Chemical activation of mesoporous carbon with ultrahigh pore volume for highly supported adsorption of CO2

  • Siping Hu
  • Chun Li
  • De Wan
  • Kunming Li
  • Chunxiao Yu
  • Weiping Kong
Article
  • 22 Downloads

Abstract

A novel mesoporous carbon (AMC850) with worm-like mesoporosity, very large BET surface area (2935 m2/g), and ultrahigh pore volume of 3.41 cm3/g was facilely synthesized from etching of the pristine mesoporous carbon (MC850) with sodium amide (NaNH2). The mesoporosity in the synthesized AMC850 was significantly expanded in comparison with pristine mesoporous carbon. The synthesized AMC850acts as an efficient support, could accommodate much more pentaethylenehexamine (PEHA) in comparison with the pristine MC850, giving PEHA@AMC850 composites. The resultant PEHA@AMC850 showed much improved property for the selective capture of CO2 in comparison with AMC850 (2.02 mmol/g vs. 0.73 mmol/g, at 75 °C). Thus, the PEHA@AMC850 composites showed promising application in the selective capture of CO2 from flue gas.

Keywords

Mesoporous carbon Chemical activation Pentaethylenehexamine Physical impregnation CO2 adsorption 

Notes

Acknowledgements

This work was supported by the Natural Science Foundation of Zhejiang Province (No. LQ18E030001) and the foundation of Key Laboratory of Effective Utilization of Chemical Resources in Beijing University of Chemical Technology (CRE-2017-C-205).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Shaoxing UniversityShaoxingChina
  2. 2.Zhejiang Medicine Co., Ltd.ShaoxingChina

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