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Received March 28, 2003
Accepted May 21, 2003
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Maximization of Total Surface Area of Pt-SnO2/Al2O3 Catalyst by the Taguchi Method
Department of Chemical Engineering, Bogazici University, Bebek, 80815 Istanbul, Turkey 1Department of Chemical Engineering, Kocaeli University, Veziroglu Campus, 41040 Kocaeli, Turkey
Korean Journal of Chemical Engineering, September 2003, 20(5), 840-843(4), 10.1007/BF02697285
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Abstract
The maximization of the total surface area of Pt-SnO2/Al2O3 catalyst was studied by using the Taguchi method of experimental design. The catalysts were prepared by sol-gel method. The effects of HNO3, H2O and aluminum nitrate concentrations and the stirring rate on the total surface area were studied at three levels of each. L9 orthogonal array leading nine experiments was used in the experimental design. The parameter levels that give maximum total surface area were determined and experimentally verified. In the range of conditions studied it was found that, medium levels of HNO3 and H2O concentration and lower levels of aluminum nitrate concentration and stirring rate maximize the total surface area.
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