Study on the Process of Gallium Recovery from Red Mud by Microwave-assisted or Traditional Hydrochloric Acid Leaching AITranslate
Abstract AITranslate
Using hydrochloric acid as leaching agent,the influences were investigated of leaching temperature,leaching time,ratio of hydrochloric acid volume to red mud mass,and HCl concentration on gallium leaching rate during gallium recovery from red mud by traditional or microwave-assisted hydrochloric acid leaching.The primary and secondary sequence of the factors affecting gallium leaching rate was determined through the orthogonal tests as well as the optimum leaching conditions.The results show that the optimum leaching conditions of traditional hydrochloric acid leaching according to the primary and secondary sequence are as follows：leaching temperature of 100℃,time of 4h,HCl concentration of 8mol/L,and the ratio of hydrochloric acid volume to red mud mass of 7mL∶1g.And those of microwave-assisted hydrochloric acid leaching are as follows：leaching temperature of 80 ℃,leaching time of 25 min,the ratio of hydrochloric acid volume to red mud mass of 7mL∶1g,and HCl concentration of 7mol/L.Compared with traditional hydrochloric acid leaching process,microwave-assisted hydrochloric acid leaching process has higher gallium leaching rate,lower leaching temperature,shorter leaching time and lower hydrochloric acid concentration.
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Basic Information:
DOI：
Chinese Library Classification Number:TF843.1[冶金工程—有色金属冶金]
Citation Information:
Using hydrochloric acid as leaching agent,the influences were investigated of leaching temperature,leaching time,ratio of hydrochloric acid volume to red mud mass,and HCl concentration on gallium leaching rate during gallium recovery from red mud by traditional or microwave-assisted hydrochloric acid leaching.The primary and secondary sequence of the factors affecting gallium leaching rate was determined through the orthogonal tests as well as the optimum leaching conditions.The results show that the optimum leaching conditions of traditional hydrochloric acid leaching according to the primary and secondary sequence are as follows：leaching temperature of 100℃,time of 4h,HCl concentration of 8mol/L,and the ratio of hydrochloric acid volume to red mud mass of 7mL∶1g.And those of microwave-assisted hydrochloric acid leaching are as follows：leaching temperature of 80 ℃,leaching time of 25 min,the ratio of hydrochloric acid volume to red mud mass of 7mL∶1g,and HCl concentration of 7mol/L.Compared with traditional hydrochloric acid leaching process,microwave-assisted hydrochloric acid leaching process has higher gallium leaching rate,lower leaching temperature,shorter leaching time and lower hydrochloric acid concentration.
quote
| GB/T 7714-2015 | [1] KE Sheng-nan, WANG Hai-fang, HOU Bin, et al. Study on the Process of Gallium Recovery from Red Mud by Microwave-assisted or Traditional Hydrochloric Acid Leaching[J]. Rare Metals and Cemented Carbides, 2016(5): 26-31. |
| MLA | [1] KE Sheng-nan, et al., "Study on the Process of Gallium Recovery from Red Mud by Microwave-assisted or Traditional Hydrochloric Acid Leaching." Rare Metals and Cemented Carbides, no. 5, 2016, pp. 26-31. |
| APA | [1] KE Sheng-nan, WANG Hai-fang, HOU Bin, LIU Jin-hui, & TIAN Ying-xiao. (2016). Study on the Process of Gallium Recovery from Red Mud by Microwave-assisted or Traditional Hydrochloric Acid Leaching. Rare Metals and Cemented Carbides(5), 26-31. |
| IEEE | [1] KE Sheng-nan, WANG Hai-fang, HOU Bin, LIU Jin-hui, and TIAN Ying-xiao, "Study on the Process of Gallium Recovery from Red Mud by Microwave-assisted or Traditional Hydrochloric Acid Leaching," Rare Metals and Cemented Carbides, no. 5, pp. 26-31, 2016. keywords: {red mud;gallium;microwave assistance;hydrochloric acid leaching;recovery} |