铅渣 meaning in English

lead ash
lead dross
lead skim

Taking the example of china tin gruop co . , ltd hechi metallurgy and chemical industry , the article details the production processes , technology conditions and production practice of removing arsenic from the second caustic sludge and lead from the second lead sludge
摘要文章以华锡集团河池冶金化工厂精炼生产工艺为例，详细介绍了采用二次碱渣进行脱砷，二次铅渣进行脱铅的生产流程、工艺技术条件及生产实践。