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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:

2020年01期

Page:

49-54

Research Field:

·化学·

Publishing date:

Info

Title:

ComplexationExtractionofChlorophenolsinWastewaterfrom2,4-DichlorphenoxyaceticAcidProduction

Author(s):

WangQiu; ZhaZhenxing; LiYing; GengXinxiang; YangJiahui; YangJing; CuiShihai

JiangsuCollaborativeInnovationCenterofBiomedicalFunctionalMaterials,JiangsuKeyLaboratoryofBiomedicalMaterials,SchoolofChemistryandMaterialsScience,NanjingNormalUniversity,Nanjing210023,China

Keywords:

complexationextraction; chlorophenol; equilibriummodel; extractioncompound

PACS:

X787

DOI:

10.3969/j.issn.1001-4616.2020.01.008

Abstract:

2,4-dichlorophenoxyaceticacidisakindofwidelyusedherbicide.Inthemanufactureofthe2,4-dichlorophenoxyaceticacid,thechlorinationprocesscanproducealargeamountofchlorophenolwastewater.Accordingtothecharacteristicofchlorophenolwastewater,theW-Scomplexextractantpreparedinthelaboratorywasselectedtopretreatthiswastewaterandtheextractionconditionswereoptimized,suchastheinitialpHofwastewater,thecompositionofextractant,oil/waterratioandsoon.TheseresultsshowthattheW-Sextractanthasanexcellentextractioneffectonphenolicpollutantsandthechemicaloxygendemandoftheoriginalwastewaterisdecreasedto71%.2,4,6-trichlorophenolwasselectedastargetpollutantanditsequilibriumpropertieswereinvestigatedbyextractionexperiments.Theextractionequilibriummodelof2,4,6-trichlorophenolwasestablishedandthecompositionoftheextractionsystemwasalsodetermined.

References:

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Memo

Memo:

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Common functions

Last Update: 2020-03-15