Nickel-copper-molybdenum methanation catalyst

Details Nickel-copper-molybdenum methanation catalyst Nickel-copper-molybdenum methanation catalyst

1975-03-10

1976-06-08

Shine, W. J.

Compositions

X-ray or neutron shield

252465, 260449M, B01J 2384

Patent

active

039621405

ABSTRACT:
A supported methanation catalyst and a process for utilizing the catalyst are disclosed. The catalyst yields a product containing a major proportion of methane and some ethane. Methanation of a gaseous feed stream containing from about 10 to about 50 mole percent carbon monoxide, and from about 1.0 to about 3.0 times as much hydrogen as carbon monoxide, is effected at elevated temperature and high pressure continuously over a prolonged period of time, while a conversion of carbon monoxide in excess of 80 mole percent is maintained. Thermal stability at elevated temperature and pressure permits essentially continuous use of the catalyst for extended periods of time without time-consuming shutdowns. High conversion of gaseous feed and thermal stability of catalyst permits economical process design which utilizes a minimal recycle, if any.
The supported catalyst consists essentially of a complex of oxides of nickel, copper and molybdenum which complex is reduced on the support prior to or during use. The complex of oxides consists of from about 5 to about 20 percent by weight molybdenum oxide, and from about 5 to about 40 percent by weight nickel oxide, each amount based on total catalyst, present in a weight ratio of nickel oxide to copper oxide in the range from 1:1 to about 9:1, and preferably in the range from about 1 to about 3.

REFERENCES:
patent: 3854895 (1974-12-01), Muller

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