Research on Kinetics of Oxidation Leaching of Stone Coal Vanadium Ore by Manganese Dioxide AITranslate
Abstract AITranslate
The manganese dioxide was used to oxidize and leach vanadium from raw material of the stone coal vanadium ore from Zhangjiajie.The effects of MnO2dosage,liquid-solid ratio,leaching time,H2SO4 dosage and leaching temperature on vanadium leaching rate were investigated.The results show that the leaching rate of vanadium reaches 94.17%under the conditions as follows:MnO2dosage of 3%,liquid-solid ratio of 0.8∶1,H2SO4dosage of 35%,leaching temperature of 95℃and leaching time of 10h.The vanadium leaching rate Rhas a good linear relationship with the leaching time t in the form of 1-(1-R)1/3.The apparent activation energy of the leaching reaction is approximately 54.62kJ/mol according to the Arrhenius equation,indicating that the reaction is controlled by a chemical reaction.
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Chinese Library Classification Number:TF841.3[冶金工程—有色金属冶金]
Citation Information:
The manganese dioxide was used to oxidize and leach vanadium from raw material of the stone coal vanadium ore from Zhangjiajie.The effects of MnO2dosage,liquid-solid ratio,leaching time,H2SO4 dosage and leaching temperature on vanadium leaching rate were investigated.The results show that the leaching rate of vanadium reaches 94.17%under the conditions as follows:MnO2dosage of 3%,liquid-solid ratio of 0.8∶1,H2SO4dosage of 35%,leaching temperature of 95℃and leaching time of 10h.The vanadium leaching rate Rhas a good linear relationship with the leaching time t in the form of 1-(1-R)1/3.The apparent activation energy of the leaching reaction is approximately 54.62kJ/mol according to the Arrhenius equation,indicating that the reaction is controlled by a chemical reaction.
quote
| GB/T 7714-2015 | [1] LI Li-jie, SHI Mei-lian, HUA Jun, et al. Research on Kinetics of Oxidation Leaching of Stone Coal Vanadium Ore by Manganese Dioxide[J]. Rare Metals and Cemented Carbides, 2020(6): 24-29. |
| MLA | [1] LI Li-jie, et al., "Research on Kinetics of Oxidation Leaching of Stone Coal Vanadium Ore by Manganese Dioxide." Rare Metals and Cemented Carbides, no. 6, 2020, pp. 24-29. |
| APA | [1] LI Li-jie, SHI Mei-lian, HUA Jun, YAN Wen-bin, GAO Feng, & HUANG Chao. (2020). Research on Kinetics of Oxidation Leaching of Stone Coal Vanadium Ore by Manganese Dioxide. Rare Metals and Cemented Carbides(6), 24-29. |
| IEEE | [1] LI Li-jie, SHI Mei-lian, HUA Jun, YAN Wen-bin, GAO Feng, and HUANG Chao, "Research on Kinetics of Oxidation Leaching of Stone Coal Vanadium Ore by Manganese Dioxide," Rare Metals and Cemented Carbides, no. 6, pp. 24-29, 2020. keywords: {stone coal vanadium ore;oxidization leaching;MnO2;vanadium leaching rate;kinetics} |