摘要:
A supported silver catalyst having improved thermostability is prepared by depositing silver particles on a carrier or support having a stepped structure.
摘要:
Active catalysts are prepared by (1) impregnating a carrier with a solution of a complex of an active composition or precursor thereof wherein the viscosity of the solution is not decreased upon heating or evaporation of the solvent, (2) removing the solvent and (3) decomposing the complex.