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Title: Underground Coal Conversion: Use Of The Product
Author: Charles R. Greene
Source: American Gas Association 1982
Year Published: 1982
Abstract: Underground coal gasification (UCG) is perceived as an opportunity to use a larger fraction of the nations coal resources. The market for the gas produced is either as fuel or as a raw material for synthesis of chemicals. Low-Btu gas (I.BG) or medium-Btu gas (MBG) from UCG is unacceptable for direct injection into gas transmission systems because introduction of significant amounts would require the modification of burner systems. The use of MBG from UCG as a feedstock for the preparation of synthesis gas (H2/CO 2) as a feedstock for the chemical production is unattractive economically when compared to aboveground gasification of mined coal. The market opportunity for UCG is therefore limited to the production of fuel gas. The fuel gas could be employed at the well-head to generate electricity, produce hydrogen, or serve as the fuel for energyintensive industries such as petroleum refining. However, the geographic location of coal seams amenable to UCG restricts these market applications primarily to electricity generation. The primary market for this export electricity would be California. However, the present electrical transmission network may prove inadequate to meet Californias needs.

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