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材料导报  2025, Vol. 39 Issue (10): 24030125-8    https://doi.org/10.11896/cldb.24030125
  无机非金属及其复合材料 |
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
杜云亮1,2, 杜雪岩1,2,*, 王胜1,2, 申莹莹1,2, 李彬1,2
1 兰州理工大学材料科学与工程学院,兰州 730050
2 兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室,兰州 730050
Selective Extraction of Zinc from Lead-Silver Slag and Effect of Carbon Ratio on Morphology and Absorption Properties of Recovered ZnO
DU Yunliang1,2, DU Xueyan1,2,*, WANG Sheng1,2, SHEN Yingying1,2, LI Bin1,2
1 School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China
2 State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
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摘要 铅银渣因富含多种有价金属元素而备受关注,其综合利用已成为研究的焦点。本研究着眼于通过还原-烟化法从铅银渣中回收锌及其高值化应用,探讨了锌选择性回收的热力学条件及配碳比对回收的ZnO形貌和吸波性能的影响。结果表明:控制还原温度为1 050 ℃时,可以实现锌的选择性回收,烟尘中ZnO的纯度可达到99.28%;随着配碳比的变化,烟尘中氧化锌的形貌由表面光滑的板状物转变为表面粗糙的棒状凝聚物;当配碳比为10∶4时,ZnO在10.32 GHz处的反射损耗最小,为-25.66 dB,对应厚度为3.5 mm。本研究可为铅银渣的综合利用提供新途径。
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杜云亮
杜雪岩
王胜
申莹莹
李彬
关键词:  铅银渣  ZnO  还原-烟化法  配碳比  吸波性能    
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
出版日期:  2025-05-25      发布日期:  2025-05-13
ZTFLH:  TF09  
基金资助: 甘肃省重点研发计划(23YFGA0055);国家自然科学基金(U22A20175);甘肃省高等学校产业支撑计划(2022CYZC-20);甘肃省科技重大专项(19ZD2GD001);沈阳材料科学国家研究中心-有色金属先进加工与再利用国家重点实验室-材料可持续发展联合基金重点项目(18LHZD001)
通讯作者:  *杜雪岩,博士,兰州理工大学材料科学与工程学院教授、博士研究生导师。目前主要从事冶金废渣综合利用,有机、无机复合功能材料等方面的研究。duxy@lut.edu.cn   
作者简介:  杜云亮,兰州理工大学材料科学与工程学院硕士研究生,在杜雪岩教授的指导下进行研究。目前主要研究领域为吸波材料。
引用本文:    
杜云亮, 杜雪岩, 王胜, 申莹莹, 李彬. 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[J]. 材料导报, 2025, 39(10): 24030125-8.
DU Yunliang, DU Xueyan, WANG Sheng, SHEN Yingying, LI Bin. Selective Extraction of Zinc from Lead-Silver Slag and Effect of Carbon Ratio on Morphology and Absorption Properties of Recovered ZnO. Materials Reports, 2025, 39(10): 24030125-8.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.24030125  或          https://www.mater-rep.com/CN/Y2025/V39/I10/24030125
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