Non-Thermal Plasma Technology for CO 2 Conversion—An Overview of the Most Relevant Experimental Results and Kinetic Models

Vera Marcantonio (), Marcello De Falco and Enrico Bocci
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Vera Marcantonio: Unit of Process Engineering, Department of Engineering, University “Campus Bio-Medico” di Roma, Via Álvaro Del Portillo 21, 00128 Rome, Italy
Marcello De Falco: Unit of Process Engineering, Department of Engineering, University “Campus Bio-Medico” di Roma, Via Álvaro Del Portillo 21, 00128 Rome, Italy
Enrico Bocci: Department of Engineering Science, Marconi University, 00193 Rome, Italy

Energies, 2022, vol. 15, issue 20, 1-18

Abstract: Global warming, along with increasing global energy demands, has led to the need for a sustainable and low-carbon-based energy economy. In addition to renewable energy technologies, such as biomass, solar, hydro, and wind, another possible strategy to mitigate climate change is the capture/conversion and recycling of CO 2 . In recent years, many methods for both CO 2 capture (mainly adsorption, absorption, and membrane) and conversion (many electrolysis, catalyst, and plasma) have been investigated. Conversion technology is less studied but seems to be very promising. Within that, non-thermal plasma technology has received much interest because it works at low temperatures and atmospheric pressure, and there is no need for high temperature and high electricity consumption, which are typical of the catalyst and electrolysis conversion processes, respectively. Therefore, in order to optimize this emerging technology, simulative kinetic models have been developed with the aim of maximizing both energy efficiency and CO 2 conversion. In the present paper, an overview of the most common non-thermal plasma technologies was carried out to highlight the advantages and disadvantages of each method. Then, an overview of the most significant kinetic models available in literature was carried out to point out the main reactions occurring during CO 2 conversion and also the parameters that most affect the performance of a plasma reactor during CO 2 conversion. Then, a brief recap of the literature available on economic studies of the plasma process is given.

Keywords: CO 2 capture; hydrogen; biomass gasification; plasma reactor; kinetic models; NTP (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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