Investigation of underground coal gasification in laboratory conditions: A review of recent research

J Kačur, M Laciak, M Durdán, P Flegner - Energies, 2023 - mdpi.com
The underground coal gasification (UCG) technology converts coal into product gas and
provides the option of environmentally and economically attractive coal mining. Obtained …

Adoption of advanced coal gasification: A panacea to carbon footprint reduction and hydrogen economy transition in South Africa

SO Giwa, RT Taziwa - International Journal of Hydrogen Energy, 2024 - Elsevier
South Africa is an energy-intensive developing country in Africa and ranked as the 1st and
14th emitter of greenhouse gas (GHG) in Africa and the world, respectively. The abundance …

Analysis of syngas production and reaction zones in hydrogen oriented underground coal gasification

M Gür, ED Canbaz - Fuel, 2020 - Elsevier
Abstract Underground Coal Gasification (UCG) is an emerging technology that utilizes
unmined coals. In UCG process, coal is burned and gasified underground. Produced syngas …

Importance evaluation for influencing factors of underground coal gasification through ex-situ experiment and analytic hierarchy process

L Feng, S Zhou, X Xu, B Qin - Energy, 2022 - Elsevier
Underground coal gasification is a promising technology for low carbon utilization of coal,
while the importance of influencing factors for UCG performance is rarely evaluated …

H2 production enhancement in underground coal gasification with steam addition: Effect of injection conditions

L Feng, M Dong, B Qin, J Pang, S Babaee - Energy, 2024 - Elsevier
Hydrogen is a clean energy source, and its use helps to mitigate climate change.
Underground coal gasification for hydrogen production is a promising method for countries …

Energy recovery evaluation and temperature field research of underground coal gasification under different oxygen concentrations

F Su, T Zhang, J Wu, Q Deng, A Hamanaka, Y Yu… - Fuel, 2022 - Elsevier
In this paper, UCG simulation experiments were carried out on selected coal samples to
study the effects of the gasification agent ratio on the product gas composition and calorific …

Thermal-hydro-chemical-mechanical alteration of coal pores in underground coal gasification

L Jiang, Z Chen, SMF Ali - Fuel, 2020 - Elsevier
Underground coal gasification (UCG) is being considered an economically and
environmentally sustainable clean coal technology which converts coal in-situ into …

Experimental study of methane-oriented gasification of semi-anthracite and bituminous coals using oxygen and steam in the context of underground coal gasification …

S Sadasivam, R Zagorščak, HR Thomas, K Kapusta… - Fuel, 2020 - Elsevier
The results of ex-situ small-scale laboratory tests performed in a bespoke batch reactor
simulating coal gasification to find the most optimal experimental conditions for producing …

Study on the factors of hydrogen sulfide production from lignite bacterial sulfate reduction based on response surface method

Q Deng, S Li, M Yao, C Liu, Z Zhang, S Xiang - Scientific Reports, 2023 - nature.com
Bacterial sulfate reduction (BSR) is one of the key factors leading to the anomalous
accumulation of hydrogen sulphide in coal mines. Environmental factors such as …

Experimental study of underground coal gasification (UCG) of a high-rank coal using atmospheric and high-pressure conditions in an ex-situ reactor

R Zagorščak, S Sadasivam, HR Thomas, K Stańczyk… - Fuel, 2020 - Elsevier
This paper presents the results of an extensive experimental analysis of underground coal
gasification (UCG) using large bulk samples in an ex-situ reactor under atmospheric and …