{"id":111948,"date":"2025-07-21T16:48:50","date_gmt":"2025-07-21T14:48:50","guid":{"rendered":"https:\/\/batijournal.com\/?p=111948"},"modified":"2025-07-21T16:48:50","modified_gmt":"2025-07-21T14:48:50","slug":"chaux-saint-astier-investit-40-me-dans-une-usine-decarbonee-une-revolution-industrielle-au-service-du-patrimoine-et-de-leco-construction","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/chaux-saint-astier-investit-40-me-dans-une-usine-decarbonee-une-revolution-industrielle-au-service-du-patrimoine-et-de-leco-construction\/111948\/","title":{"rendered":"Chaux Saint-Astier investit 40 M\u20ac dans une usine d\u00e9carbon\u00e9e : une r\u00e9volution industrielle au service du patrimoine et de l\u2019\u00e9co-construction"},"content":{"rendered":"<p class=\"p1\"><b>L\u2019entreprise familiale centenaire Chaux Saint-Astier engage un investissement strat\u00e9gique de 40 millions d\u2019euros dans la construction d\u2019une nouvelle unit\u00e9 de production d\u00e9carbon\u00e9e en Dordogne. Une initiative industrielle ambitieuse, alliant performance environnementale, innovation technologique et valorisation des savoir-faire historiques.<\/b><\/p>\n<p class=\"p1\">Leader ind\u00e9pendant fran\u00e7ais des chaux hydrauliques naturelles, <span class=\"s1\"><b>Chaux Saint-Astier<\/b><\/span> franchit une \u00e9tape majeure de sa transformation avec la <span class=\"s1\"><b>construction d\u2019une usine nouvelle g\u00e9n\u00e9ration<\/b><\/span>, \u00e0 horizon 2028. Ce projet, ancr\u00e9 \u00e0 Saint-Astier (24), marque l\u2019aboutissement d\u2019une strat\u00e9gie RSE ambitieuse et vise une r\u00e9duction de <span class=\"s1\"><b>25 % de l\u2019empreinte carbone<\/b><\/span>d\u2019ici 2030.<\/p>\n<p class=\"p1\"><b>Une usine innovante au c\u0153ur du P\u00e9rigord<\/b><\/p>\n<p class=\"p1\">Implant\u00e9e sur 5 hectares, la nouvelle unit\u00e9 industrielle int\u00e9grera des technologies in\u00e9dites \u00e0 l\u2019\u00e9chelle mondiale :<\/p>\n<ul>\n<li class=\"p1\"><b>R\u00e9cup\u00e9ration de chaleur fatale<\/b><\/li>\n<li class=\"p1\"><b>R\u00e9utilisation des eaux de pluie dans le process<\/b><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Panneaux photovolta\u00efques<\/b><\/span> couvrant jusqu\u2019\u00e0 40 % des besoins<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Filtration des poussi\u00e8res<\/b><\/span> avec un rendement de 98 %<\/li>\n<li class=\"p1\"><b>Recyclage des fines de carri\u00e8res<\/b><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Transition \u00e9nerg\u00e9tique<\/b><\/span> vers le gaz naturel (2028), puis le biogaz (2030)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p class=\"p1\">L\u2019objectif est clair : s\u2019affranchir du charbon, optimiser les rendements \u00e9nerg\u00e9tiques et r\u00e9duire les \u00e9missions de CO\u2082 \u00e0 chaque \u00e9tape de la production.<\/p>\n<p class=\"p1\"><b>Un mod\u00e8le d\u2019industrie durable et territoriale<\/b><\/p>\n<p class=\"p1\">L\u2019entreprise, qui emploie 150 personnes majoritairement issues du territoire, revendique une <span class=\"s1\"><b>gestion raisonn\u00e9e du gisement calcaire<\/b><\/span> et un ancrage fort dans les boucles courtes locales. Le projet a re\u00e7u le <span class=\"s1\"><b>soutien de l\u2019ADEME, de la R\u00e9gion Nouvelle-Aquitaine et de l\u2019Union europ\u00e9enne<\/b><\/span>, via la feuille de route N\u00e9oterra.<\/p>\n<p class=\"p1\">Chaux Saint-Astier m\u00e8ne \u00e9galement des programmes de R&amp;D en partenariat avec des laboratoires et industriels, visant \u00e0 d\u00e9velopper des formulations biosourc\u00e9es (chanvre, lin, terre) et des produits \u00e0 faible impact, comme la gamme <span class=\"s1\"><b>Novaskin<\/b><\/span> lanc\u00e9e en 2024.<\/p>\n<p class=\"p1\"><b>Une vision globale, tourn\u00e9e vers le patrimoine et l\u2019export<\/b><\/p>\n<p class=\"p1\">R\u00e9f\u00e9rence en restauration de monuments historiques en France et \u00e0 l\u2019international (Notre-Dame, Pont du Gard, Gaud\u00ed \u00e0 Barcelone\u2026), Saint-Astier structure aussi son d\u00e9veloppement \u00e0 l\u2019\u00e9tranger, avec une cellule export active depuis 2021 (Canada, \u00c9tats-Unis, Moyen-Orient). Le secteur international repr\u00e9sente d\u00e9j\u00e0 <span class=\"s1\"><b>17 % de son chiffre d\u2019affaires<\/b><\/span>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019entreprise familiale centenaire Chaux Saint-Astier engage un investissement strat\u00e9gique de 40 millions d\u2019euros dans la construction d\u2019une nouvelle unit\u00e9 de production d\u00e9carbon\u00e9e en Dordogne. Une initiative industrielle ambitieuse, alliant performance environnementale, innovation technologique et valorisation des savoir-faire historiques. Leader ind\u00e9pendant fran\u00e7ais des chaux hydrauliques naturelles, Chaux Saint-Astier franchit une \u00e9tape majeure de sa transformation avec [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":111949,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10736,10530],"tags":[13086],"class_list":["post-111948","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-actualites","tag-saint-astier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chaux Saint-Astier investit 40 M\u20ac dans une usine d\u00e9carbon\u00e9e : une r\u00e9volution industrielle au service du patrimoine et de l\u2019\u00e9co-construction<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/batijournal.com\/index.php\/chaux-saint-astier-investit-40-me-dans-une-usine-decarbonee-une-revolution-industrielle-au-service-du-patrimoine-et-de-leco-construction\/111948\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chaux Saint-Astier investit 40 M\u20ac dans une usine d\u00e9carbon\u00e9e : une r\u00e9volution industrielle au service du patrimoine et de l\u2019\u00e9co-construction\" \/>\n<meta property=\"og:description\" content=\"L\u2019entreprise familiale centenaire Chaux Saint-Astier engage un investissement strat\u00e9gique de 40 millions d\u2019euros dans la construction d\u2019une nouvelle unit\u00e9 de production d\u00e9carbon\u00e9e en Dordogne. Une initiative industrielle ambitieuse, alliant performance environnementale, innovation technologique et valorisation des savoir-faire historiques. 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