{"id":7128,"date":"2024-07-19T06:29:28","date_gmt":"2024-07-19T06:29:28","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7128"},"modified":"2026-04-28T10:42:32","modified_gmt":"2026-04-28T10:42:32","slug":"wastewater-treatment-28-knowledge-points","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/wastewater-treatment-28-knowledge-points\/","title":{"rendered":"Tratamento de \u00e1guas residuais 28 pontos de conhecimento"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/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<p><!-- lc-qa-end --><\/p>\n<p><strong>1. S\u00f3lidos totais:<\/strong> as amostras quantitativas de \u00e1gua no forno a 105 ~ 110 \u2103, secagem pequena at\u00e9 peso constante, o peso resultante:.<\/p>\n<p><strong>2. Os compostos que cont\u00eam nitrog\u00eanio no esgoto s\u00e3o quatro:<\/strong> nitrog\u00eanio org\u00e2nico, nitrog\u00eanio amoniacal, nitrog\u00eanio nitrito e nitrog\u00eanio nitrato.<\/p>\n<p><strong>3. O nitrog\u00eanio Kjeldahl (KN) \u00e9 a soma do nitrog\u00eanio org\u00e2nico e do nitrog\u00eanio amoniacal:<\/strong> Os indicadores de nitrog\u00eanio Kjeldahl podem ser usados para determinar o esgoto no m\u00e9todo biol\u00f3gico de tratamento, o nutriente nitrog\u00eanio \u00e9 base suficiente.<\/p>\n<p><strong>4. H\u00e1 cinco formas f\u00edsicas de \u00f3leo e graxa no esgoto:<\/strong><\/p>\n<p>\u2460 \u00f3leo flutuante, a \u00e1gua est\u00e1tica pode flutuar para a superf\u00edcie do l\u00edquido, a forma\u00e7\u00e3o de filme de \u00f3leo, representando cerca de 60% da quantidade total de graxa ~ 80%;<\/p>\n<p>\u2461 \u00f3leo em estado mecanicamente disperso, di\u00e2metro de part\u00edcula de \u00f3leo superior a 5\u03bcm, dispers\u00e3o mais est\u00e1vel no esgoto, interface \u00f3leo - \u00e1gua entre a aus\u00eancia de surfactante;<\/p>\n<p>\u2462 \u00f3leo emulsionado, o di\u00e2metro da part\u00edcula de \u00f3leo tamb\u00e9m \u00e9 grande e seco, 5\u03bcm, mas na interface \u00f3leo-\u00e1gua entre a presen\u00e7a de surfactante, portanto, mais est\u00e1vel;<\/p>\n<p>(iv) \u00d3leo aderente, ou seja, \u00f3leo preso \u00e0 superf\u00edcie de grupos suspensos;<\/p>\n<p>\u2464 \u00f3leo dissolvido, inclusive dissolvido em \u00e1gua e part\u00edculas de \u00f3leo com menos de 5\u03bcm de di\u00e2metro. Os tipos \u2460, \u2461, \u2462 e \u2463 de \u00f3leos e gorduras podem ser removidos por m\u00e9todos f\u00edsicos, como separa\u00e7\u00e3o de \u00f3leo, flota\u00e7\u00e3o de ar ou sedimenta\u00e7\u00e3o, e os tipos \u2464 de \u00f3leos podem ser removidos por m\u00e9todo biol\u00f3gico ou m\u00e9todo de flota\u00e7\u00e3o de ar.<\/p>\n<p><strong>5. N\u00famero de coliformes (valor de coliformes):<\/strong> \u00e9 o n\u00famero de bact\u00e9rias coliformes contidas em cada litro de amostras de \u00e1gua, em termos de um \/ L.<\/p>\n<p><strong>6. Polui\u00e7\u00e3o de corpos d'\u00e1gua:<\/strong> Refere-se ao n\u00famero de poluentes despejados no corpo d'\u00e1gua em excesso da subst\u00e2ncia no corpo d'\u00e1gua no conte\u00fado de fundo e na capacidade ambiental do corpo d'\u00e1gua, resultando em altera\u00e7\u00f5es nas propriedades f\u00edsicas, qu\u00edmicas e microbiol\u00f3gicas da \u00e1gua, de modo que os ecossistemas e as fun\u00e7\u00f5es inerentes ao corpo d'\u00e1gua sejam prejudicados.<\/p>\n<p><strong>7. Capacidade do ambiente aqu\u00e1tico:<\/strong> sob a condi\u00e7\u00e3o de atender aos padr\u00f5es de qualidade do ambiente aqu\u00e1tico, a carga de polui\u00e7\u00e3o m\u00e1xima permitida do corpo d'\u00e1gua, tamb\u00e9m conhecida como capacidade de polui\u00e7\u00e3o do corpo d'\u00e1gua.<\/p>\n<p><strong>8. O m\u00e9todo b\u00e1sico de tratamento de esgoto:<\/strong> \u00e9 usar v\u00e1rias tecnologias e meios para separar e remover os poluentes contidos no esgoto, recicl\u00e1-los ou convert\u00ea-los em subst\u00e2ncias inofensivas, de modo que a \u00e1gua possa ser purificada.<\/p>\n<p><strong>9. Lagoas de estabiliza\u00e7\u00e3o:<\/strong> Uma tecnologia de tratamento biol\u00f3gico de esgoto que \u00e9 uma lagoa de esgoto com tratamento artificial adequado da terra, com aterro e camada imperme\u00e1vel, contando principalmente com a fun\u00e7\u00e3o de purifica\u00e7\u00e3o biol\u00f3gica natural para purificar o esgoto.<\/p>\n<p><strong>10. Sistema de tratamento de esgoto no solo:<\/strong> tamb\u00e9m pertence \u00e0 categoria de tratamento natural de esgoto, ou seja, no controle artificial das condi\u00e7\u00f5es, o esgoto ser\u00e1 alocado na terra. Por meio do sistema solo-planta, uma s\u00e9rie de processos de purifica\u00e7\u00e3o f\u00edsicos, qu\u00edmicos, f\u00edsico-qu\u00edmicos e bioqu\u00edmicos, de modo que o esgoto seja purificado em um processo de tratamento de esgoto.<\/p>\n<p><strong>11. Sistema de tratamento de \u00e1reas \u00famidas:<\/strong> O esgoto \u00e9 colocado no solo, muitas vezes em um estado saturado de \u00e1gua e o crescimento de plantas resistentes \u00e0 \u00e1gua, como juncos, arbustos e outros p\u00e2ntanos, o fluxo de esgoto em uma determinada dire\u00e7\u00e3o, no fluxo do processo, nas plantas resistentes \u00e0 \u00e1gua e nos solos sob a a\u00e7\u00e3o conjunta do esgoto \u00e9 purificado por um processo de tratamento do solo.<\/p>\n<p><strong>12. Tratamento de profundidade:<\/strong> Quando o padr\u00e3o de efluente do tratamento de esgoto \u00e9 alguns poluentes espec\u00edficos, o processo de tratamento \u00e9 geralmente chamado de tratamento em profundidade.<\/p>\n<p><strong>13. lodo ativado (duas express\u00f5es)<\/strong><\/p>\n<p>Conceito 1: A aera\u00e7\u00e3o do esgoto dom\u00e9stico por meio da inje\u00e7\u00e3o de ar no esgoto, ap\u00f3s um per\u00edodo prolongado de tempo, um floco marrom-amarelado \u00e9 formado no esgoto. Esse floco \u00e9 composto principalmente por um grande n\u00famero de grupos microbianos reprodutores, \u00e9 f\u00e1cil de precipitar e separar a \u00e1gua, e faz com que o esgoto seja purificado e clarificado.<\/p>\n<p>Conceito 2: O lodo ativado \u00e9 a principal subst\u00e2ncia do sistema de tratamento de lodo ativado. O lodo ativado \u00e9 habitado por microrganismos com grande vitalidade. Sob a a\u00e7\u00e3o da fun\u00e7\u00e3o metab\u00f3lica do grupo microbiano, o lodo ativado s\u00f3 tem a vitalidade de transformar poluentes org\u00e2nicos em subst\u00e2ncias inorg\u00e2nicas est\u00e1veis, por isso \u00e9 chamado de \"lodo ativado\".<\/p>\n<p><strong>14. O conte\u00fado energ\u00e9tico do lodo ativado:<\/strong> a propor\u00e7\u00e3o da quantidade de <strong>org\u00e2nico<\/strong> mat\u00e9ria (F) em rela\u00e7\u00e3o \u00e0 quantidade de microrganismos (M) (F\/M).<\/p>\n<p><strong>15. Metabolismo de microorganismos:<\/strong> microrganismos de lodo ativado que sobrevivem no tanque de aera\u00e7\u00e3o, absorvendo constantemente os poluentes org\u00e2nicos do esgoto de seu ambiente circundante como nutri\u00e7\u00e3o a ser ingerida e absorvida.<\/p>\n<p><strong>16. Tecnologia de tratamento de lodo ativado,<\/strong> \u00e9 por meio da ado\u00e7\u00e3o de uma s\u00e9rie de medidas t\u00e9cnicas de fortalecimento artificial e controle, para que os microrganismos do lodo ativado tenham. Para a oxida\u00e7\u00e3o da mat\u00e9ria org\u00e2nica, a decomposi\u00e7\u00e3o como a principal fun\u00e7\u00e3o fisiol\u00f3gica, \u00e9 fundamental. Para atingir o objetivo de purifica\u00e7\u00e3o de esgoto da tecnologia de engenharia biol\u00f3gica.<\/p>\n<p><strong>17. Concentra\u00e7\u00e3o de s\u00f3lidos suspensos l\u00edquidos mistos MLSS:<\/strong> tamb\u00e9m conhecido como concentra\u00e7\u00e3o de lodo l\u00edquido misto, que \u00e9 expresso no volume unit\u00e1rio do tanque de aera\u00e7\u00e3o do l\u00edquido misto contido no peso total dos s\u00f3lidos do lodo ativado.<\/p>\n<p><strong>18. Concentra\u00e7\u00e3o de l\u00edquido misto vol\u00e1til em suspens\u00e3o MLVSS:<\/strong> Esse \u00edndice \u00e9 expresso na parte da concentra\u00e7\u00e3o de s\u00f3lidos org\u00e2nicos do lodo ativado l\u00edquido misto.<\/p>\n<p><strong>19. \u00cdndice de volume de lodo SVI, conhecido como \"\u00edndice de lodo\":<\/strong> O significado f\u00edsico desse indicador \u00e9 no tanque de aera\u00e7\u00e3o na sa\u00edda da mistura, ap\u00f3s 30 minutos de precipita\u00e7\u00e3o est\u00e1tica, cada g de lodo seco formado pela sedimenta\u00e7\u00e3o do lodo ocupado pelo volume, em mL.<\/p>\n<p><strong>20. \u00cdndice de sedimenta\u00e7\u00e3o de lodo SV:<\/strong> A mistura no cilindro ap\u00f3s 30 minutos da forma\u00e7\u00e3o do volume de lodo precipitado representou a porcentagem do volume da mistura original, expressa em %.<\/p>\n<p><strong>21. Idade do lodo:<\/strong> a quantidade total de lodo ativado no tanque de aera\u00e7\u00e3o (VX) e a propor\u00e7\u00e3o da quantidade de lodo descarregado por dia, ou seja, o tempo m\u00e9dio de resid\u00eancia do lodo ativado no tanque de aera\u00e7\u00e3o, tamb\u00e9m conhecido como \"tempo m\u00e9dio de resid\u00eancia de bioss\u00f3lidos\", ou seja:<\/p>\n<p><strong>22. Carga de lodo de DBO (Ns):<\/strong> expresso no peso unit\u00e1rio do tanque de aera\u00e7\u00e3o (kg) de lodo ativado, em uma unidade de tempo (1d) para aceitar, e ser\u00e1 degradado em um grau predeterminado de poluentes org\u00e2nicos (DBO).<\/p>\n<p><strong>23. Unidade de carga volum\u00e9trica (Nv):<\/strong> volume do tanque de aera\u00e7\u00e3o (m3), em uma unidade de tempo (1 dia), pode ser aceito e ser\u00e1 degradado a um grau predeterminado de poluentes org\u00e2nicos (DBO) quantidade de material.<\/p>\n<p><strong>24. M\u00e9todo do lodo ativado:<\/strong> medidas artificiais para criar condi\u00e7\u00f5es adequadas para fortalecer a fun\u00e7\u00e3o metab\u00f3lica dos microrganismos de lodo ativado, para acelerar a degrada\u00e7\u00e3o de poluentes org\u00e2nicos na tecnologia de tratamento biol\u00f3gico de esgoto.<\/p>\n<p><strong>25. A ess\u00eancia do m\u00e9todo de biofilme:<\/strong> \u00e9 a cria\u00e7\u00e3o de microorganismos e protozo\u00e1rios da classe das bact\u00e9rias e dos fungos, ap\u00f3s o crescimento e o desenvolvimento da classe animal de microanimais ligados ao meio filtrante ou a algum transportador, e a forma\u00e7\u00e3o de lodo biol\u00f3gico de membrana sobre ele - biofilme.<\/p>\n<p><strong>26. Biofilme:<\/strong> ligados ao crescimento da superf\u00edcie do material s\u00f3lido por uma variedade de micro-organismos formados pelos agregados biol\u00f3gicos da membrana.<\/p>\n<p><strong>27. Biofiltro:<\/strong> m\u00e9todo de tratamento biol\u00f3gico artificial desenvolvido com base na pr\u00e1tica de irriga\u00e7\u00e3o de esgoto.<\/p>\n<p><strong>28. O princ\u00edpio b\u00e1sico da nova teoria de remo\u00e7\u00e3o de nitrog\u00eanio:<\/strong> Primeiro, oxide parcialmente o nitrog\u00eanio amoniacal em nitrog\u00eanio nitrito, controle a propor\u00e7\u00e3o de NH4+ e NO2- 1:1 e, em seguida, realize o objetivo de remo\u00e7\u00e3o de nitrog\u00eanio por meio da oxida\u00e7\u00e3o anaer\u00f3bica de am\u00f4nia como desnitrifica\u00e7\u00e3o.<\/p>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 667.52pt;\" border=\"0\" width=\"890\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 63.00pt;\">\n<td class=\"et3\" style=\"height: 63pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"84\"><strong>Fosfonatos Antiincrustantes, inibidores de corros\u00e3o e agentes quelantes<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/products\/atmp-cas-6419-19-8\/\">\u00c1cido amino trimetileno fosf\u00f4nico (ATMP)<\/a><\/span><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 6419-19-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/products\/hedp-cas-2809-21-4-2\/\">\u00c1cido 1-hidroxi etilideno-1,1-difosf\u00f4nico (HEDP)<\/a><\/span><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 2809-21-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/edtmpa-solid-cas-1429-50-1\/\"><span style=\"color: #00ccff;\">Etileno diamina tetra (\u00e1cido metileno fosf\u00f4nico) EDTMPA (s\u00f3lido)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 1429-50-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/dtpmpa-cas-15827-60-8\/\"><span style=\"color: #00ccff;\">Dietileno Triamina Penta (\u00c1cido Metileno Fosf\u00f4nico) (DTPMPA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 15827-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/pbtc-cas-37971-36-1\/\"><span style=\"color: #00ccff;\">\u00c1cido 2-fosfonobutano -1,2,4-tricarbox\u00edlico (PBTC)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 37971-36-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/hpaa-cas-23783-26-8\/\"><span style=\"color: #00ccff;\">\u00c1cido 2-hidroxi-fosfonoac\u00e9tico (HPAA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 23783-26-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/hmdtmpa-cas-23605-74-5\/\"><span style=\"color: #00ccff;\">HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 23605-74-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">\u00c1cido poliamino poli\u00e9ter metileno fosf\u00f4nico (PAPEMP)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\"><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/bhmtpmp-cas-34690-00-1\/\"><span style=\"color: #00ccff;\">Bis(\u00c1cido hexa-metileno triamina penta (metileno fosf\u00f4nico)) BHMTPMP<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 34690-00-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/hempa-cas-5995-42-6\/\"><span style=\"color: #00ccff;\">\u00c1cido hidroxietilamino-Di(metileno fosf\u00f4nico) (HEMPA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 5995-42-6<\/td>\n<\/tr>\n<tr style=\"height: 15.75pt;\">\n<td class=\"et3\" style=\"height: 15.75pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"21\"><strong>Sais de fosfonatos<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/atmp-na4-cas-20592-85-2\/\"><span style=\"color: #00ccff;\">Sal tetra-s\u00f3dico do \u00e1cido amino trimetileno fosf\u00f4nico (ATMP-Na4)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 20592-85-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/atmp-na5-cas-2235-43-0\/\"><span style=\"color: #00ccff;\">Sal pentass\u00f3dico do \u00e1cido amino trimetileno fosf\u00f4nico (ATMP-Na5)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 2235-43-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/hedp-na-cas-29329-71-3\/\"><span style=\"color: #00ccff;\">Monoss\u00f3dico de \u00e1cido 1-hidroxietilideno-1,1-difosf\u00f4nico (HEDP-Na)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 29329-71-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/hedp-na2-cas-7414-83-7\/\"><span style=\"color: #00ccff;\">\u00a0(HEDP-Na2)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 7414-83-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal tetra-s\u00f3dico do \u00e1cido 1-hidroxietilideno-1,1-difosf\u00f4nico (HEDP-Na4)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 3794-83-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de pot\u00e1ssio do \u00e1cido 1-hidroxi etilideno-1,1-difosf\u00f4nico (HEDP-K2)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 21089-06-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal pentass\u00f3dico de etileno diamina tetra (\u00e1cido metileno fosf\u00f4nico) (EDTMP-Na5)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 7651-99-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal hepta-s\u00f3dico do \u00e1cido dietileno triamina penta (metileno fosf\u00f4nico) (DTPMP-Na7)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 68155-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de s\u00f3dio do \u00e1cido dietileno triamina penta (metileno fosf\u00f4nico) (DTPMP-Na2)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 22042-96-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">\u00c1cido 2-fosfonobutano -1,2,4-tricarbox\u00edlico, sal de s\u00f3dio (PBTC-Na4)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 40372-66-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de pot\u00e1ssio do \u00e1cido hexa-metileno-diamina-tetra (metileno-fosf\u00f4nico) HMDTMPA-K6<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 53473-28-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de s\u00f3dio parcialmente neutralizado do \u00e1cido bishexametileno triamina penta (metileno fosf\u00f4nico) BHMTPH-PN(Na2)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 35657-77-3<\/td>\n<\/tr>\n<tr style=\"height: 31.50pt;\">\n<td class=\"et3\" style=\"height: 31.5pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"42\"><strong>Antiincrustante e dispersante policarbox\u00edlico<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">\u00c1cido poliacr\u00edlico (PAA) 50% 63%<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 9003-01-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de s\u00f3dio de \u00e1cido poliacr\u00edlico (PAAS) 45% 90%<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 9003-04-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/hpma-cas-26099-09-2\/\"><span style=\"color: #00ccff;\">Anidrido polimaleico hidrolisado (HPMA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 26099-09-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Copol\u00edmero de \u00e1cido maleico e acr\u00edlico (MA\/AA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 26677-99-6<\/td>\n<\/tr>\n<tr style=\"height: 17.00pt;\">\n<td class=\"et5\" style=\"height: 17.00pt;\" height=\"22\">Copol\u00edmero de \u00e1cido acr\u00edlico-2-acrilamido-2-metilpropano sulf\u00f4nico (AA\/AMPS)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 40623-75-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">TH-164 \u00c1cido fosfino-carbox\u00edlico (PCA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 71050-62-9<\/td>\n<\/tr>\n<tr style=\"height: 31.50pt;\">\n<td class=\"et3\" style=\"height: 31.5pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"42\"><strong>Antiincrustante e dispersante biodegrad\u00e1vel<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 54.00pt;\" rowspan=\"2\" height=\"72\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/pesa-cas-51274-37-4109578-44-1\/\"><span style=\"color: #00ccff;\">S\u00f3dio do \u00e1cido poliepoxisucc\u00ednico (PESA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 51274-37-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 109578-44-1<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 54.00pt;\" rowspan=\"2\" height=\"72\"><a href=\"https:\/\/longchangchemical.com\/pt\/products\/pasp-cas-181828-06-8-35608-40-6\/\"><span style=\"color: #00ccff;\">Sal de s\u00f3dio do \u00e1cido poliasp\u00e1rtico (PASP)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 181828-06-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 35608-40-6<\/td>\n<\/tr>\n<tr style=\"height: 27.00pt;\">\n<td class=\"et3\" style=\"height: 27pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"36\"><strong>Biocida e Algicida<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 67.50pt;\" rowspan=\"3\" height=\"90\">Cloreto de benzalc\u00f4nio (cloreto de dodecil dimetil benzil am\u00f4nio)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 8001-54-5,<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 63449-41-2,<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00ba CAS 139-07-1<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 81.00pt;\" rowspan=\"2\" height=\"108\">Isotiazolinonas<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 26172-55-4,<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 2682-20-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sulfato de tetraquis(hidroximetil)fosf\u00f4nio (THPS)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 55566-30-8<\/td>\n<\/tr>\n<tr style=\"height: 17.00pt;\">\n<td class=\"et5\" style=\"height: 17.00pt;\" height=\"22\">GLUTARALDEHYDE<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 111-30-8<\/td>\n<\/tr>\n<tr style=\"height: 31.00pt;\">\n<td class=\"et3\" style=\"height: 31pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"41\"><strong>Inibidores de corros\u00e3o<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de s\u00f3dio do toliltriazol (TTA-Na)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 64665-57-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Toliltriazol (TTA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 29385-43-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de s\u00f3dio do 1,2,3-benzotriazol (BTA-Na)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 15217-42-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">1,2,3-Benzotriazol (BTA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 95-14-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Sal de s\u00f3dio do 2-Mercaptobenzotiazol (MBT-Na)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 2492-26-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">2-Mercaptobenzotiazol (MBT)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 149-30-4<\/td>\n<\/tr>\n<tr style=\"height: 15.75pt;\">\n<td class=\"et3\" style=\"height: 15.75pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"21\"><strong>Absorvedor de oxig\u00eanio<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Ciclohexilamina<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 108-91-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Morfolina<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 110-91-8<\/td>\n<\/tr>\n<tr style=\"height: 15.75pt;\">\n<td class=\"et3\" style=\"height: 15.75pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"21\"><strong>Outros<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Diethylhexyl Sulfosuccinate de s\u00f3dio<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 1639-66-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Cloreto de acetila<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 75-36-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Agente quelante verde TH-GC (\u00e1cido glut\u00e2mico, \u00e1cido N,N-diacetico, sal tetra-s\u00f3dico)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">N\u00famero CAS 51981-21-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How technical buyers and operators usually evaluate wastewater-treatment issues<\/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>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-cat-261-cas-32760-80-8\/\">CHLUMINIT 261<\/a>:<\/strong> A direct cationic-photoinitiator reference when cationic curing routes are being screened.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/hpma-monomer-cas-27813-02-1\/\">CHLUMICRYL HPMA<\/a>:<\/strong> \u00datil quando mais polaridade e suporte de ades\u00e3o s\u00e3o necess\u00e1rios no pacote reativo.<\/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<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiwe-3071-organic-silicone-surfactant-organosilicone-wetting-agent\/\">CHLUMIWE 3071<\/a>:<\/strong> \u00datil quando se necessita de suporte de umecta\u00e7\u00e3o organossiliconado em uma ampla aplica\u00e7\u00e3o de telas.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/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<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Total solids: the quantitative water samples in the 105 ~ 110 \u2103 oven small drying to constant weight, the resulting weight:. 2. Nitrogen-containing compounds in sewage are four: organic<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[168],"tags":[],"class_list":["post-7128","post","type-post","status-publish","format-standard","hentry","category-water-treatment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Wastewater Treatment 28 Knowledge Points - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1. 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