| 硫酸加压溶解法从氧化铝基废催化剂中回收铂 |
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| 引用本文： | 赵 雨,王 欢,贺小塘,郭俊梅,韩守礼,吴喜龙,李 勇,李红梅.硫酸加压溶解法从氧化铝基废催化剂中回收铂[J].贵金属,2016,37(2):37-40, 45. |
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| 作者姓名： | 赵 雨 王 欢 贺小塘 郭俊梅 韩守礼 吴喜龙 李 勇 李红梅 |
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| 作者单位： | 贵研资源 易门 有限公司，贵研铂业股份有限公司 稀贵金属综合利用新技术国家重点实验室，昆明 650106 |
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| 基金项目： | 云南省省院省校科技合作项目(2013IB020) |
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| 摘 要： | 研究了硫酸加压溶解法从氧化铝基含铂废催化剂中回收铂。在高压釜中,反应温度130℃,压力4.5 kg/cm2,时间4 h,氧化铝载体的溶解效率较好;添加Ti Cl3溶液可将分散到溶液中的铂浓度降低至0.0005 g/L以下;富集物经溶解-精炼得到纯度大于99.98%的海绵铂,铂直收率为98.71%。
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| 关 键 词： | 有色金属冶金 废催化剂 加压 硫酸 铂 回收 |
| 收稿时间： | 2015/7/29 0:00:00 |
Recovering Platinum from Alumina-based Spent Catalysts by Sulfuric Acid Pressure Dissolution |
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| ZHAO Yu,WANG Huan,HE Xiaotang,GUO Junmei,HAN Shouli,WU Xilong,LI Yong and LI Hongmei.Recovering Platinum from Alumina-based Spent Catalysts by Sulfuric Acid Pressure Dissolution[J].Precious Metals,2016,37(2):37-40, 45. |
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| Authors: | ZHAO Yu WANG Huan HE Xiaotang GUO Junmei HAN Shouli WU Xilong LI Yong and LI Hongmei |
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| Affiliation: | Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China,Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China,Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China,Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China,Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China,Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China,Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China and Sino-Platinum Metals Resources Yimen Co. Ltd., Sino-Platinum Metals Co. Ltd., State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming 650106, China |
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| Abstract: | A method of sulfuric acid pressure dissolution to recover platinum from the waste alumina-based catalysts was studied. The selective dissolution was carried out in the autoclave for 4 h at a temperature of 130℃and under pressure of 4.5 kg/cm2, producing a desired result. Platinum dissolved in the solution could be reduced to a concentration of less than 0.0005 g/L by adding TiCl3 as a reductant. Sponge platinum with a purity of 99.98%was obtained from insoluble substance after the melting-refining process, and the direct recovery of platinum was up to 98.71%. |
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| Keywords: | nonferrous metallurgy spent catalyst pressure sulfuric acid platinum recovery |
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