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混合胺复配溶液对二氧化碳的吸收/解吸

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穆艾伟, 樊俊杰, 江砚池, 于娟, 赵子淇, 贾萌川. 混合胺复配溶液对二氧化碳的吸收/解吸[J]. 环境化学, 2020, (2): 409-415. doi: 10.7524/j.issn.0254-6108.2019031001
引用本文: 穆艾伟, 樊俊杰, 江砚池, 于娟, 赵子淇, 贾萌川. 混合胺复配溶液对二氧化碳的吸收/解吸[J]. 环境化学, 2020, (2): 409-415. doi: 10.7524/j.issn.0254-6108.2019031001
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MU Aiwei, FAN Junjie, JIANG Yanchi, YU Juan, ZHAO Ziqi, JIA Mengchuan. CO2 absorption/desorption using aqueous solution blended with mixed amine[J]. Environmental Chemistry, 2020, (2): 409-415. doi: 10.7524/j.issn.0254-6108.2019031001
Citation: MU Aiwei, FAN Junjie, JIANG Yanchi, YU Juan, ZHAO Ziqi, JIA Mengchuan. CO2 absorption/desorption using aqueous solution blended with mixed amine[J]. Environmental Chemistry, 2020, (2): 409-415. doi: 10.7524/j.issn.0254-6108.2019031001
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混合胺复配溶液对二氧化碳的吸收/解吸

  • 1. 上海理工大学, 环境与建筑学院, 上海, 200093;

  • 2. 上海交通大学, 机械与动力工程学院, 上海, 200240;

  • 3. 上海理工大学, 能源与动力工程学院, 上海, 200093

    • 通讯作者: 樊俊杰, E-mail: fjj2006jj@126.com. ; 
  • 基金项目:

    国家重点研发计划（2016YFE0102500）资助.

CO2 absorption/desorption using aqueous solution blended with mixed amine

  • 1. School of Environment and Architecture Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China;

  • 2. Shanghai Jiao Tong University, Shanghai, 200240, China;

  • 3. School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China

    • Corresponding author: FAN Junjie, fjj2006jj@126.com. ; 
  • Fund Project: Supported by the National Key R&D Program of China (2016YFE0102500).

  • 摘要: 醇胺法是目前捕集二氧化碳的主要化学方法之一.本文主要以混合胺吸收剂为基础，考察了三乙烯四胺（TETA）-活化剂-水体系的吸收和解吸再生能力，确定了以质量分数为12.5%的TETA为基础胺的高吸收速率低解吸能耗的混合胺复配吸收液.分别选取质量分数为2.5%二乙醇胺（DEA）、二乙烯三胺（DETA）、哌嗪（PZ）、2-氨基-2-甲基-1-丙醇（AMP）为活化剂，即基础胺与活化剂的质量比为5∶1，从CO2脱除率、吸收速率、吸收量、溶液负荷等指标来考察混合胺复配溶液体系的吸收情况，从中选取具有高吸收效率复配溶液进行解吸再生实验.解吸再生能力以解吸再生能耗、再生程度、再生速率等指标为依据，选取低再生能耗的混合复配溶液.实验表明，4种总质量分数为15%的TETA-活化剂复配溶液中，TETA-PZ的吸收效果最好、吸收量最大，同时解吸再生能耗最低，TETA-AMP复配体系其次.综合实验结果，选取TETA-环胺-水体系和TETA-空间位阻胺-水体系为最佳混合胺复配溶液体系.
    Abstract: Alcoholamine absorption is currently one of the main chemical methods for capturing carbon dioxide. Based on the mixed amine absorbent, the absorption and desorption regeneration ability of TETA-activator-water system was investigated at a mass ratio of 5:1. And the mass fraction of TETA was 12.5%. This paper selected DEA, DETA, PZ, AMP as activator with a mass fraction of 2.5%. The absorption of the mixed amine compound solution system was investigated for the CO2 removal rate, absorption rate, absorption amount, solution load and other indicators, and the compounding solution with high absorption efficiency was selected for desorption experiment. The regeneration capacity was based on desorption regeneration energy consumption, regeneration degree, regeneration rate and other indicators, and a mixed compound solution with low regeneration energy consumption was selected. Experiments show that in the four TETA-activator compound solutions with a mass fraction of 15%, TETA-PZ exhibited the best absorption effect and the largest absorption, while the regeneration energy consumption was the lowest. The TETA-AMP compounding system was the second. Based on the comprehensive experimental results, TETA-cyclic amine-water system and TETA-sterically hindered amine-water system were selected as the best mixed amine compound solution system.
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  • [1] 周绪忠, 李水娥, 仵恒, 等. 用混合醇胺吸收燃煤烟气中CO2的试验研究[J]. 湿法冶金, 2015, 34(5):432-434.

    ZHOU X Z, LI S E, WU H, et al. Absorption of CO2 from coal-fired flue gas with mixed alcohol amine[J]. Hydrometallurgy of China, 2015, 34(5):432-434(in Chinese).

    [2] 史澄辉. 醇胺溶液CO2吸收性能与解吸能耗实验研究[D]. 青岛:青岛科技大学, 2013. SHI D H. Experimental investigation of amine solution characteristics in CO2 capture system from power plant[D]. Qingdao:Qingdao University of Science and Technology, 2013(in Chinese).
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    [6] 刘今朝, 王淑娟, 赵博, 等. N-甲基二乙醇胺/哌嗪溶液和氨水吸收二氧化碳的实验研究[J]. 环境科学学报, 2012, 32(10):2533-2539.

    LIU J C, WANG S J, ZHAO B, et al. Absorption of carbon dioxide by methyldiethanolamine/piperazine and aqueous ammonia[J]. Acta Scientiae Circumstantiae, 2012, 32(10):2533-2539(in Chinese).

    [7] 杨旗, 胡辉, 夏琪, 等. 以三乙烯四胺为前驱体合成的离子液体对CO2的吸收效果研究[J]. 环境科学学报, 2016, 36(6):2195-2200.

    YANG Q, HU H, XIA Q, et al. Effect of ionic liquid synthesized by triethylenetetramine as precursor on CO2 Absorption[J]. Acta Scientiae Circumstantiae, 2016, 36(6):2195-2200(in Chinese).

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  • 收稿日期:  2019-03-10

混合胺复配溶液对二氧化碳的吸收/解吸

    通讯作者: 樊俊杰, E-mail: fjj2006jj@126.com. ; 
  • 1. 上海理工大学, 环境与建筑学院, 上海, 200093;
  • 2. 上海交通大学, 机械与动力工程学院, 上海, 200240;
  • 3. 上海理工大学, 能源与动力工程学院, 上海, 200093
  • 收稿日期:  2019-03-10
  • 网络出版日期:  2020-02-26
基金项目:

国家重点研发计划（2016YFE0102500）资助.

摘要: 醇胺法是目前捕集二氧化碳的主要化学方法之一.本文主要以混合胺吸收剂为基础，考察了三乙烯四胺（TETA）-活化剂-水体系的吸收和解吸再生能力，确定了以质量分数为12.5%的TETA为基础胺的高吸收速率低解吸能耗的混合胺复配吸收液.分别选取质量分数为2.5%二乙醇胺（DEA）、二乙烯三胺（DETA）、哌嗪（PZ）、2-氨基-2-甲基-1-丙醇（AMP）为活化剂，即基础胺与活化剂的质量比为5∶1，从CO2脱除率、吸收速率、吸收量、溶液负荷等指标来考察混合胺复配溶液体系的吸收情况，从中选取具有高吸收效率复配溶液进行解吸再生实验.解吸再生能力以解吸再生能耗、再生程度、再生速率等指标为依据，选取低再生能耗的混合复配溶液.实验表明，4种总质量分数为15%的TETA-活化剂复配溶液中，TETA-PZ的吸收效果最好、吸收量最大，同时解吸再生能耗最低，TETA-AMP复配体系其次.综合实验结果，选取TETA-环胺-水体系和TETA-空间位阻胺-水体系为最佳混合胺复配溶液体系.

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