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Research on evaluation technology system of mid-deep underground coal gasification based on researchers from China [PDF]

Heliyon
Underground coal gasification is of great strategic significance to the effective and clean development of coal resources and scale up production of natural gas worldwide.
xinjun Chen, shihu Zhao, zengqin Liu, gang Chen   +3 more
doaj   +2 more sources

Research on property and burning behavior of flammable casing for underground coal gasification [PDF]

Heliyon, 2023
In this work, the comprehensive properties of flammable casing for underground coal gasification is systematically investigated, including flammable casing material physical, chemical and mechanical properties and full-size flammable casing mechanical ...
Xiangyi Ren, Jianjun Wu, Cankun Wang, Junfeng Xie, Jianjun Wang, Mingtao Liu, Lihong Han   +6 more
doaj   +2 more sources

Underground coal gasification and its strategic significance to the development of natural gas industry in China

Petroleum Exploration and Development, 2019
Based on the present situation and trend of underground coal gasification in China and overseas, this article puts forward the basic concept, mechanism and mode of underground coal gasification, and presents the challenges, development potential and ...
Caineng Zou, Fenjin Sun, Shanshan Chen   +2 more
exaly   +3 more sources

Key technologies and prospect for in-situ gasification mining of deep coal resources

矿业科学学报, 2021
China has rich reserves of deep coal resources, and underground coal gasification can transform coal into gas and transport it to the ground, which is an important way for in-situ fluidized mining of deep coal.This article introduces the development ...
Liu Shuqin, Chang Zhibing, Liu Jinchang
doaj   +1 more source

Carbon emission accounting and carbon reduction analysis for deep coal underground gasification to hydrogen

Meitan kexue jishu, 2023
Innovating coal development and utilization technology to reduce carbon emissions during the whole life cycle of coal from production to utilization is a coal-based clean energy route that meets the characteristics of China's energy endowments ...
LIU Shuqin, LIU Huan, JI Yutong, GUO Wei
doaj   +1 more source

Analysis of recovery rate for underground coal gasification based on strength and permeability

Meitan xuebao, 2023
The medium and deep underground coal gasification (UCG) is a new technology of coal utilization, and there is still lack of criterions to evaluate recovery rate.
Pengcheng HAO, Chuangye WANG, Meng LIU, Wangkun CAO, Xiang LI, Shuxia YUAN, Song WU, Wenjiao QI   +7 more
doaj   +1 more source

Current status and technology development in implementing low carbon emission energy on underground coal gasification (UCG)

Frontiers in Energy Research, 2023
Although coal mining has played a substantial role in world’s development as a critical fuel source for at least 25 years, its value is partly offset by the massive environmental issues it presents during combustion.
Shadrack Adjei Takyi, Yindi Zhang, Yindi Zhang, Mengting Si, Fanjin Zeng, Yingnan Li, Paitoon Tontiwachwuthikul   +6 more
doaj   +1 more source

Regression Models Utilization to the Underground Temperature Determination at Coal Energy Conversion

Energies, 2021
The underground coal gasification represents a technology capable of obtaining synthetic coal gas from hard-reached coal deposits and coal beds with tectonic faults. This technology is also less expensive than conventional coal mining.
Milan Durdán, Marta Benková, Marek Laciak, Ján Kačur, Patrik Flegner   +4 more
doaj   +1 more source

A Thermal-Hydrological-Mechanical-Chemical Coupled Mathematical Model for Underground Coal Gasification with Random Fractures

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, Xiao Yang, Xiaoji Shang, Huai Yang   +3 more
doaj   +1 more source

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
doaj   +1 more source