General layout of an underground coal gasifier. Note: not to scale;

Energies, Free Full-Text

Underground coal gasification – Part I: Field demonstrations and process performance - ScienceDirect

Graphical comparison of conventional and unconventional resources.

Evidence of coal conversion in the Majuba underground coal gasification pilot plant, South Africa

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Underground coal gasification – Part II: Fundamental phenomena and modeling - ScienceDirect

Energies, Free Full-Text

Energies, Free Full-Text

PDF) Experimental study of methane-oriented gasification of semi-anthracite and bituminous coals using oxygen and steam in the context of underground coal gasification (UCG): Effects of pressure, temperature, gasification reactant supply rates and

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