Catalytic Control of Air Pollution. Mobile and Stationary by Ronald G. Silver, John E. Sawyer, Jerry C. Summers
By Ronald G. Silver, John E. Sawyer, Jerry C. Summers
content material: Catalyst applied sciences to satisfy destiny emission requisites for light-duty autos / Jerry C. Summers and Ronald G. Silver --
Methane oxidation over noble steel catalysts as concerning controlling typical gasoline motor vehicle exhaust emissions / S.H. Oh, P.J. Mitchell, and R.M. Siewart --
car catalyst ideas for destiny emission structures / W. Burton Williamson, Jerry C. Summers, and John A. Scaparo --
Experimental comparability between hydrocarbons and oxygenated compounds for his or her removal by means of three-way automobile catalysts / J.M. Bart, A. Pentenero, and M.F. Prigent --
Steady-state isotopic brief kinetic research research of CO-O₂ and CO-NO reactions over a advertisement car catalyst / Rachid Oukaci ... [et al.] --
Particle measurement and aid results in NO adsorption on version Pt and Rh catalysts / G. Zafiris, S.I. Roberts, and R.J. Gorte --
impression of Ce on functionality and physicochemical houses of Pt-containing automobile emission keep watch over catalysts / J.G. Numan, Ronald G. Silver, and S.A. Bradley --
The 1990 fresh Air Act and catalytic emission keep watch over expertise for desk bound assets / Jerry C. Summers, John E. Sawyer, and A.C. Frost --
Selective catalytic aid of nitric oxide with ammonia over supported and unsupported vanadia catalysts / U.S. Ozkan, Y. Cai, and M.W. Kumthekar --
Catalytic oxidation of hint concentrations of trichloroethylene over 1.5 % platinum on [gamma]-alumnina / Yi Wang, Henry Shaw, and Robert J. Farrauto --
Catalytic oxidation of trichloroethylene over PdO catalyst on [gamma]-Al₂O₃ / Tai-Chiang Yu, Henry Shaw, and Robert J. Farrauto --
Thermal decomposition of halogenated hydrocarbons on a Cu(111) floor / Jong-Liang Lin and Brian E. Bent.
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Extra resources for Catalytic Control of Air Pollution. Mobile and Stationary Sources
Several of the previous tests were performed again with this aged catalyst. At stoichiometry an increase in the light-off temperatures between 15 C (for benzene) and 100 C (for propane) was noticed. ch004 e New catalyst Aged catalyst CJ^ > Q H > <^Η « C H » C H » Q f t > C H > C H > <^Η » C H » 14 6 14 4 3 6 6 6 4 3 3 8 8 Concerning hydrocarbon conversion as a function of the gas mixture oxygen content and, in the absence of S0 , the following evolutions due to catalyst aging were observed: 2 • For propane, the conversion rate decrease was the most pronounced below stoichiometry where the conversion spike observed (cf.
Reproduced with permission from ref. 11. ) β 100 τ- 40 €0 Pd L o a d i n g 80 100 120 (g/cf) Figure 5. Effect of Pd loading on stoichiometric conversions at 450 * C of Pdonly catalysts after engine aging. (Reproduced with permission from ref. 7. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1992. 34 CATALYTIC CONTROL OF AIR POLLUTION conversion of both catalysts falls off sharply upon exposure to increasing lead levels. In the poisoning of Pt/Rh catalysts, the NOx conversion was significantly deteriorated under strongly rich conditions, particularly the conversion of NOx to NH (27,33).
Skowron, M . Thomason, D. Whisenhunt, J. H . White. Literature Cited 1. ; SAE (Society of Automotive Engineers) 1990, Paper 900613. 2. 36. 3. ; Platinum Metals Rev. 1989,33,194. 4. S. Environmental Protection Agency, "Mobile Source Emission Standards Summary", March 20, 1985. 5. ; SAE 1987, Paper 872164. 6. ; Ind. Eng. Chem. Prod. Res. Dev. 1986, 25, 202. 7. ; SAE 1988, Paper 880281. 8. ; SAE 1989, Paper 890794. 9. S. Patent 4,782,038; November 1, 1988. 10. ; SAE 1989, Paper 892094. 11. ; SAE 1990, Paper 900495.