Stone coal in China: A review

S Dai, X Zheng, X Wang, RB Finkelman… - Coal Geology of …, 2020 - taylorfrancis.com
Stone coal is defined as a combustible, low-heat value, high-rank black shale of early
Paleozoic (in a few cases, Permian) age, widely distributed in southern China. Attention has …

A novel approach for pre-concentrating vanadium from stone coal ore

B Yan, D Wang, L Wu, Y Dong - Minerals Engineering, 2018 - Elsevier
Stone coal, a kind of important vanadium-bearing resources in China, accounts for about
87% of the domestic reserves of vanadium. But the currently developed techniques to extract …

[HTML][HTML] Optimized magnetic separation for efficient recovery of V and Ti enriched concentrates from vanadium-titanium magnetite ore: Effect of grinding and magnetic …

Y Han, S Kim, B Go, S Lee, S Park, HS Jeon - Powder Technology, 2021 - Elsevier
We present an optimized magnetic separation process to improve the recovery of high-
content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) ore …

Multistage suspension roasting of refractory stone coal: enhanced extraction based on decarburization and vanadium oxidation

S Yuan, M He, R Wang, Y Jin, Y Li - Powder Technology, 2022 - Elsevier
An innovative multistage suspension roasting technology for vanadium leaching from stone
coal is proposed. The results reveal that 53.13% of the carbon is removed during the first …

Soil vanadium pollution and microbial response characteristics from stone coal smelting district

X Xiao, Y Miao, Z Guo, Z Jiang, Y Liu… - Transactions of Nonferrous …, 2015 - Elsevier
A field investigation was performed to study the content, speciation and mobility of
vanadium, as well as microbial response in soil from a stone coal smelting district in Hunan …

[PDF][PDF] Recovery of vanadium and nickel from spent-residue oil hydrotreating catalyst by direct acid leaching-solvent extraction

Q Teng, ZC Yang, HJ Wang - Transactions of Nonferrous Metals …, 2023 - researchgate.net
A process for the selective extraction and separation of vanadium and nickel from spent-
residue oil hydrotreating catalysts by a direct acid leaching− solvent extraction method was …

[HTML][HTML] 从含钒页岩中提取五氧化二钒的研究进展

亢选雄, 叶国华, 朱思琴, 梁雪崟 - 钢铁钒钛, 2022 - gtft.cn
介绍了含钒页岩提钒的主要环节, 包括预富集, 焙烧, 浸出等, 分析讨论了各环节的优缺点.
含钒页岩的预富集可以提高原矿中钒的品位, 降低矿石处理量, 提高含钒页岩资源的有效利用率 …

Influence of metal ions on muscovite and calcite flotation: With respect to the pre-treatment of vanadium bearing stone coal

X Wang, Y Zhang, T Liu, Z Cai - Colloids and Surfaces A: Physicochemical …, 2019 - Elsevier
This work focused on the removal of calcite from the decarburized stone coal using flotation.
The influence of Al 3+, Fe 3+, and Ca 2+ on the flotation behavior of muscovite and calcite …

Heterotrophic bioleaching of vanadium from low-grade stone coal by aerobic microbial consortium

H Zhang, J Shi, C Chen, M Yang, J Lu… - International Journal of …, 2022 - mdpi.com
Bioleaching is a viable method that assists in increasing the vanadium output in an
economical and environmentally friendly manner. Most bioleaching is conducted by pure …

Pre-concentration of vanadium from stone coal by gravity using fine mineral spiral

X Liu, Y Zhang, T Liu, Z Cai, K Sun - Minerals, 2016 - mdpi.com
Due to the low grade of V2O5 in stone coal, the existing vanadium extraction technologies
face challenges in terms of large handling capacity, high acid consumption and production …