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U.S. Department of Energy
Office of Scientific and Technical Information

Coal-mixture fuels for utility and industrial applications

Technical Report ·
OSTI ID:6978805
In support of DOE/FE's Office of Planning and Environment, MITRE has reviewed the technology status and potential economic and strategic impact of coal-mixture fuels for displacing the use of premium fuels in utility and industrial applications. The major contribution of this effort to DOE's mission has been the development of a series of analytical models for estimating the performance (efficiency, emissions, auxiliary power needs), capital cost, and levelized, life-cycle cost of product (electricity or steam) for utility steam power plants and industrial steam boilers. Inputs for the analysis include: fuel composition and cost; combustion parameters; plant size; emissions control strategy (equipment); and, financial parameters. MITRE's analysis shows coal-oil and coal-water mixtures to offer substantial (10 to 30%) savings in levelized cost of electricity when retrofitted to existing oil-fired utility power plants; for large industrial boilers, coal-mixture retrofits are shown to yield savings of 8 to 19% in the levelized cost of steam. For new industrial steam plants, coal-water mixtures can offer significant (20%) savings over oil-fired alternatives. The projected economic benefits of coal-mixtures are shown to depend on two assumptions: (1) that the real escalation rate for oil prices over the plant lifetime is two (2) percentage points greater than that for coal; (2) that stack gas scrubbing will not be required for the coal-mixture-fueled plants. For new utility plants, it will be difficult for coal-water mixtures, even without stack gas scrubbers, to compete with new, more conventional coal-fired plants with scrubbers. 28 references, 14 figures, 21 tables.
Research Organization:
USDOE Assistant Secretary for Fossil Energy, Washington, DC. Office of Management, Planning and Technical Coordination
OSTI ID:
6978805
Report Number(s):
DOE/FE-0038; ON: DE84009879
Country of Publication:
United States
Language:
English