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Title: Coal mine burns drainage gas to generate power for profit

Journal Article · · Gas Turbine World; (United States)
OSTI ID:5402317

A recently commissioned gas turbine power plant that uses methane gas recovered from a coal mine is described. The power plant uses the ASEA Stal GT35B series gas turbines with a base load rating on gas of 12.9 MW at 29.3% efficiency. The plant was installed at a cost of $4 million, as part of an extensive system for removing the methane from the coal mine, enabling higher ratio of coal production to be achieved in safety with modern longwall mining techniques. The plant will save the mine up to $250,000 per month on its electricity bill plus generate profit from the sale of surplus power to the local activity.

OSTI ID:
5402317
Journal Information:
Gas Turbine World; (United States), Vol. 15:2
Country of Publication:
United States
Language:
English