学科分类
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5 个结果
  • 简介:Systematicstudiesonthetreatmentandreuseoftheacidindustrialwatewatercontainingsodium2-Naphthylsulfonate(β-salt)from2-NaphthanolproductionprocessbyND-910resin(madebyself)isreportedinthispaper.Undertheoperationconditionsofinitialβ-saltconcentrationof10000-25000mg/LandinitialCODCrof20000-40000mg/L,theremovalratesofSodium2-NaphthylsulfonateandCODCrareover95%andover89%,respectively.Theeffluentcanbedischargeddirectlyafterbiologicaldegradation.TheworkingsorptioncapacityofND-910Resinforβ-saltisover230g/kg.Analkali-waterwashprocedureisutilizedtoregenerateresinandthereclaimingrateofβ-saltisover98%.

  • 标签: 2-萘并吡咯生产 废水处理 废水再用
  • 简介:ThewastewaterfromnaphtholAs-EproductionprocesswastreatedwithmacroporouspolymericadsorbentNDA-222.NaphtholAs-Eand2,3-acidinthewastewatercouldberemovedcompletelyandtheTotalOrganicCarbon(TOC)ofthewastewaterwasdecreasedmorethan98%from1655mg/Ltolessthan30mg/L.TheadsorbatescouldbedesorbedcompletelywithNaOHaqueoussolution.

  • 标签: 废水处理 资源 再利用
  • 简介:Theeffluentfromphenylaceticacid(PhCH2COOH)productionprocesscanbetreatedwithNDA-999macroporouspolymericadsorbentwithabout100%remopvalefficiencyofPhCH2COOH,benzylalcohol(PhCH2OH)andbenzaldehyde(PhCOHO)aswellasthedecreaseinTotalOrganicCarbon(TOC)from4691mg/lto<300mg/L.3.7kgphCH2COOHand120kgNaClwillberecoveredfromperm^3wastewaterandtheadsorbentcanbereusedafterbeingregeneratedbyNaOHaqueoussolutionandmethanol.Goodeconomic,socialandenvironmentalresultscanbeachievedwiththismethod.

  • 标签: 苯乙酸 聚合吸收剂 废水处理
  • 简介:Thetreatmentandresourcereuseof1,2,4-acidproducingwastewaterbyself-mademacroporousadsorptionresinND,A-107wasstudiedinthispaper.Optimumadsorptionanddesorptionprocessparameterswereacquiredbysystematicallystudy.ThepolymericresinNDA-107indicatedgoodadsorption&desorptionof1,2,4-acidinthewastewater.Theremovalefficiencyof1,2,4-acid,CODerisabout78%,72%respectively.Itisevidentthatthisadsorptionprocessisanefficienttreatmentmethodfor1,2,4-acidproducingwastewater.Atthesametime,theaccumulationandresourcereuseofl,2,4-acidcanberealizedinthisprocess.

  • 标签: 资源再利用 废水处理 1 2 4-产酸废水 大孔聚合物吸附剂