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A study of the CO2 capture pilot plant by amine absorption

Author

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  • Kwak, No-Sang
  • Lee, Ji Hyun
  • Lee, In Young
  • Jang, Kyung Ryoung
  • Shim, Jae-Goo

Abstract

A pilot plant for CO2 recovery of 2 ton-CO2/day from flue gas emitted from a 500 MW coal fired power plant was tested with aqueous amine absorbents. Based on a chemical absorption/regeneration process with 30 wt% aqueous monoethanolamine (MEA) solution, we studied the CO2 recovery as a function of flow rate and input location of absorbent, pressure and temperature of stripper, and temperature of flue gas. Experimental data include the temperature profile of the absorber/stripper and CO2 lean/rich loading values, which remained stable during the operation. We evaluated the energy requirement for regeneration of aqueous amine and the degree of CO2 removal. While regeneration energy of aqueous amine increased with an increase in flue gas temperature and stripper pressure, it decreased with an increase in injection height of absorbent. The optimum point in flow rate of absorbent was 1300 kg/h in 350 Sm3/h flue gas. The regeneration energy using 30 wt% MEA solution was 3.92 GJ/ton CO2 in 90% CO2 removal, flue gas temperature of 40 °C, stripper pressure of 0.5 kgf/cm2 and L/G ratio of 3.7 kg/Sm3. In addition, corrosion rate of the pilot plant were measured in six points. It is the largest as 79.11 mpy in the bottom of the stripper tower.

Suggested Citation

  • Kwak, No-Sang & Lee, Ji Hyun & Lee, In Young & Jang, Kyung Ryoung & Shim, Jae-Goo, 2012. "A study of the CO2 capture pilot plant by amine absorption," Energy, Elsevier, vol. 47(1), pages 41-46.
    • Handle: RePEc:eee:energy:v:47:y:2012:i:1:p:41-46
    DOI: 10.1016/j.energy.2012.07.016
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    Cited by:

    1. Zhang, Qiyan & Liu, Yanxing & Cao, Yuhao & Li, Zhengyuan & Hou, Jiachen & Gou, Xiang, 2023. "Parametric study and optimization of MEA-based carbon capture for a coal and biomass co-firing power plant," Renewable Energy, Elsevier, vol. 205(C), pages 838-850.
    2. Mehrpooya, Mehdi & Moftakhari Sharifzadeh, Mohammad Mehdi & Rosen, Marc A., 2016. "Energy and exergy analyses of a novel power cycle using the cold of LNG (liquefied natural gas) and low-temperature solar energy," Energy, Elsevier, vol. 95(C), pages 324-345.
    3. Zhang, Xiong & Zhang, Shihong & Yang, Haiping & Shao, Jingai & Chen, Yingquan & Feng, Ye & Wang, Xianhua & Chen, Hanping, 2015. "Effects of hydrofluoric acid pre-deashing of rice husk on physicochemical properties and CO2 adsorption performance of nitrogen-enriched biochar," Energy, Elsevier, vol. 91(C), pages 903-910.
    4. José Luis Míguez & Jacobo Porteiro & Raquel Pérez-Orozco & Miguel Ángel Gómez, 2018. "Technology Evolution in Membrane-Based CCS," Energies, MDPI, vol. 11(11), pages 1-18, November.
    5. Zheng, Yawen & Gao, Lin & He, Song, 2023. "Analysis of the mechanism of energy consumption for CO2 capture in a power system," Energy, Elsevier, vol. 262(PA).
    6. Don Rukmal Liyanage & Kasun Hewage & Hirushie Karunathilake & Gyan Chhipi-Shrestha & Rehan Sadiq, 2021. "Carbon Capture Systems for Building-Level Heating Systems—A Socio-Economic and Environmental Evaluation," Sustainability, MDPI, vol. 13(19), pages 1-30, September.
    7. Vega, F. & Baena-Moreno, F.M. & Gallego Fernández, Luz M. & Portillo, E. & Navarrete, B. & Zhang, Zhien, 2020. "Current status of CO2 chemical absorption research applied to CCS: Towards full deployment at industrial scale," Applied Energy, Elsevier, vol. 260(C).
    8. Park, Sangwon & Song, Kyungsun & Jo, Hwanju, 2017. "Laboratory-scale experiment on a novel mineralization-based method of CO2 capture using alkaline solution," Energy, Elsevier, vol. 124(C), pages 589-598.
    9. Choi, Jaeuk & Cho, Habin & Yun, Seokwon & Jang, Mun-Gi & Oh, Se-Young & Binns, Michael & Kim, Jin-Kuk, 2019. "Process design and optimization of MEA-based CO2 capture processes for non-power industries," Energy, Elsevier, vol. 185(C), pages 971-980.
    10. Han, Siyu & Meng, Yuan & Aihemaiti, Aikelaimu & Gao, Yuchen & Ju, Tongyao & Xiang, Honglin & Jiang, Jianguo, 2022. "Biogas upgrading with various single and blended amines solutions: Capacities and kinetics," Energy, Elsevier, vol. 253(C).

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