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Electrostatic precipitation of particulate emissions from the combustion of coal-oil-water and coal-water-slurry in an industrial packaged boiler. Final report

Technical Report ·
OSTI ID:6640922
The report discusses the results of a research project designed to determine electrostatic-precipitation performance in collecting particulate emissions from coal-oil-water or coal-water slurry fuels. Measurements made on a mobile electrostatic precipitator (ESP) showed that New Source Performance Standards (NSPS) could be met by appropriate design and operation. Coal-oil-water fuels required a specific collection area (SCA) of 340 sq ft/1,000 ACFM flue gas, while coal-water slurry fuel needed 500 sq ft/ACFM flue gas to comply with NSPS. Specific electrode power densities were 200 watts/1,000 ACFM flue gas. The mobile ESP accepted flue gas from a packaged fire-tube boiler converted to coal-slurry firing. The fully instrumented boiler produced a fly-ash high-in carbon content, especially when burning CWS fuel. The high carbon content influenced fly-ash resistivity vs. temperature curves and must be taken into account in designing an ESP for this kind of service.
Research Organization:
United McGill Corp., Columbus, OH (USA)
OSTI ID:
6640922
Report Number(s):
PB-89-117550/XAB
Country of Publication:
United States
Language:
English