274Vol.27,No.4200708JournalofHangzhouDianziUniversityAug.2007,(,310018):2007-06-28:(1982-),,,,.:,,,,,,,:;;;:X703.1:A:1001-9146(2007)04-0073-040([1]),,,[2],,,,,,:;,,,(--),,,[3]11.1[4]:(1),;(2);(3),COD()1.2-1.2.1,,,,,,,[5],:180mg/L1.2.2pHpH[56]:pH611,,pH611,[6]22.1,(1),,(2),,,,(3),2.2,,1;1(m3)CODCr(mg/L)(mg/L)pH120104003678,:300T;CODcr300mg/L;GB8978-1996[7]22CODCr(mg/L)BOD5(mg/L)(mg/L)pH1003010692.32.3.1,-472007,,,112.3.2(1),,,,,,,,,,,,(2),pH,,(PAM),,,,I,,pH,(3),,pH,[8],,,,,,,2.3.3,,CODcr:7000mg/L;574:,35mg/L,COD210mg/L;,0.5mg/L,COD100mg/L,SS50mg/LGB8978-19963/vvv,,,,,,;,:[1],.[J].,2002,4(1):104108.[2].[J].,2004,10(3):911.[3],,,.[J].,2005,33(5):14.[4].[J].,2000,21(2):2729.[5],.[J].,2003,23(1):5557.[6],.[J].,2003,(6):911.[7],,,.[M].:,2003:481494.[8],.[M].:,2004:122125.TreatmentofOilyWastewaterfromMetalSurfaceHeatingTreatmentWANGGang,WUWei2hong(SchoolofMechanicalEngineering,HangzhouDianziUniversity,HangzhouZhejiang310018,china)Abstract:Alongwiththeindustrydevelopment,largeoilenteredintothewaterbodyasaresultoftechnicallimitandbackwardmanagement.Moreandmoreattentionwaspaidtoeconomicalandsimplewatertreatmenttechnology.Theobjectiveofthispaperwastodeterminethebesteffectofflocculentprecipitatebylaboratoryresearchofoilwastewaterobtainedfromthemetalsurfaceheatprocessing,anddesignwastewatertreatmentprocessaccordingtothetestresult.Thisprogresshassomeadvantages,includingcommonplace,lowdosageandgoodeconomicreturns.Keywords:oilywastewater;electroplatingpotchwastewater;flocculationprecipitation;Coagulant672007