{"id":4812,"date":"2021-11-02T14:01:52","date_gmt":"2021-11-02T14:01:52","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4812"},"modified":"2026-04-28T10:41:51","modified_gmt":"2026-04-28T10:41:51","slug":"how-should-the-waste-liquid-of-the-laboratory-be-handled","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/how-should-the-waste-liquid-of-the-laboratory-be-handled\/","title":{"rendered":"Como deve ser tratado o l\u00edquido residual do laborat\u00f3rio?"},"content":{"rendered":"<!-- lc-qa-start -->\n<p><strong>Resposta r\u00e1pida:<\/strong> Surface-control additives are usually selected by defect type, compatibility, and dosage window. The strongest commercial choice is the one that fixes the real problem without creating a new one.<\/p>\n<!-- lc-qa-end -->\n\n\n<p>1) Defini\u00e7\u00e3o de l\u00edquido residual:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Medicamentos com prazo de validade vencido, solu\u00e7\u00f5es de alta concentra\u00e7\u00e3o, solu\u00e7\u00f5es padr\u00e3o e solu\u00e7\u00f5es configuradas incorretamente que foram descartadas ap\u00f3s o experimento.<\/li><li>Res\u00edduos de l\u00edquidos qu\u00edmicos removidos durante o uso do equipamento de teste.<\/li><\/ol>\n\n\n\n<p>2) Tratamento de res\u00edduos l\u00edquidos de laborat\u00f3rio:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Objetivo do tratamento: Evitar a dissemina\u00e7\u00e3o de contamina\u00e7\u00e3o qu\u00edmica no laborat\u00f3rio.<\/li><li>Escopo de tratamento aplic\u00e1vel: res\u00edduos e res\u00edduos l\u00edquidos gerados no processo de produ\u00e7\u00e3o e inspe\u00e7\u00e3o.<\/li><li>Responsabilidade e supervis\u00e3o do processamento: os operadores do laborat\u00f3rio implementam esse sistema de gerenciamento, e o supervisor respons\u00e1vel \u00e9 respons\u00e1vel por supervisionar a implementa\u00e7\u00e3o desse sistema.<\/li><\/ol>\n\n\n\n<p>3) Princ\u00edpios gerais para o tratamento de res\u00edduos l\u00edquidos no laborat\u00f3rio:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Quando for comprovado que a concentra\u00e7\u00e3o do l\u00edquido residual \u00e9 muito pequena e ambientalmente segura, ele poder\u00e1 ser descartado no esgoto.<\/li><li>Se a concentra\u00e7\u00e3o n\u00e3o puder ser reduzida, concentre o l\u00edquido residual o m\u00e1ximo poss\u00edvel para diminuir seu volume e armazene-o em um local seguro para isolamento e neutraliza\u00e7\u00e3o de \u00e1cidos e \u00e1lcalis.<\/li><li>Use m\u00e9todos como destila\u00e7\u00e3o, filtragem e adsor\u00e7\u00e3o para separar materiais perigosos e descarte apenas as partes seguras.<\/li><li>Independentemente do l\u00edquido ou s\u00f3lido, s\u00e3o queimados aqueles que podem ser queimados com seguran\u00e7a sem gerar gases nocivos, mas a quantidade n\u00e3o deve ser muito grande. N\u00e3o deixe gases ou res\u00edduos nocivos durante a queima. Se n\u00e3o puder ser queimado, escolha um local seguro para o aterro. Nua no ch\u00e3o.<\/li><li>Em geral, os gases t\u00f3xicos podem ser descarregados por meio de um exaustor ou de tubos de ventila\u00e7\u00e3o, dilu\u00eddos com ar, e uma grande quantidade de gases t\u00f3xicos deve ser totalmente queimada com oxig\u00eanio ou adsorvida antes de poder ser descarregada.<\/li><li>O l\u00edquido residual deve ser armazenado em um recipiente herm\u00e9tico e armazenado em um recipiente e local de armazenamento adequados com base em suas caracter\u00edsticas qu\u00edmicas. Os res\u00edduos n\u00e3o devem ser misturados e armazenados. O tipo de res\u00edduo e o tempo de armazenamento devem ser marcados e devem ser tratados regularmente.<\/li><\/ol>\n\n\n\n<p>Quatro) Classifica\u00e7\u00e3o e tratamento de res\u00edduos l\u00edquidos:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Res\u00edduos qu\u00edmicos<\/li><\/ol>\n\n\n\n<p>O l\u00edquido residual deve ser armazenado em um recipiente e local de armazenamento adequados, de acordo com suas caracter\u00edsticas qu\u00edmicas. Ele deve ser armazenado em um recipiente herm\u00e9tico e n\u00e3o pode ser misturado e armazenado. O r\u00f3tulo do cont\u00eainer deve indicar o tipo de res\u00edduo e o tempo de armazenamento, e ele deve ser tratado regularmente. Em geral, o l\u00edquido residual pode ser descartado ap\u00f3s a neutraliza\u00e7\u00e3o \u00e1cido-base, a precipita\u00e7\u00e3o por coagula\u00e7\u00e3o e o tratamento de oxida\u00e7\u00e3o com hipoclorito de s\u00f3dio. O l\u00edquido residual de solvente org\u00e2nico deve ser reciclado de acordo com sua natureza.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>Res\u00edduos biol\u00f3gicos<\/li><\/ol>\n\n\n\n<p>Os res\u00edduos biol\u00f3gicos l\u00edquidos devem ser selecionados de acordo com as caracter\u00edsticas de sua fonte patog\u00eanica e caracter\u00edsticas f\u00edsicas em recipientes e locais adequados, e pessoal especial deve colet\u00e1-los separadamente para desinfec\u00e7\u00e3o e tratamento de queima. A Nissan e a Nissan s\u00e3o limpas. Os res\u00edduos l\u00edquidos geralmente podem ser clorados e desinfetados com a adi\u00e7\u00e3o de p\u00f3 branqueador.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>L\u00edquido residual abrangente<\/li><\/ol>\n\n\n\n<p>Ajuste o pH do l\u00edquido residual para 3-4 com \u00e1cido e \u00e1lcali, adicione p\u00f3 de ferro, mexa por 30 minutos e, em seguida, ajuste o pH para cerca de 9 com agente de tratamento alcalino, continue a mexer por 10 minutos, adicione sulfato de alum\u00ednio ou coagulante b\u00e1sico de cloreto de alum\u00ednio e misture a sedimenta\u00e7\u00e3o do condensado, o l\u00edquido sobrenadante pode ser descarregado diretamente e depositado no res\u00edduo para descarte.<\/p>\n\n\n\n<p>5) Tratamento espec\u00edfico de res\u00edduos l\u00edquidos de laborat\u00f3rio:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Para os res\u00edduos \u00e1cidos, filtre-os com malha pl\u00e1stica resistente a \u00e1cidos ou fibra de vidro e, em seguida, adicione \u00e1lcali para neutraliz\u00e1-los, ajuste o valor de PH para 6-8 e descarte-os. Uma pequena quantidade de res\u00edduos \u00e9 enterrada no solo.<\/li><li>Para o l\u00edquido residual altamente t\u00f3xico, devem ser tomadas as medidas correspondentes para eliminar os efeitos t\u00f3xicos antes do processamento.<\/li><li>A \u00e1gua de condensa\u00e7\u00e3o usada em grandes quantidades no laborat\u00f3rio pode ser descarregada diretamente sem polui\u00e7\u00e3o.<\/li><li>A \u00e1gua residual do detergente ap\u00f3s a lavagem n\u00e3o \u00e9 polu\u00edda e pode ser descartada no esgoto.<\/li><li>Ap\u00f3s o uso, as solu\u00e7\u00f5es \u00e1cidas, alcalinas e salinas s\u00e3o despejadas nos tanques de esgoto de sal \u00e1cido e alcalino e, ap\u00f3s a neutraliza\u00e7\u00e3o, s\u00e3o descarregadas no esgoto.<\/li><li>O solvente org\u00e2nico \u00e9 recuperado no barril de sujeira org\u00e2nica e \u00e9 recuperado por destila\u00e7\u00e3o, retifica\u00e7\u00e3o e outros m\u00e9todos de separa\u00e7\u00e3o.<\/li><li>Tratamento centralizado de \u00edons de metais pesados (incluindo) m\u00e9todo de precipita\u00e7\u00e3o.<\/li><\/ol>\n\n\n\n<p>6) Quest\u00f5es que precisam de aten\u00e7\u00e3o no tratamento de res\u00edduos l\u00edquidos:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Como a composi\u00e7\u00e3o do l\u00edquido residual \u00e9 diferente, pode haver perigos como g\u00e1s t\u00f3xico, gera\u00e7\u00e3o de calor ou explos\u00e3o durante o processo de tratamento. Portanto, a natureza do l\u00edquido residual deve ser totalmente compreendida antes do tratamento e, em seguida, uma pequena quantidade dos medicamentos adicionados necess\u00e1rios deve ser adicionada separadamente. Voc\u00ea deve continuar a operar enquanto observa.<\/li><li>\u00c9 melhor tratar o l\u00edquido residual separadamente. Se ele for armazenado e tratado em conjunto, embora o m\u00e9todo de tratamento seja diferente, em princ\u00edpio, os v\u00e1rios compostos que podem ser tratados de forma unificada devem ser coletados e tratados.<\/li><li>Escolha recipientes que n\u00e3o estejam danificados e que n\u00e3o sejam corro\u00eddos pelo l\u00edquido residual para a coleta. Os componentes e o conte\u00fado do l\u00edquido residual coletado devem ser claramente rotulados e armazenados em um local seguro. Deve-se dar mais aten\u00e7\u00e3o principalmente aos l\u00edquidos residuais t\u00f3xicos.<\/li><li>O l\u00edquido residual que cont\u00e9m subst\u00e2ncias explosivas, como per\u00f3xidos e nitroglicerina, deve ser manuseado com cuidado e descartado o mais r\u00e1pido poss\u00edvel, e n\u00e3o deve ser deixado sem tratamento.<\/li><li>Os res\u00edduos que cont\u00eam materiais radioativos devem ser coletados por outros m\u00e9todos e devem estar estritamente de acordo com os regulamentos relevantes, evitar vazamentos e ser manuseados com cuidado.<\/li><\/ol>\n\n\n\n<p>7) Medidas de seguran\u00e7a para o tratamento de res\u00edduos l\u00edquidos:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Ao manusear res\u00edduos qu\u00edmicos, voc\u00ea deve usar \u00f3culos de prote\u00e7\u00e3o contra respingos, luvas e jalecos.<\/li><li>O l\u00edquido residual que libera fuma\u00e7a e vapor deve ser despejado em uma capela de exaust\u00e3o.<\/li><li>Para evitar que fuma\u00e7as e vapores escapem, a boca do cont\u00eainer deve ser bem fechada toda vez que o res\u00edduo for despejado.<\/li><li>Compostos altamente ativos, compostos ativos para a \u00e1gua, oxidantes de alta concentra\u00e7\u00e3o ou agentes redutores n\u00e3o devem ser misturados com outros res\u00edduos qu\u00edmicos.<\/li><\/ol>\n\n\n<!-- lc-commercial-start -->\n<h2>Como os compradores geralmente avaliam os aditivos para revestimentos e tintas<\/h2>\n<p>A sele\u00e7\u00e3o aditiva \u00e9 geralmente mais eficaz quando a equipe define o defeito primeiro e, em seguida, avalia a compatibilidade, a faixa de dosagem e a etapa do processo. Isso \u00e9 muitas vezes muito mais confi\u00e1vel do que escolher apenas pela fam\u00edlia qu\u00edmica ou por um \u00fanico resultado laboratorial dram\u00e1tico.<\/p>\n<ul>\n<li><strong>Comece pelo defeito, n\u00e3o pelo nome do aditivo:<\/strong> Perda por umedecimento, cratera, microespuma e instabilidade frequentemente precisam de solu\u00e7\u00f5es diferentes, mesmo dentro da mesma f\u00f3rmula.<\/li>\n<li><strong>Verifique a compatibilidade na dosagem pretendida:<\/strong> o aditivo mais forte ainda pode ser a escolha comercial errada se ele estreitar demais a janela de processo.<\/li>\n<li><strong>Revise o est\u00e1gio de uso:<\/strong> alguns produtos s\u00e3o mais \u00fateis durante a moagem, enquanto outros importam mais na dilui\u00e7\u00e3o, no enchimento ou na aplica\u00e7\u00e3o final.<\/li>\n<li><strong>Equilibre cura ou qualidade do filme com controle de defeitos:<\/strong> o aditivo certo resolve o problema sem sacrificar a ader\u00eancia, o brilho ou a apar\u00eancia.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> Um antiespumante balanceado de refer\u00eancia para revestimentos \u00e0 base de \u00e1gua e muitas telas de controle de espuma de uso geral.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> \u00datil quando a compatibilidade entre tinta de impress\u00e3o e tinta UV \u00e9 importante na tela antiespumante.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> Uma op\u00e7\u00e3o antiespumante mais forte para espumas persistentes que sobrevivem a condi\u00e7\u00f5es mais severas.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> Um referente forte de agente molhante para tintas, revestimentos e molhagem de substratos dif\u00edceis.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que um aditivo que parece poderoso em um b\u00e9quer \u00e0s vezes falha na produ\u00e7\u00e3o?<\/strong><br \/>Porque cisalhamento, temperatura, substrato e a f\u00f3rmula completa podem alterar a maneira como o aditivo se comporta sob condi\u00e7\u00f5es reais de processamento.<\/p>\n<p><strong>O aditivo mais agressivo deve ser sempre preferido?<\/strong><br \/>Geralmente n\u00e3o. O melhor aditivo \u00e9 aquele que resolve o defeito real, mantendo a mais ampla janela de opera\u00e7\u00e3o segura.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>1) Definition of waste liquid: Drugs with expired shelf life, high-concentration solutions, standard solutions and improperly configured solutions that were discarded after the experiment.Waste chemical liquids removed during the use<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4812","post","type-post","status-publish","format-standard","hentry","category-laboratory-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How should the waste liquid of the laboratory be handled?<\/title>\n<meta name=\"description\" content=\"1) 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