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有色金属(冶炼部分):2019,(2):47-50
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钼精矿焙烧烟尘中回收铼和钼的研究
赵恒勤,井小静,刘红召,张博,任保增
(中国地质科学院郑州矿产综合利用研究所,中国地质科学院郑州矿产综合利用研究所,中国地质科学院郑州矿产综合利用研究所,中国地质科学院郑州矿产综合利用研究所,郑州大学)
Study on Recovery of Rhenium and Molybdenum from Roasting Dust of Molybdenum Concentrate
ZHAO Hengqin,JING Xiaojing,LIU Hongzhao,ZHANG Bo and REN Baozeng
(Zhengzhou Institute of Multipurpose Utilization of Mineral Resources,CAGS,,,,)
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投稿时间:2018-10-18     修订日期:2018-10-19     录用日期:2018-10-22     网络发布日期:2019-01-24
中文摘要: 研究了用水浸法回收钼精矿烟尘中铼和钼的工艺条件,考察烟尘焙烧时间与温度、浸出温度与时间、液固比等对铼和钼浸出率的影响。结果表明,在200 ℃焙烧4 h后,在液固比2︰1、常温浸出2 h的条件下,铼浸出率达到94%以上,钼浸出率降低到10%以下,初步实现铼的选择性浸出。
中文关键词: 钼精矿  焙烧烟尘  浸出  铼  钼
Abstract:Process conditions to recover rhenium and molybdenum from dust of molybdenum concentrate by water leaching were studied. Effects of roasting time and temperature of dust, leaching temperature and time, and L/S on leaching rate of rhenium and molybdenum were investigated. The results show that rhenium leaching rate is 94% above and molybdenum leaching rate is 10% below under the conditions including roasting temperature of 200 ℃, roasting time of 4 h, and leaching at room temperature for 2 hours with L/S=2︰1. Selective extraction of rhenium is preliminary realized.
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基金项目:中国地质调查局地质调查项目(DD20160070)
引用文本:
赵恒勤,井小静,刘红召,张博,任保增.钼精矿焙烧烟尘中回收铼和钼的研究[J].有色金属(冶炼部分),2019(2):47-50.
ZHAO Hengqin,JING Xiaojing,LIU Hongzhao,ZHANG Bo,REN Baozeng.Study on Recovery of Rhenium and Molybdenum from Roasting Dust of Molybdenum Concentrate[J].Nonferrous Metals (Extractive Metallurgy),2019(2):47-50.

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