多段蒸馏对焦化废水COD的分离效果研究张新喜

172016－06－261961—。COD243002。CODSBＲCOD。CODX784A1008－021X201717－0179－03SeparationofCODfromCokingWastewaterbyMultistageDistillationZhangXinxiOuyangYingSchoolofArchitecturalEngineeringAnhuiUniversityofTechnologyMa＇anshan243002ChinaAbstractThecokingtailwaterisrichinsmallandmedium－sizedmoleculesbutcontainslargeamountsoforganiccompoundsbutitcontainsmanybenzeneringswhichisdifficulttodegrade．Itisthemaincomponentoftailwaterwhichisdifficulttoreachthestandard．InthispapertheseparationeffectofCODbymultistagedistillationandammoniadistillationprocesswasstudied．ThebiochemicalperformanceofammoniadistillationwastewaterwascomparedwiththeexistingammoniadistillationprocessbySBＲ．KeywordscokingwastewaterCODmultistagemedium－sizedmoleculesbiochemicalproperties、、、、、、1。。、PAHsCOD。。2COD。COD。CODSBＲ。11．1。。COD5000±500mg/LCOD2500±250mg/L。5000～6000mg/LMLVSS/MLSS0．7。1．21。1．2．3．4．5．6．7．8．11．2．3．SBＲ4．5．6．7．8．9．10．11．12．13．2SBＲ·971·CODDOI:10.19319/j.cnki.issn.1008-021x.2017.17.075SBＲ2。1．5m×2m×1．5m2SBＲφ100mm×1mZYT21。ACO－005AZ8403。。WK－sm30．5m×0．5m×0．5m25±1℃。1．3CODCr3SS3VSS3DOJYD－1A。pHpHs－10A。22．1COD0．1mol/LpH10～11“5%、90%、5%”1000W、、。5。3。3CODCODCOD2500mg/L。CODCODCOD。COD33%～44%COD5%。COD。。。SBＲ。2．2SBＲ2．2．15730mg/L。15%Na2CO3pH6．5～8．2100∶5∶1。24h0．5h、18h4－5、3h、0．5h、2h。80%40。1#100∶5∶1。7COD90%。6000～8000mg/LMLVSS/MLSS0．73COD150～200mg/L。COD4。4·081·SHANDONGCHEMICALINDUSTＲY201746172．2．21#2#COD。552#25%。2#COD9682#。COD93%144～232mg/L1#COD88%224～307mg/L。2#COD1#。31COD。2SBＲCOD93%COD144～232mg/L590mg/L。3、。CODCr。1．D．2014．2．J．2009413－16．3．M．3．1989．4．SBＲJ．2001162－66．5．SBＲJ．2007372－7479．．CODJ．20174617179－181．櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉櫉17711．Ⅰ－J．2005355323－326．12．J．20042615－13．13XiongZChengXSunD．Pretreatmentofheterocyclicpesticidewastewaterusingultrasonic/ozonecombinedprocessJ．EnvironSci201123725－729．14HungHMLingFHHoffmannMＲ．KineticsandmechanismoftheenhancedreductivedegradationofnitrobenzenebyelementalironinthepresenceofultrasoundJ．EnvironSciTechnol2000341758．．194J．20174617175－177181．櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭櫭178。。1．J．20136245－246．2．J．20141136－138．3．J．2010229－33．4J．20051353．．J．20174617178181．·181·COD