Formaldehyde as an indoor pollutant is harmful to human health even with a very low content in the atmosphere.It can be removed through catalytic oxidation,and Pt/TiO2 proved to be a potential catalyst and can be oper...Formaldehyde as an indoor pollutant is harmful to human health even with a very low content in the atmosphere.It can be removed through catalytic oxidation,and Pt/TiO2 proved to be a potential catalyst and can be operated at low temperature and high space velocity.To understand the mechanism of catalytic oxidation of formaldehyde over Pt/TiO2,the intrinsic kinetics of reaction was investigated in a fixed-bed plug flow differential reactor at atmospheric pressure.A power law rate equation was established as r=1.87×107 exp（-47.50×103/（R×T））×c1.27HCHO,which gave a good correlation to the experimental results.展开更多
文摘Formaldehyde as an indoor pollutant is harmful to human health even with a very low content in the atmosphere.It can be removed through catalytic oxidation,and Pt/TiO2 proved to be a potential catalyst and can be operated at low temperature and high space velocity.To understand the mechanism of catalytic oxidation of formaldehyde over Pt/TiO2,the intrinsic kinetics of reaction was investigated in a fixed-bed plug flow differential reactor at atmospheric pressure.A power law rate equation was established as r=1.87×107 exp（-47.50×103/（R×T））×c1.27HCHO,which gave a good correlation to the experimental results.
