国制革废水处理存在的问题与对策

ProblemsandcountermeasureintannerywastewatertreatmentinChinaX(,210096)WuHaoting,ChenMing,JingJianming(EnvironmentalScienceandEngineeringDepartment,SoutheastUniversity,Nanjing210096)80%,,,G311AAbstractMorethan80%tannerieshavesettedupwastewatertreatmentplants.Duetodifferenttreatingmodeandnonstandarddesignandmanagement,mostoftreatedwatercannotreachtheeffluentstandard.TheproblemsintannerywastewatertreatmentareanalysiedandthecorrespondingcountermeasuresarebroughtforwardinthispaperKeywordstannerywastewatertreatmentcountermeasure1t,,3500t,5000t,15t,2,,,1,,,,,CODS2-NH3-N,,COD50008000mg/L,NH3-N500800mg/L;,S2-400500mg/L,700mg/L;NH3-N1200mg/L;,(GB8978-1996),,CODNH3-N98%,,,,,,,,,,2,,,,,,,,5334520053CHINALEATHERVol.34No.5Mar.2005X:,,1945,,,,,,,,,,,,,;,,,,,,3,,,,,,,,:,,,CAR2ROUSEL,0.08kg/kgd,30h,COD8001000mg/L,100mg/L,BOD51020mg/L1990,,,,,,Ca2+Fe3+,,,,,,4,;,,,,,800,,,;10%,,,23633868kcal/kg(1kcal=411868J),,,,NPK,(GB4284-84):,(Cr)1000mg/kg,600mg/kg,,5,,,,,,,2t/d,20t/d,,,,30005000t/d,,,;,,,,,,,,,,6,80%,,,,,,,,(:2004-12-20)6334