Research on Process of Rare Earth Recovery from Rare Earth Electrolysis Slag by Roasting with Sodium Hydroxide AITranslate
Abstract AITranslate
In view of low efficiency of rare earth recovery from rare earth molten salt electrolysis slag in fluoride salt system,a novel technology of roasting with sodium hydroxide-selective leaching with hydrochloric acid was proposed.The effects were systematically investigated of roasting temperature,roasting time,sodium hydroxide dosage,hydrochloric acid concentration,liquid-solid ratio,leaching temperature and leaching time on rare earth recovery from the slag.The leaching rate of rare earth is as high as 99.22% under the following conditions：roasting temperature of 600 ℃,roasting time of 1.5 h,the mass ratio of sodium hydroxide to the slag of 0.8∶1,hydrochloric acid concentration of 2 mol/L,liquid to solid ratio of 8∶1,leaching temperature of 40 ℃ and leaching time of 15 min.
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Basic Information:
DOI：
Chinese Library Classification Number:TF845[冶金工程—有色金属冶金]
Citation Information:
In view of low efficiency of rare earth recovery from rare earth molten salt electrolysis slag in fluoride salt system,a novel technology of roasting with sodium hydroxide-selective leaching with hydrochloric acid was proposed.The effects were systematically investigated of roasting temperature,roasting time,sodium hydroxide dosage,hydrochloric acid concentration,liquid-solid ratio,leaching temperature and leaching time on rare earth recovery from the slag.The leaching rate of rare earth is as high as 99.22% under the following conditions：roasting temperature of 600 ℃,roasting time of 1.5 h,the mass ratio of sodium hydroxide to the slag of 0.8∶1,hydrochloric acid concentration of 2 mol/L,liquid to solid ratio of 8∶1,leaching temperature of 40 ℃ and leaching time of 15 min.
quote
| GB/T 7714-2015 | [1] LI Yong-kang, LIANG Yong, SHAO Long-bin, et al. Research on Process of Rare Earth Recovery from Rare Earth Electrolysis Slag by Roasting with Sodium Hydroxide[J]. Rare Metals and Cemented Carbides, 2018(1): 5-9. |
| MLA | [1] LI Yong-kang, et al., "Research on Process of Rare Earth Recovery from Rare Earth Electrolysis Slag by Roasting with Sodium Hydroxide." Rare Metals and Cemented Carbides, no. 1, 2018, pp. 5-9. |
| APA | [1] LI Yong-kang, LIANG Yong, SHAO Long-bin, ZOU Yu, & LIANG Xin. (2018). Research on Process of Rare Earth Recovery from Rare Earth Electrolysis Slag by Roasting with Sodium Hydroxide. Rare Metals and Cemented Carbides(1), 5-9. |
| IEEE | [1] LI Yong-kang, LIANG Yong, SHAO Long-bin, ZOU Yu, and LIANG Xin, "Research on Process of Rare Earth Recovery from Rare Earth Electrolysis Slag by Roasting with Sodium Hydroxide," Rare Metals and Cemented Carbides, no. 1, pp. 5-9, 2018. keywords: {rare earth;molten salt electrolysis slag;fluoride salt system;sodium hydroxide roasting;selective leaching with hydrochloric acid} |