Recovery of Tungsten and Molybdenum from Low-Grade Scheelite
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Key Laboratory of Hunan Province for Metallurgy and Material Processing of Rare Metals, Changsha, People’s Republic of China
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Publication type: Journal Article
Publication date: 2017-07-10
scimago Q2
wos Q2
SJR: 0.522
CiteScore: 3.7
Impact factor: 2.3
ISSN: 10474838, 15431851
General Materials Science
General Engineering
Abstract
With most high-quality tungsten ores being exhausted, the enhancement of low-grade scheelite concentrates processing has attracted a great deal of attention. The objective of this study is to develop a method to maximize the recovery tungsten and molybdenum from a low-grade scheelite via a new acid leaching process followed by solvent extraction. Under optimal conditions (350 g/L H2SO4, 95°C, and 2 h), approximately 99.8% of tungsten and 98% of molybdenum were leached out. In the subsequent solvent extraction process, more than 99% of the tungsten and molybdenum were extracted with a co-extraction system (50% TBP, 30% HDEHP, and 10% 2-octanol in kerosene) using a three-stage cross-flow extraction. The raffinate can be recycled for the next leaching process after replenishing the H2SO4 to the initial value (approximately 350 g/L). Based on these results, a conceptual flowsheet is presented to recover tungsten and molybdenum from the low-grade scheelite.
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Total citations:
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Citations from 2024:
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(19.35%)
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MLA
Cite this
GOST
Copy
Li Y. et al. Recovery of Tungsten and Molybdenum from Low-Grade Scheelite // JOM. 2017. Vol. 69. No. 10. pp. 1958-1962.
GOST all authors (up to 50)
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Li Y., Yang J., Zhao Z. Recovery of Tungsten and Molybdenum from Low-Grade Scheelite // JOM. 2017. Vol. 69. No. 10. pp. 1958-1962.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1007/s11837-017-2440-5
UR - https://doi.org/10.1007/s11837-017-2440-5
TI - Recovery of Tungsten and Molybdenum from Low-Grade Scheelite
T2 - JOM
AU - Li, Yongli
AU - Yang, Jinhong
AU - Zhao, Zhongwei
PY - 2017
DA - 2017/07/10
PB - Springer Nature
SP - 1958-1962
IS - 10
VL - 69
SN - 1047-4838
SN - 1543-1851
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2017_Li,
author = {Yongli Li and Jinhong Yang and Zhongwei Zhao},
title = {Recovery of Tungsten and Molybdenum from Low-Grade Scheelite},
journal = {JOM},
year = {2017},
volume = {69},
publisher = {Springer Nature},
month = {jul},
url = {https://doi.org/10.1007/s11837-017-2440-5},
number = {10},
pages = {1958--1962},
doi = {10.1007/s11837-017-2440-5}
}
Cite this
MLA
Copy
Li, Yongli, et al. “Recovery of Tungsten and Molybdenum from Low-Grade Scheelite.” JOM, vol. 69, no. 10, Jul. 2017, pp. 1958-1962. https://doi.org/10.1007/s11837-017-2440-5.