Role of natural convection on the emission of volatiles from a bed of contaminated particles

Article Abstract:

A study aimed at determining the role of natural convection on the emission of volatile organic compound from a bed of contaminated particles is presented. A theoretical model, which brings about the natural convection and diffusion, was utilized to analyze the emissions from the contaminated particles. The volatile compounds that were examined are benzene, chlorobenzene, and 1,3-dichlorobenzene. Results of the study indicate the applicability of the model in evaluating air emission release rate of pollutants from land treatment facilities.

Chemical Manufacturing, Toxic Chemical Wastes, Research, Models, Chemistry, Physical and theoretical, Physical chemistry, Volatile organic compounds, Hazardous wastes, Chemical wastes

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Frequency distributions of PM10 chemical components and their sources

Article Abstract:

Year-long investigations were conducted to characterize the frequency distribution and statistical properties of the chemical components of airborne particulate matter (PM10) in the South Coast Air Basin. Results revealed relatively constant geometric standard deviation values and log normal distributions for nonreactive aerosol components, whose concentrations were found to depend greatly on meteorology and source strength. In addition, various crustal-related sources were found to be the greatest major contributors to PM10.

Environmental aspects, California, Pollution, Composition, Pollutants, Air pollution

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