Experimental Study on Improvement of Tellurium Leaching Rate from the Pb-Te Slag AITranslate
Abstract AITranslate
Based on the character and composition of lead-tellurium slag, the two-stage leaching process was applied of alkaline leaching-washing-acid leaching. Influences of alkali concentration, leaching temperature, leaching time and liquid to solid ratio were investigated on the leaching rate of lead-tellurium slag. The re-sults show that the optimum alkaline leaching conditions are sodium hydroxide concentration of 100 g/L, leaching temperature of 90 ℃ ,leaching time of 4 h and liquid to solid ration of 10 ： 1. Under the above con-ditions, tellurium leaching rate is 88.80 %. The optimum acid leaching conditions are as follows：hydrochlo-ric acid concentration of 2.5 mol/L,leaching temperature of 75 ℃ ,leaching time of 4 h,and liquid to solid ratio of 5 ： 1 ,and the total tellurium leaching rate is 98.9%.
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DOI：
Chinese Library Classification Number:TF111.31[冶金工程—冶金物理化学]
Citation Information:
Based on the character and composition of lead-tellurium slag, the two-stage leaching process was applied of alkaline leaching-washing-acid leaching. Influences of alkali concentration, leaching temperature, leaching time and liquid to solid ratio were investigated on the leaching rate of lead-tellurium slag. The re-sults show that the optimum alkaline leaching conditions are sodium hydroxide concentration of 100 g/L, leaching temperature of 90 ℃ ,leaching time of 4 h and liquid to solid ration of 10 ： 1. Under the above con-ditions, tellurium leaching rate is 88.80 %. The optimum acid leaching conditions are as follows：hydrochlo-ric acid concentration of 2.5 mol/L,leaching temperature of 75 ℃ ,leaching time of 4 h,and liquid to solid ratio of 5 ： 1 ,and the total tellurium leaching rate is 98.9%.
quote
| GB/T 7714-2015 | [1] BAO Xin-jun, LIU Ji-bo, SU Zheng-fu, et al. Experimental Study on Improvement of Tellurium Leaching Rate from the Pb-Te Slag[J]. Rare Metals and Cemented Carbides, 2013(2): 10-12. |
| MLA | [1] BAO Xin-jun, et al., "Experimental Study on Improvement of Tellurium Leaching Rate from the Pb-Te Slag." Rare Metals and Cemented Carbides, no. 2, 2013, pp. 10-12. |
| APA | [1] BAO Xin-jun, LIU Ji-bo, SU Zheng-fu, DENG Zhi-jun, HUANG Shi, & QIAN Dong. (2013). Experimental Study on Improvement of Tellurium Leaching Rate from the Pb-Te Slag. Rare Metals and Cemented Carbides(2), 10-12. |
| IEEE | [1] BAO Xin-jun, LIU Ji-bo, SU Zheng-fu, DENG Zhi-jun, HUANG Shi, and QIAN Dong, "Experimental Study on Improvement of Tellurium Leaching Rate from the Pb-Te Slag," Rare Metals and Cemented Carbides, no. 2, pp. 10-12, 2013. keywords: {lead-tellurium slag;sodium hydroxide;hydrochloric acid;tellurium;leaching} |