A Systematic Review of Amino Acid-Based Adsorbents for CO 2 Capture

Nur Syahirah Mohamed Hatta, Mohamed Kheireddine Aroua, Farihahusnah Hussin and Lai Ti Gew
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Nur Syahirah Mohamed Hatta: Research Centre for Carbon Dioxide Capture and Utilisation (CCDCU), School of Engineering and Technology, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, Petaling Jaya 47500, Selangor, Malaysia
Mohamed Kheireddine Aroua: Research Centre for Carbon Dioxide Capture and Utilisation (CCDCU), School of Engineering and Technology, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, Petaling Jaya 47500, Selangor, Malaysia
Farihahusnah Hussin: Research Centre for Carbon Dioxide Capture and Utilisation (CCDCU), School of Engineering and Technology, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, Petaling Jaya 47500, Selangor, Malaysia
Lai Ti Gew: Sunway Materials Smart Science and Engineering (SMS2E) Research Cluster, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, Petaling Jaya 47500, Selangor, Malaysia

Energies, 2022, vol. 15, issue 10, 1-34

Abstract: The rise of carbon dioxide (CO 2 ) levels in the atmosphere emphasises the need for improving the current carbon capture and storage (CCS) technology. A conventional absorption method that utilises amine-based solvent is known to cause corrosion to process equipment. The solvent is easily degraded and has high energy requirement for regeneration. Amino acids are suitable candidates to replace traditional alkanolamines attributed to their identical amino functional group. In addition, amino acid salt is a green material due to its extremely low toxicity, low volatility, less corrosive, and high efficiency to capture CO 2 . Previous studies have shown promising results in CO 2 capture using amino acids salts solutions and amino acid ionic liquids. Currently, amino acid solvents are also utilised to enhance the adsorption capacity of solid sorbents. This systematic review is the first to summarise the currently available amino acid-based adsorbents for CO 2 capture using PRISMA method. Physical and chemical properties of the adsorbents that contribute to effective CO 2 capture are thoroughly discussed. A total of four categories of amino acid-based adsorbents are evaluated for their CO 2 adsorption capacities. The regeneration studies are briefly discussed and several limitations associated with amino acid-based adsorbents for CO 2 capture are presented before the conclusion.

Keywords: CO 2 capture; CO 2 adsorption; amino acid; solid sorbent (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
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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