Record Display for the EPA National Library Catalog


Main Title Effect of Fuel Additives in the Chemical and Physical Characteristics in Automotive Exhaust.
Author Mora, John B. ; Manar, Otto J. ;
CORP Author Dow Chemical Co., Midland, Mich. Organic Chemicals Dept.
Year Published 1970
Report Number PHS-CPA-22-69-145; 0618;
Stock Number PB-196 783
Additional Subjects ( Air pollution ; Exhaust gases) ; ( Fuel additives ; Combustion products) ; ( Tetraethyl lead ; Combustion products) ; ( Particles ; Air pollution) ; Antiknock additives ; Particle size ; Sampling ; Hydrocarbons ; Combustion deposites ; Detergents ; Scavengers(Materials) ; Gasoline ; Nitrogen oxides ; Lead halides ; Chlorine organic compounds ; Bromine organic compounds ; Spark ignition engines ; X-ray fluorescence ; Electron microscopy ; X-ray analysis ; Ultraviolet spectra ; Automobile exhausts ; Ethane/dibromo ; Ethane/dichloro
Library Call Number Additional Info Location Last
NTIS  PB-196 783 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 176p
Methods were developed of generating, collecting, and analyzing particulates in automotive engine exhaust by a means sufficiently accurate and reproducible to allow determination of the effects of fuel additives on exhaust particulate size, concentration, and composition. An air dilution chamber was designed which allows for cooling, dilution, and mixing so that representative particulate samples can be obtained at a sampling station which is essentially equivalent to 8 - 10 feet downstream of the end of the exhaust pipe on a vehicle at highway speeds. A 1970 Chevrolet 350 CID engine of 9.0:1 compression ratio with a standard exhaust system attached, was loaded by means of an engine dynamometer. Special analysis techniques were developed for the analysis and characterization of exhaust particulates. The data suggest a very significant effect of fuel additives, primarily tetraethyl lead, on exhaust particulate size, concentration and composition. Significant differences are observed with minor changes in other fuel additives. (Author)