| 从碲铸型渣中高效回收碲的工艺研究 |
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| 引用本文： | 范华春,覃小龙,陈兰.从碲铸型渣中高效回收碲的工艺研究[J].湖南有色金属,2019,35(4):31-32,51. |
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| 作者姓名： | 范华春 覃小龙 陈兰 |
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| 作者单位： | 郴州市金贵银业股份有限公司,湖南郴州,423038;郴州市金贵银业股份有限公司,湖南郴州,423038;郴州市金贵银业股份有限公司,湖南郴州,423038 |
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| 摘 要： | 采用氢氧化钠加入双氧水氧化浸出碲铸型渣,使碲铸型渣中的碲与铅、银等有价金属有效分离。试验研究了氢氧化钠起始浓度、双氧水用量、液固比、反应温度和浸出时间对碲浸出率的影响,得出碲铸型渣碱性氧化浸出的最佳条件。
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| 关 键 词： | 碲铸型渣 氧化浸出 浸出率 最佳条件 |
Study on the Technology of Efficient Recovery of Tellurium from Tellurium Scrap |
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| FAN Hua-chun,QIN Xiao-long,CHEN Lan.Study on the Technology of Efficient Recovery of Tellurium from Tellurium Scrap[J].Hunan Nonferrous Metals,2019,35(4):31-32,51. |
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| Authors: | FAN Hua-chun QIN Xiao-long CHEN Lan |
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| Affiliation: | (Chenzhou Jingui Silver Industry Co . ,Ltd . ,Chenzhou 423038,China) |
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| Abstract: | The tellurium casting slag was oxidized by sodium hydroxide and hydrogen peroxide to separate tellurium from valuable metals such as lead and silver. The effects of initial concentration of sodium hydroxide,dosage of hydrogen peroxide,liquid-solid ratio,reaction temperature and leaching time on tellurium leaching rate were studied experimentally. The optimum conditions for alkaline oxidation leaching of tellurium casting slag were obtained. |
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| Keywords: | tellurium cast slag oxidation leaching leaching rate best conditions |
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