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Experimental and kinetic study of the catalytic desorption of CO2 from CO2-loaded monoethanolamine (MEA) and blended monoethanolamine – Methyl-diethanolamine (MEA-MDEA) solutions

Author

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  • Akachuku, Ananda
  • Osei, Priscilla Anima
  • Decardi-Nelson, Benjamin
  • Srisang, Wayuta
  • Pouryousefi, Fatima
  • Ibrahim, Hussameldin
  • Idem, Raphael

Abstract

The kinetics of catalyst-aided desorption of CO2 from CO2-loaded MEA (5 mol/dm3) and blended MEA-MDEA (7 mol/dm3) solutions at CO2 loadings from 0.3 to 0.5 mol CO2/mol amine were studied over a Lewis acid catalyst (γ-Al2O3) and a Brønsted acid catalyst (H-ZSM-5) in an absorber–desorber CO2 capture bench-scale plant (columns of 0.051 m ID and height of 1.067 m) at temperatures of 348–368 K. The results showed that the conversion increases relative to no catalyst for MEA were 55 and 74% while for MEA-MDEA, they were 65 and 85.2% with γ-Al2O3 and H-ZSM-5, respectively. A comprehensive mechanistic LHHW rate model was developed for the catalytic CO2 desorption process.

Suggested Citation

  • Akachuku, Ananda & Osei, Priscilla Anima & Decardi-Nelson, Benjamin & Srisang, Wayuta & Pouryousefi, Fatima & Ibrahim, Hussameldin & Idem, Raphael, 2019. "Experimental and kinetic study of the catalytic desorption of CO2 from CO2-loaded monoethanolamine (MEA) and blended monoethanolamine – Methyl-diethanolamine (MEA-MDEA) solutions," Energy, Elsevier, vol. 179(C), pages 475-489.
    • Handle: RePEc:eee:energy:v:179:y:2019:i:c:p:475-489
    DOI: 10.1016/j.energy.2019.04.174
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    Cited by:

    1. Ilea, Flavia-Maria & Cormos, Ana-Maria & Cristea, Vasile-Mircea & Cormos, Calin-Cristian, 2023. "Enhancing the post-combustion carbon dioxide carbon capture plant performance by setpoints optimization of the decentralized multi-loop and cascade control system," Energy, Elsevier, vol. 275(C).
    2. Guo, Yunzhao & Zhang, Huiping & Fu, Kaiyun & Chen, Xianfu & Qiu, Minghui & Fan, Yiqun, 2023. "Integration of solid acid catalyst and ceramic membrane to boost amine-based CO2 desorption," Energy, Elsevier, vol. 274(C).
    3. Siti Aishah Mohd Rozaiddin & Kok Keong Lau, 2022. "A Review on Enhancing Solvent Regeneration in CO 2 Absorption Process Using Nanoparticles," Sustainability, MDPI, vol. 14(8), pages 1-33, April.
    4. Yaofeng Xu & Shuai Deng & Li Zhao & Xiangzhou Yuan & Jianxin Fu & Shuangjun Li & Yawen Liang & Junyao Wang & Jun Zhao, 2019. "Application of the Thermodynamic Cycle to Assess the Energy Efficiency of Amine-Based Absorption of Carbon Capture," Energies, MDPI, vol. 12(13), pages 1-20, June.
    5. Ding, Yudong & Ma, Lijiao & Yang, Xiaoqiang & Zhu, Xun & Wang, Hong & Cheng, Min & Liao, Qiang, 2023. "Anhydrous multi-hybrid absorbent with low viscosity and high regeneration efficiency for post-combustion CO2 capture," Energy, Elsevier, vol. 263(PA).
    6. Cormos, Calin-Cristian & Dinca, Cristian, 2021. "Techno-economic and environmental implications of decarbonization process applied for Romanian fossil-based power generation sector," Energy, Elsevier, vol. 220(C).

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