电絮凝-New hybrid electrocoagulation membrane

电絮凝-New hybrid electrocoagulation membraneDesalination201(2006)290–296NewhybridelectrocoagulationmembraneprocessforremovingseleniumfromindustrialwastewaterV.Mavrova,c,S.Stamenovb,E.Todorovab,H.Chmielc,T.ErweaaDepartmentofProcessTechnology,SaarlandUniversity,ImStadtwald47,D-66123Saarbrücken,GermanyTel.+49(681)934-5317;Fax:+49(681)934-5380;email:mavrov@upt.uni-saarland.debUniversityofMiningandGeology,DepartmentofMineralProcessing,1700Sofia,BulgariacInstituteforEnvironmentallyCompatibleProcessTechnology(upt),ImStadtwald47,D-66123Saarbrücken,GermanyReceived7February2006;Accepted22June2006AbstractHighconcentrationsofheavymetalcationssuchasCd,Cu,Zn,PbandFeaswellasheavymetalanionssuchasAsandSearecontainedinthewastewatergeneratedbyindustrialCuproduction.Theconventionaltechnologyfortreatingthiskindofwastewater,whichconsistsoflimeneutralisation/FeCl3coagulationandflocculation,doesnotsatisfytherequirementsfordirectwastewaterdischargewhichspecifythatSeconcentrationshouldbelessthan30µg/l.Theresidua