Effect of Acid Treatment on the Recovery of Valuable Metals from Steel Plant Exhaust

Journal of Basic and Applied Sciences

¹  Zeeshan A. Hameed⁴  Muhammad Shoaib2³  Hira Lal²  Junaid Saleem²  Ahsan Abdul Ghani2³ 

[1] Department of Mechanical Engineering, DHA Suffa University, Karachi, Pakistan;Department of Chemical Engineering, University of Karachi, Karachi, Pakistan;2Department of Chemical Engineering, University of Karachi, Karachi, Pakistan;Department of Quality Assurance, Peoples Steel Mills Ltd., Karachi, Pakistan

关键词: Electric arc furnace dust;    Sulphuric acid;    Leaching;    Sustainable environment;    Zn recovery;   

DOI  :  

学科分类：生物科学（综合）

来源: Lifescience Global

【 摘 要 】

TheresponseofdifferentmetalssuchasZn,Fe,Pb,CrandMnduringleachingofElectricArcFurnace(EAF)dustinacidmediumhasbeeninvestigated.ThemajorproportionofEAFdustconstitutesofthesemetalsandtheirrecoverybymeansofachemicalprocessisnotonlyeconomicalbutalsoimpartspositiveimpactontheenvironment.Theleachingofmetalsfromdustisachievedusingdifferentconcentrationofsulphuricacid,andthedustsampleshavebeencharacterizedbothbeforeandafterleaching.Basedontheresults,severalrecommendationshavebeensuggestedfortheoptimizationofH2SO4concentration,thatleadtothemaximumrecoveryofthesemetals.Undertheoptimizedconditions,ithasbeendeterminedthatthesatisfactoryleachingyieldofZn(95%)canbeobtainedataconcentrationof1M.

【 授权许可】

Unknown