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|1. (WO2018141646) NICKEL METHANATION CATALYSTS DOPED WITH IRON AND MANGANESE|
|Applicants:||CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
WACKER CHEMIE AG
TECHNISCHE UNIVERSITÄT MÜNCHEN
|Title:||NICKEL METHANATION CATALYSTS DOPED WITH IRON AND MANGANESE|
The invention relates to a catalyst for the methanation of carbon monoxide and/or carbon dioxide, comprising aluminium oxide, an Ni-active mass and Fe and Mn, characterised in that the molar Ni/Fe-ratio in the catalyst is 5.0 to 10.0, preferably 5.3 to 7.0 and particularly preferably 5.4 to 5.7. The catalyst preferably has a molar Ni/Mn-ratio of 5.0 to 32.0, preferably 9.0 to 10.0. The catalyst is characterised by improved activity combined with improved stability. The invention also relates to a method for producing a catalyst according to the invention, comprising the following steps: a) coprecipitation from a solution containing AI, Ni, Mn and Fe in the dissolved form, in order to obtain a precipitate; b) isolation of the precipitate from step a), c) drying of the isolated precipitate from step b); and d) calcination of the dried precipitate from step c).