PREPARATION AND STUDY OF A NEW MONOLITHIC CATALYST FOR PURIFICATION OF FLUE-GASES FROM CARBON-MONOXIDE AND ORGANIC-COMPOUNDS

A new platinum catalyst supported on a honeycomb aluminosilicate monol ith is developed for purifying flue gases from CO and organic vapors. The catalyst has no secondary support, and simplifies its preparation. A choice of the optimal conditions for drying and calcination is just ified. The effect of preparation conditions on the distribution of the active component over the catalyst channels and the state of platinum are studied by electron spectroscopy, X-ray microanalysis, and IR spe ctroscopy of adsorbed CO. The activity of the catalyst in oxidation of CO, butane, and methanol is studied. The catalyst was tested in an in dustrial-scale process of thermal catalytic afterburning of CO in flue gases of an incinerator of liquid organic radioactive waste. It is fo und that the CO conversion at a space velocity of 6000 h(-1) and 230-2 55 degrees C is higher than 98%.