{"id":12647,"date":"2024-10-02T11:45:33","date_gmt":"2024-10-02T09:45:33","guid":{"rendered":"https:\/\/www.baikowski.com\/water-filtration-with-baikowski-spinel-virus-and-microorganism-removal\/"},"modified":"2025-12-23T14:36:12","modified_gmt":"2025-12-23T13:36:12","slug":"filtration-de-leau-contribution-de-la-spinelle-s25-dans-l-elimination-des-virus-et-micro-organismes","status":"publish","type":"post","link":"https:\/\/www.baikowski.com\/fr\/filtration-de-leau-contribution-de-la-spinelle-s25-dans-l-elimination-des-virus-et-micro-organismes\/","title":{"rendered":"Filtration de l\u2019eau: spinelle S25 contribue \u00e0 l&rsquo;\u00e9limination des virus et micro-organismes"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-9793 alignleft\" src=\"https:\/\/www.baikowski.com\/wp-content\/uploads\/2024\/10\/drinking-water-tap-water-300x232.jpg\" alt=\"\" width=\"252\" height=\"195\" srcset=\"https:\/\/www.baikowski.com\/wp-content\/uploads\/2024\/10\/drinking-water-tap-water-300x232.jpg 300w, https:\/\/www.baikowski.com\/wp-content\/uploads\/2024\/10\/drinking-water-tap-water.jpg 450w\" sizes=\"auto, (max-width: 252px) 100vw, 252px\" \/>Alors que la demande mondiale en syst\u00e8mes efficaces de traitement de l\u2019eau augmente, en particulier dans les r\u00e9gions o\u00f9 l\u2019acc\u00e8s \u00e0 une eau potable\u00a0 est rare, le d\u00e9veloppement de<a href=\"https:\/\/www.baikowski.com\/fr\/alumine-cr6-role-dans-amelioration-performances-de-separation-des-membranes-composites\/\"> technologies de filtration innovantes<\/a> est devenu un axe prioritaire.<\/p>\n<p>Dans une \u00e9tude r\u00e9cente intitul\u00e9e \u00ab Removal of MS2 and fr Bacteriophages Using MgAl\u2082O\u2084-Modified, Al\u2082O\u2083-Stabilized Porous Ceramic Granules for Drinking Water Treatment \u00bb, des chercheurs ont \u00e9valu\u00e9 l\u2019efficacit\u00e9 d\u2019une membrane de filtration avanc\u00e9e, bas\u00e9e sur un composite.<\/p>\n<p>Cette membrane c\u00e9ramique, r\u00e9alis\u00e9e \u00e0 partir d\u2019oxide d&rsquo;aluminium (Al\u2082O\u2083) et de <a href=\"https:\/\/www.baikowski.com\/fr\/serie\/s25-s30\/\"><strong>spinelle magn\u00e9sio-aluminate Baikowski\u00ae (MgAl\u2082O\u2084)<\/strong><\/a>, pr\u00e9sente un potentiel pour l\u2019\u00e9limination de virus \u2014 tels que les bact\u00e9riophages \u2014 ainsi que d\u2019autres micro-organismes impliqu\u00e9s dans les maladies d\u2019origine hydrique.<\/p>\n<h2>Lutter contre les pathog\u00e8nes d\u2019origine hydrique avec des membranes composites \u00e0 base de spinelle<\/h2>\n<p>La membrane est fabriqu\u00e9e en int\u00e9grant des granules de spinelle dans une matrice d\u2019alumine. Cette approche composite tire parti de la r\u00e9sistance m\u00e9canique de l\u2019alumine et des capacit\u00e9s de filtration de la spinelle, gr\u00e2ce \u00e0 sa structure de pores fins et \u00e0 sa stabilit\u00e9.<\/p>\n<p>Le produit Baikowski\u00ae utilis\u00e9 <strong>S25CR est une poudre de spinelle de haute puret\u00e9, broy\u00e9e par jet d&rsquo;air<\/strong>\u00a0(dv50 = 0,25 \u00b5m et surface sp\u00e9cifique de 21\u201324 m\u00b2\/g).<\/p>\n<p>Cette combinaison de mat\u00e9riaux permet \u00e0 la membrane de conserver ses performances, m\u00eame dans des conditions environnementales extr\u00eames.<\/p>\n<h2>Avantages de la poudre spinelle Baikowski\u00ae pour les applications de filtration avanc\u00e9e<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3554 alignright\" src=\"https:\/\/www.baikowski.com\/wp-content\/uploads\/2020\/08\/Baikowski\u00ae-products-2018_\u00a9utopikphoto-21-300x200.jpg\" alt=\"Saphir poli et non poli pour l\u2019horlogerie, fabriqu\u00e9 \u00e0 partir d\u2019alumine de haute puret\u00e9\" width=\"329\" height=\"219\" \/>Chez Baikowski\u00ae, les poudres de spinelle sont con\u00e7ues pour r\u00e9pondre aux standards les plus exigeants des applications c\u00e9ramiques. Voici comment notre produit S25CR s\u2019aligne sur les besoins des syst\u00e8mes de filtration avanc\u00e9s :<\/p>\n<ul>\n<li><strong>Taille des particules et distribution granulom\u00e9trique :<\/strong> notre poudre de spinelle obtenue par jet-milling offre une taille de particules fine et une distribution contr\u00f4l\u00e9e autour de 0,25 \u00b5m, permettant un ajustement pr\u00e9cis de la porosit\u00e9 de la membrane.<\/li>\n<li><strong>Haut niveau de puret\u00e9 :<\/strong> avec plus de 99 % de puret\u00e9 , notre poudre limite les impuret\u00e9s susceptibles de perturber les performances de la membrane. Cette puret\u00e9 est essentielle pour pr\u00e9venir toute contamination, qui peut r\u00e9duire l\u2019efficacit\u00e9 de la filtration dans des applications sensibles comme le traitement de l\u2019eau.<\/li>\n<\/ul>\n<h2>Caract\u00e9risation post-filtration et r\u00e9g\u00e9n\u00e9ration thermique<\/h2>\n<p>Une \u00e9tape cl\u00e9 de l\u2019\u00e9tude consistait \u00e0 caract\u00e9riser les mat\u00e9riaux apr\u00e8s filtration afin d\u2019\u00e9valuer <strong>la durabilit\u00e9 et la stabilit\u00e9 de la membrane<\/strong>. L\u2019analyse par diffraction des rayons X a confirm\u00e9 que la composition de phase des granules de spinelle \u00e9tait pr\u00e9serv\u00e9e apr\u00e8s exposition \u00e0 2 litres d\u2019eau contamin\u00e9e. La microscopie \u00e9lectronique a \u00e9galement montr\u00e9 que <strong>la structure granulaire restait intacte<\/strong>, garantissant l\u2019efficacit\u00e9 du syst\u00e8me m\u00eame apr\u00e8s une utilisation prolong\u00e9e.<\/p>\n<p>Par ailleurs, l\u2019\u00e9tude a mesur\u00e9 la lib\u00e9ration d\u2019aluminium et de magn\u00e9sium dans le perm\u00e9at apr\u00e8s filtration. Aucun r\u00e9sidu d&rsquo;aluminium n\u2019a \u00e9t\u00e9 d\u00e9tect\u00e9 et les niveaux de magn\u00e9sium \u00e9taient nettement inf\u00e9rieurs au seuil recommand\u00e9 par l\u2019OMS pour l\u2019eau potable. Ce faible relargage de magn\u00e9sium constitue un avantage notable, car un exc\u00e8s de magn\u00e9sium dans l\u2019eau contribue \u00e0 sa duret\u00e9.<\/p>\n<p>L\u2019un des points forts du syst\u00e8me de filtration \u00e0 base de spinelle est son potentiel de <strong>r\u00e9g\u00e9n\u00e9ration thermique<\/strong>. Lorsque les pores de la membrane se colmatent sous l\u2019effet des contaminants, un traitement thermique \u00e0 400 \u00b0C peut restaurer sa capacit\u00e9 de filtration. Cette possibilit\u00e9 de r\u00e9g\u00e9n\u00e9ration prolonge la dur\u00e9e de vie de la membrane et en fait une solution durable.<\/p>\n<h2>Personnalisation des poudres<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1933 alignright\" src=\"https:\/\/www.baikowski.com\/wp-content\/uploads\/2019\/12\/PLPN00161649A2Baikowski-3-300x200.jpg\" alt=\"Travaux de R&amp;D avec alumine de haute puret\u00e9, spinelle et autres oxydes fins chez Baikowski SA\" width=\"347\" height=\"231\" \/>En conclusion, les membranes composites \u00e0 base de spinelle offrent une solution pour filtrer les virus et autres micro-organismes pr\u00e9sents dans l\u2019eau potable, avec l\u2019avantage suppl\u00e9mentaire d\u2019\u00eatre durables et r\u00e9g\u00e9n\u00e9rables. La poudre de spinelle de haute puret\u00e9 Baikowski\u00ae, S25CR, joue un r\u00f4le dans ces technologies de filtration avanc\u00e9es, en garantissant <strong>\u00e0 la fois une haute efficacit\u00e9 de filtration et une stabilit\u00e9 \u00e0 long terme.<br \/>\n<\/strong>Pour des informations plus d\u00e9taill\u00e9es, vous pouvez consulter l\u2019\u00e9tude compl\u00e8te <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC9145336\/\" target=\"_blank\" rel=\"noopener\">ici<\/a>.<\/p>\n<p>Chez Baikowski\u00ae, nos \u00e9quipes R&amp;D personnalisent les solutions, par exemple en<strong> ajustant le dopant ou la taille des particules<\/strong>, afin de r\u00e9pondre \u00e0 vos sp\u00e9cifications. Nous travaillons en \u00e9troite collaboration pour d\u00e9velopper des produits qui repoussent les limites de vos besoins applicatifs. Des questions ? <strong>Contactez-nous<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alors que la demande mondiale en syst\u00e8mes efficaces de traitement de l\u2019eau augmente, en particulier dans les r\u00e9gions o\u00f9 l\u2019acc\u00e8s \u00e0 une eau potable\u00a0 est rare, le d\u00e9veloppement de technologies de filtration innovantes est devenu un axe prioritaire. Dans une \u00e9tude r\u00e9cente intitul\u00e9e \u00ab Removal of MS2 and fr Bacteriophages Using MgAl\u2082O\u2084-Modified, Al\u2082O\u2083-Stabilized Porous Ceramic [&hellip;]<\/p>\n","protected":false},"author":1076,"featured_media":9414,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53],"tags":[],"class_list":["post-12647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Filtration de l\u2019eau et spinelle S25 - Baikowski\u00ae<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment les composites \u00e0 base de spinelle am\u00e9liorent la filtration de l&#039;eau par membrane, en \u00e9limination des agents pathog\u00e8nes.\" \/>\n<meta name=\"robots\" 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