A remining technology of underground coal gasification at Zhongliangshan Coal Mine |
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| Authors: | Zuo-tang Wang Xue-ping Ding Li-wen Huo Guo-xiong Wang Rudolph |
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| Affiliation: | [1]State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou 221016, China [2]School of Mining Engineering, China University of Mining and Technology, Xuzhou 221008, China [3]Chongqing Zhongliangshan Coal-electricity-gas Co., Ltd., Chongqing 400052, China [4]School of Engineering, University of Queensland, Qld 4072, Australia |
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| Abstract: | The field trail used a mixture of steam and air with various levels of oxygen enrichment. Steady conditions were achieved in the field trail which produced high quality hydrogen-enriched syngas. To understand and optimize the UCG process, a simplified heat and mass transfer model was presented, providing a predictive tool for temperature and the major constituents of the syngas production. The model is compared with the field trail measurements for air and two levels of oxygen enrichment, showing reasonable agreement for the channel temperature and product syngas concentration profile. Supported by the Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of Chinese (02019); Anhui Province Science and Technology Tackling Key Project(08010202058) |
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| Keywords: | remining technology underground coal gasification (UCG) field trail controlled moving injector |
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