The catalytic methanation process of renewable hydrogen and carbon dioxide into biomethane is seen as a crucial solution for reducing greenhouse gas emissions and for the safe utilization of hydrogen, which is produced increasingly due to the growing use of renewable energy sources and the implementation of electrolysis. The catalytic methanation process, when using a nickel-based catalyst, can be enhanced with a system designed for continuous monitoring through the measurement of temperature gradients inside the methanation reactor. Focus was placed on the development and optimization of an experimental system intended for the observation of catalytic methanation through infrared thermography. Using the developed experimental system, measurements of a variable temperature field during the catalytic methanation process were conducted. The operation of the reactor under various temperature conditions, employing different catalysts and gas flows involved in the reaction, was analyzed using infrared thermography.
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