methanation reactions

How Does Catalyst Deactivation Occur?

Catalyst deactivation is a major challenge in methanation processes. It can occur due to:
Carbon deposition (coking)
Sintering of metal particles
Poisoning by sulfur or chlorine compounds
Oxidation of the active metal
Strategies to mitigate deactivation include using promoters, optimizing reaction conditions, and employing advanced catalyst supports.

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