methanationn.
/ˌmɛθəˈneɪʃn/, U.S. /ˌmɛθəˈneɪʃ(ə)n/ Conversion (usually of carbon monoxide and hydrogen) into methane; an instance of this.
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hydrogasification1954
methanation1955
1955 Science 22 Apr. 575/1 Methanation reactions over nickel catalysts.
1969 R. F. Lang tr. F. A. Henglein Chem. Technol. 425 This reaction is used for the production of especially high-grade fuel gases from water gas (CO + 3H2 − 48.87 kcal = CH4 + H2O) (methanation) (CO2 + 4H2 − 39.1 kcal = CH4 + 2H2O).
1973 Nature 7 Dec. 326/2 It is the catalytic enrichment (a methanation) which is the key to the production of SNG [= substitute natural gas] and the Gas Board is loath to reveal the full details of its operation.
1984 Science 22 June 1330/2 The methanation of carbon monoxide..is sensitive to the support.
1991 Environmental Technol. 12 313/1 Hydrolysis is the first step of the anaerobic fermentation and methanation process.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1955