A method of manufacturing methane from carbon monoxide or dioxide by high-pressure catalytic hydrogenation. It is often used to improve the calorific value of town gas.
A petrochemical process in which carbon monoxide and carbon dioxide are converted to methane using hydrogen gas:
The reactions are exothermic and carried out in a fixed-bed nickel-based catalytic reactor at a temperature between 370ºC and 430ºC.
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