Sulfur reduction potential, extensive physical coal

There have been several assessments of the potential of physical coal cleaning for reducing SO2 emissions (29-31). Maronde and Deurbrouck ( 1) estimated the maximum potential sulfur reduction that could be achieved through extensive cleaning of coals from the Northern Appalachian Region Maryland, Ohio,... 

The sulfur content of U.S. coals varies widely, ranging from a low of 0.2 percent to as much as 7 percent by weight, on a dry basis. The estimated remaining U.S. coal reserves of all ranks, by sulfur content, are shown in Fig. 27-1. Extensive data on sulfur and sulfur reduction potential, including washability, in U.S. coals are given in Sulfur and Ash Reduction Potential and Selected Chemical and Physical Properties of United States Coal (U.S. Dept, of Energy, DOE/PETC, TR-90/7, 1990 TR-91/1 and TR-91/2, 1991). 

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