PACT法处理煤制油低浓度含油废水试验研究陈莉荣

PowderedactivatedcarbontreatmentPACTPAC[1]。、。BOD5/COD=0.16PACT、、、[2-7]。PACT。11.1COD172mg·L-1BOD527.5mg·L-1NH3-N24.0mg·L-1SS36mg·L-116.0mg·L-1pH9.3。1.2CODBOD5NH3-NSS。BT05-DG2721FA-1004BpHS-3C。1.32。PACT、pH。1150L22L4L30min10L1.3～1.4L·h-1S02～3mg·L-130d8COD、SS、NH3-N、0.5h10g2h670mL。1PACTFig.1TechnologicalprocessforPACT
 PACT014010PACTCOD、NH3-N、SS、。PACTpH7～7.5HRT16hPAC0.5g·L-1COD、SS、NH3-N、70%～75%、60%～63%、58%～60%、75%～80%PAC。PACTPACX784A1000-3770(2011)[e-mail]3711201111TECHNOLOGYOFWATERTREATMENTVol.37No.11Nov.,201163DOI:10.16796/j.cnki.1000-3770.2011.11.0152CODFig.2HRTvs.removalefficiencyofCOD0246810121416182022020406080100120HRT/hCOD/mgL020406080100
/%5CODFig.5VariationofremovalrateofCODwithtime0510152025302030405060708090
%d3pHCODFig.3pHvs.removalefficiencyofCOD6.06.57.07.58.08.59.09.5020406080100120pHCOD/mgL020406080100
/%4CODFig.4Adsorbentamountvs.removalefficiencyofCOD0.00.20.40.60.81.01.21.41.6020406080100120
/gCOD/mgL020406080100 /%22.12.1.1CODpH72500mL1200mL1200mL30min1.5g20hCODCOD2。216hHRTCOD。HRT16hCODPACHRT16h。2.1.2pHCOD62500mL1200mLpH6.5、7、7.5、8、8.5、91200mL30min1.5g。16h50mLCODpHCOD3。3pH7pH7.5CODCODpH7～7.5。2.1.3COD72500mL1200mLpH71200mL30min0.2、0.5、0.75、1.0、1.3、1.5g16hCODCOD4。4COD1.3gCOD1.3～1.5gPACTCOD26%。2.22.2.13254221COD、SS、NH3-N、5。5PACTCOD、SS、NH3-N、75%、62%、59%、78%371164COD43mg·L-1SS、NH3-N、14、9、3.5mg·L-1PACTCODSS、NH3-N、。2.2.2PACTPACT、。PACT、。3PACTpH7～7.5HRT16hPAC0.5g·L-1COD、SS、NH3-N70%～75%、60%～63%、58%～60%75%～80%。。[1]KIMJS,LEECH.Comparisonofultrafiltrationcharacteistiesbetweenactivatedsludgeandsludge[J].WaterRes.,1998,32(11):3443-3451.[2]CanneyPJ.Proc39thIndWasteConf[C].Bosston:PurdueUnivExtSer.,1984:510-515.[3]NarbaitzRM.PACTTMprocessfortreatmentofkraftmilleffluent[J].WaterScienceandTechnology,1997,35(2-3):283-290.[4].()[M].:,1991:251-261.[5]BurchhardtG,IngramLO.Conversionofxylantoethanolbyethanologenicstrainsofescherichiacoliandklebsiellaoxytocat[J].ApplEnvironMicrobial,1992,58(4):1128-1133.[6].[M].:,1991:212-245.[7],.[J].,1994,2(4):23-27.STUDYONPACTFORTHETREATMENTOFCOAL-TO-LIQUIDSWASTEWATERChenLirong,YangYan,ShangShaopeng（SchoolofEnergyResourcesandEnvironment,InnerMongoliaUniversityofScience&Technology,Baotou014010,China）Abstract:Sincethecoal-to-liquidsproducedlowdensitywastewaterhadcharacteristicofbadbiodegradability,PACTfortreatingtheprocessconditionofcoal-to-liquidswastewaterandtheremovingeffectofCOD,SS,NH3-N,Oilhadbeenstudied.Theresearchresultsshowedthat,PACTtreatingcoal-to-liquidswastewateroptimalprocessconditionswere:pHbetween7～7.5,HRTwas16h,additionPACwas0.5g·L-1,theremovingrateofCOD,SS,NH3-N,Oilwere70%～75%,60%～63%,58%～60%,75%～80%,respectively,theeffluentwaterdensitycouldreachthenationalthefirstclassdischargestandards,afteraddingPAC,thebiodegradableeffectwasstrengthenedandthesubsidenceperformancewasimproved.Keywords：coal-to-liquids;lowdensityoilywastewater;PACT;PACPACT62!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!INDUSTRIALSTUDYONGLUCONICACIDPRODUCTIONBYBIPOLARMEMBRANESJinKeyong,HuJiangeng,JinShuiyu,GaoCongjie（HangzhouWaterTreatmentTechnologyDevelopmentCenter,Hangzhou310012,China）Abstract:Thebipolarmembraneelectrodialyzerwasdesignedtoconvertsodiumgluconatetogluconicacid.Theelectrodialyzerconsistedoftwocells,spacers,domesticbipolarmembrane,cationicexchangemembrane,andetc.Thebestresultswasobtainedat500A·m-2:theconversionrateofsodiumgluconatewasmorethan98%,acidenergyconsumption310kWh·t-1ofacid,andprocesscost500yuan·t-1ofacidwhichwaslessthantraditionalcost600～900yuan·t-1.Thecostcanbefurtherdecreasedbyscaleupproduction.Thistechniquecanimprovethetraditionalprocessespeciallyintheaspectsofenergyconsumption,processcost,environmentalbenignityandproductquality.Keywords：bipolarmembrane;electrodialysis;gluconicacid;ionexchange65