{"id":6921,"date":"2021-07-16T15:16:00","date_gmt":"2021-07-16T13:16:00","guid":{"rendered":"http:\/\/hasler-gp.com\/?post_type=expertise&#038;p=6921"},"modified":"2024-03-05T15:37:15","modified_gmt":"2024-03-05T14:37:15","slug":"reactions-dans-un-milieu-visqueux","status":"publish","type":"expertise","link":"https:\/\/hasler-gp.com\/fr\/expertise\/reactions-dans-un-milieu-visqueux\/","title":{"rendered":"R\u00c9ACTIONS DANS UN MILIEU VISQUEUX"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Le m\u00e9lange de produits tr\u00e8s visqueux (plusieurs milliers de Pa.s) est courant dans diverses industries, notamment chimiques, pharmaceutiques, p\u00e9trochimiques et alimentaires.<\/h2>\n\n\n\n<p>Les op\u00e9rateurs sont confront\u00e9s \u00e0 des d\u00e9fis dans la pr\u00e9paration de formulations complexes, n\u00e9cessitant des solutions de production efficaces tout en g\u00e9rant les effets de viscosit\u00e9 et les multiples sous-\u00e9tapes du processus.<\/p>\n\n\n\n<p>L&rsquo;\u00e9quilibre entre la cr\u00e9ation de produits complexes et les m\u00e9thodes de production efficaces pose des probl\u00e8mes simultan\u00e9s. La gestion \u00e9conomique des r\u00e9actions dans les milieux visqueux est une priorit\u00e9 industrielle essentielle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les cl\u00e9s de la r\u00e9ussite :<\/h2>\n\n\n\n<p><strong>A. Acc\u00e9l\u00e9rer les transferts de mat\u00e9riaux<\/strong><br>Contr\u00f4ler la cr\u00e9ation d&rsquo;un produit homog\u00e8ne et de haute qualit\u00e9 en pr\u00e9sence d&rsquo;une viscosit\u00e9 \u00e9lev\u00e9e et de r\u00e9actions chimiques simultan\u00e9es pose des d\u00e9fis. <\/p>\n\n\n\n<p>L&rsquo;augmentation de la viscosit\u00e9 entrave les transferts de masse, limitant le contact avec les r\u00e9actifs et les taux de r\u00e9action.<\/p>\n\n\n\n<p>L&rsquo;augmentation de la viscosit\u00e9 entrave les transferts de masse, limitant le contact avec les r\u00e9actifs et les taux de r\u00e9action.<\/p>\n\n\n\n<p><strong>B. Contr\u00f4le des gradients de temp\u00e9rature<\/strong><\/p>\n\n\n\n<p>Le contr\u00f4le de la temp\u00e9rature est crucial pour la qualit\u00e9 du produit, car il affecte consid\u00e9rablement la viscosit\u00e9.<\/p>\n\n\n\n<p>L&rsquo;\u00e9quipement garantit une temp\u00e9rature uniforme dans tout le volume, \u00e9vitant ainsi les \u00e9carts et garantissant la temp\u00e9rature requise pour le processus.<\/p>\n\n\n\n<p>En outre, des zones et des \u00e9quipements \u00e0 temp\u00e9rature contr\u00f4l\u00e9e peuvent r\u00e9guler la temp\u00e9rature au sein de la masse r\u00e9actionnelle, ce qui permet de rem\u00e9dier efficacement \u00e0 cette limitation critique.<\/p>\n\n\n\n<p><strong>C. Contr\u00f4ler l&rsquo;\u00e9quilibre de la r\u00e9action<\/strong><\/p>\n\n\n\n<p>Certaines r\u00e9actions chimiques produisent des sous-produits (gaz, liquides, solides) qui doivent \u00eatre \u00e9limin\u00e9s en continu pour am\u00e9liorer le rendement. Par exemple, dans la polycondensation, l&rsquo;\u00e9limination de l&rsquo;eau est essentielle.<\/p>\n\n\n\n<p>Une technologie appropri\u00e9e facilite ce processus et garantit la performance globale de la solution. L&rsquo;am\u00e9lioration des transferts de mati\u00e8re et de chaleur dans l&rsquo;ensemble du volume peut minimiser les besoins en additifs (solvants, diluants, tensioactifs) pour obtenir les propri\u00e9t\u00e9s physiques souhait\u00e9es du produit.<\/p>\n\n\n\n<p>La r\u00e9duction des proportions d&rsquo;additifs am\u00e9liore la puret\u00e9 du produit et simplifie consid\u00e9rablement les phases de purification.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"614\" src=\"http:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-1024x614.jpg\" alt=\"\" class=\"wp-image-2608 size-full\" srcset=\"https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-1024x614.jpg 1024w, https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-300x180.jpg 300w, https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-768x461.jpg 768w, https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-1536x922.jpg 1536w, https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-2048x1229.jpg 2048w, https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-400x240.jpg 400w, https:\/\/hasler-gp.com\/wp-content\/uploads\/2023\/11\/EN-livre-blanc-mockup-1000x600.jpg 1000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>DOSSIER TH\u00c9MATIQUE : <strong>LE MALAXAGE FACE AUX NOUVELLES PRIORIT\u00c9S INDUSTRIELLES<\/strong><\/p>\n\n\n\n<p>Comment le m\u00e9lange, qui se d\u00e9finit simplement comme le travail de produits visqueux, peut-il s&rsquo;inscrire dans les priorit\u00e9s industrielles d&rsquo;aujourd&rsquo;hui et de demain ?<br>Les pages suivantes donnent un aper\u00e7u.<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le m\u00e9lange de produits tr\u00e8s visqueux (plusieurs milliers de Pa.s) est courant dans diverses industries, notamment chimiques, pharmaceutiques, p\u00e9trochimiques et alimentaires. Les op\u00e9rateurs sont confront\u00e9s \u00e0 des d\u00e9fis dans la pr\u00e9paration de formulations complexes, n\u00e9cessitant des solutions de production efficaces tout en g\u00e9rant les effets de viscosit\u00e9 et les multiples sous-\u00e9tapes du processus. L&rsquo;\u00e9quilibre entre [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6916,"comment_status":"open","ping_status":"closed","template":"","cat-expertise":[66],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R\u00c9ACTIONS DANS UN MILIEU VISQUEUX - HASLER Group<\/title>\n<meta name=\"description\" content=\"Ma\u00eetrisez le malaxage en milieu visqueux avec pr\u00e9cision gr\u00e2ce \u00e0 Hasler Group.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hasler-gp.com\/fr\/expertise\/reactions-dans-un-milieu-visqueux\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00c9ACTIONS DANS UN MILIEU VISQUEUX - HASLER Group\" \/>\n<meta property=\"og:description\" content=\"Ma\u00eetrisez le malaxage en milieu visqueux avec pr\u00e9cision gr\u00e2ce \u00e0 Hasler Group.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hasler-gp.com\/fr\/expertise\/reactions-dans-un-milieu-visqueux\/\" \/>\n<meta property=\"og:site_name\" content=\"HASLER Group\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-05T14:37:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hasler-gp.com\/wp-content\/uploads\/2024\/03\/viscous-medium.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/hasler-gp.com\/fr\/expertise\/reactions-dans-un-milieu-visqueux\/\",\"url\":\"https:\/\/hasler-gp.com\/fr\/expertise\/reactions-dans-un-milieu-visqueux\/\",\"name\":\"R\u00c9ACTIONS DANS UN MILIEU VISQUEUX - 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