次氯酸钠氧化破解石化工业污泥的工艺条件优化

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