Abstract:
Due to excellent economy and durability, gasoline engines have been used widely in
automobiles and other energy production machinery. On the other side, gasoline engines are
major contributors towards air pollution. Exhaust from gasoline engines contain carbon
monoxide (CO), unburnt hydrocarbons (HCs) and oxides of nitrogen (NOx). More stringent
regulations on automobile and other industries have made researchers to develop some
technology for reduction of such pollutants from exhaust. In this work three-way catalytic
converter is designed to treat the exhaust gases released from engine, for example,
Hydrocarbons (HCs), Carbon Monoxide (CO) and Oxide of Nitrogen (NOx). Conventional
catalytic converter with precious metal catalyst, Pt/Rd coated on ceramic substrate displays
lower efficiency, high generation cost, constrained material supply and not environment
friendly. Hence, an attempt to use metal oxide catalyst is researched. Titanium Dioxide (TiO2)
with Cobalt Oxide (Co3O4) was picked as the catalyst because of its points of interest in the
raw material expense, locally accessible and suitable in manufacturing. The catalysts were
coated onto treated wire mesh, SUS-304 where its surface was characterized by using SEM
and XRD. Standard procedures were used to measure efficiency of developed catalytic
converter. The outcomes revealed some suitability and limitations of the new catalytic
converter. In this research work emission pollutants have been decreased such as carbon
monoxide was reduced from 2.8 to 0.25 (V/V%) and hydrocarbons from 200ppm to 59ppm.
