Effect of glycine on bioleaching of rare earth elements from Western Australian monazite by heterotrophic and autotrophic microorganisms

被引：20
|
作者：
Fathollahzadeh, Homayoun [1 ,2 ,3 ]
Khaleque, Himel N. [2 ]
Eksteen, Jacques [1 ]
Kaksonen, Anna H. [2 ]
Watkin, Elizabeth L. J. [4 ]
机构：
[1] Curtin Univ, Western Australian Sch Mines, GPO Box U1987, Perth, WA 6845, Australia
[2] CSIRO Land & Water, Private Bag 5, Wembley, WA 6913, Australia
[3] Univ Toronto, Dept Civil & Mineral Engn, Toronto, ON M5S 1A4, Canada
[4] Curtin Univ, Sch Pharm & Biomed Sci, CHIRI Biosci, GPO Box U1987, Perth, WA 6845, Australia
来源：
HYDROMETALLURGY | 2019年 / 189卷
关键词：
Monazite bioleaching; Enterobacter aerogenes; Acidithiobacillus ferrooxidans; Rare earth elements; Sustainable mining; Glycine; PHOSPHATE MINERALS; AMINO-ACIDS; SOLUBILIZATION; IRON;
D O I：
10.1016/j.hydromet.2019.105137
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The conventional hydrometallurgical recovery of rare earth elements (REEs) through highly basic and acidic processes is known to lead to many challenges including the production of toxic waste. An alternative process for bioleaching REEs from three different grades of monazite using heterotrophic (Enterobacter (E.) aerogenes) or autotrophic (Acidithiobacillus (A.) ferrooxidans) microorganisms in the presence of a benign biodegradable lixiviant, glycine (1 g L-1) was studied and evaluated. The combination of E. aerogenes and A. ferrooxidans and glycine decreased REEs bioleaching from monazite as compared to abiotic leaching or bioleaching in the absence of glycine.
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页数：8
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