Results 31 to 40 of about 56,023 (314)
Mathematics, 2022 In this paper, in order to understand the development process and influencing factors of coal underground gasification, taking the two-dimensional underground gasification area of the plane as the simulation object, the characteristics of the multi ...
Zhizhen Zhang +3 more
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Monitoring of coal fracturing in underground coal gasification by acoustic emission techniques [PDF]
, 2017 During the underground coal gasification (UCG) process, fracturing and cracks occur inside the gasification zone and surrounding rocks as the underground coal cavity evolves.Although fracturing activity and crack extension directly affect gasification ...
Faqiang Su +3 more
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Preparation and Properties of High Water Filling Material for Coal Gasification Slag
Meikuang Anquan, 2020 In order to solve the collapse problem of underground coal gasification and reduce the dissolution of heavy metal cadmium from underground coal gasification slag, the high water filling material of coal gasification slag was prepared by the solution ...
XU Yang, XU Zaigang, XIE Hongfei, LI Cuiqin, CAO Yang, CHEN Qianlin
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Meitan xuebao, 2023 During the underground coal gasification process, the thermal stress produced at high temperatures will lead to coal cracking, which may cause gas leakage.
Faqiang SU +7 more
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Studying the features of the implementation of underground coal gasification technology in terms of Lvivvuhillia SE [PDF]
E3S Web of Conferences, 2020 Topical issues of the possibilities for changes in the coal extraction technology in terms of Stepova mine of Lvivvuhillia SE have been highlighted. Analysis of the current state of mining operations has been carried out.
Saik Pavlo +5 more
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Integrated analysis of geofiltrational parameters in the context of underground coal gasification relying upon calculations and modeling [PDF]
, 2018 Objective of the paper is to substantiate and implement the integrated approach aimed at the studies of filtration and mass-transfer processes within roof rocks of coal seams in the context of their underground ...
Dereviahina, Nataliia +7 more
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Possibility to Reduce Dependence of Belarus on External Gas Energy Carrier
Наука и техника, 2004 The paper contains data on brown coal reserves in Belarus. Method of underground gasification of coal is described in the paper. The paper reveals advantages of underground gasification of coal in comparison with traditional methods (underground and open
B. A. Bogatov, V. S. Voitenko
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Innovative aspects of underground coal gasification technology in mine conditions [PDF]
, 2018 Purpose. Development of innovative approaches in technological and technical solutions improvement for coal seam gasification. Methods. Carrying-out of native and world experience in the coal reserves development by underground gasification technology ...
Dychkovskyi, R +4 more
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Energies, 2021 The underground coal gasification (UCG) represents an effective coal mining technology, where coal is transformed into syngas underground. Extracted syngas is cleaned and processed for energy production.
Ján Kačur +3 more
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Study of Methods and Development of Technological Scheme for Heat Removal from Rock Waste Dump [PDF]
, 2017 The aim of this paper is to study the methods and develop technological scheme for thermal energy removal from coal mine rock waste dumps. The prospects of renewable energy sources development in Ukraine are analyzed.
Saik, Pavlo
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