FIELD: gas purification. SUBSTANCE: off-gases containing carbon monoxide, propylene, metacrylate, methanol, and acrylonitrile are passes at 200-700 C through catalyst containing 0.1-0.5 wt % palladium on carrier being a mixture of solid solution based on Ti, Nb, and Ta, and calcium sulfate. Solid solution corresponds to empirical formula Ti(Nbx•Ta0,06x)O2+2,5x in which x = 0.0015-0.07. Carrier is composed of 30-65 wt % of solid solution, 10-20 wt % of rare-earth element oxides, and calcium sulfate to balance. EFFECT: enhanced process. 2 tbl
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