CATALYTIC CO2 METHANATION PROCESS

摘要

Process for selectively producing methane with a selectivity of about 100% by reaction of a feed gas containing CO2, with hydrogen or hydrogen species in the presence of a solid methanation catalyst containing less than 0.2% by weight Ruthenium, in which the reaction is carried out at a temperature below 150°C and at a pressure comprised between 104 Pa and 100 105 Pa, whereby the atomic ratio C from the CO2 of the feed gas/ hydrogen atom from the hydrogen or hydrogen species is comprised between 0.1 and 6.