Recovering of zinc from solid waste bearing sphalerite or zinc ferrite by mechano-chemical extraction in alkaline solution

摘要：

　　This study evaluates the efficiency of using mechanical activation for the extraction of zinc from sphalerite and zinc ferrite in lean zinc ores or EAF dusts in alkaline.The mechano-chemieal leaching is more effective in comparison with the chemical leaching of non-activated samples.It was found that over 82% of Zn can be extracted from lean zinc ores containing sphalerite with lead compound as additive,and over 45% Zn in EAF dusts can be extracted by mechano-chemical leaching when the leaching process is operated in 5 mol/L NaOH solution at 90℃,and Φ5 mm stainless steel ball as activation medium,the mass ratio of ball to raw materials of 30∶1.

关键词： Zinc Sphalerite EAF dust Mechano-chemical leaching Alkaline

作者: Chenglong Zhang Jingwei Wang Jianfeng Bai Youcai Zhao

作者单位: School of Urban Development and Environmental Engineering, Shanghai Second Polytechnic University, S The State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092

会议类型: 国际会议

会议名称: The Seventh International Conference on Waste Management and Technology(第七届固体废物管理与技术国际会议(ICWMT7))

会议地点: 北京

会议语种:英文

页码: 786-790

在线出版日期: 2012-09-05（万方平台首次上网日期，不代表论文的发表时间）