合成化工高盐废水的零排放工艺设计及研究余海晨

*1321323131．3001912．3003843．300191。Cu2+MVR≥30%。。MVRTDS≤50mg/L。MVRROX703．1AK130881002－1264201301－0044－03DesignandStudyonZeroEmissionTechnologyforHighSalineWastewaterofSyntheticChemicalIndustryYUHai-chen13ZHONGPei-wen2GAOWei13HUHan2ZHAOJian-quan3ZENGMeng131．TianjinAcademyofEnvironmentalSciencesTianjin300191China2．SchoolofEnvironmentalScienceandSafetyEngineeringTianjinUniversityofTechnologyTianjin300384China3．TianjinUnitedEnvironmentalProtectionEngineeringDesignCo．Ltd．Tianjin300191ChinaAbstractZero－emissiontreatmentprocessfortheammoniumnitratewastewaterfromasyntheticchemicalfactorywasdesigned．InapretreatmentsectiontheheavymetalironCu2+inthewastewaterwasremovedthroughflocculationsedimentationandfiltration．AfterthatthewastewaterwasconcentratedwithamechanicalvaporrecompressionMVRsystem．Withfurthertreatmentthroughamembranefiltrationsystemthecondensedwaterwasreusedintheproductionprocedureofthefactory．Theremainingconcentratedwastewatercouldreachanammoniumnitrateconcentrationofabove30%andcouldbeusedastherawmaterialforfertilizerproduction．KeywordshighsalinewastewaterofsyntheticchemicalindustrymechanicalvaporrecompressionMVRreverseosmosisROzeroemission、、、。NaCl、Na2SO4、Na2CO3。1。。、、“”。“”、3RReduceReuseRecycle、2。“”2070“”、。、。11．1、。Cu2+54．3mg/LNH+4－N5．75×103mg/LNO－3－N7．52×103mg/LTDS3．02×104mg/LTOC114mg/LpH8。4426120132URBANENVIRONMENT＆URBANECOLOGYVol．26No．1Feb．2013*NSFC－511783112012－11－302013－01－231．2。。TOC。。MVR。MVR3、4。。MVR。Na2SCuSMVR。30%。MVRRO5RO。1。122．1、、154．3mg/L、51．7mg/L0．21mg/L2。12。2．2MVRMVR0．7t/h0．5～0．6t/h。。MVR4T1、T2、T3T4。220。T02。2MVRTDS2。T2T34～5℃。T3T4T3T4。T0T0T15410。2．3ROMVRRO、TDS735mg/L、49mg/L1．52×103mg/L。TDSRO93．3%。RO。2．42012461t/h11MVRMVRROTDSmg/L3．02×1043．52×1043．05×10573549Cu2+mg/L54．3NH+4－Nmg/L5．75×1035．82×1035．34×1041288．5pH88．55．2981MVRMVRROTDSNH+4－N。MVR32kW17．5kW49．5kW40。31“++MVR+RO”。。2。3CuS。4。1．J．200422215－17．2．———M．200325－35．3．J．200928S1358－360．4．J．200829101197－1203．5．J．200317645－47．1978－19檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭檭。··《》《2012》《》。《》20110．79320121．19263201127201214。28．57%20111．9420123．6990．21%。《》。《》《》。《》“RCCSEA－”。《》、。《》642612013