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| Parsons
Professor of Chemical Engineering |
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INTRO |
CURRENT
RESEARCH |
RECENT
PUBLICATIONS |
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In air pollution
control, national concerns are currently dominated by the effects of fine particles on
public health. There is special interest in the effects of ultrafine particles of the type
under study in our Laboratory. Also of concern are oxidizing agents dissolved in the
aqueous component of atmospheric particles. We have recently developed a method of
detecting single micron sized particles carrying oxidizing agents. The sources of these
particles are determined from their chemical signatures according to a method originally
developed in our Laboratory and adopted by state and federal regulatory agencies. Using
this method in recent studies we have made the first quantitative comparisons of
particulate pollution at different sites around the world. Much needed are instruments
capable of on-line chemical analysis of particles. Recent studies by our Laboratory show
that Raman spectroscopy can be used for on-line analysis of polydisperse flowing aerosols.
We have shown for the first time that the turbulent mixing of chemically different
aerosols can be followed in this way.
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Link to Information Request Page: Questions? |
