C - Chemistry – Metallurgy – 01 – C
Patent
C - Chemistry, Metallurgy
01
C
23/199, 260/547.
C01C 3/14 (2006.01) C01C 3/20 (2006.01) C07C 273/02 (2006.01)
Patent
CA 1136381
Abstract of the Disclosure A catalytic process has been found to produce urea or its equivalent NH4NCO, under relatively mild pressure and temperature conditions. This process entails flowing a gas mixture containing NOx, CO, and a source of hydrogen such as H2 or H2O over a hydrogenation catalyst such as platinum. Yields of urea above 90 percent based on NOx conversion are obtainable.
295840
Kirby Eades Gale Baker
Western Electric Company Incorporated
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