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对退役晶硅光伏组件中贵金属银进行浸出研究，分别采用甲磺酸-过氧化氢体系和柠檬酸-过氧化氢体系浸出银。结果显示，在甲磺酸-过氧化氢体系中，最优工艺条件为：甲磺酸浓度40%、H_2O2浓度10%、反应温度80℃、反应时间2.5 h，银的浸出率达到59.97%；在柠檬酸-过氧化氢体系中，最优工艺条件为：柠檬酸浓度6 g/L、H_2O2浓度30%、反应温度80℃、搅拌速度300 r/min，银的浸出率能达到95.53%；柠檬酸体系能更有效地浸出银，反应温度和H_2O2浓度的提高对银的浸出有促进作用。
Abstract：The leaching of precious metal silver from decommissioned crystalline silicon photovoltaic module was studied.Silver was leached by methanesulfonic acid-hydrogen peroxide system and citric acid?-hydrogen peroxide system respectively.The results show that in the methanesulfonic acid?-hydrogen peroxide system,the leaching rate of silver can reach 59.97%under the optimum conditions including methanesulfonic acid concentration of 40%,H_2O2 concentration of 10%,reaction temperature of 80℃，and reaction time of 2.5 hours;In the citric acid-hydrogen peroxide system,the leaching rate of silver can reach 95.53%under the optimum conditions including citric acid concentration of 6 g/L,H_2O2 concentration of 30%,reaction temperature of 80℃，and stirring speed of 300 r/min.The results show that the citric acid system can extract silver more effectively,and the increase of reaction temperature and H_2O2 concentration can promote the leaching of silver.
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基本信息:
DOI：10.20237/j.issn.1007-7545.2025.01.013
中图分类号:TF832;X705
引用信息:
[1]包国英,王珊,高德东,等.退役晶硅光伏组件中基于有机酸浸出银的研究[J].有色金属(冶炼部分),2025(01):92-98.DOI:10.20237/j.issn.1007-7545.2025.01.013.
基金信息:
青海省科技计划资助项目（2022-ZJ-768）
2024-07-26
2024
2024-09-14
2024-09-18
2024
1
2024-12-31
2024-12-31