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Alli YA, Oladoye PO, Ejeromedoghene O, Bankole OM, Alimi OA, Omotola EO, Olanrewaju CA, Philippot K, Adeleye AS, Ogunlaja AS. Nanomaterials as catalysts for CO 2 transformation into value-added products: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 868:161547. [PMID: 36642279 DOI: 10.1016/j.scitotenv.2023.161547] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
Carbon dioxide (CO2) is the most important greenhouse gas (GHG), accounting for 76% of all GHG emissions. The atmospheric CO2 concentration has increased from 280 ppm in the pre-industrial era to about 418 ppm, and is projected to reach 570 ppm by the end of the 21st century. In addition to reducing CO2 emissions from anthropogenic activities, strategies to adequately address climate change must include CO2 capture. To promote circular economy, captured CO2 should be converted to value-added materials such as fuels and other chemical feedstock. Due to their tunable chemistry (which allows them to be selective) and high surface area (which allows them to be efficient), engineered nanomaterials are promising for CO2 capturing and/or transformation. This work critically reviewed the application of nanomaterials for the transformation of CO2 into various fuels, like formic acid, carbon monoxide, methanol, and ethanol. We discussed the literature on the use of metal-based nanomaterials, inorganic/organic nanocomposites, as well as other routes suitable for CO2 conversion such as the electrochemical, non-thermal plasma, and hydrogenation routes. The characteristics, steps, mechanisms, and challenges associated with the different transformation technologies were also discussed. Finally, we presented a section on the outlook of the field, which includes recommendations for how to continue to advance the use of nanotechnology for conversion of CO2 to fuels.
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Affiliation(s)
- Yakubu Adekunle Alli
- Laboratoire de Chimie de Coordination du CNRS, UPR8241, Universite´ de Toulouse, UPS, INPT, Toulouse cedex 4 F-31077, France; Department of Chemical Sciences, Faculty of Science and Computing, Ahman Pategi University, Km 3, Patigi-Kpada Road, Patigi, Kwara State 243105, Nigeria.
| | - Peter Olusakin Oladoye
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th St, Miami, FL 33199, USA.
| | - Onome Ejeromedoghene
- School of Chemistry and Chemical Engineering, Southeast University, 211189 Nanjing, Jiangsu Province, PR China
| | | | - Oyekunle Azeez Alimi
- Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg 2006, South Africa
| | | | - Clement Ajibade Olanrewaju
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th St, Miami, FL 33199, USA
| | - Karine Philippot
- Laboratoire de Chimie de Coordination du CNRS, UPR8241, Universite´ de Toulouse, UPS, INPT, Toulouse cedex 4 F-31077, France
| | - Adeyemi S Adeleye
- Department of Civil and Environmental Engineering, University of California, Irvine, CA 92697-2175, USA
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