Abstract: A process for the preparation of a TiO2-containing catalyst or catalyst support which is stable to high temperatures is described. In this process an aqueous Ti-containing solution having a concentration of dissolved Ti equivalent to 10 to 250 g TiO2 per liter of solution is added to a suspension of not more than 10 wt. % strength of a finely disperse inorganic support material in water, the inorganic support material having a specific surface area, measured by the BET method, of >20 m2/g and any primary particle agglomerates present having a particle size of d50<10 ?m, preferably <5 ?m, the rate of addition of the Ti-containing solution to the suspension being chosen such that an addition equivalent to 0.05 g TiO2 per m2 of support surface and hour is not exceeded, the TiO2 is precipitated on the inorganic support and the product obtained is filtered, washed and calcined.

Abstract: A process for the preparation of a TiO2-containing catalyst or catalyst support which is stable to high temperatures is described. In this process an aqueous Ti-containing solution having a concentration of dissolved Ti equivalent to 10 to 250 g TiO2 per litre of solution is added to a suspension of not more than 10 wt. % strength of a finely disperse inorganic support material in water, the inorganic support material having a specific surface area, measured by the BET method, of >20 m2/g and any primary particle agglomerates present having a particle size of d50<10 ?m, preferably <5 ?m, the rate of addition of the Ti-containing solution to the suspension being chosen such that an addition equivalent to 0.05 g TiO2 per m2 of support surface and hour is not exceeded, the TiO2 is precipitated on the inorganic support and the product obtained is filtered, washed and calcined.

Abstract: The bodies are prepared either by pelleting of a pasty mixture of titanium dioxide powder and titanium dioxide sol and/or 1-20% nitric acid, followed by dehydration and calcination at a temperature of between 400 and 1000° C. for between 0.5 and 3.5 hours; or by preparing pellets from the titanium dioxide powder and added water, annealing of the pellets at between 300 and 500° C., saturation of same with titanium dioxide sol or 1-20% nitric acid in a vacuum, followed by drying and finally annealing at a temperature of between 400 and 1000° C. for between 0.5 and 3 hours.