Coal Desulfurization by Low-Temperature Chlorinolysis
- Hsu, George C.
- Kalvinskas, John J.
- Ganguli, Partha S.
- Gavalas, George R.
DOIAbstract
Since most of the coals in this country, particularly the eastern and mid-western coals, have a high sulfur content (>2%), there is a need for an economical process of converting high-sulfur coals to clean fuel (<1.2 lbs of SO_2 emission per million Btu by EPA standards) so that coal can be used as a source of energy without causing serious air pollution. Among the three principal methods for precombustion desulfurization of coal - physical depyriting, chemical desulfurization, and coal conversion to low-sulfur liquid and gaseous fuels, the potential of chemical methods looks promising in terms of both total sulfur removal and processing cost. The principal chemical methods for coal desulfurization involve treatment with either oxidizin...
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