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Carbon catalysis in the aqueous oxidation of SO2 by NO2 and airSulfur dioxide and an oxidant gas (air or NO2) were bubbled through aqueous suspensions of both washed and unwashed carbon black as well as through samples of wash water, which contained whatever soluble species were originally present on the carbon, and high-purity water. The sulfate yields obtained showed the washed and unwashed carbon to be equally catalytic for the oxidation of SO2 to sulfate by both oxidants, whereas little sulfate was generated in either the wash water or high-purity water in the absence of carbon. These results indicate that the sulfate yields produced in aqueous suspensions of the carbon studied are due to catalysis by the carbon particles rather than by soluble species dissolved from them.
Document ID
19850062109
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Schryer, D. R.
(NASA Langley Research Center Hampton, VA, United States)
Schryer, J.
(NASA Langley Research Center Hampton, VA, United States)
Cofer, W. R., III
(NASA Langley Research Center Hampton, VA, United States)
Vay, S. A.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1984
Publication Information
Publication: Atmospheric Environment
Volume: 18
Issue: 10, 1
ISSN: 0004-6981
Subject Category
Inorganic And Physical Chemistry
Accession Number
85A44260
Distribution Limits
Public
Copyright
Other

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