简介：Thetreatmentoftheindustrialwastewater,inwhichtheconcentrationoftriethylamine(TEN)andCODcrwasaround3450mg/Land22400mg/Lrespectively,wasstudiedbyadsorptionofmacroporousresins,ResultsdemonstratethatthepolymericadsorbentCHA-111hasexcellenteffectontheadsorptionanddesorptionofTEN.TheconcentrationofTENintheeffluentislessthan30mg/L,andtheremovalefficiencyofTENandtotalCODcrexceed99%and95%respectively.TheaccumulationandresourcereuseofTENcanberealizedinthisprocess.

简介：Inthispaper,thetwoeffluentsfromPBA(3-phenoxy-benzaldehyde)productionprocessweretreatedbypolymericadsorbentCHA-111.PBAorPBC(3-phenoxy-benzoicacid)wasrecoveredfromthewastewaterintheprocessofneutralization.Asasecondarytreatmentmethod,adsorptionwithCHA-111showedbetterefficiencythanphotocatolyticdecompositionandsolventextraction.Theoptimaltechnologicalparameterswere:adsorption:currentvelocity:2.0BV/hr(bedvolumeperhour),roomtemperature;desorption:currentvelocity:2.0BV/hr(bedvolumeperhour),roomtemperature;desorption:currentvelocity:1.0BV/hr,80℃,8%sodiumhydroxideaqueoussolutions.Inconclusion,99.9%CODintheneutralizingwastewaterand98.4%CODinthehydrolysiswastewaterareremovedsuccessfully.

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