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A theoretical investigation of gaseous absorption by water droplets from SO2-HNO3-NH3-CO2-HCl mixturesA physical-chemical model is developed and used to investigate gaseous absorption by water droplets from trace gas mixtures. The model is an extension of that of Carmichael and Peters (1979) and includes the simultaneous absorption of SO2, NH3, HNO3, CO2, and HCl. Gas phase depletion is also considered. Presented results demonstrate that the absorption behavior of raindrops is strongly dependent on drop size, fall distance, trace gas concentrations, and the chemical and physical properties of the constituents of the mixture. In addition, when gas phase depletion is considered, the absorption rates and equilibrium values are also dependent on the precipitation rate itself. Also, the trace constituents liquid phase concentrations may be a factor of six or more lower when gas depletion is considered then when the depletion is ignored. However, the hydrogen ion concentration may be insensitive to the gas phase depletion.
Document ID
19820042889
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Adewuyi, Y. G.
(Iowa Univ. Iowa City, IA, United States)
Carmichael, G. R.
(Iowa, University Iowa City, IA, United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1982
Publication Information
Publication: Atmospheric Environment
Volume: 16
Issue: 4, 19
Subject Category
Inorganic And Physical Chemistry
Accession Number
82A26424
Funding Number(s)
CONTRACT_GRANT: NAG1-36
Distribution Limits
Public
Copyright
Other

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