Abstract

The Energy and Environmental Research Corporation (EER) and the Pennsylvania State University are engineering the conversion of an existing heavy fuel oil and natural gas-fired watertube boiler at a US Department of Defense (DOD) facility to fire either micronized coal-water slurry fuel (MCWSF) or dry, micronized coal (DMD). The retrofit is being conducted as part of a program for DOD and the US Department of Energy in which coal-based technologies are being evaluated to determine the technical and economic viability of replacing heavy fuel oil with coal in industrial-sized boilers. Retrofit options currently being evaluated are the direct firing of MCWSF and DMC, and coal precombustion technologies. The status of the evaluations and designs of the MCWSF and DMC direct firing technologies is presented.

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