{"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>Quick answer:<\/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>How buyers usually evaluate coating and ink additives<\/h2>\n<p>Additive selection is usually most effective when the team defines the defect first and then screens compatibility, dosage range, and process stage. That is often much more reliable than choosing only by chemistry family or by a single dramatic lab result.<\/p>\n<ul>\n<li><strong>Start from the defect, not the additive name:<\/strong> wetting loss, crater, microfoam, and instability often need different solutions even inside the same formula.<\/li>\n<li><strong>Check compatibility at the intended dosage:<\/strong> the strongest additive can still be the wrong commercial choice if it narrows the process window too much.<\/li>\n<li><strong>Review the stage of use:<\/strong> some products are most useful during grind, while others matter more during let-down, filling, or final application.<\/li>\n<li><strong>Balance cure or film quality with defect control:<\/strong> the right additive fixes the problem without sacrificing adhesion, gloss, or appearance.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why does an additive that looks powerful in a beaker sometimes fail in production?<\/strong><br \/>Because shear, temperature, substrate, and the full formula can all change the way the additive performs under real process conditions.<\/p>\n<p><strong>Should the most aggressive additive always be preferred?<\/strong><br \/>Not usually. The best additive is the one that solves the real defect while preserving the broadest safe operating window.<\/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) Definition of 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