Experimental Research on a New Metallurgical Process to Treat Low-grade Beryllium Concentrate AITranslate
Abstract AITranslate
A new metallurgical process of roasting-counter current leaching-acidification-releaching is developed to treat the low grade beryllium concentrate with BeO content of 1.13%. Firstly,the beryllium conc entrate is roasted at 1 050 ℃ for 120 min and the resultant calcine,ground to the particle size less than 0.1 mm,is processed by counter current leaching at 30 ℃ for 60 min with the liquid-solid ratio （i. e. the mass ratio of the returned releaching solution to calcine ） of 4 ： 1 . Then , the counter current leaching residue is acidized at 100 ℃ for 30 min by adding sulfuric acid with the acid ore ratio of 1 ~ 1. Finally, the acidifica- tion residue is releached at 30 ℃ for 60 min by adding water with the liquid-solid ratio of 4 ： 1. Through the above process,the BeO content of the leaching residue decreases to 0.14%,the leaching rate of beryll- ium reaches 88.88% ,and the leaching solution can be used for subsequent beryllium oxide extraction.
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Basic Information:
DOI：
Chinese Library Classification Number:TF824[冶金工程—有色金属冶金]
Citation Information:
A new metallurgical process of roasting-counter current leaching-acidification-releaching is developed to treat the low grade beryllium concentrate with BeO content of 1.13%. Firstly,the beryllium conc entrate is roasted at 1 050 ℃ for 120 min and the resultant calcine,ground to the particle size less than 0.1 mm,is processed by counter current leaching at 30 ℃ for 60 min with the liquid-solid ratio （i. e. the mass ratio of the returned releaching solution to calcine ） of 4 ： 1 . Then , the counter current leaching residue is acidized at 100 ℃ for 30 min by adding sulfuric acid with the acid ore ratio of 1 ~ 1. Finally, the acidifica- tion residue is releached at 30 ℃ for 60 min by adding water with the liquid-solid ratio of 4 ： 1. Through the above process,the BeO content of the leaching residue decreases to 0.14%,the leaching rate of beryll- ium reaches 88.88% ,and the leaching solution can be used for subsequent beryllium oxide extraction.
quote
| GB/T 7714-2015 | [1] LIU Yong, LIU Mu-dan, LIU Zhen-zhen, et al. Experimental Research on a New Metallurgical Process to Treat Low-grade Beryllium Concentrate[J]. Rare Metals and Cemented Carbides, 2014(2): 13-15. |
| MLA | [1] LIU Yong, et al., "Experimental Research on a New Metallurgical Process to Treat Low-grade Beryllium Concentrate." Rare Metals and Cemented Carbides, no. 2, 2014, pp. 13-15. |
| APA | [1] LIU Yong, LIU Mu-dan, LIU Zhen-zhen, & WAN Li. (2014). Experimental Research on a New Metallurgical Process to Treat Low-grade Beryllium Concentrate. Rare Metals and Cemented Carbides(2), 13-15. |
| IEEE | [1] LIU Yong, LIU Mu-dan, LIU Zhen-zhen, and WAN Li, "Experimental Research on a New Metallurgical Process to Treat Low-grade Beryllium Concentrate," Rare Metals and Cemented Carbides, no. 2, pp. 13-15, 2014. keywords: {low grade beryllium concentrate;chrysoberyl ore;roasting;counter current leaching;acidificatlon;new progress} |