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242005年12月油气田环境保护油气田环境保护第15卷第4期25262005年12月油气田环境保护Ø油气田环境保护第15卷第4期27Ø·59·factorsanalysis,includingair,water,soil,noise.ItispointedthatGISisafavorabletechnologytostudythecooperationeffectivenessofenvironmentalsubsystem.KEYWORDgeographicalinformationsystem;environmentalprotection;cooperationeffectiveness;technicalapplicationInvestigationofDecentralizedWastewaterTreatmentTechnology(24)WangJunruYangJianCollegeofEnvironmentalScienceandEngineering,TongjiUniversityABSTRACTThedecentralizedwastewatertreatmenttechnologyiswidelyusedinsomeareasofChina.Thistechnologycansavetheinvestment,reducetheenergyconsumption,maintaintheecologicalbalanceandpromotetheimplementationofthesustainabledevelopmentstrategy.Accordingtotheactualconditionsofourcountry,theintegrativetreatmenttechnologyofdecentralizedmethodandthecentralizedmethodissuitableforenhancingenvironmentalprotectionandrealizingsustainabledevelopment.Inthispaper,theconceptandadvantagesofthedecentralizedwastewatertreatmenttechnologyarerecommended,andseveralkindsofmaintechnologicalformsaresummarized.Thedevelopmenttrendsofthewastewatertreatmenttechnologyareforecasted,andthedevelopmentstrategyisbroughtforward.KEYWORDSwastewatertreatmenttechnology;decentralizedtreatmentmethod;centralizedtreatmentmethod;energyconsumption;ecologicalbalance;environmentalprotectionDegradationofPolyacrylamideUsingHigh-EfficiencyCompoundMicroorganism(28)ZhangYingjunWeiNaLiFengkaiGuoYi(TianjinIndustrialMicro-BiologyInstitute)ABSTRACTThepolyacrylamidePAMwidelyusedinmanyfields,suchasoilexploitation,waterpurified,papermaking,pharmacyandagriculture,isharmfultoenvironmentbecauseofharddegradationinnature.Theacrylamideproducedfrompolyacrylamidedegradationisharmfultonervoussystemofhumanbody.Thepolyacrylamidesolutioncanbeseparatedfromsoilandwaterpollutedbypolyacrylamidedegradationbyusingakindofhigh-efficiencycompoundmicroorganism.ThepolyacrylamidedegradationratecanbeimprovedbyaddingnutritionfluidintoPAMsolution.Theacrylamideproducedfrompolyacrylamidedegradationcanbedegradedwiththeviscositydeclineofpolyacrylamidesolution.Themicroorganismhasnosecondarypollutionforenvironment.KEYWORDcompoundmicro-organism;polyacrylamide;degradation;environmentalprotectionExperimentalStudyonPerformanceofBisquaternaryAmmoniumSalt(32)MeiPing1DuanMingfeng1,2YuanGu3(1.CollageofChemicalandEnvironmentalEngineering,YangtzeUniversity;2.DownholeServiceofSichuanPetroleumAdministration;3.CollegeofChemistryandMolecularEngineering,PekingUniversity)ABSTRACTTheN,N-dimethyldodecylamineand1,4-dibromobutaneweretakenastherawmaterialtosynthesizethebisquaternaryammoniumsalt(BQAS).Thesterilizingperformanceandcorrosioninhibitingperformanceofbisquaternaryammoniumsaltwerecomparedwiththeperformanceof1227.TheresultshowsthatthesterilizingandcorrosioninhibitingperformancesofBQASarebetterthantheperformancesof1227.Thesterilizingandcorrosioninhibitingmechanismsofbisquaternaryammoniumsaltareintroduced.