Effect of oxygen and steam on gasification and power generation in industrial tests of underground coal gasification

W Huang, Z Wang, T Duan, L Xin - Fuel, 2021 - Elsevier
To optimize the gasification process and improve the underground coal gasification (UCG)
technology for power generation, a pilot project of UCG integrated with the power generation …

Effect of injection flow rate on product gas quality in underground coal gasification (UCG) based on laboratory scale experiment: development of co-axial UCG system

A Hamanaka, F Su, K Itakura, K Takahashi, J Kodama… - energies, 2017 - mdpi.com
Underground coal gasification (UCG) is a technique to recover coal energy without mining
by converting coal into a valuable gas. Model UCG experiments on a laboratory scale were …

Technical application of safety and cleaner production technology by underground coal gasification in China

J Xie, L Xin, X Hu, W Cheng, W Liu, Z Wang - Journal of Cleaner Production, 2020 - Elsevier
A new residual coal gasification mining system is proposed to utilize in-situ residual coal,
mine water, and carbon dioxide for clean combustible gas production. Based on the …

Underground coal gasification using oxygen and steam

LH Yang, X Zhang, S Liu - Energy Sources, Part A: Recovery …, 2009 - Taylor & Francis
In this paper, through model experiment of the underground coal gasification, the effects of
pure oxygen gasification, oxygen-steam gasification, and moving-point gasification methods …

Method of oxygen-enriched two-stage underground coal gasification

L Hongtao, C Feng, P Xia, Y Kai, L Shuqin - Mining Science and …, 2011 - Elsevier
Two-stage underground coal gasification was studied to improve the caloric value of the
syngas and to extend gas production times. A model test using the oxygen-enriched two …

A contrast study on different gasifying agents of underground coal gasification at Huating Coal Mine

Z Wang, W Huang, P Zhang, L Xin - Journal of Coal Science and …, 2011 - Springer
To optimize the technological parameter of underground coal gasification (UCG), the
experimental results of air gasification, air-steam gasification, oxygen-enrichment steam …

Thermodynamic equilibrium simulation on the synthesis gas composition in the context of underground coal gasification

Z Hu, Y Peng, F Sun, S Chen, Y Zhou - Fuel, 2021 - Elsevier
Underground coal gasification is a promising technology involved with the in-situ conversion
of coal resources into a high-quality synthesis gas with low cost. A thermodynamic …

Energy recovery evaluation and temperature field research of underground coal gasification under different oxygen concentrations

F Su, T Zhang, J Wu, Q Deng, A Hamanaka, Y Yu… - Fuel, 2022 - Elsevier
In this paper, UCG simulation experiments were carried out on selected coal samples to
study the effects of the gasification agent ratio on the product gas composition and calorific …

Experimental simulate on hydrogen production of different coals in underground coal gasification

Z Yin, H Xu, Y Chen, T Zhao, J Wu - International Journal of Hydrogen …, 2023 - Elsevier
Research on hydrogen production from coal gasification is mainly focused on the formation
of CO and H 2 from coal and water vapor in high-temperature environments. However, in the …

Characteristics of underground gasification of different kinds of coal

S Liu, J Liang, X Yu, L Lu - Journal of China University of Mining and …, 2003 - osti.gov
Based on UCG (underground coal gasification) model test and theoretical analysis, the
characteristics of underground gasification of different coal were studied from the aspect of …