Process for producing plate-shaped denitrating catalyst

A process for producing a catalyst for reducing nitrogen oxides in exhaust gases and comprising the steps of preparing a slurry from hydrated titania and a sol selected from the group consisting of silica sol, alumina sol and titania sol, firing the slurry to obtain a porous material, pulverizing the porous material to a powder, supporting the powder on a metal net with an inorganic dehydration-condensed binder and filling the openings of the net to form a plate-like piece having the metal net as its core, drying or firing the piece to obtain a porous carrier and depositing a catalytically active component on the porous carrier.