{"id":44304,"date":"2017-12-04T20:09:08","date_gmt":"2017-12-04T20:09:08","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/good-practice\/utilisation-dune-solution-aqueuse-au-lieu-dune-substance-pure-solide\/"},"modified":"2025-09-04T11:20:54","modified_gmt":"2025-09-04T11:20:54","slug":"utilisation-dune-solution-aqueuse-au-lieu-dune-substance-pure-solide","status":"publish","type":"good-practice","link":"https:\/\/stopcarcinogensatwork.eu\/fr\/good-practice\/utilisation-dune-solution-aqueuse-au-lieu-dune-substance-pure-solide\/","title":{"rendered":"Utilisation d&rsquo;une solution aqueuse au lieu d&rsquo;une substance pure solide"},"content":{"rendered":"<p>Le bichromate de sodium, une substance canc\u00e9rog\u00e8ne, est utilis\u00e9 dans la fabrication de billes de copolym\u00e8re styr\u00e8ne-divinylbenz\u00e8ne, qui sont des interm\u00e9diaires dans la production de r\u00e9sines \u00e9changeuses d&rsquo;ions \u00e0 l&rsquo;usine de Fombio Dowex. Le dichromate de sodium initialement fourni et manipul\u00e9 sous forme de substance pure solide a \u00e9t\u00e9 remplac\u00e9 par une solution aqueuse re\u00e7ue en vrac. Cette solution est stock\u00e9e dans un r\u00e9servoir de stockage et n&rsquo;est manipul\u00e9e qu&rsquo;en circuit ferm\u00e9 \u00e0 l&rsquo;aide d&rsquo;un syst\u00e8me automatique afin de minimiser l&rsquo;ouverture du cycle. De cette mani\u00e8re, toutes les op\u00e9rations se d\u00e9roulent en circuit ferm\u00e9, du stockage \u00e0 la r\u00e9action, ce qui minimise l&rsquo;ouverture du cycle et l&rsquo;exposition des travailleurs. La mati\u00e8re premi\u00e8re n&rsquo;est d\u00e9charg\u00e9e du camion-citerne qu&rsquo;une fois tous les trois ans, selon une proc\u00e9dure de d\u00e9chargement d\u00e9taill\u00e9e et contr\u00f4l\u00e9e, et les activit\u00e9s de maintenance sont effectu\u00e9es dans des conditions strictement contr\u00f4l\u00e9es.    <\/p>\n<h3><strong>Plus de solutions de Dow Group Italie<\/strong><\/h3>\n<p>Le groupe Dow en Italie fabrique une large gamme de produits chimiques. Certaines productions n\u00e9cessitent l&rsquo;utilisation de substances canc\u00e9rog\u00e8nes. L&rsquo;attention soutenue et constante de l&rsquo;entreprise \u00e0 l&rsquo;\u00e9gard de la sant\u00e9 de ses travailleurs et de l&rsquo;environnement a \u00e9t\u00e9 l&rsquo;\u00e9l\u00e9ment d\u00e9clencheur de l&rsquo;am\u00e9lioration des proc\u00e9d\u00e9s et des proc\u00e9dures d&rsquo;exploitation lorsque ces substances sont impliqu\u00e9es.  <\/p>\n<p>Les trois cas suivants sont des exemples de bonnes pratiques visant \u00e0 am\u00e9liorer les processus (premier cas) ou la manipulation de mati\u00e8res premi\u00e8res canc\u00e9rog\u00e8nes (deuxi\u00e8me et troisi\u00e8me cas) afin de r\u00e9duire l&rsquo;exposition potentielle des travailleurs :<\/p>\n<ul>\n<li>CAS 1 : <a href=\"https:\/\/stopcarcinogensatwork.eu\/good-practice\/use-12-dichloroethane-edc-strictly-controlled-conditions\/\">Utilisation de 1,2 dichloro\u00e9thane (EDC) dans des conditions strictement contr\u00f4l\u00e9es<\/a><\/li>\n<li>CAS 2 : Utilisation d&rsquo;une solution aqueuse au lieu d&rsquo;une substance pure solide (cas actuel)<\/li>\n<li>CAS 3 : <a href=\"https:\/\/stopcarcinogensatwork.eu\/good-practice\/dry-disconnect-couplers-used-unloading-hazardous-material-road-bulks-minibulks-ibc-containers\/\">Coupleurs \u00e0 d\u00e9connexion \u00e0 sec utilis\u00e9s pour le d\u00e9chargement de mati\u00e8res dangereuses \u00e0 partir de vracs routiers et de minibulks\/conteneurs IBC<\/a><\/li>\n<\/ul>\n<h3><strong>R\u00e9sultats<\/strong><\/h3>\n<p>La mise en \u0153uvre compl\u00e8te de ces meilleures pratiques a eu un impact important sur les sites o\u00f9 elles ont \u00e9t\u00e9 appliqu\u00e9es. Tous ces sites, malgr\u00e9 le fait que les probl\u00e8mes \u00e9taient diff\u00e9rents et les solutions, \u00e9videmment, diff\u00e9rentes, ont eu un r\u00e9sultat commun : la r\u00e9duction effective de l&rsquo;exposition des travailleurs aux substances canc\u00e9rog\u00e8nes. Le premier cas est un exemple de bonne pratique complexe qui am\u00e9liore \u00e9galement le processus de production et l&rsquo;utilisation des mati\u00e8res premi\u00e8res. La deuxi\u00e8me bonne pratique a permis d&rsquo;\u00e9liminer la manipulation d&rsquo;une substance canc\u00e9rog\u00e8ne solide et d&rsquo;ins\u00e9rer le travail dans un cycle ferm\u00e9. Le troisi\u00e8me cas est une bonne pratique int\u00e9ressante pour r\u00e9duire l&rsquo;exposition et qui peut \u00eatre facilement adopt\u00e9e dans la manipulation des mati\u00e8res dangereuses en g\u00e9n\u00e9ral.    <\/p>\n","protected":false},"template":"","sector":[2160],"carcinogens":[1622],"stop":[1825,2057],"country":[2382],"class_list":["post-44304","good-practice","type-good-practice","status-publish","hentry","sector-fabrication-de-produits-chimiques","carcinogens-composes-du-chrome-vi","stop-organisationnel","stop-technique","country-italie-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Utilisation d&#039;une solution aqueuse au lieu d&#039;une substance pure solide<\/title>\n<meta name=\"description\" content=\"Many other companies are taking measures to completely avoid or protect workers from exposure to carcinogenic substances.\" 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