Process for the reduction of carbon monoxide and carbonyl...

Details Process for the reduction of carbon monoxide and carbonyl... Process for the reduction of carbon monoxide and carbonyl...

2007-08-28

2007-08-28

Hendrickson, Stuart (Department: 1754)

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C423S244020, C423S244030, C423S247000, C423S534000, C423S542000

Reexamination Certificate

active

10463788

ABSTRACT:
Carbon monoxide and carbonyl sulfide emissions are reduced in manufacturing processes, including titanium tetrachloride production processes. Gas is contacted with CO, COS, and an oxygen-containing gas with a suitable catalyst. The catalyst may be a metal oxide catalyst containing bismuth, cobalt and nickel, a xerogel or aerogel catalyst containing Au, Rh, Ru and Co in aluminum oxide/oxyhydroxide matrices, or a supported metal catalyst that contains at least one metal from the group Pd, Rh, Ru and Cu. In the latter case, the catalyst support is contains alumina or carbon. A catalyst composite of Au, Rh, Ru and Cr, and cerium oxide and lanthanum oxide may also be used.

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David A. Ward and Edmond I. Ko, Preparing Catalytic Materials by the Sol—Gel Method, Ind. Eng. Chem. Res. 1995, vol. 34, pp. 421-433.

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