次氯酸钠氧化破解石化工业污泥的工艺条件优化

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32520149PetrochemicalTechnology&ApplicationVol.32No.5Sep.2014444~44712221.7300702.730060NaClO。pH7.6830℃40minNaClO11.5g/LSCOD56.889.23mg/L4143.79750.77mg/LMLSSMLVSS7657.005905.00mg/L4716.002413.00mg/L38.4%。NaClOSCODMLSSX74B1009-0045201405-0444-04、。。1kgBOD515~100L25%~65%1。。NaClO、2。NaClO。、、RNADNA3。NaClO。。NaClO、。NaClO、、pH、NaClO。1①1.1。pH7.68MLSS、MLVSS、SCOD7657.005905.0056.889.23mg/L。1.2NaClO10%、H2SO4、NaOH、、C6H5OH、K2Cr2O7、FeNH42SO42·6H2O、Ag2SO4、HgSO4。①2014-05-132014-06-181988—。。HJ-6ASartoriusPB-10MPC1201ECWF-2408CPT50IXP-205DHG-9140AHeliosalphaTDL-5-ACIS-100。1.3200mL500mLHJ-6ANaClO。1.4100mL5000r/min10minMLSSMLVSS。SCOD。SCOD4-5MLVSSMLVSS4。22.1NaClOpH7.68NaClO5mL30℃NaClO。1NaClO10minSCODMLSSMLVSS40min。40min。1NaClO2.2pHNaClONaClO5mL30℃40minpH1mol/LH2SO410%NaOHNaClO2。2pHNaClO2pH3.0~7.0SCODMLSSMLVSS·544·5.pH7.0。pH7.68pH。2.3NaClOpH7.68NaClO5mL40minNaClO3。3NaClO320~40℃SCODMLSSMLVSS40~50℃60℃SCODMLSSMLVSS。NaClO6。70℃NaClOSCOD675.54139.23mg/L。。30℃。2.4NaClOpH7.6830℃40minNa-ClO4。4NaClO4NaClOSCODMLSSMLVSS10mLSCODMLSSMLVSS。NaClO10mLNaClO11.5g/L。SCODMLSSMLVSS4143.79750.774716.002413.00mg/L38.4%。2.5NaClONaClO5。abcd40。5a724.43μm131.98μm2.88~52.48μm239.88μm38.99μm。5c5d。·644·325NaClO3NaClO。pH7.6830℃40minNaClO11.5g/LSCOD56.889.23mg/L4143.79750.77mg/LMLSSMLVSS7657.005905.00mg/L4716.002413.00mg/L38.4%。NaClO。1.J.201238202-206.2.J.2012651704-1708.3.J.200524491-93.4.M.4.2002211-213.5.J.2005267110-112.6.J.200649828-30.1.-J.20143330-332.2.J.201351-4.3.J.2010439-11.4.J.200925262-64.5.J.200940323-26.6.J.2008417-18.7.J.2005274268-270.8.J.200531323-25.9.CODJ.2003323185-186.451·744·5.20007.6.GB/T17040—2008XS.20086.DeterminationofsulfurcontentinoilbyusingmonochromaticwavelengthdispersiveX-rayfluorescencespectrometryZHANGShun-pengQualityInspectionDepartmentofLanzhouPetrochemicalCompanyPetroChinaLanzhou730060ChinaAbstractThesulfurcontentincrudeoilgasolineanddieseloilwasdeterminedbyusingSINDIE7039typemonochromaticwavelengthdispersiveX-rayfluorescencespectrometeraccordingtoASTMD7039—07asthestandardtheeffectsofoperatingandsampleconditionsondeterminationresultswereanalysedtheaccuracyandprecisionofthemethodwereinvestigatedandthemeasurementresultswerecomparedwiththosebyarbitrationstandardSH/T0689—2000orGB/T17040—2008.Theresultsshowedthatoperatingconditionssuchastestenvi-ronmentsamplecompositionfilmandsampleboxcouldaffectthetestresults.Therelativestandardde-viationsofaccuracydeterminationwerelessthan1.7%therelativestandarddeviationsofprecisiondeterminationsof90#gasoline0#dieselandcrudeoilsampleswerelessthan1.4%dieselrecoveryofstandardadditionwas93.6%-104.6%.Theabovementionedresultswereconsistentwiththosebycor-respondingarbitrationstandardsrespectivelyandcouldmeetASTMD7039—07standard.Keywordsmonochromaticwavelengthdisper-sionX-rayfluorescencespectrometercrudeoilgasolinedieselsulfurcontentaccuracyprecision447OptimizationofprocessconditionofpetrochemicalindustrialsludgedisintegrationbysodiumhypochloriteoxidationWANGQiang1LIUFa-qiang2LIUGuang-li2WANGXiao-xiong21.InstituteofEnvironmentalandMunicipalEngineeringLanzhouJiaotongUniversityLanzhou730070China2.LanzhouPetrochemicalResearchCenterPetroChinaLanzhou730060ChinaAbstractPetrochemicalindustrialsludgewasdisintegratedbysodiumhypochloriteoxidationandtheeffectofoxidationconditionsonsludgedisinte-grationwasinvestigated.TheresultsshowedthattheoptimumconditionsweretheinitialpHvalueofsludge7.68reactiontemperature30℃reactiontime40minthedosageofsodiumhypochloritemassconcentrationinsludge11.5g/L.UndertheseconditionsthemassconcentrationofsolublechemicaloxygendemandSCODandpolysaccha-rideinthesludgeincreasedfrom56.889.23mg/Lto4143.79750.77mg/LrespectivelyandthemassconcentrationsofsuspendedsolidsMLSSandvolatilesuspendedsolidsMLVSSdecreasedfrom7657.005905.00mg/Lto4716.002413.00mg/Lrespectivelythesludgereductionratewas38.4%.Keywordspetrochemicalindustrialsludgesodi-umhypochloriteNaClOoxidativecrackingpoly-saccharidesolublechemicaloxygendemandSCODmixedliquidsuspendedsolidsMLSSsludgereduction·154·5.X

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