{"id":4927,"date":"2021-12-20T09:32:53","date_gmt":"2021-12-20T09:32:53","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4927"},"modified":"2026-04-28T10:41:53","modified_gmt":"2026-04-28T10:41:53","slug":"sewage-treatment-chemicals-used-in-sewage","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/sewage-treatment-chemicals-used-in-sewage\/","title":{"rendered":"Produtos qu\u00edmicos para tratamento de esgoto comumente usados em v\u00e1rios tipos de esgoto"},"content":{"rendered":"<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical wastewater-treatment decision starts with defining the failure mode, then checks pH, COD, ammonia, sludge condition, and process interaction before changing chemistry or operation.<\/p>\n<!-- lc-qa-end -->\n\n\n<p>Classifica\u00e7\u00e3o e aplica\u00e7\u00e3o de agentes de coagula\u00e7\u00e3o convencionais<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Sal de ferro, sal de alum\u00ednio e seus medicamentos compostos<\/li><\/ol>\n\n\n\n<p>Sal de ferro: sulfato f\u00e9rrico polim\u00e9rico (PFS), sulfato ferroso<\/p>\n\n\n\n<p>Sal de alum\u00ednio: cloreto de polialum\u00ednio (PAC), sulfato de alum\u00ednio, alum\u00ednio alcalino<\/p>\n\n\n\n<p>Medicamento composto: composto de alum\u00ednio e ferro<\/p>\n\n\n\n<p>Efeitos da aplica\u00e7\u00e3o: pr\u00e9-tratamento para remover SS, descolora\u00e7\u00e3o e desengorduramento; tratamento avan\u00e7ado para remover DQO e f\u00f3sforo; desempenha diferentes fun\u00e7\u00f5es para diferentes setores.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>Para ajustar o valor de PH do medicamento, use soda c\u00e1ustica em flocos, cal viva, cal hidratada, \u00e1lcali composto e \u00e1cido sulf\u00farico.<\/li><li>Floculante<\/li><\/ol>\n\n\n\n<p>PAM ani\u00f4nico, cati\u00f4nico e n\u00e3o i\u00f4nico<\/p>\n\n\n\n<p>Efeito da aplica\u00e7\u00e3o: Escolha de acordo com a carga el\u00e9trica dos flocos na \u00e1gua, o conte\u00fado de mat\u00e9ria org\u00e2nica e o valor de PH.<\/p>\n\n\n\n<p>Medicina profissional e aplica\u00e7\u00e3o<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Descolora\u00e7\u00e3o: agentes de coagula\u00e7\u00e3o convencionais (como sulfato ferroso, sulfato polif\u00e9rrico, etc.), descolorantes org\u00e2nicos, s\u00e3o frequentemente usados em \u00e1guas residuais de impress\u00e3o e tingimento e \u00e1guas residuais de couro;<\/li><li>Al\u00e9m do COD: removedor de COD, agente de combina\u00e7\u00e3o Fenton, usado principalmente para o tratamento avan\u00e7ado do final; \u00e9 amplamente utilizado nos setores de fabrica\u00e7\u00e3o de papel, impress\u00e3o e tingimento, galvanoplastia e placas de circuito;<\/li><li>Remo\u00e7\u00e3o de f\u00f3sforo: Agente de remo\u00e7\u00e3o de f\u00f3sforo, outro sal de ferro, sal de alum\u00ednio, sal de c\u00e1lcio; \u00e9 amplamente utilizado em usinas de tratamento de esgoto urbano e usinas de oxida\u00e7\u00e3o de superf\u00edcies met\u00e1licas;<\/li><li>Remo\u00e7\u00e3o de nitrog\u00eanio amoniacal: removedor de nitrog\u00eanio amoniacal, principalmente galvanoplastia, e mais aplica\u00e7\u00f5es no setor de placas de circuito;<\/li><li>Al\u00e9m dos metais pesados complexados: agente descomplexante, sulfeto de s\u00f3dio, agente de recaptura; mais aplica\u00e7\u00f5es em plantas de galvanoplastia e placas de circuito;<\/li><li>Remo\u00e7\u00e3o de fl\u00faor: agente de remo\u00e7\u00e3o de fl\u00faor, sal de c\u00e1lcio, sulfato de alum\u00ednio; planta de galvanoplastia<\/li><\/ol>\n\n\n\n<p>Introdu\u00e7\u00e3o a outros produtos<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Bact\u00e9rias bioativadas<\/li><\/ol>\n\n\n\n<p>Incluindo cepas obrigat\u00f3rias para remo\u00e7\u00e3o de am\u00f4nia e remo\u00e7\u00e3o de DQO, \u00e9 adequado para ativa\u00e7\u00e3o biol\u00f3gica de instala\u00e7\u00f5es de tratamento de esgoto, como fabrica\u00e7\u00e3o de couro, impress\u00e3o e tingimento, esta\u00e7\u00f5es de tratamento de esgoto urbano, f\u00e1bricas de alimentos, etc.; a fun\u00e7\u00e3o inclui principalmente a forma\u00e7\u00e3o de bact\u00e9rias dominantes e promove o crescimento e a reprodu\u00e7\u00e3o de microrganismos.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>Redutor de \u00e1gua de lodo<\/li><\/ol>\n\n\n\n<p>A modifica\u00e7\u00e3o e o condicionamento do lodo pelo agente redutor de \u00e1gua melhoram o desempenho de desidrata\u00e7\u00e3o do lodo para liberar mais \u00e1gua aderida e \u00e1gua ligada. Ap\u00f3s a desidrata\u00e7\u00e3o, o teor de umidade do lodo \u00e9 reduzido para menos de 60% para o tratamento avan\u00e7ado subsequente. E utiliza\u00e7\u00e3o de recursos. \u00c9 adequado para a desidrata\u00e7\u00e3o profunda de lodo em usinas de esgoto urbano, impress\u00e3o e tingimento, fabrica\u00e7\u00e3o de papel, centros de descarte centralizado de lodo e outras empresas.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>Equipamento fotocatal\u00edtico<\/li><\/ol>\n\n\n\n<p>\u00c9 adequado para a descolora\u00e7\u00e3o, remo\u00e7\u00e3o de DQO e remo\u00e7\u00e3o parcial de f\u00f3sforo de \u00e1guas residuais refrat\u00e1rias de alta concentra\u00e7\u00e3o; tem altos custos de investimento e opera\u00e7\u00e3o e \u00e9 mais adequado para o tratamento de \u00e1guas residuais de pequeno volume.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>O equipamento de eletroflocula\u00e7\u00e3o \u00e9 adequado para empresas de galvanoplastia e placas de circuito para remover metais pesados complexos, como o n\u00edquel qu\u00edmico, e tamb\u00e9m para remover f\u00f3sforo parcial; os custos de investimento e opera\u00e7\u00e3o s\u00e3o altos, e ele \u00e9 mais adequado para o tratamento de esgoto com pequenas quantidades de \u00e1gua.<\/li><\/ol>\n\n\n<!-- lc-commercial-start -->\n<h2>A practical process checklist for wastewater and sewage-treatment topics<\/h2>\n<p>Most wastewater-treatment problems are system problems. Teams usually get a better result when they define the process stage and water-quality target first, then review biological, chemical, and operational factors together before making a plant-scale correction.<\/p>\n<ul>\n<li><strong>Start from the process stage:<\/strong> pretreatment, biological treatment, sludge handling, and polishing steps can point to very different root causes.<\/li>\n<li><strong>Check the core water-quality data together:<\/strong> pH, COD, nitrogen, salinity, sludge condition, and dissolved oxygen often need to be read as one picture.<\/li>\n<li><strong>Review compliance and operability at the same time:<\/strong> the quickest local fix can still be the wrong commercial move if it destabilizes another part of the plant.<\/li>\n<li><strong>Use pilot or staged validation where possible:<\/strong> wastewater systems often respond differently at scale than they do in simplified bench assumptions.<\/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-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<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiwe-3071-organic-silicone-surfactant-organosilicone-wetting-agent\/\">CHLUMIWE 3071<\/a>:<\/strong> Useful when organosilicone wetting support is needed in a broad application screen.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why do many wastewater problems resist one-step fixes?<\/strong><br \/>Because the visible symptom is often created by several interacting process variables rather than one isolated cause.<\/p>\n<p><strong>Should operational changes be evaluated only by one output indicator?<\/strong><br \/>Usually no. A stable treatment decision should consider process balance, compliance, sludge behavior, and the effect on downstream steps as well.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>Classification and application of conventional coagulation agents Iron salt, aluminum salt and their compound medicaments Iron salt: polymeric ferric sulfate (PFS), ferrous sulfate Aluminum salt: polyaluminum chloride (PAC), aluminum sulfate,<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-4927","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sewage treatment chemicals commonly used in various sewage - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Classification and application of conventional coagulation agents Iron salt, aluminum salt and their compound medicaments Iron salt: polymeric ferric su...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/pt\/sewage-treatment-chemicals-used-in-sewage\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sewage treatment chemicals commonly used in various sewage - 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