Particle Size Distributions of Kraft Paper Mill Aerosols Obtained by Airborne Sampling |
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Authors: | Frank E. Augustine Richard W. Boubel |
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Affiliation: | 1. The Aerospace Corporation , El Segundo , California , USA;2. Oregon State University , Corvallis , Oregon , USA |
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Abstract: | Size distributions of particles at several downwind points in a Kraft paper mill plume have been determined by means of airborne sampling. Size distributions from samples close to the stack were found to have a log normal frequency distribution, but significant deviations from the log normal were found farther downwind. Several possible physical mechanisms are postulated as causes for this behavior. Plume dilution with background particles appears to be the most likely mechanism. The airborne sampling system is described, and electron micrographs of sampled particles are presented. |
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