铅银渣中选择性提锌及配碳比对ZnO形貌和吸波性能的影响

doi:10.11896/cldb.24030125

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Abstract Lead-silver slag is highly valued due to its rich content of various valuable metal elements, and its comprehensive utilization has become a research focus. This study aims to recover zinc from lead-silver slag through a reduction-smelting process and explore the influence of thermal conditions and carbon ratio of the selective recovery of zinc on the morphology and absorption performance of recovered ZnO. The results show that by controlling the reduction temperature at 1 050 ℃, zinc can be selectively recovered, and the purity of ZnO in the dust can reach 99.28%. With the change of the carbon ratio, the morphology of zinc oxide in the dust transforms from smooth plate-like to rough rod-like agglomerates. When the carbon ratio is 10∶4, the minimum reflection loss of ZnO at 10.32 GHz is -25.66 dB, corresponding to a thickness of 3.5 mm. This study explores new approaches for the utilization of lead-silver slag.

Key words： lead-silver slag ZnO reduction-smelting process carbon ratio absorption property

Published: 25 May 2025 Online: 2025-05-13

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TF09

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	Articles by authors
	DU Yunliang
	DU Xueyan
	WANG Sheng
	SHEN Yingying
	LI Bin

Cite this article:

DU Yunliang,DU Xueyan,WANG Sheng, et al. Selective Extraction of Zinc from Lead-Silver Slag and Effect of Carbon Ratio on Morphology and Absorption Properties of Recovered ZnO[J]. Materials Reports, 2025, 39(10): 24030125-8.

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https://www.mater-rep.com/EN/10.11896/cldb.24030125 OR https://www.mater-rep.com/EN/Y2025/V39/I10/24030125

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