废水提标深度处理方法对比研究

47620186AppliedChemicalIndustryVol．47No．6Jun．20182017-09-142017-10-091995－。[e-mail]12211．4300722．433132COD50mg/L、、Fenton、COD80～100mg/L。5。5mA/cm25mm15minCOD48．84mg/LFenton。CODTQ09X703A1671－3206201806－1223－04ＲesearchonthecomparisonofdifferentmethodsfortheadvancedtreatmentofthewastewaterfordischargeCHENPan1LIUYuan2LUOYun-bai2YUPing11．ChemistryandMolecularSciencesWuhanUniversityWuhan430072China2．Jin’aoTechnologyHubeiChemicalCo．Ltd．Qianjiang433132ChinaAbstractBasedontheupgradednationaldischargestandardofthevalueofCODshouldbelessthan50mg/LseveralmethodsincludingflocculationadsorptionFentonoxidationelectrocoagulationandelec-trochemicaloxidationhadbeenadoptedfortheadvancedtreatmentofthewastewaterofwhichtheCODisbetween80～100mg/L．Theresultsshowthataftertreatmentoftheabovemethodsthewastewaterallcanreachthedischargestandard．Thedosageofflocculationandadsorptionislargewhichmaycausetheprob-lemofsludgeincreaseandadsorbentregeneration．TheelectrochemicaloxidationmethodcanreducetheCODto48．84mg/Lwhenthecurrentdensityis5mA/cm2theelectrodespaceis5mmandthereactiontimeis15min．ThemethodofelectrochemicaloxidationhasadvantagesoverelectrocoagulationandFentonoxidationitisanefficientandpracticalmethodfortheupgradedtreatmentofwastewater．KeywordsrefinerywastewaterdischargestandardadvancedtreatmentCODmethodscomparison2008COD1。COD50mg/L。、、2。。、、Fenton、53。11．1COD80～100mg/L2．14～2．50mg/LpH6．65～7．131551～1586μS/cm、30%、、、、、、、2mm30。UV-1700PHS-3CpHDＲB200ＲXN-3050JJ-4THZ-82A。DOI:10.16581/j.cnki.issn1671-3206.20180330.004471．21．2．1。1000mL200r/min2min60r/min8min30minCOD4。1．2．2。250mL100r/minCOD。1．2．3Fenton250mL10%pHFe2+H2O2COD5。1．2．4250mL/30minCOD。1．2．5250mLTi/SnO2-Sb2O5/PbO2COD6。1．3COD7。22．12．1．11000mL100mg/LPAC、PAFC、PSAF、PAMCOD1。1CODTable1TheeffectsoftypesofcoagulantsontheCODremovalrateCOD/%PAC18．89PAFC25．15PSAF14．78PAM13．181PAFCCODPAFC。2．1．21000mL5075100125150175mg/LPAFCCOD1。1CODPAFC125mg/L125mg/L。PAFC125mg/L。1CODFig．1TheeffectsofflocculationagentdosageontheCODremovalrate2．1．3。2hCOD2h。2hCOD49．4mg/L38．24%。2．22．2．1250mL1246810g/L2mm25℃1hCOD2。2CODFig．2TheeffectsofadsorbentdosageontheCODremovalrate2COD4g/LCOD54．11mg/L。4g/L。CODCOD。4g/L。2．2．2250mL4g/L2025303540℃1hCOD。25℃COD。25℃COD51．34mg/L。2．2．3。COD42216。。1．5hCOD48．26mg/L38．56%。2．3Fenton2．3．1Fe2+250mL1020304050mg/LFe2+H2O250mg/L1hCOD。CODFe2+＞30mg/L。Fe2+H2O2·OHFe2+·OH8。Fe2+30mg/LCOD51．23mg/L。2．3．2H2O2250mL30mg/LFe2+255075100125150mg/LH2O21hCOD。H2O2COD。H2O2FentonCODH2O2CODH2O250mg/LCOD37．89%。2．3．33。3CODFig．3TheeffectsofreactiontimeontheCODremovalrate3COD2hCODCOD2hFenton。2h。COD38．9mg/L51．38%。2．42．4．1250mL10mm510152025mA/cm230minCOD。COD。。15mA/cm2COD50．08mg/LCOD55．28mg/L。2．4．2250mL15mA/cm2510152025mm30minCOD。COD。Al3+/Fe2+9。15mmCOD47．59mg/LCOD51．68mg/L。2．4．34。4CODFig．4TheeffectsofelectrolysistimeontheCODremovalrate4COD。COD。30minCOD47．59mg/L40minCOD49．69mg/L。2．52．5．1250mL5mm510152025mA/cm220minCOD。COD。·OH10。。5mA/cm2COD45．99mg/L。5mA/cm2。2．5．2250mL5mA/cm2510152025mm20minCOD。11。5221475mm。COD45．99mg/L。2．5．35。5CODFig．5TheeffectsofelectrolysistimeontheCODremovalrate5COD15minCOD48．84mg/L38．95%15min。2．6。2。2Table2ComparisonofthecharacteristicsofwastewatertreatmentbydifferentmethodsFentonFe2+H2O231Fenton、、Fenton。2Ti/SnO2-Sb2O5/PbO210mA/cm25mm15minCOD。1．J．2008653-55．2．J．2017356-58．3．J．2010742-45．4．J．20091217-19．5．FentonJ．2008127-30．6ShanLiliLiuJunfengJohnJAmbuchietal．Investiga-tionondecolorizationofbiologicallypretreatedcellulosicethanolwastewaterbyelectrochemicalmethodJ．Chemi-calEngineeringJournal2017323455-464．7．HJ/T3992007S．2007．8．FentonJ．201572597-2603．9．J．20121211-16．10．D．2005．11．J．2016555-59．12223QiushengHUZhouG．TheresearchonimprovementoflowtemperaturestabilityfordiatomitemodifiedasphaltmixturewithPEparticlesJ．InternationalJournalofEn-gineeringＲesearch＆Applications2015511-5．4AmeriMMansourianASheikhmotevaliAH．LaboratoryevaluationofethylenevinylacetatemodifiedbitumensandmixturesbaseduponperformancerelatedparametersJ．Construction＆BuildingMaterials201340438-447．5．J．20164722206-2211．6．SBSD．2015．7XiangLLiZChengJ．ConstructionasphaltpreparedbychemicaltreatmentofdeoiledasphaltJ．PetroleumSci-ence＆Technology20163410920-926．8．J．20016104-106．9．J．2006246477-480．10．SBS70J．2015337-41．11．J．199929109-12．12ZhangQSunHHGengJG．Chemicaleffectsofenviron-mentalfactorsonasphaltagingJ．AdvancedMaterialsＲe-search2011243/244/245/246/247/248/2491067-1071．6221