FeC微电解法处理压裂废水的研究万里平

　　:1000-2634(2003)06-0053-03Fe/C微电解法处理压裂废水的研究万里平1,赵立志1,孟英峰2(1.,610500;2.):首次将Fe/C微电解用于处理混凝后的压裂废水,分别考察了微电解pH值、停留时间、Fe/C体积比、铁屑粒度、氯化铵加量对Fe/C微电解的影响程度,并通过计算确定了铁屑消耗量。实验结果表明,在pH值为2,停留时间取25min,Fe/C体积比为1～1.5,铁屑粒度为60～80目,氯化铵加量为1000mg/L时,经过Fe/C微电解,压裂废水色度去除率接近100%,COD去除率可达58%,处理每方压裂废水消耗铁屑约0.28kg。:废水处理;Fe/C微电解;化学需氧量;去除率:TE392.2　　　　　　　　　:A　,。,,[1-2]。,COD、、。23,,,,,,,Fe/C。23、1。　1　＊　　(mg/L)pHOilSSS2-CODCl-7.3152202.180000.81347552700.59040.312568　　　:23(pH)1　Fe/C,、、、。,。,;。,,,。:(1)(Fe)Fe—2e※Fe2+Eθ(Fe2+/Fe)=-0.44V(2)(C)2H++2e※2[H]※H2　()Eθ(H+/H2)=0.00VO2+4H++4e※2H2O　()Eθ(O2/H2O)=1.22VO2+2H2O+4e※4OH-　()Eθ(O2/OH-　)=0.41V,,,,。,[H]Fe2+,,;,。Fe2+Fe3+,,。25　6　　　　　　　　　　西南石油学院学报　　　　　　　　　Vol.25　No.62003　12　　　　　　　　JournalofSouthwestPetroleumInstitute　　　　　　　　　Dec　2003:2002-11-22:“”(970607)。:(1972-),(),,,。2　Fe/C:Υ60mm×5mm,270mm。60～80,1∶1,。,1%～3%1h。H2SO4NaOHpH,,,,。,COD。2.1　Fe/CpH(COD904mg/L),pH(pHFe2+、,),20min,pHCOD2。2　pHCODpH　　1234567pH　　3.04.55.05.06.06.06.5　　COD/(mg/L)499.0504.0515.3533.4569.5592.0642.0COD/%　44.844.243.041.037.034.529.02,,COD。pH,pH,,,,[H]Fe2+,。,pH,,COD。2,Fe/CpH1～4,COD,40%,,Fe/CpH2。2.2　Fe/C(COD904mg/L),pH2,,,3。3,,COD,25min,100%,COD,3　COD/min101520253040　　COD/(mg/L)630523504478473463COD/%　30.342.144.247.147.748.8,。,,,COD,25min。2.3　Fe/CFe/C,,COD,4。4　Fe/CCODFe/C0.51.01.52.02.5COD/(mg/L)523.4477.0467.0515.0545.0COD/%　42.147.248.343.039.74,Fe/C1～1.5,COD。Fe/C,,,,,COD;Fe/C,,,,COD。,Fe/C1～1.5。2.4　,COD,5。5　COD/20～4040～6060～80100COD/(mg/L)531.5506.0474.6461.0COD/%　41.244.047.549.05[3-4],,。,,,。,54　　　　　　　　　　　　　　　　　　　2003,,,COD。,,,60～80。2.5　,-,[5]。,,,,,COD。1。1　COD1,COD,10%。,COD。,,,,,,COD。,(),,COD。1000mg/L,COD58%。2.6　pH,,:Fe+2H+※Fe2++H2←56　　2X　　0.01　56X=20.01X=0.28g/L,0.28kg。3　Fe/C6。6　Fe/CpHCOD/(mg/L)/(mg/L)SS/(mg/L)53800.5404　(1)Fe/C:pH2,25min,60～80,Fe/C1～1.5,1000mg/L。Fe/C,100%,COD58%,,,。(2)(7～10),,COD,、,。,。(3)pH,,,0.28kg。:[1]　.[M].:,1996.106-139.[2]　,.--[J].,2001,11(4):17-20.[3]　,,.COD[J].,2001,30(6):318-320.[4]　.[J].,1993,19(4):196-199.[5]　,.[J].,2002,22(1):15-18.(编辑　朱和平)556　　　　　　　　　　　:　Fe/Ccrystalsandtheinterconnectionofparaffincrystallineparticles.Thebasicconditionsincludethatmacromoleculessuchasparaf-finorasphalteneorresinformcrystallinenucleuses,paraffincrystallineparticlescontinuouslyformandgrowasincreaseoftheinteractionsbetweentheparaffinmoleculesandcrystallinenucleuses.Theincreaseoftheinteractionsamongparaffincrys-tallineparticlesleadstheparticlestocontacteachotherandbridgetoformthestructure.Tounderstandfullythemecha-nismofstructureformationofwaxycrudeoilsisveryhelpfultoinvestigatethatoftheirpourpointdepressionandviscosityre-duction,andtheimprovingtechnologyoftheirflowabilityatlowertemperature.Keywords:structure;formationofcrystalnucleus;growthofparaffincrystal;interconnectionofparaffincrystallineparticles;waxycrudeoilTREATMENTOFFRACTURINGFLUIDWASTEWATERBYFe/CMICRO-ELECTROLYSISPROCESSWANLi-ping(SouthwestPetroleumInstitute,NanchongSichuan637001,China),ZHAOLi-zhi,MENGYing-feng.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.25,NO.6,53-55,2003(ISSN1000-2634,INCHI-NESE)ThisisthefirsttimethatfracturingfluidwastewateraftercoagulationhasbeentreatedbyFe/Cmicro-electrolysispro-cess,andfourfactors,namelypHvalue,detentiontime,Fe/Cvolumetricratio,grainsizeofscrapiron,doseofammoniumchloride(NH4CI)havebeenstudied.Bycalculation,thecon-sumeofthescrapironhasbeendetermined.Resultsshowthatremovalrateofcolorisnearly100%,removalrateofChemicalOxygenDemand(COD)arrivesat58%,theconsumeofthescrapironis0.28kg/m3,whilepHvalueis2,detentiontimeis25minutes,Fe/Cvolumetricratiois1-1.5,irongrainis60-80mesh,addingcontentofNH4CIis1000mg/L.Keywords:wastewatertreatment;Fe/Cmicro-electrol-ysis;COD;removalrateXP—ANAGILEMETHODSUITABLEFORMIDDLE-OR-SMALLSCALESOFTWARESYSTEMFENGShan(ChengduInstituteofComputerApplication,ChineseAcademyofSciences,ChengduSichuan610041,China),CHENShi-ping,ZENGZhen-bing,etal.JOUR-NALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.25,NO.6,56-60,2003(ISSN1000-2634,INCHINESE)Thegoalofsoftwareengineering(SE)isaimedatsolvingthedevelopmentandmanagementproblemsoflarge-scalesoft-wareprojectsinitsearlyphasestomakethecow-boy-styleprogrammingprocessesintoengineeringoneswithrulesandop-erationalcriteria.However,becauseoftheinherencedrawbacksoftraditionalsoftwareengineering(TSE)models,theincreas-ingrulesandoperationalcriterions,itisnotmettothereallyneedsofthemiddle-or-smallscaleprojects'developingpro-cess.Basedonourexperiencesaccumulatedduringabout14yearsperiodandcombinedwithSDBC-MISpractice,thenewmethodcalledXP(eXtremeProgramming)isdiscussedinitsfeatures,softwareprocessespracticalrulesandapplieddomainscope.ThedifferencesbetweenTSEandXParecontrastedsys-temically.Accordingtothisparallelresearch,XPismoresuit-ablethanTSEwhenappliedtomiddle-or-smallscalesys-tems.Keywords:softwareengineering;eXtremeProgram-ming;agilemethod;traditionalsoftwareengineering;softwaredevelopmentmethodWORKINGPRINCIPLEANDKINEMATICSANALYSISOF7NBMUDBUMPJINXun(SouthwestPetroleumInstitute,NanchongSichuan637001,China),LIUQing-you,HEXia.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.25,NO.6,61-62,2003(ISSN1000-2634,INC