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Promoted CO 2 absorption in aqueous ammonia

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  • Hai Yu
  • Qunyang Xiang
  • Mengxiang Fang
  • Qi Yang
  • Paul Feron

Abstract

Aqueous ammonia is a promising solvent for post combustion CO 2 capture but the CO 2 absorption rate in aqueous ammonia alone is low. This short communication investigates the effect of seven additives as potential promoters of CO 2 absorption in aqueous ammonia, and aims to inspire more research to develop effective promoters to increase CO 2 absorption in aqueous ammonia and further advance the aqueous ammonia‐based capture process. The additives were monoethanolamine, piperazine, 1‐methyl piperazine, 4‐amino piperidine and the sodium salts of three amino acids: sarcosine, taurine and glycine. Experiments were performed on a wetted wall column at an absorption temperature of 15 °C using 3 M (mol/L) NH 3 in the presence and absence of 0. 3 M of each additive. CO 2 mass transfer coefficients increased to different extents in the presence of different additives. Piperazine, 1‐methyl piperazine and sarcosine sodium salt promoted CO 2 absorption in aqueous NH 3 to a greater extent than the other additives. © 2012 Society of Chemical Industry and John Wiley & Sons, Ltd

Suggested Citation

  • Hai Yu & Qunyang Xiang & Mengxiang Fang & Qi Yang & Paul Feron, 2012. "Promoted CO 2 absorption in aqueous ammonia," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 2(3), pages 200-208, June.
    • Handle: RePEc:wly:greenh:v:2:y:2012:i:3:p:200-208
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    Cited by:

    1. Zhang, Zhien & Li, Yifu & Zhang, Wenxiang & Wang, Junlei & Soltanian, Mohamad Reza & Olabi, Abdul Ghani, 2018. "Effectiveness of amino acid salt solutions in capturing CO2: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 98(C), pages 179-188.
    2. N.Borhani, Tohid & Wang, Meihong, 2019. "Role of solvents in CO2 capture processes: The review of selection and design methods," Renewable and Sustainable Energy Reviews, Elsevier, vol. 114(C), pages 1-1.
    3. Muhammad Asif & Muhammad Suleman & Ihtishamul Haq & Syed Asad Jamal, 2018. "Post‐combustion CO2 capture with chemical absorption and hybrid system: current status and challenges," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 8(6), pages 998-1031, December.
    4. Ji, Long & Yu, Hai & Li, Kangkang & Yu, Bing & Grigore, Mihaela & Yang, Qi & Wang, Xiaolong & Chen, Zuliang & Zeng, Ming & Zhao, Shuaifei, 2018. "Integrated absorption-mineralisation for low-energy CO2 capture and sequestration," Applied Energy, Elsevier, vol. 225(C), pages 356-366.
    5. Yifang Liu & Fengming Chu & Lijun Yang & Xiaoze Du & Yongping Yang, 2018. "CO2 absorption characteristics in a random packed column with various geometric structures and working conditions," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 8(1), pages 120-132, February.
    6. Hai Yu & Nan Yang & Marcel Maeder & Paul Feron, 2018. "Kinetics of the reversible reaction of CO2(aq) with taurate in aqueous solution," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 8(4), pages 672-685, August.
    7. Yanchi Jiang & Zhongxiao Zhang & Haojie Fan & Junjie Fan & Haiquan An, 2018. "Experimental study on hybrid MS†CA system for post†combustion CO2 capture," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 8(2), pages 379-392, April.
    8. Haider Sultan & Umair Hassan Bhatti & Hafiz Ali Muhammad & Sung Chan Nam & Il Hyun Baek, 2021. "Modification of postcombustion CO2 capture process: A techno‐economic analysis," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 11(1), pages 165-182, February.

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