|
| Test Study on oxidative precipitation of Fe(II),Mn(II) from cobalt leach solutions using SO[sub_s]2[sub_e]-air mixture |
|
Received:July 03, 2013
Revised:July 26, 2013
Accepted:July 04, 2013
Published Online:August 23, 2013
|
| View Full Text View/Add Comment Download reader |
| DOI： |
| KeyWord:SO2-air; oxidative precipitation; deferrization; demanganization; cobalt solutions |
| Author | Institution |
| Xu Xiao-hui |
Beijing General Research Institute of Mining and Metallurgy |
| Sun Liu-gen |
Beijing General Research Institute of Mining and Metallurgy |
| Wang Yun |
Beijing General Research Institute of Mining and Metallurgy |
| Li Yun |
Beijing General Research Institute of Mining and Metallurgy |
| Liu Da-xue |
Beijing General Research Institute of Mining and Metallurgy |
| Yu Qun-bo |
Beijing General Research Institute of Mining and Metallurgy |
| Wei Qi-jin |
Beijing General Research Institute of Mining and Metallurgy |
|
| Hits: 2737 |
| Download times: 19 |
| Abstract: |
| A new process of oxidative precipitation of Fe(II), Mn(II) from cobalt leach solutions using SO2-air mixture was proposed and effects of various parameters were investigated. Results showed that under optimum conditions as: oxidation temperature of 30℃, PH of 3.5, SO2/air ratio of 2%, iron can be totally oxidized and precipitated from cobalt solution within 1h, while the rate of manganese oxidation is relatively slow, demananization rate is only 61.7% after 6h of oxidation. Coarse product of cobalt carbonate with Co>42% can be obtained from deferrized solution with sodium carbonate as neutralization agent. Product can be sold or used as raw material for further purification. |
| Close |