m\u00e9thodes pourrait am\u00e9liorer l&#039;efficacit\u00e9 de la modification. L&#039;efficacit\u00e9 des modifications ult\u00e9rieures, telles que le traitement acide ou thermique, d\u00e9pend fortement du degr\u00e9 de pulv\u00e9risation de l&#039;attapulgite.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Applications et progr\u00e8s de la recherche sur l&#039;attapulgite<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 Support de m\u00e9dicament<\/h3>\n\n\n\n<p>Gr\u00e2ce \u00e0 sa grande surface sp\u00e9cifique et \u00e0 ses fortes capacit\u00e9s d&#039;adsorption, l&#039;attapulgite est largement utilis\u00e9e comme excipient pour les poudres de pesticides \u00e0 haute concentration, ainsi que comme matrice pour les granul\u00e9s. En particulier pour les pesticides liquides, la transformation en poudres \u00e0 haute concentration ou en poudres mouillables \u00e0 l&#039;aide d&#039;attapulgite permet d&#039;ajuster la fluidit\u00e9 et la dispersibilit\u00e9 de la formulation. Ses propri\u00e9t\u00e9s rh\u00e9ologiques et \u00e9paississantes font \u00e9galement de l&#039;attapulgite un agent \u00e9paississant couramment utilis\u00e9 dans les suspensions de pesticides.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\" style=\"font-size:17px\">Proc\u00e9d\u00e9 de pr\u00e9paration d&#039;un support de pesticide haute performance \u00e0 partir d&#039;attapulgite<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"826\" height=\"285\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-9_\u526f\u672c.webp\" alt=\"\" class=\"wp-image-16176\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-9_\u526f\u672c.webp 826w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-9_\u526f\u672c-300x104.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-9_\u526f\u672c-768x265.webp 768w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-9_\u526f\u672c-18x6.webp 18w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/640-9_\u526f\u672c-600x207.webp 600w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/figure>\n\n\n\n<p>Une m\u00e9thode de d\u00e9sactivation en deux \u00e9tapes permet d&#039;obtenir des produits argileux haute performance. Apr\u00e8s modification inerte, l&#039;acidit\u00e9 de surface de l&#039;attapulgite augmente de pKa &lt; 1,8 \u00e0 pKa &gt; 3,3, avec une variation minime de la surface sp\u00e9cifique. L&#039;attapulgite modifi\u00e9e peut \u00eatre utilis\u00e9e comme support de pesticides. Les tests de stabilit\u00e9 indiquent que ses performances sont comparables \u00e0 celles des supports \u00e0 base de silice. Tout en conservant les fortes propri\u00e9t\u00e9s d&#039;adsorption de l&#039;attapulgite, cette m\u00e9thode permet de pallier les probl\u00e8mes li\u00e9s \u00e0 son champ d&#039;application restreint et \u00e0 sa courte dur\u00e9e de conservation.<\/p>\n\n\n\n<p>Outre son utilisation dans les pesticides \u00e0 lib\u00e9ration lente, l&#039;attapulgite entre \u00e9galement dans la composition de m\u00e9dicaments destin\u00e9s \u00e0 la consommation humaine. Elle sert d&#039;adsorbant, d&#039;agent de suspension et d&#039;excipient dans divers produits pharmaceutiques. Des normes nationales encadrent l&#039;attapulgite, qui est reconnue comme substance pharmaceutique s\u00fbre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 Mat\u00e9riaux supports catalytiques<\/h3>\n\n\n\n<p>Gr\u00e2ce \u00e0 sa structure poreuse, l&#039;attapulgite acc\u00e9l\u00e8re les r\u00e9actions lorsque les r\u00e9actifs sont adsorb\u00e9s dans ses canaux internes. Lors de la diffusion des r\u00e9actifs hors de ces canaux, le r\u00e9seau cristallin de l&#039;attapulgite reste intact, ce qui en fait un support catalytique id\u00e9al. Des m\u00e9taux, des oxydes m\u00e9talliques et des sels m\u00e9talliques \u00e0 haute performance catalytique peuvent \u00eatre d\u00e9pos\u00e9s uniform\u00e9ment sur l&#039;attapulgite, favorisant l&#039;exposition compl\u00e8te des sites actifs et le transfert des substances actives, et am\u00e9liorant ainsi significativement l&#039;activit\u00e9 catalytique. Actuellement, l&#039;attapulgite est largement utilis\u00e9e dans la fixation catalytique de l&#039;azote, la d\u00e9gradation des polluants dans l&#039;eau, la d\u00e9pollution atmosph\u00e9rique et les r\u00e9actions de d\u00e9gagement d&#039;oxyg\u00e8ne. Lors de la pr\u00e9paration de mat\u00e9riaux composites, une pulv\u00e9risation contr\u00f4l\u00e9e de l&#039;attapulgite garantit sa dispersion uniforme au sein de la matrice polym\u00e8re.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 Mat\u00e9riaux supports de stockage d&#039;\u00e9nergie<\/h3>\n\n\n\n<p>L&#039;attapulgite est intrins\u00e8quement non conductrice et ne peut \u00eatre utilis\u00e9e directement comme mat\u00e9riau de stockage \u00e9lectrochimique de l&#039;\u00e9nergie. Cependant, des technologies existantes, telles que la synth\u00e8se par matrice et la diffusion en phase fondue, permettent d&#039;incorporer des mat\u00e9riaux \u00e9lectroactifs \u00e0 l&#039;attapulgite, rendant ainsi possible son application dans le domaine du stockage \u00e9lectrochimique de l&#039;\u00e9nergie. Les mat\u00e9riaux d&#039;anode des batteries lithium-ion commerciales sont principalement compos\u00e9s de mat\u00e9riaux \u00e0 base de carbone, dont la capacit\u00e9 sp\u00e9cifique est faible. L&#039;attapulgite peut \u00eatre r\u00e9duite par des r\u00e9actions de thermite d&#039;aluminium pour produire du silicium d\u00e9riv\u00e9 de l&#039;attapulgite (SiATP), qui peut remplacer le carbone comme mat\u00e9riau d&#039;anode dans les batteries. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 Mat\u00e9riaux collo\u00efdaux<\/h3>\n\n\n\n<p>Dispers\u00e9e dans l&#039;eau ou d&#039;autres solutions faiblement concentr\u00e9es, l&#039;attapulgite forme des cristaux individuels en forme de b\u00e2tonnets ou de petits faisceaux qui s&#039;entrelacent ensuite sous l&#039;effet des forces de van der Waals pour cr\u00e9er une structure r\u00e9ticulaire, donnant naissance \u00e0 une suspension \u00e0 haute viscosit\u00e9. Ces propri\u00e9t\u00e9s collo\u00efdales exceptionnelles font de l&#039;attapulgite un composant important des \u00e9paississants, des boues de forage et des rev\u00eatements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.5 Agents clarifiants pour boissons et additifs cosm\u00e9tiques<\/h3>\n\n\n\n<p>Industrie alimentaire : L&#039;attapulgite agit comme agent d\u00e9colorant et clarifiant, atteignant une d\u00e9coloration sup\u00e9rieure \u00e0 70% et une clarification sup\u00e9rieure \u00e0 90% pour les huiles et boissons comestibles.<\/p>\n\n\n\n<p>Industrie cosm\u00e9tique\u00a0: Elle intervient dans les produits de protection UV, de contr\u00f4le du s\u00e9bum et de r\u00e9paration cutan\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.6 Mat\u00e9riaux adsorbants environnementaux<\/h3>\n\n\n\n<p>Actuellement, l&#039;attapulgite \u00e9limine efficacement les m\u00e9taux lourds, les colorants organiques, les antibiotiques et autres polluants des eaux us\u00e9es. Des \u00e9tudes exploratoires r\u00e9centes ont \u00e9galement examin\u00e9 son utilisation pour l&#039;adsorption ou l&#039;enrichissement de mati\u00e8res radioactives dans l&#039;industrie nucl\u00e9aire. Gr\u00e2ce aux progr\u00e8s significatifs r\u00e9alis\u00e9s dans la recherche sur sa modification, la gamme de polluants que l&#039;attapulgite peut adsorber ne cesse de s&#039;\u00e9largir. La pulv\u00e9risation de l&#039;attapulgite am\u00e9liore l&#039;efficacit\u00e9 d&#039;\u00e9limination des polluants en cr\u00e9ant davantage de pores et de canaux accessibles \u00e0 la diffusion.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\" style=\"font-size:17px\">Principaux m\u00e9canismes d&#039;adsorption des polluants<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Type de polluant<\/td><td>Ions m\u00e9talliques<\/td><td>Mol\u00e9cules de colorant<\/td><td>Ions non m\u00e9talliques<\/td><td>Ions m\u00e9talliques radioactifs<\/td><\/tr><tr><td>Principaux m\u00e9canismes d&#039;adsorption<\/td><td>Interaction \u00e9lectrostatique, complexation chimique, \u00e9change de cations, pr\u00e9cipitation de surface<\/td><td>Adsorption dans les pores, interaction \u00e9lectrostatique, liaisons hydrog\u00e8ne, complexation chimique<\/td><td>Adsorption dans les pores, interaction \u00e9lectrostatique<\/td><td>Interaction \u00e9lectrostatique, complexation chimique<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3.7 Mat\u00e9riaux antimicrobiens<\/h3>\n\n\n\n<p>Bien que l&#039;attapulgite ne poss\u00e8de pas une forte activit\u00e9 antibact\u00e9rienne, sa structure poreuse et son activit\u00e9 de surface permettent d&#039;incorporer des agents antibact\u00e9riens actifs afin de cr\u00e9er des mat\u00e9riaux composites antibact\u00e9riens. D&#039;une part, l&#039;attapulgite peut adsorber physiquement les bact\u00e9ries, modifiant la perm\u00e9abilit\u00e9 de leur membrane cellulaire et inhibant les \u00e9changes normaux de substances avec le milieu. D&#039;autre part, les cristaux en forme de b\u00e2tonnets de l&#039;attapulgite exercent un effet de perforation. Ils peuvent endommager les parois et les membranes cellulaires bact\u00e9riennes, rendant ainsi les bact\u00e9ries inactives.<\/p>\n\n\n\n<p>\u00c9laboration de composites m\u00e9talliques antibact\u00e9riens\u00a0: L\u2019attapulgite pr\u00e9sente des canaux nanom\u00e9triques r\u00e9guliers et des groupements fonctionnels en surface. Du fait des ph\u00e9nom\u00e8nes de substitution isomorphe survenant lors de sa formation, l\u2019attapulgite porte des charges n\u00e9gatives permanentes et pr\u00e9sente de nombreux d\u00e9fauts ou liaisons r\u00e9siduelles au sein de sa structure. Ceci lui conf\u00e8re de fortes capacit\u00e9s d\u2019adsorption pour les mol\u00e9cules de pigments, les ions de m\u00e9taux lourds, les colorants et les antibiotiques.<\/p>\n\n\n\n<p>L&#039;attapulgite contenant du bromure de dod\u00e9cyltrim\u00e9thylammonium prolonge l&#039;efficacit\u00e9 antibact\u00e9rienne tout en pr\u00e9sentant une faible biotoxicit\u00e9.<br>Le photocatalyseur vanadate de bismuth\/attapulgite d\u00e9grade les antibiotiques 1,4 fois plus vite que le vanadate de bismuth pur.<\/p>\n\n\n\n<p>Outre les mat\u00e9riaux antibact\u00e9riens mentionn\u00e9s pr\u00e9c\u00e9demment, l&#039;attapulgite pr\u00e9sente un fort potentiel d&#039;application dans les mat\u00e9riaux d&#039;\u00e9chafaudage composites et les produits de cicatrisation. Cependant, son utilisation en biom\u00e9decine demeure relativement limit\u00e9e, ce qui souligne la n\u00e9cessit\u00e9 d&#039;acc\u00e9l\u00e9rer le d\u00e9veloppement de dispositifs m\u00e9dicaux \u00e0 base d&#039;attapulgite. Les compresses h\u00e9mostatiques \u00e0 prise rapide exploitent la forte capacit\u00e9 d&#039;adsorption de l&#039;attapulgite, tandis que les substituts orthop\u00e9diques et dentaires tirent parti de ses propri\u00e9t\u00e9s antibact\u00e9riennes et de sa biocompatibilit\u00e9. Dans l&#039;alimentation animale, la pulv\u00e9risation de l&#039;attapulgite est essentielle pour obtenir la granulom\u00e9trie fine requise pour une adsorption efficace des toxines et une homog\u00e9n\u00e9it\u00e9 de m\u00e9lange.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.8 Mat\u00e9riaux de remplissage en attapulgite<\/h3>\n\n\n\n<p>La morphologie fibreuse unique de l&#039;attapulgite lui conf\u00e8re non seulement les propri\u00e9t\u00e9s particuli\u00e8res des nanomat\u00e9riaux, mais aussi d&#039;excellentes propri\u00e9t\u00e9s de charge. Elle est ainsi utilis\u00e9e pour le renforcement des polym\u00e8res et la fabrication du papier. Contrairement aux charges traditionnelles comme le carbonate de calcium, le kaolin et le talc, largement utilis\u00e9es en papeterie, l&#039;attapulgite fibreuse pr\u00e9sente une meilleure compatibilit\u00e9 avec les fibres v\u00e9g\u00e9tales. Dans la transformation des mati\u00e8res plastiques, ses performances de charge sont nettement sup\u00e9rieures \u00e0 celles des autres charges inorganiques. Elle am\u00e9liore les propri\u00e9t\u00e9s m\u00e9caniques, thermiques et de cristallisation des plastiques. L&#039;optimisation des param\u00e8tres de pulv\u00e9risation de l&#039;attapulgite, notamment le temps et l&#039;\u00e9nergie consomm\u00e9s, est essentielle pour concilier co\u00fbts de production et am\u00e9lioration des performances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.9 Mat\u00e9riaux de friction<\/h3>\n\n\n\n<p>La r\u00e9sine ph\u00e9nolique (PF), r\u00e9sine thermodurcissable typique, est largement utilis\u00e9e dans les mat\u00e9riaux de friction gr\u00e2ce \u00e0 sa haute r\u00e9sistance \u00e0 la chaleur, ses excellentes propri\u00e9t\u00e9s m\u00e9caniques et sa bonne aptitude \u00e0 la mise en \u0153uvre. Cependant, la faible t\u00e9nacit\u00e9 et le coefficient de frottement \u00e9lev\u00e9 de la PF pure limitent ses applications en lubrification solide. La modification de la structure mol\u00e9culaire, le dopage par des particules de caoutchouc et le renforcement par fibres permettent d&#039;optimiser les propri\u00e9t\u00e9s tribologiques des composites PF. Les recherches indiquent que les nanofibres d&#039;attapulgite (AT) unidimensionnelles pr\u00e9sentent un effet synergique significatif lorsqu&#039;elles sont utilis\u00e9es en combinaison avec des microfibres \u00e0 haut module (CF, GF) dans les composites PF. Lorsque l&#039;attapulgite repr\u00e9sente 20 % de la fraction massique, la r\u00e9sistance \u00e0 la compression des mat\u00e9riaux composites multi-nano GF\/AT\/PF et CF\/AT\/PF d\u00e9passe 400 MPa, ce qui d\u00e9montre une capacit\u00e9 de charge extr\u00eamement \u00e9lev\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.10 Mat\u00e9riaux pour la production animale et additifs alimentaires<\/h3>\n\n\n\n<p>En production animale, l&#039;attapulgite peut servir d&#039;adsorbant pour capturer les m\u00e9taux lourds, les mycotoxines, les bact\u00e9ries et les toxines bact\u00e9riennes, pr\u00e9servant ainsi l&#039;int\u00e9grit\u00e9 de la barri\u00e8re muqueuse intestinale. De plus, des traitements de modification, tant inorganiques qu&#039;organiques, peuvent renforcer son activit\u00e9 biologique, l&#039;attapulgite modifi\u00e9e pr\u00e9sentant notamment de bonnes propri\u00e9t\u00e9s antibact\u00e9riennes. Des \u00e9tudes ont montr\u00e9 que l&#039;ajout d&#039;attapulgite \u00e0 l&#039;alimentation animale peut am\u00e9liorer l&#039;immunit\u00e9 de la muqueuse intestinale et ses fonctions antioxydantes. Elle peut \u00e9galement r\u00e9guler l&#039;\u00e9quilibre du microbiote intestinal, am\u00e9liorer la morphologie de la muqueuse intestinale, favoriser la croissance et le d\u00e9veloppement des animaux et optimiser leurs performances de production. L&#039;attapulgite peut aussi att\u00e9nuer efficacement les dommages induits par les agents pathog\u00e8nes sur la barri\u00e8re intestinale.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 ses nombreux avantages, l&#039;attapulgite peut servir de liant pour les granul\u00e9s, de support pour les oligo-\u00e9l\u00e9ments et d&#039;adsorbant pour les m\u00e9taux lourds dans l&#039;alimentation animale.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Performance fonctionnelle de l&#039;attapulgite dans l&#039;alimentation animale<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"263\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Functional-Performance-of-Attapulgite-in-Feed.webp\" alt=\"\" class=\"wp-image-16177\" style=\"width:914px;height:auto\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Functional-Performance-of-Attapulgite-in-Feed.webp 798w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Functional-Performance-of-Attapulgite-in-Feed-300x99.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Functional-Performance-of-Attapulgite-in-Feed-768x253.webp 768w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Functional-Performance-of-Attapulgite-in-Feed-18x6.webp 18w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/Functional-Performance-of-Attapulgite-in-Feed-600x198.webp 600w\" sizes=\"(max-width: 798px) 100vw, 798px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3.11 Additifs pour mat\u00e9riaux de batteries au lithium<\/h3>\n\n\n\n<p>Ces derni\u00e8res ann\u00e9es, les chercheurs ont explor\u00e9 en profondeur les min\u00e9raux argileux repr\u00e9sent\u00e9s par l&#039;attapulgite dans le secteur des batteries, d\u00e9couvrant que l&#039;attapulgite inhibe la croissance des dendrites de lithium, offrant ainsi une nouvelle approche pour la protection des anodes des batteries au lithium m\u00e9tal.<\/p>\n\n\n\n<p>Des recherches ont d\u00e9montr\u00e9 que le d\u00e9p\u00f4t d&#039;attapulgite sur des membranes fibreuses prot\u00e8ge efficacement l&#039;anode des batteries au lithium m\u00e9tal. Des batteries sym\u00e9triques et des batteries compl\u00e8tes au phosphate de fer lithi\u00e9 ont \u00e9t\u00e9 assembl\u00e9es pour des tests \u00e9lectrochimiques. Les r\u00e9sultats indiquent que les membranes fibreuses contenant de l&#039;attapulgite inhibent efficacement la croissance des dendrites de lithium. Apr\u00e8s 500 heures de cyclage \u00e0 une capacit\u00e9 de d\u00e9p\u00f4t de 1 mA\u00b7h\/cm\u00b2 et une densit\u00e9 de courant de 2 mA\/cm\u00b2, la tension de polarisation n&#039;est que de 83,2 mV. La batterie compl\u00e8te, dot\u00e9e de membranes fibreuses d&#039;attapulgite, conserve une capacit\u00e9 de d\u00e9charge de 84,92 mA\u00b7h\/g apr\u00e8s 1\u00a0000 cycles \u00e0 un taux de 1C.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2025\/10\/1.webp\" alt=\"\" class=\"wp-image-16178\" style=\"width:684px;height:auto\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/1.webp 750w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/1-300x300.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/1-100x100.webp 100w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/1-12x12.webp 12w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2025\/10\/1-600x600.webp 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">Jet Mill par Epic Powder<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>Ces derni\u00e8res ann\u00e9es, la structure unique en b\u00e2tonnets et l&#039;architecture en canaux de l&#039;attapulgite ont suscit\u00e9 un vif int\u00e9r\u00eat pour la conception pr\u00e9cise et cibl\u00e9e de nouveaux nanomat\u00e9riaux fonctionnels. Ces produits devraient r\u00e9pondre aux besoins d&#039;applications en adsorption, catalyse et mat\u00e9riaux composites. \u00c0 mesure que la recherche fondamentale et appliqu\u00e9e s&#039;approfondit, les applications de l&#039;attapulgite dans les nanomat\u00e9riaux fonctionnels progresseront. Ceci favorise le d\u00e9veloppement de pointe de mat\u00e9riaux min\u00e9raux fonctionnels et l&#039;am\u00e9lioration continue de la valeur ajout\u00e9e des produits. Ces progr\u00e8s contribueront \u00e0 la modernisation de la fili\u00e8re de l&#039;attapulgite et \u00e0 un d\u00e9veloppement industriel durable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-556d396a2801b126e14e66046cb26a93\">\u00c0 propos d&#039;Epic Powder<\/h2>\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=\"Pulv\u00e9risation ultra-fine de quartz\u00a0: Exp\u00e9rimentation d\u2019un broyeur \u00e0 jet haute performance par EPIC Powder Machinery\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/G_oJzJmuO_E?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<p><a href=\"http:\/\/quartz-grinding.com\/products\/\">Machines \u00e0 poudre Epic<\/a> Sp\u00e9cialis\u00e9e dans la technologie de pulv\u00e9risation par jet d&#039;air, notre entreprise propose le broyeur \u00e0 jet d&#039;air MQW40, garantissant un traitement efficace des mat\u00e9riaux et l&#039;am\u00e9lioration de leurs propri\u00e9t\u00e9s pour diverses applications. Forts de notre expertise en pulv\u00e9risation de poudres et de notre engagement envers la qualit\u00e9, nous accompagnons les industries dans la r\u00e9alisation de leurs objectifs gr\u00e2ce \u00e0 des mat\u00e9riaux de qualit\u00e9 sup\u00e9rieure. Contactez-nous d\u00e8s aujourd&#039;hui pour une solution sur mesure.<\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f15703-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"15703\">\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\/16173#wpcf7-f15703-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\/16173#wpcf7-f15703-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"15703\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.4\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f15703-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><span class=\"wpcf7-form-control-wrap kc_captcha\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" ><span class=\"cf7ic_instructions\">Veuillez prouver que vous \u00eates humain en s\u00e9lectionnant le<span> cl\u00e9<\/span>\u3002<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M259 18l-65 132-146 22c-26 3-37 36-18 54l106 103-25 146c-5 26 23 46 46 33l131-68 131 68c23 13 51-7 46-33l-25-146 106-103c19-18 8-51-18-54l-146-22-65-132a32 32 0 00-58 0z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"currentColor\" d=\"M500 168h-55l-8-21a127 127 0 00-120-83H195a127 127 0 00-120 83l-8 21H12c-8 0-14 8-11 16l8 24a12 12 0 0011 8h29a64 64 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Aper\u00e7u de l&#039;attapulgite. L&#039;attapulgite (Mg\u2085Si\u2088O\u2082\u2080(OH)\u2082\u00b74H\u2082O) est un min\u00e9ral argileux pr\u00e9sentant une morphologie de nanocristaux en forme de b\u00e2tonnets. Sa longueur est d&#039;environ 0,5 \u00e0 5 \u03bcm, son diam\u00e8tre d&#039;environ 20 \u00e0 70 nm, avec une structure nanom\u00e9trique r\u00e9guli\u00e8re [\u2026]<\/p>","protected":false},"author":1,"featured_media":16177,"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":"","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":[42],"tags":[],"class_list":["post-16173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Progress in Research on Attapulgite Applications - Silica powder (ultrafine quartz powder) processing expert<\/title>\n<meta name=\"description\" content=\"Attapulgite is a clay mineral with a nanorod crystal morphology. 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