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投稿时间：2013-10-10 修订日期：2013-10-14 录用日期：2013-10-14 网络发布日期：2014-03-31
投稿时间：2013-10-10 修订日期：2013-10-14 录用日期：2013-10-14 网络发布日期：2014-03-31
中文摘要: 研究了预处理对酸性氯酸盐水氯化法提取报废汽车催化剂中铑的影响，并研究了氯化提取液中铑的锌粉置换工艺条件。结果表明，在下述最佳预处理条件下，可以使铑的提取率由55.9%增加到82.7%：氧气预处理温度300 ℃、氧气流速200 mL/min、时间3 h；氢气预处理温度300 ℃、氢气流速200 mL/min、时间3 h。优化后的锌粉置换条件为：锌粉用量20 g/L、反应时间40 min，在此条件下铑的置换率为85.6%。
Abstract:The effects of pretreatment on rhodium extraction from spent automotive catalyst with acidic sodium chlorate solution were investigated. Rhodium was replaced from chlorination solution by zinc powder and the optimum parameters were obtained. The results show that rhodium extraction is improved from 55.9% to 82.7% under the following optimum pretreatment conditions including oxygen pretreatment at 300 ℃ for 3 hours with oxygen flow rate of 200 mL/min and hydrogen pretreatment at 300 ℃ for 3 hours with hydrogen flow rate of 200 mL/min. Rhodium replacement rate is 85.6% under the optimum conditions including dosage of zinc powder of 20 g/L and reaction time of 40 min.
keywords: spent automotive catalyst rhodium pretreatment chlorination process zinc powder replacement
文章编号： 中图分类号：TF837 文献标志码：
基金项目:国家自然科学面上基金资助项目(50874011)；北京科技大学本科生科技创新项目（13180163）
| 作者 | 单位 | |
| 陈帅* | 稀贵金属绿色回收与提取北京市重点实验室 | 312853543@qq.com |
| 程垚 | 稀贵金属绿色回收与提取北京市重点实验室 | |
| 张建涛 | 稀贵金属绿色回收与提取北京市重点实验室 | |
| 沈少波 | 稀贵金属绿色回收与提取北京市重点实验室 |
| Author Name | Affiliation | |
| Chen Shuai | BeiJing Key Lab of Rare Precious Metals Green Recycling and Extraction | 312853543@qq.com |
| Cheng yao | ||
| Zhang Jiantao | ||
| Shen Shaobo |
引用文本：
陈帅,程垚,张建涛,沈少波.报废汽车催化剂中铑的提取与富集[J].有色金属（冶炼部分）,2014(4):42-44.
Chen Shuai,Cheng yao,Zhang Jiantao,Shen Shaobo.Extraction and Enrichment of Rhodium from Spent Automotive Catalysts[J].Nonferrous Metals (Extractive Metallurgy),2014(4):42-44.
陈帅,程垚,张建涛,沈少波.报废汽车催化剂中铑的提取与富集[J].有色金属（冶炼部分）,2014(4):42-44.
Chen Shuai,Cheng yao,Zhang Jiantao,Shen Shaobo.Extraction and Enrichment of Rhodium from Spent Automotive Catalysts[J].Nonferrous Metals (Extractive Metallurgy),2014(4):42-44.
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