Enriched-air and oxygen gasification of Illinois No. 6 coal in a Texaco coal-gasification unit
1982
Four runs were made with Illinois No. 6 coal, from Peabody Coal Company River King Mine at Freeburg, Illinois, to demonstrate technology to integrate the Texaco Coal Gasification Process in an environmentally acceptable manner with gas turbines for combined cycle electric power generation. Operability and response of the gasifier and a Selexol acid gas removal unit were demonstrated during load changes utilizing both oxygen and enriched air as oxidants (transient runs). Steady state performance data on the gasifier, Selexol unit and gas turbine combustor were obtained at a variety of oxygen to coal ratios at different production rates utilizing each oxidant (steady state runs). Essentially no effect of charge rate on the syngas quality was noted. Environmental base line data were gathered for both oxidants. Results of the environmental tests and the turbine combustor tests are reported separately.
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