Fenton试剂处理压裂废液氧化降粘研究张玉芬

Fenton张玉芬1　孙　健2(1.中国石油大学(华东)重质油加工国家重点实验　2.中石化胜利油田有限公司物资供应处)　　　　化学絮凝法对油井作业废液的处理过程中,絮凝剂对悬浮物与石油类的脱除效果随污水粘度增大而降低,利用Fenton试剂对污水中高分子添加剂进行氧化,可有效降低作业废液的粘度。在一定范围内,增大FeSO4浓度明显提高了Fenton试剂的氧化降粘处理能力。对氧化降粘的反应数据进行拟合的结果表明,Fenton试剂氧化降粘的反应级数为一级,拟合系数0.98以上。　Fenton试剂　氧化降粘　作业废液　粘度　絮凝　　,、、,,:15,;,,;,,,。,、。1　试验药品、仪器与测定方法1.1　FeSO4;H2O230%。GRJ-11、FP-II、SB-1、SL-P、。1.2　　NDJ-7、、HI8424pH、。1.3　1。1　GB/T11901-1989GB/T16488-1996　pHGB/T6920-19872　试验部分2.1　25L140kgGRJ-11、70kgSB-1、70kgSL-P、70kgFP-II50kg,,。2.2　—,0、10%、20%、30%、40%60%,pH7.0。,10min,10min,。2.3　(1)H2O2,10min,。(2)H2O2(0.30%)FeSO4,10min,。(3)H2O2+Fe-SO4,H2O2+FeSO40.03%+0.01%0.03%+0.05%,。3　试验结果与分析3.1　,。,493　　　　　　　　　　　　　　　　　　　　　第35卷　第6期　　　　　　　　　　CHEMICALENGINEERINGOFOILGAS,,,[1]。,30min,,(),,3mPas,10%。,,。3.2　H2O2、Fenton(H2O2/FeSO4)1、2。,FentonH2O2,0～0.2%,FeSO4,FeSO40.2%,1.3～1.5mPas。FentonFe2+H2O2,OH,JesephFenton[2-7]:H2O2+Fe2+OH+Fe3++OH-(1)Fe2++OHFe3++OH-(2)OH,OH(2)。H、C-C,OH。OH2.8V[2],HO-2O-2,OH。Fenton,Fe2+,H2O2[8]。Fe2+,H2O2;Fe2+,(1),,,;Fe2+,OHOH-,。Fenton,H2O2FeSO4,。Fenton3。Fenton,,;,,。,FeSO4,,Fenton。Fentonm[3-4]:dCdt=-kCm(3):C,k。,:C=aη+b(4)η,(3)C(5):dηdt=-΢mi=0kiηi(5)494Fenton　　　　　　　　　　　　　　2006　2　Fenton(m)(R2)　η=-0.059t+11.9020.7681　η=6.770e-0.0593t+7.8280.9838　η=10.0265t-0.0328+7.4330.9624　η=10.0123t-0.0814+6.8670.9515H2O20.03%、FeSO40.01%,Fenton2。,,0.98,Fenton。4　结　论(1),,。(2)H2O2/FeSO4FentonH2O2。(3),FeSO4,Fenton。(4)H2O20.03%FeSO40.01%,Fenton。1　,.[J].,2002,19(4):387～3902　JosephJ.Pignatello.DarkandphotoassistedFe3+-CatalyzedDegrada-tionofChlorophenoxyHerbicidesbyHydrogenPeroxide[J].Environ.Sc.iTechno.l1999,26(5):944～9513　　,　.Fenton[J].,2002,24(2):35～394　　,　.Fenton[J].,2002,17(3):1～45　　,.PEG[J].,2003,29(1):38～406　,.Fenton[J].(),2002,24(4):326～3287　,　.FentonOH[J].,2002,18(6):460～4628　YoonJ,LeeY.InvestigationoftheReactionPathwayofOHRadicalsProducedbyFentonOxidationintheConditionsofWastewaterTreatment[J].WaterSc.iTechno.l2001,44(5):15～21:(1977～),,(),。:2006-03-28;:2006-05-10;:1　(/)　　　,%200520062010201120152005～20102010～20156506607037117361.60.9238324292627267828962.02.0305330823199322133110.90.7*322334024214443353985.55.1433144825146531260363.53.213640140561588816354183776.652×108t/a6.855×108t/a7.748×108t/a7.976×108t/a8.962×108t/a3.13.0　　*不包括日本,包括澳大利亚和新西兰。2　15PPM(/)　　,%200520062010201120152005～20102010～2015--703711736-0.923897226272678289661.62.0529524847322133119.931.3*---508812---2214754841358-23.476717174652760291133741×104t/a8374×104t/a2.27×108t/a3.71×108t/a4.44×108t/a43.414.4　　*不包括日本,包括澳大利亚和新西兰。　摘自PERPReport,2003.12495　　　　　　　　　　　　　　　　　　　　　第35卷　第6期　　　　　　　　　　CHEMICALENGINEERINGOFOILGASularStructureofResiduesHouCaili1,WangShaojun2,MaBo1,etal(1.Lia-oningUniversityofPetroleumChemicaltechnology;2.FushunResearchInstitutionofPetroleumPetrochemi-cals).CHEMICALENGINEERINGOFOILGAS,VOL.35,NO.6,pp484～488,2006(ISSN1007-3426,INCHINESE)Abstract:Theseparationandanalysistechniquesofresidualoilsinrecenttenyearswerereviewedinthepa-per,andthemacrostructureandmicrostructureresearchmethodsofresiduegroupcompositionwerealsointro-duced.Themechanism,characteristicandapplicationrangeofthesemethodswerediscussedindetai.lModernanalysisdeterminationtechniques,suchasspectrummethodandchromatography,combinedwithstoichiometryhadprovidedaseriesofnewmethodsforresearchingresi-duecomposition.Meanwhilemassspectrum,selectivelychemicaldegradationtechniqueandpyrogenationweremakinggreatbreakthroughintheresearchofresiduemo-lecularstructure.Thedataobtainedfromeachtechniqueyieldsdifferentinformation,andtheeffectivecombinationofthepresentavailabletechniquescanprovidemoreuse-fulinformation.Keywords:residue,separation,groupcomposition,hydrocarbon,heteroatom-richcompoundsSmiulatingSafetyDesignofBurstingDiscforVentingofGasExplosionWangZhirong,PanYong,YanJianjun,etal(Col-legeofUrbanConstructionandSafetyEnvironmentalEngineering,NanjingUniversityofTechnology).CHEM-ICALENGINEERINGOFOILGAS,VOL.35,NO.6,pp489～492,2006(ISSN1007-3426,INCHINESE)Abstract:Asimulatingsafetydesignofburstingdiscforventingofgasexplosionisproposedbecausenouniformstandardcanbeusedforchemicalequipmentpresently.Basedonthephysicalandmathematicalmod-els,numericalsimulationcanbeusedtodescribethegasexplosionprocessinchemicalinstallation.Theventingareaandburstingpressurecanbeobtainedbyiterativecalculation.Themethodcancalculatethesafetydesignparametersforburstingdiscindifferentinitialconditionsaccuratelybasedonthesimulationanalysis.Anditcano-vercomethelimitationoftraditionalexperiencedsafetydesignwhichisanewmethodforburstingdiscsubjectedtogasexplosionloading.Keywords:gasexplosion,burstingdisc,safetyde-sign,simulationanalysisStudyonOxidizingReductionofViscositywithFen-tonReagentZhangYufen1,SunJian2(1.StateKeyLaboratoryofHeavyOilProcessing,ChinaUniversityofPetroleum,Shandong;2.GoodsandMaterialsSupplyDivision,ShengliOilfieldLtd.SinoPec,Shandong).CHEMICALENGINEERINGOFOILGAS,VOL.35,NO.6,pp493～495,2006(ISSN1007-3426,INCHINESE)Abstract:Thetreatingresultofsuspendedsubstanceandpetroleumoilwithflocculantswasinfluencedbytheviscosityoffracturingwastewaterfromoilwel.lFentonre-agentreducedtheviscos