REGENERIERUNG EINES TITANIUM ENTHALTENDENMOLEKULARSIEBES

摘要

A titanium-containing molecular sieve which has been used as an oxidation catalyst is regenerated to provide a level of performance comparable to that of freshly prepared catalyst by heating in the presence of a gas stream comprised of less than 5 volume percent molecular oxygen. The regeneration temperature may be in the range of from 150 DEG C to 700 DEG C. The same batch of catalyst thus may be used over an extended period of time in a continuous epoxidation process by periodic practice of the aforedescribed reactivation method.