Frontiers in Catalysis for CO₂ Methanation

Dear Colleagues, 

Methanation of CO₂ is perceived today as the response to the urgent challenges of the modern economy, which include more effective and sustainable utilisation of fossil fuels, production of energy and chemical products by the application of renewable resources and captured waste CO₂, reducing the rate of global warming.

Although the catalytic conversion of CO₂ to methane, known as the Sabatier process, was developed at the beginning of the 20^th century, fundamental and applied research studies on complex surface phenomena, such as activation of CO₂ and H₂ molecules, their transformation into surface species, new catalysts formulas, deactivation of catalysts by sintering, carbon deposition and poisoning using new computational and advanced experimental methods are still required. CO₂ methanation is a highly exothermic reaction, the composition of the feed stream may vary over time or can be contaminated with various compounds, hence the presentation of new theoretical and experimental results concerning the course of the methanataion reaction, demonstration of innovative synthesis methods, catalysts with a new chemical composition or microstructure, allowing to improve the activity and selectivity at low temperatures, and on the other hand, durability at high temperatures,  resistance to sintering or poisoning, as well as the discussion on the development of new types of reactors with improved heat and mas transfer, integrated with associated processes, including co-electrolysis or biogas valorization, may be essential for further progress. Such goals can be achieved, e.g. by the application of supports with specific structural, acid-base or redox properties, stabilisation of noble or non-noble small metal nanoparticles within porous oxide materials, introducing of promoters and modifiers, formation of alloys, synthesis of catalysts based on organometallic systems, as well as development of new catalysts designed for microstructured, membrane or photocatalytic reactors. 

The main objective of the Special Issue entitled “Frontiers in Catalysis for CO₂ Methanation” is to present a wide spectrum of the latest achievements in the field of catalytic conversion of carbon dioxide to methane. I hope that the presented series of articles will become a platform for further discussion and development.

Prof. Wojciech Gac
Guest Editor

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