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Contribution of Some Carbonyl, Phenol, and Hydrocarbon Components to Diesel Exhaust Odor.

Authors
Vogh-JW
Source
NTIS: PB 210 189 :11 pages
Link
NIOSHTIC No.
10008867
Abstract
The report covers initial findings in an experimental program to identify diesel exhaust odorants and determine their contributions to diesel odor. The approach was to isolate selected component groups from exhaust and to evaluate the contribution of each group to exhaust odor. Results were obtained for those carbonyls and phenols that could be isolated from exhaust through intermediate conversion to oxime derivatives. Unsaturated aliphatic aldehydes and sterically hindered carbonyls were not included. Hydrocarbons intermediate in the diesel range were also evaluated and an odor contribution was found from those of the aromatic group. The evaluated carbonyls, phenols, and hydrocarbons were found to account for about 20 percent of the total odor in exhaust from an indirect- injection engine during idle. For exhaust from the indirect- injection engine operating under load and from a direct-injection engine at no load, these compounds were found to have no significant levels of odor. Work done under an agreement with the Bureau of Air Pollution Sciences of the Environmental Protection Agency.
Publication Date
19720101
Document Type
IH; Report of Investigation;
Fiscal Year
1972
NTIS Accession No.
PB-210189
NTIS Price
A03
Identifying No.
RI 7632
Source Name
NTIS: PB 210 189
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