Emission control and fuel economy

1975 ◽  
Vol 9 (9) ◽  
pp. 820-824 ◽  
Author(s):  
Ernest S. Starkman
Keyword(s):  
Fuel Economy ◽  
Emission Control

Emission Control Catalyst Derived from Mesoporous Molecular Sieves

1996 ◽  
Vol 431 ◽  
Author(s):  
Partha P. Paul ◽  
Michael A. Miller ◽  
Martin J. Heimrich ◽  
Stuart T. Schwab
Keyword(s):  
Catalytic Activity ◽  
Fuel Economy ◽  
Molecular Sieves ◽  
Emission Control ◽  
Mesoporous Molecular Sieves ◽  
Exhaust Gas ◽  
Engine Exhaust ◽  
Combustion Processes ◽  
Mcm 41

AbstractA lean NOx catalyst is needed to control NOx emissions generated by oxygen-rich combustion processes to obtain higher fuel economy. We have developed such a catalyst using modified mesoporous molecular sieves (MCM-41). An iron(II)-complex impregnated MCM-41 has been synthesized which has been further treated with [Pd(NH3)4]Cl2. This treatment resulted in further exchange of Na+ ions of the molecular sieves with Pd(NH3)42+ thus forming Catalyst A. The catalytic activity towards NOx, CO and HC was studied using simulated exhaust gas, as well as engine exhaust gas.

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