{"id":7276,"date":"2024-08-29T09:10:34","date_gmt":"2024-08-29T09:10:34","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7276"},"modified":"2026-04-28T10:42:34","modified_gmt":"2026-04-28T10:42:34","slug":"microchemical-technology-in-the-context-of-a-large-chemical-production-model","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/microchemical-technology-in-the-context-of-a-large-chemical-production-model\/","title":{"rendered":"Technologie microchimique dans le contexte d'un grand mod\u00e8le de production chimique"},"content":{"rendered":"<h1><strong>Technologie microchimique dans le contexte d'un grand mod\u00e8le de production chimique<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>R\u00e9ponse rapide :<\/strong> Les enzymes et les ingr\u00e9dients de transformation alimentaire sont g\u00e9n\u00e9ralement s\u00e9lectionn\u00e9s selon l'ad\u00e9quation du substrat, la plage de pH et de temp\u00e9rature, la dose, et si la sp\u00e9cification d'utilisation finale est acceptable pour le processus cible. Le choix commercial le plus solide est celui qui est performant de mani\u00e8re constante dans les conditions de traitement r\u00e9elles.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>\u00c0 l'heure actuelle, la production chimique selon le mode de la \"grande chimie\" pr\u00e9sente de nombreux probl\u00e8mes, tels que des \u00e9quipements \u00e9normes, une consommation d'\u00e9nergie \u00e9lev\u00e9e, une forte pollution, le gaspillage des ressources, une faible efficacit\u00e9, etc. La mani\u00e8re de r\u00e9soudre efficacement ces probl\u00e8mes est devenue un d\u00e9fi que l'industrie chimique doit relever. En tant que nouveau type de technologie chimique, le syst\u00e8me microchimique peut renforcer le processus de r\u00e9action, r\u00e9duire la consommation d'\u00e9nergie et de mat\u00e9riaux du processus, et am\u00e9liorer l'efficacit\u00e9 et la s\u00e9curit\u00e9 de la production, d'o\u00f9 son utilisation g\u00e9n\u00e9ralis\u00e9e.<\/p>\n<p>L'am\u00e9lioration de la technologie de l'information repr\u00e9sent\u00e9e par les ordinateurs et le d\u00e9veloppement des syst\u00e8mes micro\u00e9lectrom\u00e9caniques (MEMS) ont fait p\u00e9n\u00e9trer le concept de \"miniaturisation\" dans tous les domaines de la vie et du travail de l'homme. La production chimique est pass\u00e9e par deux grandes \u00e9tapes de d\u00e9veloppement, la traditionnelle \"op\u00e9ration unitaire\" et \"trois passes et une marche arri\u00e8re\", et le champ de la recherche avanc\u00e9e s'\u00e9tend progressivement au domaine de la micro-\u00e9chelle.<\/p>\n<p>Exp\u00e9rimentation - Petit essai - Type moyen - Production chimique<\/p>\n<p>&nbsp;<\/p>\n<p>La technologie microchimique implique un micror\u00e9acteur, un microm\u00e9langeur, un micros\u00e9parateur, un micro\u00e9changeur de chaleur, etc., au cours duquel le fluide est microfluide.<\/p>\n<p>&nbsp;<\/p>\n<p>Syst\u00e8me microchimique : processus chimique r\u00e9alis\u00e9 dans un espace confin\u00e9 de l'ordre du microm\u00e8tre ou du sous-millim\u00e8tre, dont le c\u0153ur est constitu\u00e9 de composants microstructur\u00e9s qui am\u00e9liorent le m\u00e9lange et le transfert en r\u00e9duisant l'\u00e9chelle de dispersion du syst\u00e8me, am\u00e9liorant ainsi la contr\u00f4labilit\u00e9 et l'efficacit\u00e9 du processus. La mise \u00e0 l'\u00e9chelle technique des micror\u00e9acteurs consiste essentiellement en une augmentation du nombre d'unit\u00e9s (num\u00e9rotation), c'est-\u00e0-dire des connexions parall\u00e8les multiples, plut\u00f4t qu'en une mise \u00e0 l'\u00e9chelle du r\u00e9acteur (mise \u00e0 l'\u00e9chelle).<\/p>\n<p>&nbsp;<\/p>\n<p>Les micror\u00e9acteurs ne sont pas petits en raison de leur taille, mais en raison de leurs canaux d'\u00e9coulement \u00e9troits, de leur vitesse d'\u00e9coulement \u00e9lev\u00e9e, de l'intensit\u00e9 du m\u00e9lange et de l'am\u00e9lioration du transfert de masse et de chaleur.<\/p>\n<p>&nbsp;<\/p>\n<p>Par rapport aux \u00e9quipements chimiques traditionnels, les \u00e9quipements microchimiques pr\u00e9sentent les avantages suivants : taux de transfert \u00e9lev\u00e9, facilit\u00e9 d'amplification directe, s\u00e9curit\u00e9 \u00e9lev\u00e9e, facilit\u00e9 de contr\u00f4le, etc. Il peut r\u00e9aliser la production continue et hautement int\u00e9gr\u00e9e, d\u00e9centralis\u00e9e et flexible du processus chimique. Il peut am\u00e9liorer consid\u00e9rablement l'efficacit\u00e9 de l'utilisation des ressources et de l'\u00e9nergie dans le processus de r\u00e9action, et r\u00e9aliser l'intensification, la miniaturisation et l'\u00e9cologisation du processus chimique.<\/p>\n<p>&nbsp;<\/p>\n<p>Risque faible<\/p>\n<p>De nombreuses r\u00e9actions dans l'industrie chimique sont des processus fortement exothermiques, il y a un risque d'explosion, l'utilisation de la technologie des micror\u00e9actions peut am\u00e9liorer l'efficacit\u00e9 du processus, am\u00e9liorer la s\u00e9curit\u00e9 du processus. Par exemple, la s\u00e9curit\u00e9 des r\u00e9actions d'hydrog\u00e9nation et d'oxydation dans la production de peroxyde d'hydrog\u00e8ne est l'aspect le plus important pour d\u00e9terminer la s\u00e9curit\u00e9 du processus.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Efficacit\u00e9 et rapidit\u00e9 \u00e9lev\u00e9es<\/p>\n<p>Le rendement de la r\u00e9action d'amidation dans le proc\u00e9d\u00e9 au tolu\u00e8ne est pass\u00e9 de 82% \u00e0 plus de 95%, et la consommation d'acide sulfurique fumant pour la r\u00e9action de r\u00e9arrangement de Beckman dans le proc\u00e9d\u00e9 au benz\u00e8ne a \u00e9t\u00e9 r\u00e9duite de 30%.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Production industrielle<\/p>\n<p>&nbsp;<\/p>\n<p>Unit\u00e9 de production de micro-r\u00e9acteurs de carbonate de calcium nanom\u00e9trique de 50 000 tonnes\/an<\/p>\n<p>&nbsp;<\/p>\n<p>Caract\u00e9ristiques : faible investissement, faible consommation d'\u00e9nergie ; petite taille des particules, distribution \u00e9troite et bonne r\u00e9p\u00e9tabilit\u00e9 du produit ; facile \u00e0 contr\u00f4ler le processus de production.<\/p>\n<p>Compte \u00e0 rebours ! Modernisation des technologies et des \u00e9quipements de transformation continue et automatis\u00e9e [Participation + Visite<\/p>\n<p>Le micro-syst\u00e8me de source d'hydrog\u00e8ne utilis\u00e9 dans la pile \u00e0 combustible \u00e0 membrane \u00e9changeuse de protons de classe kilowatt d\u00e9velopp\u00e9e par l'Institut de technologie chimique de Dalian pr\u00e9sente les avantages d'un d\u00e9marrage rapide, d'une faible teneur en monoxyde de carbone, d'une puissance sp\u00e9cifique \u00e9lev\u00e9e, etc. Le syst\u00e8me de micro-m\u00e9lange de 10 000 tonnes utilis\u00e9 pour le m\u00e9lange liquide-liquide \u00e0 l'Institut a consid\u00e9rablement r\u00e9duit le temps de synth\u00e8se du dinitrochlorobenz\u00e8ne en utilisant la capacit\u00e9 de transfert de chaleur et de masse tr\u00e8s efficace du micror\u00e9acteur.<\/p>\n<p>&nbsp;<\/p>\n<p>Le Joint State Key Laboratory of Chemical Engineering de l'universit\u00e9 de Tsinghua a d\u00e9velopp\u00e9 avec succ\u00e8s un dispositif industriel pour la pr\u00e9paration de nanoparticules de carbonate de calcium monodispers\u00e9es avec un r\u00e9acteur \u00e0 microstructure dispers\u00e9e \u00e0 membrane de 10 000 tonnes, en s'appuyant sur la technologie de l'\u00e9mulsification \u00e0 membrane.<\/p>\n<p>&nbsp;<\/p>\n<p>Dans les syst\u00e8mes chimiques \u00e0 micro-\u00e9chelle, les forces visqueuses, les forces \u00e9lastiques, la tension superficielle, les forces \u00e9lectrostatiques, etc. ont toutes un impact significatif sur le syst\u00e8me \u00e0 ce moment-l\u00e0, et de nombreuses lois macroscopiques peuvent ne plus s'appliquer. Par cons\u00e9quent, les effets de surface et d'interface \u00e0 l'\u00e9chelle micro, la mesure, l'analyse et le contr\u00f4le des microprocessus et d'autres recherches fondamentales sont particuli\u00e8rement importants. La th\u00e9orie traditionnelle des \"trois passes et une inverse\" doit \u00eatre r\u00e9vis\u00e9e, compl\u00e9t\u00e9e et innov\u00e9e, et le statu quo de la production chimique changera \u00e9galement !<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Une liste de contr\u00f4le de sourcing pratique pour les ingr\u00e9dients enzymatiques, biotechnologiques et alimentaires<\/h2>\n<p>Dans les projets d'enzymes et de transformation alimentaire, le cadre d\u00e9cisionnel le plus utile est g\u00e9n\u00e9ralement l'adaptation de l'application plus la stabilit\u00e9 du processus : quel ingr\u00e9dient se comporte dans les conditions de pH, de temp\u00e9rature, de temps et de substrat pr\u00e9vues sans cr\u00e9er de probl\u00e8me de qualit\u00e9 ou de conformit\u00e9 en aval.<\/p>\n<ul>\n<li><strong>D\u00e9finir d'abord la cible de traitement\u00a0:<\/strong> saveur, hydrolyse, texture, fermentation, nettoyage et applications de bioproc\u00e9d\u00e9s n\u00e9cessitent souvent des profils d'activit\u00e9 tr\u00e8s diff\u00e9rents.<\/li>\n<li><strong>V\u00e9rifier la fen\u00eatre d'exploitation r\u00e9elle :<\/strong> Le pH, la temp\u00e9rature, le temps de s\u00e9jour et le type de substrat importent souvent plus qu'une affirmation produit phare.<\/li>\n<li><strong>V\u00e9rifier la coh\u00e9rence et l'impact en aval :<\/strong> Le dosage, l'influence sensorielle, la filtration et le comportement de conservation peuvent tous affecter la valeur commerciale finale.<\/li>\n<li><strong>Utiliser la validation par le pilote :<\/strong> Les petits tests de production r\u00e9v\u00e8lent g\u00e9n\u00e9ralement les diff\u00e9rences les plus utiles en mati\u00e8re d'activit\u00e9, d'efficacit\u00e9 et d'ad\u00e9quation des processus.<\/li>\n<\/ul>\n<h3>R\u00e9f\u00e9rences de produits recommand\u00e9es<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/lipase-cas-9001-62-1\/\">Longzyme Lipase<\/a>:<\/strong> Une r\u00e9f\u00e9rence de produit directe pour les discussions sur les aliments, le nettoyage ou les bioproc\u00e9d\u00e9s li\u00e9s aux lipases.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/beta-amylase-cas-9000-91-3\/\">Longzyme B\u00eata-Amylase<\/a>:<\/strong> Une r\u00e9f\u00e9rence pratique sur les enzymes lorsqu'une activit\u00e9 de conversion de l'amidon et de transformation alimentaire est examin\u00e9e.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/compound-glucoamylase-cas-9032-08-0\/\">Longzyme Glucoamylase Compos\u00e9e<\/a>:<\/strong> Une r\u00e9f\u00e9rence enzymatique utile lorsque les performances de saccharification ou de processus apparent\u00e9s sont importantes.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/yeast-extract-cas-8013-01-2\/\">Extrait de levure<\/a>:<\/strong> Un ingr\u00e9dient de r\u00e9f\u00e9rence pratique lorsque des applications de saveur, de fermentation ou de soutien nutritionnel sont impliqu\u00e9es.<\/li>\n<\/ul>\n<h3>FAQ pour les acheteurs et les formulateurs<\/h3>\n<p><strong>Pourquoi une enzyme \u00e0 haute activit\u00e9 n'est-elle pas automatiquement le meilleur choix commercial ?<\/strong><br \/>Parce que la meilleure enzyme est celle qui fonctionne de mani\u00e8re fiable dans les conditions r\u00e9elles du proc\u00e9d\u00e9 et donne le r\u00e9sultat en aval souhait\u00e9 sans cr\u00e9er de nouveaux probl\u00e8mes.<\/p>\n<p><strong>Les ingr\u00e9dients alimentaires et biotechnologiques doivent-ils \u00eatre s\u00e9lectionn\u00e9s uniquement \u00e0 partir des fiches techniques ?<\/strong><br \/>Il est g\u00e9n\u00e9ralement plus s\u00fbr d'associer la revue des sp\u00e9cifications \u00e0 un test pilote ou d'application, car les substrats r\u00e9els et les fen\u00eatres de processus peuvent modifier consid\u00e9rablement le r\u00e9sultat.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si vous avez besoin de Price, veuillez indiquer vos coordonn\u00e9es dans le formulaire ci-dessous. Nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/b><\/strong><\/h4>\n<table style=\"border-collapse: collapse; width: 326.27pt;\" border=\"0\" width=\"435\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 164.25pt;\" width=\"219\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/compound-glucoamylase-cas-9032-08-0\/\"><span style=\"color: #00ccff;\">Compos\u00e9 Glucoamylase<\/span><\/a><\/td>\n<td class=\"et2\" style=\"width: 162.00pt;\" width=\"216\">9032-08-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/pullulanase-cas-9075-68-7\/\"><span style=\"color: #00ccff;\">Pullulanase<\/span><\/a><\/td>\n<td class=\"et2\">9075-68-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/xylanase-cas-37278-89-0\/\"><span style=\"color: #00ccff;\">Xylanase<\/span><\/a><\/td>\n<td class=\"et2\">37278-89-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/cellulase-cas-9012-54-8\/\"><span style=\"color: #00ccff;\">Cellulase<\/span><\/a><\/td>\n<td class=\"et2\">9012-54-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/naringinase-cas-9068-31-9\/\"><span style=\"color: #00ccff;\">Naringinase<\/span><\/a><\/td>\n<td class=\"et2\">9068-31-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/beta-amylase-cas-9000-91-3\/\"><span style=\"color: #00ccff;\">\u03b2-Amylase<\/span><\/a><\/td>\n<td class=\"et2\">9000-91-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/glucose-oxidase-cas-9001-37-0\/\"><span style=\"color: #00ccff;\">Glucose oxydase<\/span><\/a><\/td>\n<td class=\"et2\">9001-37-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">alpha-amylase<\/td>\n<td class=\"et2\">9000-90-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/longzyme-acid-pectinase-cas-9032-75-1\/\"><span style=\"color: #00ccff;\">Pectinase<\/span><\/a><\/td>\n<td class=\"et2\">9032-75-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Peroxydase<\/td>\n<td class=\"et2\">9003-99-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/lipase-cas-9001-62-1\/\"><span style=\"color: #00ccff;\">Lipase<\/span><\/a><\/td>\n<td class=\"et2\">9001-62-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/catalase-cas-9001-05-2\/\"><span style=\"color: #00ccff;\">Catalase<\/span><\/a><\/td>\n<td class=\"et4\">9001-05-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/tannase-cas-9025-71-2\/\"><span style=\"color: #00ccff;\">TANNASE<\/span><\/a><\/td>\n<td class=\"et2\">9025-71-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/elastase-cas-39445-21-1\/\"><span style=\"color: #00ccff;\">Elastase<\/span><\/a><\/td>\n<td class=\"et2\">39445-21-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/urease-cas-9002-13-5\/\"><span style=\"color: #00ccff;\">Ur\u00e9ase<\/span><\/a><\/td>\n<td class=\"et2\">9002-13-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/dextranase-cas-9025-70-1\/\"><span style=\"color: #00ccff;\">DEXTRANASE<\/span><\/a><\/td>\n<td class=\"et2\">9025-70-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.5pt; text-align: left;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/l-lactic-dehydrogenase-cas-9001-60-9\/\"><span style=\"color: #00ccff;\">L-Lactique d\u00e9shydrog\u00e9nase<\/span><\/a><\/td>\n<td class=\"et2\">9001-60-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/dehydrogenase-malate-cas-9001-64-3\/\"><span style=\"color: #00ccff;\">D\u00e9shydrog\u00e9nase malate<\/span><\/a><\/td>\n<td class=\"et2\">9001-64-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/cholesterol-oxidase-cas-9028-76-6\/\"><span style=\"color: #00ccff;\">Cholest\u00e9rol oxydase<\/span><\/a><\/td>\n<td class=\"et2\">9028-76-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>At present, the chemical production under the mode of \u201cbig chemical\u201d has many problems such as huge equipment, high energy consumption, heavy pollution, waste of resources, low efficiency, etc. How<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-7276","post","type-post","status-publish","format-standard","hentry","category-enzyme-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Microchemical technology in the context of a large chemical production model - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"At present, the chemical production under the mode of \u201cbig chemical\u201d has many problems such as huge equipment, high energy consumption, heavy pollution...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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