Chuan Qi

Low-carbon transformation of coal-based energy: A novel underground coal gasification process mitigating CO2 emissions and enhancing syngas production

Chuan Qi, Xuan Li, Jiahong Cao, Weibin Wang et autres

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In-situ enhanced coal seam gasification via steam plasma: Spatially graded modification of carbon structure and oxygen-containing functional group

Chuan Qi, Jiahong Cao, Weibin Wang, Xiongchao Lin et autres

Mineral transformation behavior in coal ash slag during plasma underground coal gasification

Chuan Qi, Weibin Wang, Jiahong Cao, Xiongchao Lin et autres

Abstract Plasma underground coal gasification (PUCG) facilitates targeted carbon reduction reactions, tackling CO 2 emissions and effectively generating syngas that is rich in H 2 and CO. The mineralogical properties are essential for determining gasification parameters, managing production, and assessing environmental stability. …

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The green transition of coal-based energy: A plasma-driven carbon reorganization strategy for boosting reactivity in situ coal seams

Chuan Qi, Weibin Wang, Jiahong Cao, Xiongchao Lin et autres

The decarbonization of fossil fuel is crucial for balancing energy security and carbon management. Underground coal gasification (UCG) is a promising process because of its potential for mitigating ecological impacts, but its conventional autothermal approach with oxygen injection still generates substantial CO …

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Effect of strong reducing atmosphere on mineral transformation in high-iron and high-calcium coal during plasma underground coal gasification

Chuan Qi, Weibin Wang, Xiongchao Lin, Yueming Liu et autres

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Pore Structure Evolution of Semi-Coke Under Steam Atmosphere in the Context of Deep Underground Coal Gasification

Yueming Liu, Shuqin Liu, Xuan Li, Chuan Qi et autres

Composition modification and plasma vitrification of bottom ash from industrial hazardous waste incineration

Mingshui Ma, Chuan Qi, Xiongchao Lin, Ruijun Zhao et autres

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Mineralogy and geochemistry of ash and slag from coal gasification in China: a review

Shuqin Liu, Chuan Qi, Zhe Jiang, Yanjun Zhang et autres

China is the largest coal gasification market in the world. The gasifiers have been commercialized for producing syngas for coal-to-liquids, coal-to-olefin, and coal-to-substitute natural gas. During coal gasification at high temperature and pressure, the differences in reactivity of organic matter in coal …

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Minerals in the Ash and Slag from Oxygen-Enriched Underground Coal Gasification

Shuqin Liu, Chuan Qi, Shangjun Zhang, Yunpeng Deng

Underground coal gasification (UCG) is a promising option for the recovery of low-rank and inaccessible coal resources. Detailed mineralogical information is essential to understand underground reaction conditions far from the surface and optimize the operation parameters during the UCG process. It is …

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Mineralogy and Leaching Behavior of Ash & Residue from Underground Coal Gasification

Shuqin Liu, Chuan Qi, Yunpeng Deng, Shangjun Zhang