Experiment and Kinetic Study of Titanium Extraction from Red Mud by Circulating Acid Leaching AITranslate
Abstract AITranslate
Titanium was extracted from red mud by triple circulating acid leaching,and the influences of sulfuric acid concentration,leaching temperature and reaction time on titanium recovery were investigated.The reaction controlling step was determined based on kinetic analysis of the leaching experimental data.The results show that titanium recovery reaches 82% and acid consumption is reduced by 25% under the conditions of 3-stage leaching,6mol/L sulfuric acid concentration,5∶1liquid to solid ratio,90 ℃leaching temperature and 60 min reaction time.The apparent activation energy is 21.77kJ/mol during acid leaching and the reaction is controlled by internal diffusion with a linear correlation coefficient greater than 0.98.Both sulfuric acid concentration and leaching temperature are the key factors affecting titanium recovery.
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Basic Information:
DOI：
Chinese Library Classification Number:TF823[冶金工程—有色金属冶金]
Citation Information:
Titanium was extracted from red mud by triple circulating acid leaching,and the influences of sulfuric acid concentration,leaching temperature and reaction time on titanium recovery were investigated.The reaction controlling step was determined based on kinetic analysis of the leaching experimental data.The results show that titanium recovery reaches 82% and acid consumption is reduced by 25% under the conditions of 3-stage leaching,6mol/L sulfuric acid concentration,5∶1liquid to solid ratio,90 ℃leaching temperature and 60 min reaction time.The apparent activation energy is 21.77kJ/mol during acid leaching and the reaction is controlled by internal diffusion with a linear correlation coefficient greater than 0.98.Both sulfuric acid concentration and leaching temperature are the key factors affecting titanium recovery.
quote
| GB/T 7714-2015 | [1] ZHU Xiao-bo, LI Wang, GUAN Xue-mao. Experiment and Kinetic Study of Titanium Extraction from Red Mud by Circulating Acid Leaching[J]. Rare Metals and Cemented Carbides, 2015(3): 9-12. |
| MLA | [1] ZHU Xiao-bo, et al., "Experiment and Kinetic Study of Titanium Extraction from Red Mud by Circulating Acid Leaching." Rare Metals and Cemented Carbides, no. 3, 2015, pp. 9-12. |
| APA | [1] ZHU Xiao-bo, LI Wang, & GUAN Xue-mao. (2015). Experiment and Kinetic Study of Titanium Extraction from Red Mud by Circulating Acid Leaching. Rare Metals and Cemented Carbides(3), 9-12. |
| IEEE | [1] ZHU Xiao-bo, LI Wang, and GUAN Xue-mao, "Experiment and Kinetic Study of Titanium Extraction from Red Mud by Circulating Acid Leaching," Rare Metals and Cemented Carbides, no. 3, pp. 9-12, 2015. keywords: {red mud;titanium extraction;circulating acid leaching;kinetics} |