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从钴铬铂靶材废料中回收纯铂 |
Recovery of Platinum from Waste Co-Cr-Pt Target Material |
Received:December 29, 2017 |
DOI: |
中文关键词: 有色金属冶金 靶材 回收 纯铂 |
英文关键词: nonferrous metallurgy target material recovery pure platinum |
基金项目:国家重点研发计划(2017YFB0305402、2017YFB0305402),国家自然科学基金项目(51504106),云南省科技计划项目(2015FB204、2017FA030、2016BA006)。 |
Author Name | Affiliation | E-mail | ZHAO Jiachun | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | zhapjiachun@ipm.com.cn | DONG Haigang | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | WU Yuedong | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | WANG Yaxiong | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | YANG Haiqiong | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | BAO Simin | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | TONG Weifeng | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | ZHAO Wenhu | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | | ZHOU Wei | Kunming Institute of Precious Metals, State Key Laboratory of Advancde Technologies for ComprehensiveUtilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Kunming 650106, China | zhouwei@ipm.com.cn |
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中文摘要: |
采用氧化酸溶-氯化铵沉淀-离子交换的方法从钴铬铂靶材废料回收铂。物料溶解的最佳条件为:液固比6:1 (mL/g)、氧化剂氯酸钠用量35 g、于95℃经4 h可完全溶解100 g物料。溶解液经氯化铵选择性沉淀铂后,主体杂质元素钴和铬被去除。获得的粗铂溶解后经离子交换提纯,微量杂质元素的含量进一步降低。最终煅烧获得的海绵铂纯度大于99.995%,满足钴铬铂靶材的再生产的要求。 |
英文摘要: |
Platinum in waste Co-Cr-Pt target material was recovered by using a three-step method of oxidizing acid dissolution, precipitation with ammonium chloride and ion exchange. 100 g waste Co-Cr-Pt was totally dissolved at 95℃ for 4 hours by 35 g sodium chlorate in 400 mL HCl. The liquid-solid ratio was 6 mL: 1 /g. Most of the impurities, including cobalt and chromium, were removed from the solution after platinum was selectively precipitated by ammonium chloride. The platinum was further refined by ion-exchange to get rid of residual impurity elements. The purity of the resulting platinum was more than 99.995%, meeting the requirements for the reproduction of Co-Cr-Pt target material. |
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