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Plasma catalysis: a feasible solution for carbon dioxide valorization?

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Abstract

This review highlighted the current ongoing research in plasma technology and why this process needs to be explored in synergy with the other available/researched technologies worldwide. It provides a broad outlook to study the various elements of non-thermal plasma for CO2 conversion. Most commonly used reactors such as dielectric barrier discharge (DBD) plasma, microwave (MW) plasma, and gliding arc (GA) plasma are described with their operational challenges. It covers the laboratory-scale reactor designs, characterization, the overall efficiencies, the physical and chemical interplay between plasma and catalysis, as well as many of the recent efforts to improve the reaction efficiency. Multiple configurations of plasma reactors along with the effect of operating parameters such as gas flow rate, power input, diluting gas, and others on conversion and energy efficiency are reviewed in this paper. Different catalytic materials and their effect on conversion and energy efficiency are also explored. This review outlines the state-of-the-art development of the plasma catalysis process for CO2 conversion, including CO2 splitting and briefly discussing the mechanistic insights into CO2 hydrogenation and reforming. Additionally, the role and need for the intrinsic rational design of catalyst composition and structure in determining the selectivity of CO2 conversion is also deliberated. A perspective on current bottlenecks and opportunities for the advancement in development of next-generation novel catalysts for plasma catalysis for industrial applications is also presented.

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Source Science direct on 13/06/2021 at 11:30 am, data considers all processes such as dry reforming, hydrogenation, and others)

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Abbreviations

AC:

Alternating Current

CCS:

Carbon Capture and Storage

CCU:

Carbon Capture and Utilization

DRM:

Dry Reforming of Methane

SRM:

Steam Reforming of Methane

DBD:

Dielectric Barrier Discharge

DC:

Direct Current

EE:

Energy Efficiency

GA:

Gliding Arc

GAP:

Gliding Arc Plasma

GHG:

Greenhouse Gas

H:

Enthalpy

IPC:

In-Plasma Catalysis

MW:

Microwave Plasma

PCE:

Partial Chemical Equilibrium

PIC/MCC:

Particle In Cell/Monte Carlo Collision

PPC:

Post-plasma Catalysis

RF:

Radio Frequency

SIE:

Specific Input Energy

STM:

Scanning Tunneling Microscopy

TEM:

Transmission Electron Microscopy

UV:

Ultraviolet

VOCs:

Volatile Organic Compounds

XRD:

X-ray Diffraction

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Acknowledgements

The figures were created and exported using paid subscription from BioRender.com. We are thankful to Dr. Nishant Joshi, from the School of Natural Sciences, Shiv Nadar University, Greater Noida, India, for his support in the study. This work was a part of a collaborative research and development project that was financially supported by ONGC Energy Centre, India.

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Correspondence to Suresh Sundaramurthy or Jyoti Verma.

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The authors declared that they have no conflict of interest.

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Anoop, N., Sundaramurthy, S., Jha, J.M. et al. Plasma catalysis: a feasible solution for carbon dioxide valorization?. Clean Techn Environ Policy 23, 2789–2811 (2021). https://doi.org/10.1007/s10098-021-02203-y

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  • DOI: https://doi.org/10.1007/s10098-021-02203-y

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