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U.S. Department of Energy
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Field evaluation of a utility dry-scrubbing system. Final report, April 1982-November 1984

Technical Report ·
OSTI ID:6280520
The report gives results of the first independent evaluation of a full-scale utility spray-dryer/baghouse dry flue gas desulfurization (FGD) system. The system treats flue gas from a nominal 100 MW of coal-fired power generation. The test program, conducted during July-October 1983, used two different coals as boiler fuels: one, a subbituminous coal and coke mixture with a nominal 1.2% sulfur content; and the other, a 3.4 percent sulfur Illinois bituminous coal. SO/sub 2/ removal, particulate emissions, sulfuric acid removal, and extensive process data were recorded. Low-sulfur coal tests indicated that 75% SO/sub 2/ removal was achievable in the short term at reagent ratios of 0.6 to 0.7, and 90% SO/sub 2/ removal was achievable at a reagent ratio of about 0.8. An average removal of nearly 90 percent was achieved in short-term tests with high-sulfur coal at reagent ratios of 1.3 to 1.4. Calcium chloride addition to the atomizer feed slurry was found to reduce the lime-addition requirements for high-sulfur tests by about 25 percent.
Research Organization:
Radian Corp., Austin, TX (USA)
OSTI ID:
6280520
Report Number(s):
PB-85-207488/XAB; RAD-84-203-001-57-17
Country of Publication:
United States
Language:
English