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A novel ionic liquids-based scrubbing process for efficient CO2 capture

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Abstract

A novel alkanolamine-based ionic liquid, N-methyl-diethanolammonium tetrafluoroborate ([MDEA][BF4]), was synthesized in our laboratory. The ionic liquid-based composite solution consisting of N-methyl-diethanolamine (MDEA), [MDEA][BF4], piperazine (PZ) and H2O was investigated for CO2 capture. The optimal performance for CO2 capture was found at 45 °C, 1.50 MPa, probably due to a synergistic action of the reaction and the transport. No apparent corrosion was found on stainless and carbon steel with the above composite solution. This finding is very significant to the promotion of its engineering application.

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Authors and Affiliations

  1. State Key Laboratory of Multiphase Complex System; Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China

    SuoJiang Zhang, XiangPing Zhang, YanSong Zhao, GuoYing Zhao, XiaoQian Yao & HongWei Yao

  2. College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing, 100049, China

    YanSong Zhao & HongWei Yao

Authors
  1. SuoJiang Zhang
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  2. XiangPing Zhang
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  3. YanSong Zhao
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  4. GuoYing Zhao
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  5. XiaoQian Yao
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  6. HongWei Yao
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Correspondence to SuoJiang Zhang or XiangPing Zhang.

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Zhang, S., Zhang, X., Zhao, Y. et al. A novel ionic liquids-based scrubbing process for efficient CO2 capture. Sci. China Chem. 53, 1549–1553 (2010). https://doi.org/10.1007/s11426-010-4030-z

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  • DOI: https://doi.org/10.1007/s11426-010-4030-z

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