Full-scale laboratory simulation facility to test particulate and organic emissions from a Third World residential combustion process. III. Evaluation of a potential technique for the control of emissions from the indoor, open-hearth combustion of coal. Rept. for Jul 91-Feb 92 (original) (raw)

1992

Abstract

The paper reports controlled full-scale laboratory studies designed to determine if clay addition holds promise as a technique to control emissions from higher grade coals. (NOTE: Abnormally high rates of lung cancer are observed among persons in Xuan Wei County, China, who burn bituminous 'smoky' coal as compared with those who burn 'smokeless' coal, which is produced by mixing low grade coals with clay.) Statistically significant reductions in emissions of total particulate (70%), gravimetrically determined (nonvolatile) organics (70%), total chromatographable (semivolatile) organics (90%), and benzo(a)pyrene (65%) were observed (measured on a mass emitted/mass coal combusted basis) when clay binder material was added to a ground smoky coal. These reductions, however, did not fully account for the order of magnitude lower pollutant levels previously observed in homes burning smokeless (as compared to smoky) coal. Thus, the authors believe that the composition of th...

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