电絮凝技术处理高盐废水的研究进展王思宁

35120182JOURNALOFNATURALSCIENCEOFHEILONGJIANGUNIVERSITYVol.35No.1February2018DOI10．13482/j．issn1001-7011．2017．10．122http//hdzrxb．cbpt．cnki．net20[e-mail][e-mail]．J．201835172－78．150090、。。。、。X703．1A1001－7011201801－0072－07ResearchandapplicationofelectrocoagulationforhighsalinitywastewatertreatmentWANGSiningDINGJingZHAOQingliangHUANGHuibinYUANYixingStateKeyLaboratoryofUrbanWaterResourceandEnvironmentSchoolofEnvironmentHarbinInstituteofTechnologyHarbin150090ChinaAbstractDuetoitsinhibitoryeffectonmicroorganismgrowthhighsalinitywastewaterwasdifficulttomeetthedisposalrequirementbyconventionalbiologicaltreatment．Electrocoagulationwithadvantagesofhighremovalefficiencysimpleoperationandsmallsizehasattractedgreatattentionofresearchers．Highsalinityinwastewatercouldreducetheelectricconsumptionwithapplicationofelectrocoagulation．Thiswastewatertreatmentcouldbecarriedoutwithalowcost．Thusresearchandapplicationofelectro-coagulationinhighsalinitywastewatertreatmentgraduallyincreased．Theprincipleandcharacteristicsofelectrocoagulationwereintroducedandtheapplicationswereelaboratedtocovermarineaquaculturewastewaterlandfillleachateanddyeingwastewater．Keywordshighsalinitywastewaterelectrocoagulationwastewatertreatment0。5%12%2。。。3．5%TDS。、、、3。、。。Lefebvre24。1、、Al、Fe。、。、、、5。。1Fig．1Schematicdiagramofelectrocoagulation1．1、。、、61。、、、、、、、、。6。Al－3e－→Al3+Al3++3OH－→AlOH3Al3++3H2O→AlOH3+3H+Fe－2e－→Fe2+Fe－3e－→Fe3+Fe2++2OH－→FeOH2Fe3++3OH－→FeOH34Fe2++10H2O+O2→4FeOH3+8H+2H2O+2e－→H2+2OH－1．2pH、、、。。·37·11．2．1pHpH。pH。pH7。Vasudevan80．2A·dm－2pHpH7．098．2%。pHpH。1．2．2。。Heidmann101．0～3．0A0．05～0．1A。8。1．2．311。Vasudevan8。Eyvaz12COD10min15minCOD50%80%COD。1．2．4。、13。5。。1．2．5。。Akbal14、、、100%。15－。、、16。1．3、、、、、。、17、。6。18。7。17。。2。。、·47·35。1。1Table1Examplesofthecharacteristicandelectrocoagulationtreatmentontypicalhigh-salinitywastewaterpH8．530g·L－10．3～0．6g·L－190%220．2%0．3～0．6g·L－195%21pH7．19～8．423．5%COD2．11～5．25mg·L－189．9%COD68．1%87．0%93．8%23pH8．175．57g·L－1COD10000mg·L－1、、70%、37%62%25pH6～83A·mm－2COD8000～10000mg·L－1COD65．4%26pH7．6～8．912．15～13．55ms·cm－1COD28200～34200mg·L－1COD、、70%、24%、56%60%68%、15%、28%16%27pH6．4～7．32319mg·L－1COD2566mg·L－1COD49．8%38．6%28pH8293g·L－1COD260O2mg·L－1COD56%5NTU80%40%29pH6～92．4ms·cm－1COD2500mg·L－1200mg·L－1COD85%～95%32pH7．424VCOD2937．6mg·L－199%COD70%332．119。、、、、、、、、20。1V21。Vandamme22、30min、150r·min－190%1～2。21－0．1%95%。23、COD、0．063～0．077kW·h·t－1。2．2、、·57·1。、、、。24。、。Mussa2510V、5．57g·L－1120min、、70%、37%62%230Wh·L－1。26、20mm、pH6～8、3A·mm－2COD65．4%。Bouhezila27OUEDSMAR125～500A·m－2、2．8cm、150r·minCOD、、70%、24%、56%60%68%、15%、28%16%。Al0．022kWh·L－10．54US$·m－3Fe0．019kWh·L－10．47US$·m－3。Li284．96mA·cm－2、pH、2319mg·L－1、90min、FeCOD49．8%38．6%。Ricordel292cm、、95A·m－2210minCOD56%5NTU80%40%COD135Wh·kg－1COD。、。2．3、、、、、、。、、、、、、30。。、31。Merzouk32pH6～9COD2500mg·L－1200mg·L－114min31．25mA·cm－22．4ms·cm－11cmCOD85%～95%3．82～5．73kWh·kg－1COD。3424V、35minCOD99%70%。Ashtoukhy3368%87%。33．1。35。36。、、。。14。3．2、。·67·35、37。38。39、。3．3。。Boroski40COD1753mg·L－1160mg·L－1TiO250mg·L－1。Zhu41。Yetilmezso42UASB、pH5．0、15mA·cm－2、20minUASB90%COD92%2．6kwh·g－1COD。、、、。、43。4。。、、。1CUIYPENGCPENGYetal．EffectsofsaltonmicrobialpopulationsandtreatmentperformanceinpurifyingsalinesewageusingtheMUCTprocessJ．Clean-SoilAirWater2009378649－656．2LEFEBVREOMOLETTAR．TreatmentoforganicpollutioninindustrialsalinewastewateraliteraturereviewJ．WaterResearch200640203671－3682．3．J．2014332493－497．4．D．2012．5．J．201638333－37．6．J．20153459－15．7KHANDEGARVSAROHAAK．Electrocoagulationforthetreatmentoftextileindustryeffluent-areviewJ．JournalofEnvironmentalManage-ment2013128949－963．8VASUDEVANSLAKSHMIJPACKIYAMM．ElectrocoagulationstudiesonremovalofcadmiumusingmagnesiumelectrodeJ．JournalofAppliedElectrochemistry201040112023－2032．9．J．20144415－420．10HEIDMANNICALMANOW．RemovalofCrVIfrommodelwastewatersbyelectrocoagulationwithFeelectrodesJ．SeparationandPurificationTechnology200861115－21．11NARAYANANNVGANESANM．UseofadsorptionusinggranularactivatedcarbonGACfortheenhancementofremovalofchromiumfromsyn-theticwastewaterbyelectrocoagulationJ．JournalofHazardousMaterials20091611575－580．12EYVAZM．TreatmentofbrewerywastewaterwithelectrocoagulationimprovingtheprocessperformancebyusingalternatingpulsecurrentJ．In-·77·1ternationalJournalofElectrochemicalScience20161164988－5008．13JIMENEZIZQUIERDOCCANIZARESPRODRIGOMAetal．EffectofthenatureofthesupportingelectrolyteonthetreatmentofsolubleoilsbyelectrocoagulationJ．Desalination20102551－315－20．14AKBALFCAMCIS．CopperchromiumandnickelremovalfrommetalplatingwastewaterbyelectrocoagulationJ．Desalination20112691－3214－222．15．－ⅥJ．20071051－54．16．D．2005．17MOLLAHMMORKVOSKYPGOMESJetal．FundamentalspresentandfutureperspectivesofelectrocoagulationJ．JournalofHazardousMaterials20041141－3199－210．18．J．2009138－40．19．SBRSBBRD．2014．20．J．20133106－108．21．－J．2010740－42．22VANDAMMEDPONTESSCVGOIRISKetal．Evaluationofelectro-coagulation-flocculationforharvestingmarineandfreshwatermicroalgaeJ．BiotechnologyandBioengineering2011108102320－2329．23．D．2010．24．－Fenton－BAFROD．2015．25MUSSAZHOTHMAN