电絮凝-Application of the electrocoagulation techniqu

电絮凝-Application of the electrocoagulation technique for treating heavy metals containing wastewater from the pickling process of a billet plant854†Towhomcorrespondenceshouldbeaddressed.E-mail:mali@sc.chula.ac.thKoreanJ.Chem.Eng.,27(3),854-861(2010)DOI:10.1007/s11814-010-0145-3RAPIDCOMMUNICATIONApplicationoftheelectrocoagulationtechniquefortreatingheavymetalscontainingwastewaterfromthepicklingprocessofabilletplantChaloempanPetsriprasit*,JirachayaNamboonmee**,andMaliHunsom*,**,†*DepartmentofChemicalTechnology,FacultyofScience,**CenterforPetroleum,Petrochemicals,andAdvancedMaterials,ChulalongkornUniversity,Bangkok10330,Thailand(Received9March2009•accepted13October2009)Abstract−Thisworkwascarriedouttostudytheremovalofvariousheavymetals,includingCu,Cr,PbandZn,frombilletindustrywastewaterbytheelectrocoagulationprocessinbothbatchandcontinuousexperimentsatala-boratoryscaleandambienttemperature(30oC).Inthebatchexperiment,theeffectofvariousparametersincludingthecurrentdensity,initialwastewaterpH