Results 71 to 80 of about 1,378 (225)

Обоснование параметров формирования полостей расслоения в породах кровли при газификации угольного пласта [PDF]

, 2016
Purpose. Underground coal gasification, as a complex and technically difficult process, should be supported in many aspects by computer simulations or analytical calculations of rock mass behavior.
Dychkovskyi, R, Falshtynskyi, V, Lozynskyi, V, Saik, P, Tabachenko, M   +4 more
core   +1 more source

A Review of Research on Cavity Growth in the Context of Underground Coal Gasification

Energies, 2022
Underground Coal Gasification (UCG) is a leading-edge technology for clean and effective utilization of coal resources, especially for deep coal seams with a depth of more than 1000 m.
Huijun Fang, Yuewu Liu, Tengze Ge, Taiyi Zheng, Yueyu Yu, Danlu Liu, Jiuge Ding, Longlong Li   +7 more
doaj   +1 more source

Experimental forward and reverse in situ combustion gasification of lignite with production of hydrogen-rich syngas

International Journal of Coal Science & Technology, 2014
This research focused on the feasibility of applying the forward and reverse combustion approach to the in situ gasification of lignite with the production of hydrogen-rich syngas (H2 and CO).
Yong Cui, Jie Liang, Zhangqing Wang, Xiaochun Zhang, Chenzi Fan, Xuan Wang   +5 more
doaj   +1 more source

Early Ideas in Underground Coal Gasification and Their Evolution

Energies, 2009
This article follows the development of early UCG (underground coal gasification) ideas. Historical facts are discussed mainly from the technological perspective and early experiments in UCG are analyzed.
Alexander Y. Klimenko
doaj   +1 more source

Review of key characteristics of UCG from a multi-scale perspective

Meitan xuebao
Underground Coal Gasification (UCG) is a clean and efficient technology for coal exploitation and utilization with broad application prospects. From a multi-scale perspective, the research systematically explores the “five-multi” characteristics of UCG ...
Zhuocheng HU, Jun YAO, Hai SUN, Longlong LI, Guoqiang AN, Zhaohui WU, Xia YAN   +6 more
doaj   +1 more source

Large-scale Experimental Investigations to Evaluate the Feasibility of Producing Methane-Rich Gas (SNG) through Underground Coal Gasification Process. Effect of Coal Rank and Gasification Pressure

Energies, 2020
An experimental campaign on the methane-oriented underground coal gasification (UCG) process was carried out in a large-scale laboratory installation.
Krzysztof Kapusta, Marian Wiatowski, Krzysztof Stańczyk, Renato Zagorščak, Hywel Rhys Thomas   +4 more
doaj   +1 more source

Key technologies for low-carbon modern coal-based energy

Meitan xuebao
Coal energy has made a significant contribution to the development of human industrialization, but coal energy is faced with the major problem of high carbon emissions. Modern coal-based energy is a new path to crack the contradiction between coal energy
Shirong GE, Shuqin LIU, Jingli FAN, Yixin ZHAO, Teng TENG   +4 more
doaj   +1 more source

Achieving climate neutrality in coal mining regions through the underground coal gasification [PDF]

E3S Web of Conferences
Coal mining regions face significant challenges in transitioning towards climate neutrality due to their dependence on fossil fuel extraction. This research explores the potential of underground coal gasification (UCG) technology as a pathway towards ...
Saik Pavlo, Dychkovskyi Roman, Lozynskyi Vasyl, Falshtynskyi Volodymyr, Ovcharenko Alina   +4 more
doaj   +1 more source

Introduction [PDF]

, 2012
Global energy security throughout the next century will continue to depend significantly on fossil fuel and nuclear whilst unlocking the potential of renewable as well as unconventional sources.
Ludden, John
core   +4 more sources

Modelling of Gas Flow in the Underground Coal Gasification Process and its Interactions with the Rock Environment

Journal of Sustainable Mining, 2013
The main goal of this study was the analysis of gas flow in the underground coal gasification process and interactions with the surrounding rock mass. The article is a discussion of the assumptions for the geometric model and for the numerical method for
Tomasz Janoszek, M. Jacek Łączny, Krzysztof Stańczyk, Adam Smoliński, Marian Wiatowski   +4 more
doaj   +1 more source