CASS工艺城市污水处理厂清洁生产评价指标研究狄倩

CASS*狄倩孙根行郭金鑫路建萍张波浪710021CASS。CASSCASS。。CASSDOI10.13205/j．hjgc．201405031STUDYOFCLEANEＲPＲODUCTIONASSESSMENTINDEXSYSTEMINUＲBANWASTEWATEＲTＲEATMENTPLANTWITHCASSPＲOCESSDiQianSunGenxingGuoJinxinLuJianpingZhangBolangCollegeofNaturalＲesourceandEnvironmentShaanxiUniversityofScience＆TechnologyXi'an710021ChinaAbstractThroughcarryingoutthelifecycleassessmentLCAofurbansewagetreatmentplantswithCASSprocesstheenvironmentalimpactofeachwastewatertreatmentprocesswasidentified．Basedontheresultsassessmentindexesforcleanerproductionimpactingthecleanerproductionlevelwereputforwardtheassessmentindexsystemwaspreliminaryconstructedwhichwascomposedbybothquantitativeandqualitativeevaluationindexes．AndreferredtotheresultsofLCAthedeterminationofsomeindexeswereexplained．Finallysomesuggestionsontheformulationofstandardforurbanwastewatertreatmentplantcleanerproductionwereoffered．KeywordsurbanwastewatertreatmentplantCASSprocesslifecycleassessmentcleanerproductionassessmentindex*2010BJ10-06。2013－06－08。、、、。“”。CASS。LCA1LCACASSCASS。1CASS1.1LCA概述LCA、2。LCA331CleanerProductionEnergy-Saving＆EmissionＲeduction、、、3。LCA、、4。1.2LCA的目的和范围的确定LCACASS。LCA。LCA1。1tCASS。、。1Fig．1BoundaryofLCAsystemformunicipalwastewatertreatmentplant1.3LCA清单分析CASS、CASS、、。、、、、CASS、COD、BOD5、NH3－N、TN、TP、CASS。LCA。CASS、、H2S、NH3、CO2、、5。COD、BOD5、SS、NH3－N、TN、TP10t1。1Table1Waterqualityindexesofinflow-effluentandtheirremovalratemg/LpHBpH7.927.49COD408.530.986092.42%BOD5182.713.922092.38%SS403.914.522096.41%NH3－N12.810.47896.33%TN33.611.492064.58%TP6.70.7189.55%1.4LCA影响分析1.4.1CASS6-80.376kg/kW·h0.1kg/t9-101t2。21tTable2Theenvironmentemissionsofburning1tonstandardcoalkg/tCO2SO2NOXCOHcl330015.88.720.5980.5440.13657.8LCA21t3。NH3、H2S1.00×10－5kgCO2CO2。、。431EnvironmentalEngineering31tTable3Inventoryofenvironmentalemissionfortreatmenton10000twastewater/kg/tCO2SO2NOXCOHCl612.1kW·h0.2302759.663.642.010.140.130.0323.311872.7kW·h0.70413168.5311.126.140.420.380.1040.70Cl263.00kg0.1042343.861.650.910.060.060.016.0243.38kW·h0.016353.790.260.140.010.01—0.940.1205397.651.911.050.070.070.016.96184.82kW·h0.0695229.351.100.610.040.040.014.0215.17t0.003912.870.060.03———0.23PAM10.10kg0.00258.250.040.02———0.140.0759250.471.200.660.050.040.014.391.4.2EB11CASSN、P。、、、。EPACLCDPE12-134CASS15。4PETable4ThePEvaluesinwastewatertreatmentprocessofmainenvironmentalimpactcategoriesPEPEPEPEPECO21.00SO21.00TN0.42CO1.040×10－31CH425.00HCl0.88TP3.60NOx1.270×10－1NOx0.7051tEBTable5EnvironmentalburdenEBoftreating10000twastewater760.415.1600.2623.313171.0315.7500.7840.7397.92.7150.780.136.96250.721.7000.084.392CASS2.1基于LCA结论的清洁生产评价指标分析1CASS＞＞＞。CASS。。2CASS。。3。。4。2.2清洁生产评价指标体系的构成AHP、14-15。CASSCASS、531CleanerProductionEnergy-Saving＆EmissionＲeduction、、、、16-17。《》CASSLCA18CASS2。2CASSFig．2CleanerproductionassessmentindexsystemofurbanwastewatertreatmentplantwithCASSprocess2.3清洁生产评价指标说明2.3.1。CASS、。2.3.2。19。CASSCASS、。2.3.3。COD、BOD5、SS、TN、NH3－N、TP。2.3.4。2.3.5CASS。。。2.3.6、。、、、。31。2LCA631EnvironmentalEngineering6、、、、25。。3、。1．M．201136-42.2PoritoshＲDaisukeNTakahiroOetal．AreviewoflifecycleassessmentLCAonsomefoodproductsJ．JFoodEng2009901-10.3．LCAJ．2002246382-384.4．J．2004245367-372.5．J．2009351247-50.6．J．2010355432-436.7．D．2009.8．M．1993.9．J．2009232109-112.10．J．2005255632-635.11UnitedStatesEnvironmentalProtectionAgency．LifeCycleAssessmentPublicDataSourcesfortheLCAPractitionerS．1995.12．—ICLJ．1999229-32.13．D．2010.14．ADCJ．2011313260-264.15．－J．2009342189-194.16．J．2012324354-357.17．J．2009328176-178.18GB/T20106—2006S．19．D．2004．1989－。[e-mail]1963－櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅。149。、、。2、。3、、。1ASTME2091-11．StandardGuideforUseofActivityandUseLimitaitonsIncludingInstitutionalandEngineeringControlsS.2OHIOEnvironmentalProtectionAgency．VoluntaryactionprogramＲ/OL．Ｒule3745-3300-37091999-06-072011-09-09．http//．dep．state．fl．us/waste/categories/pages/papers．htm.3UnitedStatesGerneralAccountingOffice．SuperfundProgramcurrentstatusandfuturefiscalchallengesEB/OL．2003-07-30/2007-02-14．http//．gao．gov/cgi-bin/getrptGAO-03-850.4JohnQuarlesMichaelSteinbergW．Thesuperfundprogramatits25thanniversaryJ．EnvironmentalLawＲeporter200636510364-10369.5OfficeofSolidWasteandEmergencyＲesponse．TreatmentTechnologiesforSiteCleanupAnnualStatusＲeportＲ．WashingtonDCUnitedStatesEnvironmentalProtectionAgency2004．6USEPA．BrownfieldsfederalprogramsguideEB/OL．2010-07-18．http//epa．gov/brownfields/partners/bf_fed_pr_gd．htm.7．“”J．20033156-162.8．LIQUIDBOOTJ．2013126-28.9．J．200737-11．1976－。[e-mail]1966－。[e-mail]731CleanerProductionEnergy-Saving＆EmissionＲeduction