{"id":3313,"date":"2020-10-06T06:26:06","date_gmt":"2020-10-06T06:26:06","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=3313"},"modified":"2026-04-28T10:41:47","modified_gmt":"2026-04-28T10:41:47","slug":"chlorine-dioxide-used-in-cotton-fabrics","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/chlorine-dioxide-used-in-cotton-fabrics\/","title":{"rendered":"\u00c9tude sur le processus de blanchiment du dioxyde de chlore solide \u00e0 lib\u00e9ration lente utilis\u00e9 dans les tissus de coton"},"content":{"rendered":"<h4 class=\"has-medium-font-size wp-block-heading\">Le tissu gris utilis\u00e9 dans la doublure de collage en coton pur d'\u00e9paisseur moyenne pr\u00e9sente les caract\u00e9ristiques suivantes : compacit\u00e9 et \u00e9paisseur, faible qualit\u00e9 de coton et beaucoup d'impuret\u00e9s. Afin d'am\u00e9liorer ses performances et de r\u00e9pondre aux exigences du traitement ult\u00e9rieur, le tissu gris doit \u00eatre blanchi. Le processus traditionnel de blanchiment de la marmite en tissu doit \u00eatre r\u00e9alis\u00e9 dans des conditions d'alcali \u00e9lev\u00e9, d'oxydant \u00e9lev\u00e9 et de temp\u00e9rature \u00e9lev\u00e9e. Bien que l'effet de traitement soit bon, le processus prend du temps, consomme de l'\u00e9nergie et g\u00e9n\u00e8re beaucoup d'eaux us\u00e9es. Cependant, le peroxyde d'hydrog\u00e8ne et l'hypochlorite de sodium sont utilis\u00e9s comme oxydants pour le blanchiment. L'effet n'est pas id\u00e9al. <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlorine-dioxide-tablets-cas-10049-04-4\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><span class=\"has-inline-color has-vivid-cyan-blue-color\">Dioxyde de chlore<\/span><\/strong><\/a>L'agent de blanchiment A1 de quatri\u00e8me g\u00e9n\u00e9ration, respectueux de l'environnement, peut \u00e9liminer les impuret\u00e9s et les coques de graines de coton des fibres de coton sans d\u00e9grader la cellulose, n'affecte pas la solidit\u00e9 du tissu blanchi et peut r\u00e9duire consid\u00e9rablement la quantit\u00e9 d'halog\u00e9nures organiques dans les eaux us\u00e9es. En cons\u00e9quence, la pollution de l'environnement est moindre et l'objectif d'une production plus propre peut \u00eatre atteint. Cependant, la solution de dioxyde de chlore ordinaire pr\u00e9sente des probl\u00e8mes tels qu'une p\u00e9riode de lib\u00e9ration courte, un taux de lib\u00e9ration rapide et un processus de stockage et de transport instable.<\/h4>\n\n<!-- lc-qa-start -->\n<p><strong>R\u00e9ponse rapide :<\/strong> For sewage, biochemical, and wastewater-treatment topics, operators usually move fastest when they review the process stage, water quality data, and control objective together rather than chasing one symptom alone.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/05\/image.png\" alt=\"\" class=\"wp-image-4620\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" style=\"font-size:21px\">Le dioxyde de chlore solide \u00e0 lib\u00e9ration lente (agent de d\u00e9s\u00e9mission) utilise une structure de r\u00e9seau poreux de polym\u00e8re comme support, combin\u00e9 avec du chlorite de sodium et de l'acide activ\u00e9, et r\u00e9agit lentement \u00e0 l'int\u00e9rieur du support pour former du ClO2 pendant le blanchiment. Les avantages d'une bonne stabilit\u00e9 et d'une vitesse de lib\u00e9ration contr\u00f4lable permettent de r\u00e9pondre aux exigences de faible consommation d'\u00e9nergie, de faible pollution et de bon effet de blanchiment dans le processus de blanchiment. Certains chercheurs ont \u00e9tudi\u00e9 et discut\u00e9 les effets de la concentration de l'agent de blanchiment, du pH, de la dur\u00e9e du blanchiment et de la concentration de l'agent de surface sur l'effet de blanchiment.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/05\/enter.jpg\" alt=\"\" class=\"wp-image-4619\"\/><\/figure>\n\n\n\n<h4 class=\"has-medium-font-size wp-block-heading\">La premi\u00e8re est l'influence de la concentration de l'agent d'\u00e9barbage sur l'effet de blanchiment. Comme le montre la figure ci-dessous, la blancheur du tissu de coton augmente avec la quantit\u00e9 d'agent d'\u00e9barbage. Lorsque la concentration est sup\u00e9rieure \u00e0 25g\/L, la blancheur du tissu de coton reste pratiquement inchang\u00e9e. Cela s'explique par le fait que la r\u00e9action entre le dioxyde de chlore et les impuret\u00e9s est plus susceptible de se produire \u00e0 mesure que la concentration de l'agent d'\u00e9barbage augmente. Lorsque la concentration atteint une certaine valeur, toutes les impuret\u00e9s color\u00e9es qui peuvent r\u00e9agir avec lui sont \u00e9limin\u00e9es, de sorte que la blancheur n'augmente plus.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"781\" height=\"543\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1.png\" alt=\"\" class=\"wp-image-3314\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1.png 781w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-300x209.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-768x534.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/1-600x417.png 600w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><\/figure>\n\n\n\n<h4 class=\"has-medium-font-size wp-block-heading\">L'influence de la valeur du pH de la solution de blanchiment sur l'effet de blanchiment est illustr\u00e9e dans la figure. On peut constater que la blancheur des tissus de coton diminue avec l'augmentation de la valeur du pH de la solution de blanchiment, et que l'effet de blanchiment diminue fortement lorsque la valeur du pH est sup\u00e9rieure \u00e0 6. Cela s'explique par le fait qu'\u00e0 mesure que le pH augmente, la capacit\u00e9 d'oxydation du dioxyde de chlore diminue progressivement et la capacit\u00e9 \u00e0 d\u00e9grader la lignine, les pigments et d'autres impuret\u00e9s dans la fibre diminue ; en m\u00eame temps, lorsque l'agent de blanchiment est alcalin, une partie du dioxyde de chlore r\u00e9agit avec OH- pour former du chlorate sans effet de blanchiment, ce qui affaiblit l'effet de blanchiment.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"796\" height=\"559\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2.png\" alt=\"\" class=\"wp-image-3315\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2.png 796w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-300x211.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-768x539.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/2-600x421.png 600w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">L'effet du temps de blanchiment sur l'effet de blanchiment est illustr\u00e9 dans la figure. Comme il faut un certain temps pour que le dioxyde de chlore r\u00e9agisse avec les groupes color\u00e9s, la courbe de r\u00e9action est similaire \u00e0 une r\u00e9action chimique g\u00e9n\u00e9rale. On peut voir que la r\u00e9action est presque compl\u00e8te apr\u00e8s 10 heures et que la blancheur reste pratiquement inchang\u00e9e.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"790\" height=\"538\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3.png\" alt=\"\" class=\"wp-image-3316\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3.png 790w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-300x204.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-768x523.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/3-600x409.png 600w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">L'utilisation rationnelle des agents de surface dans le processus de blanchiment permet d'am\u00e9liorer la capacit\u00e9 d'infiltration de la solution de blanchiment \u00e0 la surface des tissus de coton, de favoriser la p\u00e9n\u00e9tration plus rapide de l'agent de blanchiment dans les tissus de coton, de s\u00e9parer les impuret\u00e9s des fibres de coton et d'am\u00e9liorer l'effet de blanchiment. Comme le montre la figure ci-dessous, lorsque la concentration de l'agent de surface est comprise entre 1 et 5 g\/L, l'effet de blanchiment augmente consid\u00e9rablement au fur et \u00e0 mesure que la concentration de l'agent de surface augmente. Lorsque le dosage de l'agent de surface est sup\u00e9rieur \u00e0 5 g\/l, la blancheur est pratiquement constante. Par cons\u00e9quent, une concentration d'agent tensioactif de 5 g\/L permet d'obtenir de bons r\u00e9sultats en utilisation r\u00e9elle.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"780\" height=\"541\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4.png\" alt=\"\" class=\"wp-image-3317\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4.png 780w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-300x208.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-768x533.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/10\/4-600x416.png 600w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Des recherches approfondies montrent que les tissus de coton d'\u00e9paisseur moyenne utilisent du dioxyde de chlore solide \u00e0 lib\u00e9ration lente comme oxydant. L'effet de blanchiment dans des conditions normales de temp\u00e9rature et de pression peut r\u00e9pondre aux exigences de la norme du produit. La blancheur est \u00e9lev\u00e9e et l'effet est stable. Il n'y a pas de ph\u00e9nom\u00e8ne de jaunissement. Il peut \u00eatre promu. Dans le blanchiment des toiles lourdes, il remplace le processus traditionnel de pr\u00e9traitement en trois \u00e9tapes : d\u00e9sencollage, d\u00e9capage et blanchiment. Il s'agit d'un agent de blanchiment aux perspectives d'application \u00e9tendues.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/05\/image-1.png\" alt=\"\" class=\"wp-image-4621\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Contactez-nous d\u00e8s maintenant !<\/strong><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Nous sommes sp\u00e9cialis\u00e9s dans la production et la fourniture de comprim\u00e9s de dioxyde de chlore cas 10049-04-4, Si vous avez besoin de COA, MSDS, TDS pour <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlorine-dioxide-tablets-cas-10049-04-4\/\" target=\"_blank\" rel=\"noreferrer noopener\">Comprim\u00e9s de dioxyde de chlore<\/a>Nous vous contacterons dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel <strong><a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/strong> pendant 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.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Cet article a \u00e9t\u00e9 r\u00e9dig\u00e9 par Longchang Chemical R&amp;D Department. Si vous souhaitez le copier ou le r\u00e9imprimer, veuillez en indiquer la source.<\/h4>\n\n\n<!-- lc-commercial-start -->\n<h2>How technical buyers and operators usually evaluate wastewater-treatment issues<\/h2>\n<p>Most wastewater-treatment problems are system problems. Teams usually get a better result when they define the process stage and water-quality target first, then review biological, chemical, and operational factors together before making a plant-scale correction.<\/p>\n<ul>\n<li><strong>Start from the process stage:<\/strong> pretreatment, biological treatment, sludge handling, and polishing steps can point to very different root causes.<\/li>\n<li><strong>Check the core water-quality data together:<\/strong> pH, COD, nitrogen, salinity, sludge condition, and dissolved oxygen often need to be read as one picture.<\/li>\n<li><strong>Review compliance and operability at the same time:<\/strong> the quickest local fix can still be the wrong commercial move if it destabilizes another part of the plant.<\/li>\n<li><strong>Use pilot or staged validation where possible:<\/strong> wastewater systems often respond differently at scale than they do in simplified bench assumptions.<\/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\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> Un r\u00e9f\u00e9rence anti-mousse \u00e9quilibr\u00e9 pour les rev\u00eatements \u00e0 base d'eau et de nombreux \u00e9crans de contr\u00f4le de mousse g\u00e9n\u00e9raux.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Utile lorsque la compatibilit\u00e9 de l'encre d'impression et de l'encre UV est importante dans le tamis anti-mousse.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> Une option de d\u00e9sa\u00e9ration de processus plus puissante lorsque la mousse persistante survit \u00e0 des conditions plus difficiles.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> Un agent mouillant de r\u00e9f\u00e9rence puissant pour les encres, les rev\u00eatements et le mouillage des substrats difficiles.<\/li>\n<\/ul>\n<h3>FAQ pour les acheteurs et les formulateurs<\/h3>\n<p><strong>Why do many wastewater problems resist one-step fixes?<\/strong><br \/>Because the visible symptom is often created by several interacting process variables rather than one isolated cause.<\/p>\n<p><strong>Should operational changes be evaluated only by one output indicator?<\/strong><br \/>Usually no. A stable treatment decision should consider process balance, compliance, sludge behavior, and the effect on downstream steps as well.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>The grey cloth used in the medium-thickness pure cotton bonding lining has the characteristics of compactness and thickness, low cotton grade, and a lot of impurities. In order to improve<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3313","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study on the bleaching process of slow-release solid chlorine dioxide used in cotton fabrics - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"China Chlorine dioxide tablets manufacturer \uff06 supplier - Longchang chemical produce and supply Chlorine dioxide tablets, with the best price, and we can provide REACH and FDA.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/fr\/chlorine-dioxide-used-in-cotton-fabrics\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the bleaching process of slow-release solid chlorine dioxide used in cotton fabrics - 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