Underground coal gasification
S. Lavis, R. Courtney and S. Mostade, Clean Coal Ltd,UK
Abstract:
Underground coal gasification (UCG) is essentially the same well known chemical processes used in surface gasification that converts solid coal into a mixture of gases known as synthesis gas (or syngas). Rather than taking place in an expensive, purpose built reactor vessel, however, UCG takes place in coal seams while they are still buried deep underground. With a century of experimentation behind it, UCG is not a new technology. Relatively recent advancements in key enabling technologies have allowed UCG to develop into a safe, economic energy technology that is now at the stage of becoming commercialised in many countries around the world. ...
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