{"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":"2026-10-23T07:41:48","modified_gmt":"2026-10-23T07:41:48","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 3 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 pour 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 bonnes pratiques a eu un impact important sur les sites o\u00f9 elles ont \u00e9t\u00e9 appliqu\u00e9es. Toutes, malgr\u00e9 des probl\u00e8mes diff\u00e9rents et des 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;int\u00e9grer 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 g\u00e9n\u00e9rale de mati\u00e8res dangereuses.    <\/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 v28.8 (Yoast SEO v28.8) - 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=\"De nombreuses autres entreprises prennent des mesures pour \u00e9viter compl\u00e8tement ou prot\u00e9ger les travailleurs de 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