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Article

8 Citations

3,009 Views

19 Pages

Study on the Distribution Law of Coal Seam Gas and Hydrogen Sulfide Affected by Abandoned Oil Wells

Xiaoqi Wang,
Heng Ma,
Xiaohan Qi,
Ke Gao and
Shengnan Li

Energies2022, 15(9), 3373;https://doi.org/10.3390/en15093373

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5 May 2022

This paper is devoted to solving the problem of how to comprehensively control coal seam gas and hydrogen sulfide in the mining face, distributed from the coal seam in abandoned oil wells in coal mining resource areas. The abandoned oil wells of Ma t...

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Article

465 Views

14 Pages

Research on the Combined Inhibition of Sodium Sulfide and Sodium Thioglycollate for the Flotation Separation of Chalcopyrite and Molybdenite

Qianyu Sun,
Jiajun Chen,
Junchao He,
Jiayang Wu,
Dongdong Wang,
Mingliang Xie,
Miaomiao Li and
Kuizhou Dou

Minerals2025, 15(11), 1212;https://doi.org/10.3390/min15111212

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17 November 2025

Molybdenite and chalcopyrite closely coexist and have good natural floatability. During the Cu-Mo separation process, it is necessary to enhance the inhibition of chalcopyrite to reduce its influence on molybdenite. In this paper, a combined inhibito...

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