An Analysis of High-BTU Coal Gasification Cost Estimates

by Ron Hess, Gary F. Mills


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Presents the results of an analysis of the projected capital costs of coal gasification subsystems and of high-BTU coal gasification plants. Section II reviews high-BTU coal gasification processes, selects the most appropriate for analysis, indicates the current status of development, and identifies major technical uncertainties. Section III describes the method of analysis, data collection, and evaluation criteria. Section IV presents the results of the analysis of gasification subsystem and whole plant cost estimates. Appendix A compares a system using a standard dry-ash Lurgi gasifier with a system using a higher temperature slagging Lurgi gasifier. Appendix B describes an integrated gasification/combined cycle power plant using the Texaco entrained flow gasifier. Appendix C contains explanatory variable definitions.

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