Coalbed methane extraction and utilization

Author:

Creedy D1,Tilley H2

Affiliation:

1. Wardell Armstrong Newcastle-under-Lyme, Staffordshire, UK

2. Didcot Future Energy Solutions, Harwell Oxfordshire, UK

Abstract

Coalbed methane (CBM) is the generic name for all methane of coal seam origin. It is a natural gas formed by geological, or biological, processes in coal seams and generally consists predominantly of methane, but may also contain some higher alkanes and non-combustible gases. Methane is released whenever coal is de-stressed or fractured by mining. Methane is one of the main greenhouse gases contributing to global warming, therefore releasing it to atmosphere is an environmental hazard. However, it is also an important energy resource and can be recovered from operational coal mines, abandoned coal mines, and virgin (unmined) coal seams. Significant volumes of CBM are exploited worldwide for space heating, industrial processes, and power generation. This paper critically reviews the current UK and worldwide status of CBM extraction and utilization technologies building on a previous study funded through the Department of Trade and Industry's Cleaner Coal Technology Programme [1].

Publisher

SAGE Publications

Subject

Mechanical Engineering,Energy Engineering and Power Technology

Reference13 articles.

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