ABSTRACT
This chapter discusses the initial results of an in-house study to assess the relative value of a highly cleaned coal produced using a commercialized advanced coal cleaning process that was developed with DOE funding. The United States Department of Energy's Pittsburgh Energy Technology Center is responsibte for the conduct of the national R&D programs related to eiectric power generation based on the combustion of pulverized coal. Advanced coal preparation processes, some of which are being developed with DOE support, may allow the low-cost production of low-sulfur, low-ash fuels from medium-to high-sulfur bituminous coals. Conventionat cleaning removed about two-thirds of the ash and one-third of the total sutfur in the ROM coal. The advanced-cleaning process further reduced the ash content of the washed coal by nearly half for an overall reduction of over 80%. The ash-deposition parameters based on overall-ash chemistry indicate that all three coals should have a high-fouling propensity.
