{"id":14622,"date":"2025-09-02T07:19:29","date_gmt":"2025-09-02T07:19:29","guid":{"rendered":"https:\/\/www.ball-mill-classifiers.com\/?p=14622"},"modified":"2025-10-09T07:30:20","modified_gmt":"2025-10-09T07:30:20","slug":"ball-mill-in-mineral-processing-key-to-efficient-size-reduction-and-liberation","status":"publish","type":"post","link":"https:\/\/www.ball-mill-classifiers.com\/fr\/ball-mill-in-mineral-processing-key-to-efficient-size-reduction-and-liberation\/","title":{"rendered":"Broyeur \u00e0 boulets dans le traitement des min\u00e9raux\u00a0: la cl\u00e9 d&#039;une r\u00e9duction et d&#039;une lib\u00e9ration efficaces de la taille"},"content":{"rendered":"<p>Le <a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/\">broyeur \u00e0 billes<\/a> Le broyeur \u00e0 boulets est le c\u0153ur d&#039;une usine d&#039;enrichissement du minerai. Sa fonction principale est de concasser le minerai apr\u00e8s sa d\u00e9composition, permettant ainsi de lib\u00e9rer les min\u00e9raux pr\u00e9cieux des gangues. Cela permet de pr\u00e9parer la boue de minerai avec la granulom\u00e9trie et la concentration appropri\u00e9es pour les op\u00e9rations de s\u00e9paration ult\u00e9rieures (telles que la flottation, la s\u00e9paration magn\u00e9tique, etc.). <a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/products\/\">traitement des poudres min\u00e9rales<\/a> assure une r\u00e9duction efficace de la taille des particules et une lib\u00e9ration optimale des min\u00e9raux, essentielles au succ\u00e8s des techniques de s\u00e9paration en aval.<\/p>\n\n\n\n<p>Voici une description d\u00e9taill\u00e9e de son r\u00f4le :<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing.webp\" alt=\"\" class=\"wp-image-14624\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing.webp 800w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing-300x300.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing-100x100.webp 100w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing-768x768.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing-12x12.webp 12w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-processing-600x600.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-core-function-crushing-and-liberation\">Fonction principale : \u00c9crasement et lib\u00e9ration<\/h2>\n\n\n\n<p>C\u2019est le r\u00f4le le plus fondamental et le plus important du broyeur \u00e0 boulets.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Broyage physique (r\u00e9duction de taille) :<\/strong><br>Les broyeurs \u00e0 boulets re\u00e7oivent le minerai issu du concassage, dont la granulom\u00e9trie est g\u00e9n\u00e9ralement de 10 \u00e0 20 mm. Lors de la rotation du broyeur, les \u00e9l\u00e9ments de broyage (billes d&#039;acier, tiges, etc.) sont soulev\u00e9s \u00e0 une certaine hauteur, puis retombent, utilisant leur force d&#039;impact et de broyage pour broyer le minerai. Ce processus r\u00e9duit la granulom\u00e9trie \u00e0 l&#039;\u00e9chelle millim\u00e9trique, voire microm\u00e9trique (g\u00e9n\u00e9ralement de 0,074 mm \u00e0 environ 0,2 mm).<\/li>\n\n\n\n<li><strong>Lib\u00e9ration min\u00e9rale :<\/strong><br>Dans la nature, les min\u00e9raux pr\u00e9cieux (comme le cuivre, le fer, l&#039;or, etc.) et les min\u00e9raux de gangue sont souvent \u00e9troitement imbriqu\u00e9s. Sans r\u00e9duction significative de la taille des particules, ces min\u00e9raux ne peuvent \u00eatre s\u00e9par\u00e9s. Le broyage du broyeur \u00e0 boulets brise ces particules imbriqu\u00e9es le long des joints de grains min\u00e9raux, lib\u00e9rant ainsi le min\u00e9ral cible des particules composites. Ce processus est appel\u00e9 \u00ab\u00a0lib\u00e9ration\u00a0\u00bb.<\/li>\n<\/ul>\n\n\n\n<p>Le degr\u00e9 de lib\u00e9ration est un indicateur cl\u00e9 de l&#039;efficacit\u00e9 du broyage. Seule une lib\u00e9ration suffisante permet de concentrer efficacement les min\u00e9raux pr\u00e9cieux dans le concentr\u00e9 lors des processus de s\u00e9lection ult\u00e9rieurs. Dans le cas contraire, ils seront perdus dans les r\u00e9sidus, entra\u00eenant un gaspillage de ressources.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"797\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2.webp\" alt=\"\" class=\"wp-image-14625\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2.webp 800w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2-300x300.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2-100x100.webp 100w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2-768x765.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2-12x12.webp 12w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/09\/mineral-powder-2-600x598.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-preparing-feed-for-separation-operations\">Pr\u00e9paration des aliments pour les op\u00e9rations de s\u00e9paration<\/h2>\n\n\n\n<p>Le <a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/astra-portfolio\/a-heavy-calcium-carbonate-ball-milling-and-grading-modification-production-line-in-a-mineral-factory-in-serbia\/\">broyeur \u00e0 billes<\/a> n\u2019est pas seulement un appareil de concassage mais aussi un \u00ab atelier de pr\u00e9paration \u00bb pour l\u2019ensemble du processus d\u2019enrichissement.<\/p>\n\n\n\n<p><strong>Contr\u00f4le de la taille des particules :<\/strong><br>Diff\u00e9rentes m\u00e9thodes de s\u00e9paration ont des exigences strictes en mati\u00e8re de taille des particules d\u2019alimentation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flottaison :<\/strong> N\u00e9cessite g\u00e9n\u00e9ralement des particules d&#039;une taille comprise entre 0,01 mm et 0,3 mm. Des particules trop grossi\u00e8res emp\u00eachent la flottaison\u00a0; des particules trop fines (surbroyage) augmentent la consommation de r\u00e9actif et compliquent la r\u00e9cup\u00e9ration.<\/li>\n\n\n\n<li><strong>S\u00e9paration magn\u00e9tique \/ S\u00e9paration par gravit\u00e9 :<\/strong> Ces m\u00e9thodes ont \u00e9galement des exigences sp\u00e9cifiques en mati\u00e8re de taille de particules.<br>Les broyeurs \u00e0 boulets, associ\u00e9s \u00e0 des \u00e9quipements de classification (tels que des classificateurs en spirale et des hydrocyclones), forment un syst\u00e8me en circuit ferm\u00e9, contr\u00f4lant avec pr\u00e9cision la taille des particules pour r\u00e9pondre aux meilleures conditions pour les op\u00e9rations ult\u00e9rieures.<\/li>\n<\/ul>\n\n\n\n<p><strong>R\u00e9glage de la concentration de la suspension :<\/strong><br>Lors du broyage, de l&#039;eau est ajout\u00e9e pour former une suspension mixte. La concentration de la suspension apr\u00e8s broyage doit \u00eatre ajust\u00e9e \u00e0 la plage optimale pour la s\u00e9paration ult\u00e9rieure. Par exemple, la flottation n\u00e9cessite g\u00e9n\u00e9ralement une concentration de suspension comprise entre 25% et 45%. La concentration de la suspension \u00e0 la sortie du broyeur \u00e0 boulets sert de base aux ajustements ult\u00e9rieurs de l&#039;eau et des r\u00e9actifs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-working-process-of-the-ball-mill-in-mineral-powder-processing\">Processus de travail du <a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/produit\/ball-mill\/\">Broyeur \u00e0 billes<\/a>  dans le traitement des poudres min\u00e9rales <\/h2>\n\n\n\n<p>Un broyeur \u00e0 boulets fonctionne g\u00e9n\u00e9ralement en circuit ferm\u00e9 avec un syst\u00e8me de classification. Le processus refl\u00e8te clairement son r\u00f4le\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alimentation:<\/strong> Le minerai concass\u00e9 (avec une certaine proportion d\u2019eau) est introduit dans le broyeur \u00e0 boulets.<\/li>\n\n\n\n<li><strong>Aff\u00fbtage:<\/strong> Le broyeur tourne et les billes d&#039;acier et le minerai sont soulev\u00e9s \u00e0 une certaine hauteur avant de retomber. Cet impact et ce broyage \u00e9crasent le minerai.<\/li>\n\n\n\n<li><strong>D\u00e9charge:<\/strong> La boue broy\u00e9e est \u00e9vacu\u00e9e de l\u2019extr\u00e9mit\u00e9 oppos\u00e9e du broyeur.<\/li>\n\n\n\n<li><strong>Classification:<\/strong> La boue \u00e9vacu\u00e9e entre dans un dispositif de classification (type hydrocyclone). Les particules fines qualifi\u00e9es (surverse) sont envoy\u00e9es vers des op\u00e9rations de s\u00e9paration (telles que la flottation).<\/li>\n\n\n\n<li><strong>Recyclage:<\/strong> Les particules grossi\u00e8res (sous-verse) sont renvoy\u00e9es au broyeur pour un broyage suppl\u00e9mentaire.<br>Ce processus forme un cycle continu en boucle ferm\u00e9e pour garantir que le produit final r\u00e9pond \u00e0 la taille de particule requise.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"419\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/07\/Ball-mill-classifer-system-1-2.webp\" alt=\"Ball mill classifer system 1\" class=\"wp-image-14496\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/07\/Ball-mill-classifer-system-1-2.webp 800w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/07\/Ball-mill-classifer-system-1-2-300x157.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/07\/Ball-mill-classifer-system-1-2-768x402.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/07\/Ball-mill-classifer-system-1-2-18x9.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/07\/Ball-mill-classifer-system-1-2-600x314.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-summary\">R\u00e9sum\u00e9<\/h2>\n\n\n\n<p>Le broyeur \u00e0 boulets joue un r\u00f4le essentiel dans l&#039;enrichissement du minerai, servant de passerelle entre les processus de concassage et de s\u00e9paration. Ses fonctions sp\u00e9cifiques peuvent \u00eatre r\u00e9sum\u00e9es comme suit\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9crasement:<\/strong> R\u00e9duit le minerai en particules plus petites.<\/li>\n\n\n\n<li><strong>Lib\u00e9ration:<\/strong> D\u00e9compose les min\u00e9raux utiles des min\u00e9raux de la gangue, permettant ainsi la s\u00e9paration.<\/li>\n\n\n\n<li><strong>Pr\u00e9paration:<\/strong> Ajuste la boue \u00e0 la taille de particules et \u00e0 la concentration appropri\u00e9es pour les op\u00e9rations de s\u00e9paration ult\u00e9rieures.<\/li>\n\n\n\n<li><strong>Standardisation:<\/strong> Contr\u00f4le la taille des particules gr\u00e2ce \u00e0 une classification en circuit ferm\u00e9 pour r\u00e9pondre aux exigences des processus en aval.<\/li>\n<\/ul>\n\n\n\n<p>Ainsi, l&#039;efficacit\u00e9 et l&#039;\u00e9tat op\u00e9rationnel du broyeur \u00e0 boulets sont des indicateurs cl\u00e9s du niveau technologique et de gestion d&#039;une usine d&#039;enrichissement. L&#039;optimisation de son fonctionnement est un point central dans l&#039;industrie de l&#039;enrichissement du minerai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-epic-powder\"><a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/contact-us\/\">Poudre \u00e9pique<\/a><\/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=\"Production GCC\u00a0: Technologie avanc\u00e9e de broyeur \u00e0 boulets et \u00e0 broches de Qingdao EPIC \ud83c\udf1f\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/-6lSAM2gR2A?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>Epic Powder est sp\u00e9cialis\u00e9 dans l&#039;optimisation du fonctionnement et de l&#039;efficacit\u00e9 des broyeurs \u00e0 boulets. En am\u00e9liorant le processus de broyage et en contr\u00f4lant la granulom\u00e9trie et les taux de lib\u00e9ration, nous optimisons la r\u00e9cup\u00e9ration et la qualit\u00e9 des min\u00e9raux pr\u00e9cieux, garantissant ainsi une valorisation plus efficace et rentable. Nos solutions permettent d&#039;am\u00e9liorer consid\u00e9rablement le rendement tout en r\u00e9duisant la consommation d&#039;\u00e9nergie et les co\u00fbts d&#039;exploitation.<\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14067-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14067\">\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\/14622#wpcf7-f14067-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\/14622#wpcf7-f14067-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"14067\" \/><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-f14067-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=\"tel-901\"><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 t\u00e9l\u00e9phone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"tel-901\" \/><\/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> \u00e9toile<\/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=\"M415 24c-53 0-103 42-127 65-24-23-74-65-127-65C70 24 16 77 16 166c0 72 67 133 69 135l187 181c9 8 23 8 32 0l187-180c2-3 69-64 69-136 0-89-54-142-145-142z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"kc_human\" \/><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=\"3\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\"><path fill=\"currentColor\" d=\"M624 352h-16V244c0-13-5-25-14-34L494 110c-9-9-21-14-34-14h-44V48c0-26-21-48-48-48H48C22 0 0 22 0 48v320c0 27 22 48 48 48h16a96 96 0 00192 0h128a96 96 0 00192 0h48c9 0 16-7 16-16v-32c0-9-7-16-16-16zM160 464a48 48 0 110-96 48 48 0 010 96zm320 0a48 48 0 110-96 48 48 0 010 96zm80-208H416V144h44l100 100v12z\"\/><\/svg><\/label>\r\n    <\/span>\r\n    <span style=\"display:none\">\r\n        <input type=\"text\" name=\"kc_honeypot\">\r\n    <\/span><\/span><\/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:0px;}\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: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Le broyeur \u00e0 boulets est le c\u0153ur d&#039;une usine d&#039;enrichissement du minerai. Sa fonction principale est de concasser davantage le minerai apr\u00e8s sa d\u00e9composition, permettant ainsi aux min\u00e9raux pr\u00e9cieux [\u2026]<\/p>","protected":false},"author":1,"featured_media":14684,"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 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