{"id":4439,"date":"2025-09-28T14:34:41","date_gmt":"2025-09-28T06:34:41","guid":{"rendered":"http:\/\/puxi2.wangluocloud.com\/?p=4439"},"modified":"2025-10-24T09:47:34","modified_gmt":"2025-10-24T01:47:34","slug":"application-of-psi-tfn-reverse-osmosis-membranes-in-seawater-desalination-projects","status":"publish","type":"post","link":"https:\/\/www.psimembrane.com\/pt\/case\/application-of-psi-tfn-reverse-osmosis-membranes-in-seawater-desalination-projects\/","title":{"rendered":"Aplica\u00e7\u00e3o de Membranas PSI TFN no Tratamento de \u00c1guas Residuais de Dessulfuriza\u00e7\u00e3o Petroqu\u00edmica"},"content":{"rendered":"
\n

1. Adi\u00e7\u00e3o de instala\u00e7\u00f5es de separa\u00e7\u00e3o por membrana para elimina\u00e7\u00e3o de fumos brancos ao sistema de gases de combust\u00e3o da unidade de recupera\u00e7\u00e3o de enxofre da Shenghong Refining & Chemical<\/strong><\/h3>\n

Descri\u00e7\u00e3o geral do projeto<\/strong><\/h4>\n
\n
\n
    \n
  • Localiza\u00e7\u00e3o: Cidade de Lianyungang, prov\u00edncia de Jiangsu<\/li>\n
  • Capacidade: 31m\u00b3\/h<\/li>\n
  • Objetivo: Descarga Zero de L\u00edquidos (ZLD)<\/li>\n<\/ul>\n<\/div>\n
    \n
      \n
    • Fonte de \u00e1gua: Condensado de evapora\u00e7\u00e3o de sulfato de am\u00f3nio + \u00e1gua de circula\u00e7\u00e3o terci\u00e1ria<\/li>\n
    • Utilizador: Divis\u00e3o de Refina\u00e7\u00e3o, Shenghong Refining & Chemical<\/li>\n
    • Data de entrada em funcionamento: dezembro de 2022<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
      \n
      \n
      \n

      Informa\u00e7\u00f5es sobre o projeto<\/strong><\/h4>\n

      1. \u00c1gua de circula\u00e7\u00e3o terci\u00e1ria
      \nCaudal: 15m\u00b3\/h
      \nTemperatura: 50\u2103
      \npH=3\uff5e8
      \nConcentra\u00e7\u00e3o de sulfato de am\u00f3nio e de bissulfato de am\u00f3nio: 0,02-0,8% (wt)<\/p>\n<\/div>\n

      2. Evapora\u00e7\u00e3o e cristaliza\u00e7\u00e3o do condensado secund\u00e1rio
      \nCaudal: 16m\u00b3\/h
      \nTemperatura: 50\u2103
      \npH=3\uff5e8
      \nTeor de sulfato de am\u00f3nio: 0,005-0,2% (wt), contendo quantidades vestigiais de amon\u00edaco (NH\u2083), SO\u2082, sulfito, bissulfito, i\u00f5es de cloreto, etc.<\/div>\n<\/div>\n<\/div>\n
      \n

      Resultado da proposta t\u00e9cnica<\/strong><\/h4>\n

      n<\/span> Dentro da capacidade de processamento de \u00e1gua de 60-150%, a concentra\u00e7\u00e3o m\u00e1xima de sulfato de am\u00f3nio e bissulfato de am\u00f3nio permanece abaixo de 0,5% (wt). A unidade principal TFN atinge uma concentra\u00e7\u00e3o de 40 vezes, enquanto que combinada com a descarga de \u00e1guas residuais, a \u00e1gua concentrada total que entra no evaporador atinge uma concentra\u00e7\u00e3o de 20 vezes. Com concentra\u00e7\u00f5es m\u00e1ximas de sulfato de am\u00f3nio e bissulfito de am\u00f3nio n\u00e3o superiores a 2%, \u00e9 garantido o funcionamento normal.
      \nn<\/span> A concentra\u00e7\u00e3o m\u00e1xima de sulfato de am\u00f3nio na \u00e1gua concentrada n\u00e3o deve ser inferior a 20% para garantir o funcionamento normal do equipamento.
      \nn<\/span> O equipamento cumpre os requisitos de manuten\u00e7\u00e3o de 1 ano de 3 em 3 anos e a vida \u00fatil do equipamento \u00e9 superior a 20 anos.<\/p>\n<\/div>\n

      \n

      Proposta t\u00e9cnica Fluxo do processo de tratamento<\/strong><\/h4>\n

      \n

      \"Application<\/figure>\n<\/div>\n
      \n

      Tecnologia de base e vantagens<\/strong><\/h4>\n
      O n\u00facleo do projeto \u00e9 o sistema de separa\u00e7\u00e3o por membrana PSI TFN, que apresenta as seguintes carater\u00edsticas<\/div>\n

      n<\/span> Estrutura de membrana multicamada optimizada, especificamente concebida para a dif\u00edcil remo\u00e7\u00e3o de i\u00f5es de am\u00f3nio em solu\u00e7\u00f5es de sulfato de am\u00f3nio, assegurando uma efici\u00eancia \u00f3ptima de reten\u00e7\u00e3o de sulfato;
      \nn<\/span> Alto desempenho de fluxo, alcan\u00e7ando maior produ\u00e7\u00e3o de \u00e1gua sem aumentar a press\u00e3o de funcionamento;
      \nn<\/span> Resist\u00eancia \u00e0 limpeza qu\u00edmica, com uma ampla gama de limpeza de pH (pH 1-13), removendo eficazmente as incrusta\u00e7\u00f5es inorg\u00e2nicas, as incrusta\u00e7\u00f5es org\u00e2nicas e os contaminantes microbianos;
      \nn<\/span> Tecnologia de fabrico totalmente automatizada e de precis\u00e3o, que incorpora um design avan\u00e7ado com um comprimento reduzido das folhas da membrana e um maior n\u00famero de folhas, reduzindo o potencial global de incrusta\u00e7\u00e3o e maximizando a efici\u00eancia da membrana.<\/p>\n<\/div>\n

      \n

      2. Instala\u00e7\u00e3o de uma unidade de separa\u00e7\u00e3o por membranas montada sobre patins para tratamento de condensados de evapora\u00e7\u00e3o na f\u00e1brica de sulfato de am\u00f3nio da Zhongke Refining & Chemical<\/strong><\/h3>\n

      A membrana de nanofiltra\u00e7\u00e3o especial NF98-SPEC-8040, desenvolvida \u00e0 medida, substituiu com \u00eaxito a membrana importada, conseguindo uma separa\u00e7\u00e3o eficiente das \u00e1guas residuais de sulfato de am\u00f3nio na ind\u00fastria petroqu\u00edmica. Permite a reutiliza\u00e7\u00e3o de \u00e1gua purificada e o enriquecimento de alta concentra\u00e7\u00e3o de salmoura de sulfato de am\u00f3nio.<\/p>\n<\/div>\n

      \n

      Descri\u00e7\u00e3o geral do projeto<\/strong><\/h4>\n

      Localiza\u00e7\u00e3o: Cidade de Zhanjiang, prov\u00edncia de Guangdong
      \nFonte de \u00e1gua: Condensado de evapora\u00e7\u00e3o de sulfato de am\u00f3nio
      \nCapacidade: 20m\u00b3\/h
      \nUtilizador: Departamento de Refina\u00e7\u00e3o III, Zhongke Refining & Chemical
      \nObjetivo: Reutiliza\u00e7\u00e3o de \u00e1gua condensada de evapora\u00e7\u00e3o
      \nData de entrada em funcionamento: julho de 2022<\/p>\n

      \n

      Informa\u00e7\u00f5es sobre o projeto<\/strong><\/h4>\n

      O l\u00edquido de alimenta\u00e7\u00e3o bruto a ser tratado neste projeto \u00e9 o condensado de evapora\u00e7\u00e3o de sulfato de am\u00f3nio proveniente de unidades de dessulfuriza\u00e7\u00e3o \u00e0 base de amon\u00edaco. Apresenta um elevado teor de azoto amoniacal, uma forte acidez e uma temperatura elevada. Os par\u00e2metros chave do projeto para alimentar o sistema montado em skid est\u00e3o listados na tabela \u00e0 direita.<\/p>\n<\/div>\n

      \n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \n

       <\/strong>M<\/strong>m\u00e9dio <\/strong><\/p>\n<\/td>\n

      		\n

      Evapora\u00e7\u00e3o Condensado<\/strong><\/p>\n<\/td>\n<\/tr>\n

      \n

      Capacidade de tratamento<\/p>\n<\/td>\n

      		\n

      m3<\/sup>\/h<\/p>\n<\/td>\n

      		\n

      25<\/p>\n<\/td>\n<\/tr>\n

      \n

      Temperatura de entrada<\/p>\n<\/td>\n

      		\n

      \u2103<\/p>\n<\/td>\n

      		\n

      \uff1c80<\/p>\n<\/td>\n<\/tr>\n

      \n

      Press\u00e3o de funcionamento<\/p>\n<\/td>\n

      		\n

      MPa<\/p>\n<\/td>\n

      		\n

      \uff1c2.5<\/p>\n<\/td>\n<\/tr>\n

      \n

      pH<\/p>\n<\/td>\n

      		\n

      -<\/p>\n<\/td>\n

      		\n

      2\uff5e5<\/p>\n<\/td>\n<\/tr>\n

      \n

      Amon\u00edaco Nitrog\u00e9nio<\/p>\n<\/td>\n

      		\n

      mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c2000<\/p>\n<\/td>\n<\/tr>\n

      \n

      S\u00f3lidos suspensos<\/p>\n<\/td>\n

      		\n

      mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c50<\/p>\n<\/td>\n<\/tr>\n

      \n

       Conductivity<\/p>\n<\/td>\n

      		\n

      \u03bcS\/cm<\/p>\n<\/td>\n

      		\n

      \uff1c12000<\/p>\n<\/td>\n<\/tr>\n

      \n

      Permeate Ratio<\/p>\n<\/td>\n

      		\n

      -<\/p>\n<\/td>\n

      		\n

      80%<\/p>\n<\/td>\n<\/tr>\n

      \n

      Concentrate Ratio<\/p>\n<\/td>\n

      		\n

      -<\/p>\n<\/td>\n

      		\n

      20%<\/p>\n<\/td>\n<\/tr>\n

      \n

      Piping & Flange Standards<\/p>\n<\/td>\n

      		\n

      SH\/T 3405, SH\/T 3406<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \n

      NO.<\/strong><\/p>\n<\/td>\n

      		\n

      Item<\/strong><\/p>\n<\/td>\n

      		\n

       <\/strong>Value<\/strong> <\/strong><\/p>\n<\/td>\n<\/tr>\n

      \n

      1<\/p>\n<\/td>\n

      		\n

      pH<\/p>\n<\/td>\n

      		\n

      6.5\uff5e9.0<\/p>\n<\/td>\n<\/tr>\n

      \n

      2<\/p>\n<\/td>\n

      		\n

      COD, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c60<\/p>\n<\/td>\n<\/tr>\n

      \n

      3<\/p>\n<\/td>\n

      		\n

      BOD, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c10<\/p>\n<\/td>\n<\/tr>\n

      \n

      4<\/p>\n<\/td>\n

      		\n

       Ammonia Nitrogen, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c10<\/p>\n<\/td>\n<\/tr>\n

      \n

      5<\/p>\n<\/td>\n

      		\n

       Suspended Solids (SS), mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c30<\/p>\n<\/td>\n<\/tr>\n

      \n

      6<\/p>\n<\/td>\n

      		\n

       Turbidity, NTU<\/p>\n<\/td>\n

      		\n

      \uff1c10<\/p>\n<\/td>\n<\/tr>\n

      \n

      7<\/p>\n<\/td>\n

      		\n

      Sulfide Ion, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c0.1<\/p>\n<\/td>\n<\/tr>\n

      \n

      8<\/p>\n<\/td>\n

      		\n

      Petroleum Substances, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c2.0<\/p>\n<\/td>\n<\/tr>\n

      \n

      9<\/p>\n<\/td>\n

      		\n

      Volatile Phenols, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c0.5<\/p>\n<\/td>\n<\/tr>\n

      \n

      10<\/p>\n<\/td>\n

      		\n

      Calcium Hardness (as CaCO\u2083), mg\/L<\/p>\n<\/td>\n

      		\n

      50-300<\/p>\n<\/td>\n<\/tr>\n

      \n

      11<\/p>\n<\/td>\n

      		\n

      Total Alkalinity (as CaCO\u2083), mg\/L<\/p>\n<\/td>\n

      		\n

      50-300<\/p>\n<\/td>\n<\/tr>\n

      \n

      12<\/p>\n<\/td>\n

      		\n

       Chloride Ion, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c30<\/p>\n<\/td>\n<\/tr>\n

      \n

      13<\/p>\n<\/td>\n

      		\n

      Sulfate Ion, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c50<\/p>\n<\/td>\n<\/tr>\n

      \n

      14<\/p>\n<\/td>\n

      		\n

      Iron, mg\/L<\/p>\n<\/td>\n

      		\n

      \uff1c0.5<\/p>\n<\/td>\n<\/tr>\n

      \n

      15<\/p>\n<\/td>\n

      		\n

      Conductivity, \u03bcS\/cm<\/p>\n<\/td>\n

      		\n

      \uff1c100<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

      Resultados t\u00e9cnicos<\/strong><\/h4>\n
      Under the condition that the raw water meets the designed inlet requirements, the purified water shall comply with the China Petrochemical Corporation Enterprise Standard Q\/SH 0628.2-2014 for make-up water quality. Additionally, the outlet pressure shall be no less than 0.6 MPa(g), and the temperature shall be below 40\u00b0C. Specific indicators are listed in the above table.
      \nWithin 60-110% of the designed operational range, the purified water quality shall meet the Sinopec Q\/SH 0628.2-2014 make-up water standard, with a recovery rate of no less than 80%.<\/div>\n

      n<\/span> The equipment shall require maintenance only once every 4 years, with a service life exceeding 15 years.
      \nn<\/span> The system must support continuous operation for 4 years. For membrane treatment facilities incapable of continuous operation, a one-in-operation-and-one-standby.<\/p>\n

      \n

      Proposta t\u00e9cnica Fluxo do processo de tratamento<\/strong><\/h4>\n
      \n
      \"Application<\/figure>\n<\/div>\n<\/div>\n
      \n

      Core Technology & Advantages<\/strong><\/h4>\n
      O n\u00facleo do projeto \u00e9 o sistema de separa\u00e7\u00e3o por membrana PSI TFN, que apresenta as seguintes carater\u00edsticas<\/div>\n

      n<\/span> Optimized multi-layer membrane structure specifically designed for challenging ammonium ion removal in ammonium sulfate solutions, ensuring optimal sulfate retention efficiency;
      \nn<\/span> Alto desempenho de fluxo, alcan\u00e7ando maior produ\u00e7\u00e3o de \u00e1gua sem aumentar a press\u00e3o de funcionamento;
      \nn<\/span> Resist\u00eancia \u00e0 limpeza qu\u00edmica, com uma ampla gama de limpeza de pH (pH 1-13), removendo eficazmente as incrusta\u00e7\u00f5es inorg\u00e2nicas, as incrusta\u00e7\u00f5es org\u00e2nicas e os contaminantes microbianos;
      \nn<\/span> Fully automated and precision manufacturing technology, incorporating an advanced design with shortened membrane leaf length and increased leaf count, reducing overall fouling potential and maximizing membrane efficiency<\/p>\n<\/div>\n<\/div>\n

      \n

      Apresenta\u00e7\u00e3o de casos<\/strong><\/h4>\n
      \"Application<\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"

      1. Addition of White Smoke Elimination Membrane Separation Facilities to the Flue Gas System of Shenghong Refining & Chemical’s Sulfur Recovery Uni Project Overview Location: Lianyungang City, Jiangsu Province Capacity: 31m\u00b3\/h Purpose: Zero Liquid Discharge (ZLD) Water Source: Ammonium Sulfate Evaporation Condensate + Tertiary Circulating Water User: Refining Division, Shenghong Refining & Chemical Commissioning Date: December 2022 Project Information […]<\/p>","protected":false},"author":1,"featured_media":4459,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[68],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/posts\/4439"}],"collection":[{"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/comments?post=4439"}],"version-history":[{"count":101,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/posts\/4439\/revisions"}],"predecessor-version":[{"id":5064,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/posts\/4439\/revisions\/5064"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/media\/4459"}],"wp:attachment":[{"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/media?parent=4439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/categories?post=4439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.psimembrane.com\/pt\/wp-json\/wp\/v2\/tags?post=4439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}