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有色金属(冶炼部分):2020,(2):60-64
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从难处理贵金属酸泥中分离回收硒和碲
陈治毓, 潘从明, 季婷, 赵振中, 徐丽, 张晓凯
(金川集团铜业公司)
Separation and Recovery of Selenium and Tellurium from Refractory Precious Metal Acidic Mud
Chen Zhiyu, Pan Congming, Ji Ting, Zhao Zhenzhong, Xu li, Zhang xiaokai
(Copper Company of Jinchuan group Co., LTD)
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投稿时间:2019-09-30     修订日期:2019-10-17     录用日期:2019-10-17     网络发布日期:2020-01-16
中文摘要: 提出从贵金属酸泥中分离硒和碲的工艺。采用碱浸出时碲的浸出率能够达到77.7%,硒的浸出率为38.78%;中和过程中中和渣含碲72.88%,碲的沉淀率达到98%,硒的浸出率仅为4.3%,还原过程中还原效率达到99%以上,产出粗硒含硒81.55%。
中文关键词: 贵金属酸泥  碱浸  中和  硒  碲
Abstract:A novel process to separate selenium and tellurium from precious metal acidic mud was put forward. Leaching rate of tellurium and selenium by alkali leaching is 77.7% and 38.78% respectively. During neutralization process, tellurium content in neutralization slag is 72.88% with tellurium precipitation rate of 98%, and selenium leaching rate is only 4.3%. In reduction process, reduction efficiency is 99% above, and selenium content in crude selenium product is 81.55%.
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基金项目:2017年度中华全国总工会职工创新补助资金资助项目(工劳经函201723号)
引用文本:
陈治毓,潘从明,季婷,赵振中,徐丽,张晓凯.从难处理贵金属酸泥中分离回收硒和碲[J].有色金属(冶炼部分),2020(2):60-64.
CHEN Zhiyu,PAN Congming,JI Ting,ZHAO Zhenzhong,XU Li,ZHANG Xiaokai.Separation and Recovery of Selenium and Tellurium from Refractory Precious Metal Acidic Mud[J].Nonferrous Metals (Extractive Metallurgy),2020(2):60-64.

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