Results 31 to 40 of about 215 (139)
Cold Flow Simulation in Underground Coal Gasification (UCG) Cavities
Underground coal gasification (UCG), in the recent years, have gathered a significant amount of interest from the researchers because of its advantages over conventional mining and utilization techniques. It is one of the most promising and innovative technology where coal is gasified in-situ by injection of a suitable oxidant for the production of ...
Satish Kumar Gupta+3 more
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In the underground coal gasification (UCG) process, cavity growth with crack extension inside the coal seam is an important phenomenon that directly influences gasification efficiency. An efficient and environmentally friendly UCG system also relies upon
Gota Deguchi+4 more
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Underground coal gasification (UCG) is a technique to recover coal energy without mining by converting coal into a valuable gas. Model UCG experiments on a laboratory scale were carried out under a low flow rate (6~12 L/min) and a high flow rate (15~30 L/
Akihiro Hamanaka+5 more
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The Underground Coal Gasification Process in Laboratory Conditions: An Experimental Study
The underground coal gasification (UCG) process represents a modern and effective coal mining technology that enables coal energy extraction through thermic decomposition.
Marek Laciak+3 more
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Evaluation of a Compact Coaxial Underground Coal Gasification System Inside an Artificial Coal Seam
The Underground Coal Gasification (UCG) system is a clean technology for obtaining energy from coal. The coaxial UCG system is supposed to be compact and flexible in order to adapt to complicated geological conditions caused by the existence of faults ...
Fa-qiang Su+5 more
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Computational Studies for Underground Coal Gasification (UCG) Process
Underground coal gasification (UCG) is a well proven technology in order to access the coal lying either too deep underground, or is otherwise too costly to be extracted using the conventional mining methods. UCG product gas is commonly used as a chemical feedstock or as fuel for power generation.
openaire +2 more sources
Underground Coal Gasification (UCG) is a promising process for recovering energy from potential underground coal resources as combustible gases such as hydrogen and carbon monoxide.
Akihiro HAMANAKA+7 more
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APPROACHES TO THE GAS CONTROL IN UCG
Underground Coal Gasification represents an alternative for conventional coal mining. This technology is also less expensive than traditional mining. It is expected that coal will be an important energy source in the coming decades.
Ján Kačur, Karol Kostúr
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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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This study proposes the deep residual shrinkage network (DRSN), a model combining advanced strategies for rapid and accurate lithology prediction. It enables efficient lithology evaluation in early underground coal gasification. ABSTRACT Lithology identification is a crucial task in coal underground gasification projects, serving as a prerequisite for ...
Jialiang Guo, Ruizhao Yang, Fengtao Han
wiley +1 more source