Results 41 to 50 of about 1,378 (225)
Underground coal gasification - the Velenje Coal Mine energy and economic calculations [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2017 Underground coal gasification (UCG) is a viable possibility for the exploitation of vast coal deposits that are unreachable by conventional mining and can meet the energy, economic and environmental demands of the 21st century.
Konovšek Damjan +6 more
doaj +1 more source
Recent Development on Underground Coal Gasification and Subsequent CO2 Storage [PDF]
, 2015 Underground coal gasification (UCG) is the in-situ conversion of deep underground coal to synthesis gas for heating, chemical manufacturing and power generation. UCG has been the subject of extensive pilot testing but technical and environmental concerns
Böckenholt, U. +6 more
core +3 more sources
CFD Simulation of Temperature Variation in Carboniferous Rock Strata During UCG
Journal of Sustainable Mining, 2013 The numerical simulation was based on the computational fluid dynamics formalism in order to identify the change of temperature in rock strata during underground coal gasification (UCG).
Tomasz Janoszek +2 more
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Quantitative Evaluation of Underground Coal Gasification Based on a CO2 Gasification Agent
Energies, 2023 Using carbon dioxide as a gasification agent for underground coal gasification (UCG) can not only reduce carbon dioxide emissions but is also expected to lead to a new natural gas technology revolution and ensure national energy security.
Hao Chen +7 more
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Prediction method of surface subsidence due to underground coal gasification under thermal coupling
Meitan kexue jishu, 2023 Underground coal gasification (UCG) is an essential part of the low-carbon green coal mining technology system. The implementation of the “double carbon” goal of the coal industry has brought excellent development opportunities for UCG. However, UCG will
Huaizhan LI +6 more
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Soviet experience of underground coal gasification focusing on surface subsidence [PDF]
, 2015 Global coal mining activity is increasing due to demands for cheap energy and the availability of large coal deposits around the world; however, the risks associated with conventional coal mining activities remain relatively high.
Derbin, Y +3 more
core +2 more sources
An Overview of the Chinese UCG Program
Data Science Journal, 2007 Coal is the dominant source of energy in China, but about 50% of the coal resource is left underground unmined. Because of this, the "long-tunnel, large section, two-stage" Underground Coal Gasification (UCG) technology has been put forward, and the UCG ...
Yulan Li, Xinxing Liang, Jie Liang
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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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Eng, 2023 Underground coal gasification (UCG) is the process of directly recovering energy as combustible gases such as hydrogen and carbon monoxide by combusting unmined coal resources in situ.
Rika Iriguchi +8 more
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An analysis of new generation coal gasification projects
International Journal of Mining Science and Technology, 2012 The global trends of increasing oil and gas costs have compelled coal possessing countries to start long term underground coal gasification (UCG) projects.
Efim Vulfovich Kreynin
doaj +1 more source