Improving the stability of synthetic CaO-based CO2 sorbents by structural promoters

Improving the stability of synthetic CaO-based CO2 sorbents by structural promoters Applied Energy 156 (2015) 331–343 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Improving the stability of synthetic CaO-based CO sorbents by structural promoters a a,b,⇑ a,⇑ Andy Antzara , Eleni Heracleous , Angeliki A. Lemonidou Department of Chemical Engineering, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece School of Science & Technology, International Hellenic University (IHU), 14th km Thessaloniki – Moudania, 57001 Thessaloniki, Greece highl i ghts graphical a bstrac t CaO–ZrO prepared by sol–gel autocombustion shows outstanding 20.7% deactivation sorption performance. Promotion of CaO with Al and Zr 13.7% deactivation enhances activity and stability in CO sorption. Ca-Al-fresh Citric acid was identified as a suitable Ca-Al-used combustion agent for CaO-sorbent 45.4% deactivation synthesis. 100 sorption/desorption cycles Ca-Zr-66 Sorption: 650°C , 15% CO , 30 min Ca-Al-66 Pure CaO Desorption: 850°C , 100% N , 5min Ca-Zr-fresh Ca-Zr-used 0 10 203040 50607080 90 100 Number of cycle article i nfo abstract Article history: CaO-based materials are promising sorbents for CO capture via carbonate looping for high temperature Received 17 April 2015 applications, which however suffer from decreasing sorption capacity over multiple sorption/desorption Received in revised form 30 June 2015 cycles. In this study, we report http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Energy Elsevier

Improving the stability of synthetic CaO-based CO2 sorbents by structural promoters

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0306-2619
D.O.I.
10.1016/j.apenergy.2015.07.026
Publisher site
See Article on Publisher Site

Abstract

Applied Energy 156 (2015) 331–343 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Improving the stability of synthetic CaO-based CO sorbents by structural promoters a a,b,⇑ a,⇑ Andy Antzara , Eleni Heracleous , Angeliki A. Lemonidou Department of Chemical Engineering, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece School of Science & Technology, International Hellenic University (IHU), 14th km Thessaloniki – Moudania, 57001 Thessaloniki, Greece highl i ghts graphical a bstrac t CaO–ZrO prepared by sol–gel autocombustion shows outstanding 20.7% deactivation sorption performance. Promotion of CaO with Al and Zr 13.7% deactivation enhances activity and stability in CO sorption. Ca-Al-fresh Citric acid was identified as a suitable Ca-Al-used combustion agent for CaO-sorbent 45.4% deactivation synthesis. 100 sorption/desorption cycles Ca-Zr-66 Sorption: 650°C , 15% CO , 30 min Ca-Al-66 Pure CaO Desorption: 850°C , 100% N , 5min Ca-Zr-fresh Ca-Zr-used 0 10 203040 50607080 90 100 Number of cycle article i nfo abstract Article history: CaO-based materials are promising sorbents for CO capture via carbonate looping for high temperature Received 17 April 2015 applications, which however suffer from decreasing sorption capacity over multiple sorption/desorption Received in revised form 30 June 2015 cycles. In this study, we report

Journal

Applied EnergyElsevier

Published: Oct 15, 2015

References

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    Kierzkowska, A.M.; Poulikakos, L.V.; Broda, M.; Müller, C.R.
  • Ca looping technology: current status, developments and future directions
    Anthony, E.J.
  • Thermodynamic evaluation and cold flow model testing of an indirectly heated carbonate looping process
    Junk, M.; Reitz, M.; Ströhle, J.; Epple, B.
  • Sorption-enhanced water gas shift reaction by sodium-promoted calcium oxides
    Stevens, R.W.; Shamsi, A.; Carpenter, S.; Siriwardane, R.
  • Ni/CaO–Al2O3 bifunctional catalysts for sorption-enhanced steam methane reforming
    Xu, P.; Zhou, Z.; Zhao, C.; Cheng, Z.
  • Sol–gel-derived, CaO-based, ZrO2-stabilized CO2 sorbents
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