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The soot and NOx coming from diesel emissions can be considered as a dangerous pollutant, and have been causing serious environmental and health problems. To meet the increasingly stringent legislation for soot emission, the catalytic technology was used to eliminate soot emission from diesel exhausts. The catalysts, the perovskite-type oxides impregnated over zeolite supports (HTS, HZSM-5, RPSA,...
To control contamination of flue gas emission NOx, the auther mixed method of preparing new magnesia base catalyst and researched on denitrificating flue gas by directness catalytic decomposition. Usually removal rate of NO is regarded on the main evaluation criteria. The author analysed calcination temperature of catalyzer manufacturing process, the temperature of flue gas desorption tower, bed height...
Catalytic exhaust after treatment of vehicle engines is increasingly employed to the benefit of the atmosphere quality. Catalysts are further employed as regeneration aids in particulate filters of motorcycle engines. The place where the catalytic converter is installed will affect the result directly. FLUENT software is utilized to carry on the simulation of the interior flow field of motorcycle...
Photocatalytic oxidative kinetics of thiophene in n-octane/water extraction system was studied with nano-TiO2 powders as photocatalyst and O2 in air as oxidant. Influence of initial concentration of thiophene and addition of TiO2 on reaction rate constant and half time were investigated. Kinetics equation was founded. The results showed that the approviate addition of TiO2 was 0.1 g in 100 mL reaction...
A detailed study on the removal of oxides of nitrogen (NOx) from the exhaust of a stationary diesel engine was carried out using nonthermal-plasma (pulsed electrical-discharge plasma)-promoted catalytic process. In this paper, the filtered exhaust from the diesel engine is made to pass through a combination of nonthermal plasma reactor and a catalytic reactor connected in series. This combination...
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