{"id":44303,"date":"2017-12-04T20:09:08","date_gmt":"2017-12-04T20:09:08","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/good-practice\/utiliza-uma-solucao-aquosa-em-vez-de-uma-substancia-solida-pura\/"},"modified":"2025-09-04T12:38:47","modified_gmt":"2025-09-04T12:38:47","slug":"utiliza-uma-solucao-aquosa-em-vez-de-uma-substancia-solida-pura","status":"publish","type":"good-practice","link":"https:\/\/stopcarcinogensatwork.eu\/pt-pt\/good-practice\/utiliza-uma-solucao-aquosa-em-vez-de-uma-substancia-solida-pura\/","title":{"rendered":"Utiliza uma solu\u00e7\u00e3o aquosa em vez de uma subst\u00e2ncia s\u00f3lida pura"},"content":{"rendered":"<p>O dicromato de s\u00f3dio, uma subst\u00e2ncia cancer\u00edgena, \u00e9 utilizado no fabrico de p\u00e9rolas de copol\u00edmero de estireno-divinilbenzeno, que s\u00e3o produtos interm\u00e9dios na produ\u00e7\u00e3o de resinas de permuta i\u00f3nica na f\u00e1brica Fombio Dowex. O dicromato de s\u00f3dio inicialmente fornecido e manuseado como subst\u00e2ncia pura s\u00f3lida foi substitu\u00eddo por uma solu\u00e7\u00e3o aquosa recebida a granel. Esta solu\u00e7\u00e3o \u00e9 armazenada num tanque de armazenamento e s\u00f3 \u00e9 manuseada em circuito fechado com a ajuda de um sistema autom\u00e1tico para minimizar a abertura do ciclo. Desta forma, todas as opera\u00e7\u00f5es ocorrem em sistema fechado desde o armazenamento at\u00e9 \u00e0 rea\u00e7\u00e3o, minimizando a abertura do ciclo e a exposi\u00e7\u00e3o dos trabalhadores. A mat\u00e9ria-prima \u00e9 descarregada do cami\u00e3o cisterna apenas uma vez em cada 3 anos, sob um procedimento de descarga detalhado e controlado e as actividades de manuten\u00e7\u00e3o s\u00e3o realizadas sob uma disciplina de condi\u00e7\u00f5es rigorosamente controladas.    <\/p>\n<h3><strong>Mais solu\u00e7\u00f5es do Grupo Dow It\u00e1lia<\/strong><\/h3>\n<p>O Grupo Dow em It\u00e1lia fabrica uma vasta gama de produtos qu\u00edmicos. Algumas produ\u00e7\u00f5es requerem a utiliza\u00e7\u00e3o de subst\u00e2ncias agentes cancer\u00edgenas. A aten\u00e7\u00e3o elevada e constante da empresa em rela\u00e7\u00e3o \u00e0 sa\u00fade dos seus trabalhadores e ao ambiente tem sido o gatilho para melhorar os processos e os procedimentos operacionais quando estas subst\u00e2ncias est\u00e3o envolvidas.  <\/p>\n<p>Os tr\u00eas casos seguintes s\u00e3o exemplos de boas pr\u00e1ticas para melhorar os processos (primeiro caso) ou o manuseamento de mat\u00e9rias-primas agentes cancer\u00edgenas (segundo e terceiro casos), a fim de reduzir a exposi\u00e7\u00e3o potencial dos trabalhadores:<\/p>\n<ul>\n<li>CASO 1: <a href=\"https:\/\/stopcarcinogensatwork.eu\/good-practice\/use-12-dichloroethane-edc-strictly-controlled-conditions\/\">Utiliza\u00e7\u00e3o de 1,2 dicloroetano (EDC) em condi\u00e7\u00f5es estritamente controladas<\/a><\/li>\n<li>CASO 2: Utiliza\u00e7\u00e3o de uma solu\u00e7\u00e3o aquosa em vez de uma subst\u00e2ncia pura s\u00f3lida (caso atual)<\/li>\n<li>CASO 3: <a href=\"https:\/\/stopcarcinogensatwork.eu\/good-practice\/dry-disconnect-couplers-used-unloading-hazardous-material-road-bulks-minibulks-ibc-containers\/\">Acopladores de desconex\u00e3o a seco utilizados para a descarga de materiais perigosos de gran\u00e9is rodovi\u00e1rios e minibulks \/ contentores IBC<\/a><\/li>\n<\/ul>\n<h3><strong>Resultados<\/strong><\/h3>\n<p>A plena implementa\u00e7\u00e3o destas boas pr\u00e1ticas teve um impacto importante nos locais onde foram aplicadas. Todos eles, apesar de os problemas serem diferentes e as solu\u00e7\u00f5es, obviamente, diferentes, tiveram um resultado comum: a redu\u00e7\u00e3o efectiva da exposi\u00e7\u00e3o dos trabalhadores a subst\u00e2ncias cancer\u00edgenas. O primeiro caso \u00e9 um exemplo de uma boa pr\u00e1tica complexa que tamb\u00e9m melhora o processo de produ\u00e7\u00e3o e a utiliza\u00e7\u00e3o de mat\u00e9rias-primas. A segunda boa pr\u00e1tica permitiu eliminar o manuseamento de uma subst\u00e2ncia s\u00f3lida cancer\u00edgena e insere o trabalho num ciclo fechado. O terceiro caso \u00e9 uma boa pr\u00e1tica interessante para reduzir a exposi\u00e7\u00e3o e que pode ser facilmente adoptada no manuseamento de materiais perigosos em geral.    <\/p>\n","protected":false},"template":"","sector":[2104],"carcinogens":[1619],"stop":[1824,2029],"country":[2381],"class_list":["post-44303","good-practice","type-good-practice","status-publish","hentry","sector-fabricacao-de-produtos-quimicos-e-de-fibras-sinteticas","carcinogens-compostos-de-cromio-vi","stop-organizacao","stop-tecnica","country-italia"],"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>Utiliza uma solu\u00e7\u00e3o aquosa em vez de uma subst\u00e2ncia s\u00f3lida pura<\/title>\n<meta name=\"description\" content=\"Many other companies are taking measures to completely avoid or protect workers from exposure to carcinogenic substances.\" \/>\n<meta name=\"robots\" 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