EFFECT OF TEMPERATURE OF HEAT-TREATMENT OF HYDRATED TIN DIOXIDE USED AS A SUPPORT FOR PALLADIUM CATALYST ON THE ACTIVITY OF THE LATTER IN OXIDATION OF CARBON-MONOXIDE
Tp. Chistova et al., EFFECT OF TEMPERATURE OF HEAT-TREATMENT OF HYDRATED TIN DIOXIDE USED AS A SUPPORT FOR PALLADIUM CATALYST ON THE ACTIVITY OF THE LATTER IN OXIDATION OF CARBON-MONOXIDE, Russian journal of applied chemistry, 66(10), 1993, pp. 1672-1674
The effect of temperature of heat treatment of hydrated tin dioxide (H
TD) used as a support for palladium catalyst on porous structure and t
he catalutic activity in oxidation of carbon monoxide is studied. The
most active catalysts based on HTD with an effective pore radii of 0.8
-1.0 nm are prepared by palladium coating of HTD pretreated at 150-deg
rees-C. Heat treatment at temperatures higher than 300-degrees-C accom
panied by decrease in the specific surface and increase in the effecti
ve radii of the HTD pores, significantly lowers the activity of the ca
talysts.