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Catalyst and its use for the manufacture of methane from gases containing carbon monoxide and dioxide and hydrogen
Catalyst and its use for the manufacture of methane from gases containing carbon monoxide and dioxide and hydrogen
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机译:催化剂及其用于从包含一氧化碳,二氧化碳和氢气的气体生产甲烷的用途
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摘要
Gases of various origins which contain carbon monoxide and dioxide and hydrogen, for example the gases obtained by steam reforming or the rich gas process, refinery gases or coal gasification gases are methanized on a nickel catalyst. The object of this reaction is to obtain methane or gases which can be substituted for natural gas. To produce the catalyst, the compound Ni6Al2(OH)16.CO3.4H2O is obtained from aqueous solution. The catalyst is obtained from this compound after drying, calcination and subsequent reduction in a stream of hydrogen, whilst maintaining very specific temperature gradients between the drying stage and the calcination stage.
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