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| Leaching Rubidium from Guobaoshan Rubidium Ore |
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Received:November 10, 2014
Revised:November 13, 2014
Accepted:November 14, 2014
Published Online:February 15, 2015
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| DOI：10.3969/j.issn.1007-7545.2015.03.009 |
| KeyWord:rubidium; calcining; multi-stage circulation; alkaline leaching; calcium removal |
| Author | Institution |
| Cao Yaohua |
中国地质科学院郑州矿产综合利用研究所 |
| Gao Zhaoguo |
中国地质科学院郑州矿产综合利用研究所 |
| Wang Wei |
中国地质科学院郑州矿产综合利用研究所 |
| Liu Hongzhao |
中国地质科学院郑州矿产综合利用研究所 |
| ZhangBo |
中国地质科学院郑州矿产综合利用研究所 |
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| Abstract: |
| Guobaoshan rubidium ore was roasted and rubidium was multi-stage alkaline leached from calcining with Rb2O grade of 0.1%. The results show that average rubidium leaching rate is 93.87% and average calcium removal rate is 99.76% under the optimum conditions including sodium carbonate dosage of 1.4 times of theoretical amount, ratio of liquid to solid of 2, room temperature, leaching duration of 1.5 h, and multi-stage circulation times of five. |
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