Underground Coal Gasification UCG is a process which include........

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Underground Coal Gasification (UCG) is a process which include

a method of burying coal/lignite resources deep beneath earth to enhance pressure for the gasification

an in-situ gasification process carried out in non-mined coal seams and bringing the product gas to surface through production wells drilled from the surface

The action of microorganisms on coal within a landfill to produce mix of different gases

A method of burying the coal/lignite resources and administering chemical reactions to convert it into gas

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Explanation:

Underground Coal Gasification (UCG) is a process which include an in-situ gasification process carried out in non-mined coal seams and bringing the product gas to surface through production wells drilled from the surface.
The predominant product gases are methane, hydrogen, carbon monoxide and carbon dioxide. Ratios vary depending upon formation pressure, depth of coal and oxidant balance. Gas output may be combusted for electricity production.