Citation: | CHEN Lingling, HAN Junwei, QIN Wenqing, Liu Wei. Advances in Comprehensive Utilization of Lead-zinc Smelting Slag[J]. Conservation and Utilization of Mineral Resources, 2021, 41(3): 49-55. doi: 10.13779/j.cnki.issn1001-0076.2021.03.007 |
The lead-zinc smelting industry produces a large increment of waste slag each year and a large historical stockpile. These slags are not only hazardous wastes, but also an important secondary resource. Therefore, the resource treatment of lead-zinc smelting slag has received extensive attention. The article elaborates on the current situation of lead-zinc smelting process in China, the generation and hazards of lead-zinc slag and the technological progress of comprehensive utilization of lead-zinc smelting slag. The research progress on the resource utilization of lead and zinc smelting slag is introduced especially.
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Production chart of annual lead and zinc from 2011 to 2020
Flow chart of traditional sintering roasting-blast furnace lead smelting process
Flow chart of traditional zinc hydrometallurgical process