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Functionalised Adsorbents for Carbon dioxide Capture

  • Amit Bansiwal
  • Vivek Kumar
  • Pradnya Pillewan
  • Nitin Labhsetwar
  • Rajesh Biniwale
  • Sadhana Rayalu
Chapter

Abstract

Carbon dioxide is a green house gas and its emissions from large stationary sources like coal based power plants is a global catastrophe. Keeping in view the limitations associated with the reported adsorbents, development of new functionalised adsorbents based on immobilized amines is attempted in the present work. The synthesised adsorbents were thoroughly characterised using various techniques namely XRD, SEM, FTIR to determine the physico-chemical, structural and morphological properties before and after modification. The characterisation results have confirmed that the ordered porous structure of zeolite was retained after modification of only the surface and retaining the porosity and pore volume which is highly desired for an efficient adsorbent. These functionalised adsorbents were evaluated using continuous flow through packed bed reactors and simulated stream of ~15 % CO2 rest N2 to determine adsorption capacity and other breakthrough parameters. It was observed that after incorporation of amines, the adsorption capacity of zeolite was significantly improved and was comparable to the benchmark adsorbents. The results clearly demonstrate high uptake of CO2 in amine treated zeolite, almost in the temperature range of flue gas (50–120 °C). The investigations based on amine modified zeolites are promising showing better adsorption capacities and selectivities and are expected to overcome the limitations of conventional adsorbents.

Keywords

Carbon dioxide capture Amines Zeolites 

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Notes

Acknowledgements

The present work was performed at National Environmental Engineering Research Institute (CSIR-NEERI), Nagpur. The authors acknowledge the support extended by Director, NEERI for his encouragement. One of the authors Mr. Vivek Kumar would also like to kindly acknowledge the Council of Scientific and Industrial Research (CSIR), India for granting Senior Research Fellowship to him.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Amit Bansiwal
    • 1
  • Vivek Kumar
    • 1
  • Pradnya Pillewan
    • 1
  • Nitin Labhsetwar
    • 1
  • Rajesh Biniwale
    • 1
  • Sadhana Rayalu
    • 1
  1. 1.Environmental Materials DivisionNational Environmental Engineering Research Institute (CSIR-NEERI)NagpurIndia

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