{"id":3170,"date":"2025-05-12T09:58:00","date_gmt":"2025-05-12T01:58:00","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3170"},"modified":"2025-05-15T15:08:05","modified_gmt":"2025-05-15T07:08:05","slug":"the-transformation-from-quartz-ore-to-high-purity-quartz","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/fr\/the-transformation-from-quartz-ore-to-high-purity-quartz\/","title":{"rendered":"La transformation du minerai de quartz en quartz de haute puret\u00e9"},"content":{"rendered":"<p>Pour transformer le minerai de quartz en quartz de haute puret\u00e9, nous suivons plusieurs \u00e9tapes. Nous traitons d&#039;abord les min\u00e9raux, puis nous les purifions chimiquement. Ces \u00e9tapes permettent d&#039;\u00e9liminer les impuret\u00e9s. Notre objectif est d&#039;atteindre une teneur en silice (SiO2) sup\u00e9rieure \u00e0 99,95%. Ce proc\u00e9d\u00e9 est essentiel pour cr\u00e9er un quartz r\u00e9pondant aux besoins de l&#039;industrie de pointe. Il est utilis\u00e9 dans les semi-conducteurs, la fibre optique, les panneaux solaires et l&#039;\u00e9lectronique.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"680\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/05\/high-purity-quartz-1024x680.webp\" alt=\"\" class=\"wp-image-3171\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9tapes cl\u00e9s du processus de transformation<\/h2>\n\n\n\n<p><strong>1. Exploitation mini\u00e8re et pr\u00e9paration initiale<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le minerai de quartz provient de gisements dont l&#039;origine g\u00e9ologique et le niveau d&#039;impuret\u00e9s diff\u00e8rent. La qualit\u00e9 du minerai de quartz brut, comme les pegmatites granitiques ou les sources m\u00e9tamorphiques, influence sa purification. Cela est d\u00fb aux diff\u00e9rentes caract\u00e9ristiques min\u00e9rales et aux impuret\u00e9s pr\u00e9sentes.<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Concassage et broyage<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le minerai de quartz brut est broy\u00e9 \u00e0 l&#039;aide de concasseurs \u00e0 m\u00e2choires ou de concasseurs giratoires pour r\u00e9duire la taille en particules g\u00e9rables.<\/li>\n\n\n\n<li>Les broyeurs \u00e0 boulets ou \u00e0 barres broient davantage le quartz, cr\u00e9ant ainsi une poudre fine et augmentant la surface pour les traitements chimiques ult\u00e9rieurs.<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Classification et d\u00e9schlammage<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le quartz moulu est class\u00e9 par granulom\u00e9trie pour assurer l&#039;uniformit\u00e9.<\/li>\n\n\n\n<li>Le d\u00e9chlaminage par ultrasons peut \u00eatre utilis\u00e9 pour \u00e9liminer les particules fines d\u2019argile et de limon.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. S\u00e9paration magn\u00e9tique et \u00e9lectrostatique<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La s\u00e9paration magn\u00e9tique \u00e9limine les impuret\u00e9s contenant du fer et les min\u00e9raux ferromagn\u00e9tiques.<\/li>\n\n\n\n<li>La s\u00e9paration \u00e9lectrostatique cible les impuret\u00e9s non magn\u00e9tiques telles que le potassium, l&#039;albite, l&#039;aluminium et les micas.<\/li>\n<\/ul>\n\n\n\n<p><strong>5. Purification chimique (lixiviation acide et d\u00e9capage)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La lixiviation acide utilise de l&#039;acide chlorhydrique (HCl), de l&#039;acide sulfurique (H2SO4), de l&#039;acide fluorhydrique (HF) ou leurs m\u00e9langes. Elle dissout les m\u00e9taux et les impuret\u00e9s tels que le fer, l&#039;aluminium, le sodium, le calcium, le magn\u00e9sium et le plomb.<\/li>\n\n\n\n<li>Cette \u00e9tape est souvent r\u00e9alis\u00e9e \u00e0 des temp\u00e9ratures contr\u00f4l\u00e9es (60\u201380 \u00b0C) sous agitation pour favoriser la dissolution des impuret\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p><strong>6. Traitements \u00e0 haute temp\u00e9rature<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La calcination, qui chauffe les mat\u00e9riaux \u00e0 environ 850\u20131\u00a0200 \u00b0C, modifie la structure min\u00e9rale. Elle \u00e9limine les impuret\u00e9s volatiles et am\u00e9liore la puret\u00e9 du quartz.<\/li>\n\n\n\n<li>La trempe \u00e0 l&#039;eau apr\u00e8s calcination d\u00e9tache les structures min\u00e9rales, facilitant ainsi le broyage et l&#039;\u00e9limination des impuret\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p><strong>7. Torr\u00e9faction par chloration \u00e0 chaud<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dans certains proc\u00e9d\u00e9s, une \u00e9tape de chloration \u00e0 chaud est r\u00e9alis\u00e9e \u00e0 environ 1\u00a0200\u00a0\u00b0C. Cette \u00e9tape utilise du chlore et du chlorure d&#039;hydrog\u00e8ne gazeux pour \u00e9liminer les impuret\u00e9s r\u00e9siduelles. Elle n\u00e9cessite des installations sp\u00e9cialis\u00e9es en raison des gaz dangereux pr\u00e9sents.<\/li>\n<\/ul>\n\n\n\n<p><strong>8. Lavage, neutralisation et s\u00e9chage<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apr\u00e8s les traitements acides, lavez le quartz \u00e0 l&#039;eau d\u00e9ionis\u00e9e. Cette \u00e9tape permet d&#039;\u00e9liminer les acides r\u00e9siduels et les impuret\u00e9s dissoutes.<\/li>\n\n\n\n<li>Les \u00e9tapes de neutralisation garantissent qu\u2019aucun acide ne reste susceptible de contaminer le produit final.<\/li>\n\n\n\n<li>Le quartz purifi\u00e9 est s\u00e9ch\u00e9. Il peut \u00e9galement \u00eatre calcin\u00e9 \u00e0 nouveau pour obtenir les propri\u00e9t\u00e9s physiques et chimiques souhait\u00e9es.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9sum\u00e9 du flux de processus<\/h2>\n\n\n\n<p>La transformation du minerai de quartz en quartz de haute puret\u00e9 implique une s\u00e9rie d&#039;\u00e9tapes de traitement min\u00e9ral et de purification chimique visant \u00e0 \u00e9liminer les impuret\u00e9s et \u00e0 atteindre une teneur tr\u00e8s \u00e9lev\u00e9e en silice (SiO2), g\u00e9n\u00e9ralement sup\u00e9rieure \u00e0 99,95%. Ce proc\u00e9d\u00e9 est essentiel pour produire du quartz adapt\u00e9 \u00e0 des applications industrielles avanc\u00e9es telles que les semi-conducteurs, la fibre optique, les panneaux solaires et l&#039;\u00e9lectronique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9tapes cl\u00e9s du processus de transformation<\/h2>\n\n\n\n<p><strong>1. Exploitation mini\u00e8re et pr\u00e9paration initiale<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le minerai de quartz est extrait de gisements dont l&#039;origine g\u00e9ologique et la teneur en impuret\u00e9s varient. La qualit\u00e9 du minerai de quartz brut (par exemple, issu de pegmatites granitiques ou de sources m\u00e9tamorphiques) affecte le potentiel de purification en raison des diff\u00e9rences de caract\u00e9ristiques min\u00e9ralogiques et d&#039;inclusions d&#039;impuret\u00e9s.<a href=\"https:\/\/quartz.alpapowder.com\/the-transformation-from-quartz-ore-to-high-purity-quartz\/\" target=\"_blank\" rel=\"noreferrer noopener\">4<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Concassage et broyage<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le minerai de quartz brut est broy\u00e9 \u00e0 l&#039;aide de concasseurs \u00e0 m\u00e2choires ou de concasseurs giratoires pour r\u00e9duire la taille en particules g\u00e9rables.<\/li>\n\n\n\n<li>Un broyage suppl\u00e9mentaire est effectu\u00e9 dans des broyeurs \u00e0 boulets ou \u00e0 barres pour produire une poudre de quartz fine, augmentant ainsi la surface pour les traitements chimiques ult\u00e9rieurs.<a href=\"https:\/\/www.miningpedia.cn\/dressing\/understanding-the-process-of-quartz-mining-and-processing.html\" target=\"_blank\" rel=\"noreferrer noopener\">2<\/a><a href=\"https:\/\/www.ausimm.com\/publications\/conference-proceedings\/international-future-mining-conference-2024-proceedings\/the-challenges-of-producing-high-purity-quartz\/\" target=\"_blank\" rel=\"noreferrer noopener\">3<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Classification et d\u00e9schlammage<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le quartz moulu est class\u00e9 par granulom\u00e9trie pour assurer l&#039;uniformit\u00e9.<\/li>\n\n\n\n<li>Le d\u00e9chlaminage par ultrasons peut \u00eatre utilis\u00e9 pour \u00e9liminer les fines particules d&#039;argile et de limon.<a href=\"https:\/\/www.mdpi.com\/2075-163X\/14\/7\/727\" target=\"_blank\" rel=\"noreferrer noopener\">1<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. S\u00e9paration magn\u00e9tique et \u00e9lectrostatique<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La s\u00e9paration magn\u00e9tique \u00e9limine les impuret\u00e9s contenant du fer et les min\u00e9raux ferromagn\u00e9tiques.<\/li>\n\n\n\n<li>La s\u00e9paration \u00e9lectrostatique cible les impuret\u00e9s non magn\u00e9tiques telles que le potassium, l&#039;albite, l&#039;aluminium et les micas<a href=\"https:\/\/www.ausimm.com\/publications\/conference-proceedings\/international-future-mining-conference-2024-proceedings\/the-challenges-of-producing-high-purity-quartz\/\" target=\"_blank\" rel=\"noreferrer noopener\">3<\/a><a href=\"https:\/\/patents.google.com\/patent\/CN103896286A\/en\" target=\"_blank\" rel=\"noreferrer noopener\">5<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>5. Purification chimique (lixiviation acide et d\u00e9capage)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La lixiviation acide avec de l&#039;acide chlorhydrique (HCl), de l&#039;acide sulfurique (H2SO4), de l&#039;acide fluorhydrique (HF) ou des m\u00e9langes de ceux-ci dissout les impuret\u00e9s m\u00e9talliques et autres comme le fer, l&#039;aluminium, le sodium, le calcium, le magn\u00e9sium et le plomb.<\/li>\n\n\n\n<li>Cette \u00e9tape est souvent r\u00e9alis\u00e9e \u00e0 des temp\u00e9ratures contr\u00f4l\u00e9es (60\u201380 \u00b0C) sous agitation pour favoriser la dissolution des impuret\u00e9s.<a href=\"https:\/\/www.miningpedia.cn\/dressing\/understanding-the-process-of-quartz-mining-and-processing.html\" target=\"_blank\" rel=\"noreferrer noopener\">2<\/a><a href=\"https:\/\/patents.google.com\/patent\/CN103896286A\/en\" target=\"_blank\" rel=\"noreferrer noopener\">5<\/a><a href=\"https:\/\/patents.google.com\/patent\/CN101948235A\/en\" target=\"_blank\" rel=\"noreferrer noopener\">6<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>6. Traitements \u00e0 haute temp\u00e9rature<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La calcination (chauffage \u00e0 environ 850\u20131200 \u00b0C) est utilis\u00e9e pour modifier les structures min\u00e9rales, \u00e9liminer les impuret\u00e9s volatiles et am\u00e9liorer la puret\u00e9 du quartz.<\/li>\n\n\n\n<li>La trempe \u00e0 l&#039;eau apr\u00e8s la calcination aide \u00e0 d\u00e9tacher les structures min\u00e9rales pour faciliter le broyage et l&#039;\u00e9limination des impuret\u00e9s<a href=\"https:\/\/www.mdpi.com\/2075-163X\/14\/7\/727\" target=\"_blank\" rel=\"noreferrer noopener\">1<\/a><a href=\"https:\/\/patents.google.com\/patent\/CN103896286A\/en\" target=\"_blank\" rel=\"noreferrer noopener\">5<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>7. Torr\u00e9faction par chloration \u00e0 chaud<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dans certains proc\u00e9d\u00e9s, une \u00e9tape de chloration \u00e0 chaud \u00e0 environ 1\u00a0200\u00a0\u00b0C, sous atmosph\u00e8re de chlore et de chlorure d&#039;hydrog\u00e8ne gazeux, est appliqu\u00e9e pour \u00e9liminer chimiquement les impuret\u00e9s r\u00e9siduelles. Cette \u00e9tape n\u00e9cessite des installations sp\u00e9cialis\u00e9es en raison des gaz dangereux pr\u00e9sents.<a href=\"https:\/\/www.ausimm.com\/publications\/conference-proceedings\/international-future-mining-conference-2024-proceedings\/the-challenges-of-producing-high-purity-quartz\/\" target=\"_blank\" rel=\"noreferrer noopener\">3<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>8. Lavage, neutralisation et s\u00e9chage<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apr\u00e8s les traitements acides, le quartz est soigneusement lav\u00e9 \u00e0 l&#039;eau d\u00e9ionis\u00e9e pour \u00e9liminer les acides r\u00e9siduels et les impuret\u00e9s dissoutes.<\/li>\n\n\n\n<li>Les \u00e9tapes de neutralisation garantissent qu\u2019aucun acide ne reste susceptible de contaminer le produit final.<\/li>\n\n\n\n<li>Le quartz purifi\u00e9 est ensuite s\u00e9ch\u00e9 et parfois calcin\u00e9 \u00e0 nouveau pour obtenir les propri\u00e9t\u00e9s physiques et chimiques souhait\u00e9es<a href=\"https:\/\/www.miningpedia.cn\/dressing\/understanding-the-process-of-quartz-mining-and-processing.html\" target=\"_blank\" rel=\"noreferrer noopener\">2<\/a><a href=\"https:\/\/patents.google.com\/patent\/CN103896286A\/en\" target=\"_blank\" rel=\"noreferrer noopener\">5<\/a><a href=\"https:\/\/patents.google.com\/patent\/CN101948235A\/en\" target=\"_blank\" rel=\"noreferrer noopener\">6<\/a>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9sum\u00e9 du flux de processus<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Sc\u00e8ne<\/th><th>But<\/th><th>M\u00e9thodes\/Conditions typiques<\/th><\/tr><\/thead><tbody><tr><td>Exploitation mini\u00e8re et extraction<\/td><td>Obtenir du minerai de quartz brut<\/td><td>Exploitation mini\u00e8re \u00e0 ciel ouvert ou souterraine<\/td><\/tr><tr><td>Concassage et broyage<\/td><td>R\u00e9duction de la taille et augmentation de la surface<\/td><td>Concasseur \u00e0 m\u00e2choires, broyeur \u00e0 boulets, broyeur \u00e0 barres<\/td><\/tr><tr><td>Classification et d\u00e9schlammage<\/td><td>\u00c9liminer les fines et classer les particules selon leur granulom\u00e9trie<\/td><td>D\u00e9schlammage par ultrasons, classificateurs<\/td><\/tr><tr><td>S\u00e9paration magn\u00e9tique et \u00e9lectrostatique<\/td><td>\u00c9limine les impuret\u00e9s magn\u00e9tiques et non magn\u00e9tiques<\/td><td>S\u00e9parateurs magn\u00e9tiques, s\u00e9parateurs \u00e9lectrostatiques<\/td><\/tr><tr><td>Lixiviation acide \/ D\u00e9capage<\/td><td>Dissoudre les impuret\u00e9s m\u00e9talliques et autres<\/td><td>Acides HCl, HF, H2SO4 \u00e0 60\u201380 \u00b0C<\/td><\/tr><tr><td>Calcination et trempe \u00e0 l&#039;eau<\/td><td>Modification structurelle et \u00e9limination des impuret\u00e9s<\/td><td>Chauffage \u00e0 850\u20131200\u00b0C, refroidissement rapide<\/td><\/tr><tr><td>Torr\u00e9faction par chloration \u00e0 chaud<\/td><td>\u00c9limination des impuret\u00e9s chimiques<\/td><td>Atmosph\u00e8re gazeuse de chlore-HCl \u00e0 ~1200\u00b0C<\/td><\/tr><tr><td>Lavage, Neutralisation, S\u00e9chage<\/td><td>\u00c9limination finale des impuret\u00e9s et s\u00e9chage<\/td><td>Lavage \u00e0 l&#039;eau d\u00e9ionis\u00e9e, s\u00e9chage \u00e0 ~175\u2013185\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Puret\u00e9 atteinte et d\u00e9fis<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le quartz de haute puret\u00e9 final pr\u00e9sente g\u00e9n\u00e9ralement une teneur en SiO\u2082 de 99,951 TP\u2083T ou plus. Elle peut parfois atteindre 99,971 TP\u2083T ou plus. Cela d\u00e9pend de la qualit\u00e9 du minerai et de l&#039;efficacit\u00e9 du proc\u00e9d\u00e9.<\/li>\n\n\n\n<li>Les principales impuret\u00e9s \u00e0 \u00e9liminer sont :\n<ul class=\"wp-block-list\">\n<li>Aluminium<\/li>\n\n\n\n<li>Fer<\/li>\n\n\n\n<li>Sodium<\/li>\n\n\n\n<li>Potassium<\/li>\n\n\n\n<li>Lithium<\/li>\n\n\n\n<li>Titane<\/li>\n\n\n\n<li>Zirconium<\/li>\n\n\n\n<li>Calcium<\/li>\n\n\n\n<li>Magn\u00e9sium<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Ce proc\u00e9d\u00e9 n\u00e9cessite un \u00e9quipement sp\u00e9cifique et des op\u00e9rateurs qualifi\u00e9s, notamment pour le broyage du quartz dur et la manipulation de produits chimiques dangereux lors de la chloration.<\/li>\n\n\n\n<li>L\u2019origine g\u00e9ologique et la min\u00e9ralisation du minerai de quartz influent sur la facilit\u00e9 et le co\u00fbt de sa purification.<\/li>\n<\/ul>\n\n\n\n<p>En r\u00e9sum\u00e9, transformer un minerai de quartz en quartz de haute puret\u00e9 est un processus complexe qui comprend plusieurs \u00e9tapes\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e9duction m\u00e9canique de la taille<\/li>\n\n\n\n<li>S\u00e9paration physique<\/li>\n\n\n\n<li>lixiviation chimique<\/li>\n\n\n\n<li>Les traitements thermaux<\/li>\n\n\n\n<li>Lavage soigneux<\/li>\n<\/ul>\n\n\n\n<p>Ces \u00e9tapes \u00e9liminent les impuret\u00e9s et permettent d&#039;obtenir la haute puret\u00e9 de la silice, indispensable aux industries de pointe.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Pour transformer le minerai de quartz en quartz de haute puret\u00e9, nous suivons plusieurs \u00e9tapes. Nous traitons d&#039;abord les min\u00e9raux, puis nous les purifions chimiquement. Ces \u00e9tapes permettent d&#039;\u00e9liminer les impuret\u00e9s. Notre objectif est d&#039;atteindre une teneur en silice (SiO2) sup\u00e9rieure \u00e0 99,95%. Ce proc\u00e9d\u00e9 est essentiel pour cr\u00e9er un quartz r\u00e9pondant aux besoins de l&#039;industrie de pointe. Il est utilis\u00e9 dans les semi-conducteurs, [\u2026]<\/p>","protected":false},"author":1,"featured_media":3171,"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":"disabled","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-3170","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 v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The transformation from quartz ore to high-purity quartz - Quartz Grinding Production Line<\/title>\n<meta name=\"description\" content=\"To produce high-purity quartz from quartz ore, we follow several steps. 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