Journal
13TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-13
Volume 114, Issue -, Pages 220-229Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2017.03.1164
Keywords
CO2 capture; calcium looping; sol-gel
Funding
- Alstom
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Ca-based, MgAl2O4-stabilized sorbents for CO2 capture were prepared using a sol-gel approach. The chemical composition and morphology of the sorbents were characterized using scanning electron microscopy, X-ray diffraction and N-2 adsorption analysis. The cyclic CO2 uptake of the materials was studied in a thermogravimetric analyzer and fluidized bed reactor. It was found that the calcium precursor and condensation catalyst strongly influenced the chemical composition and morphology of the sorbents and, in turn, their cyclic CO2 uptake capabilities. The material that was synthesized using Ca(CH3COO)(2) as the calcium precursor and acetic acid as a condensation catalyst possessed the highest cyclic CO2 uptake, viz. 0.39 g CO2/g sorbent after 10 cycles of calcination and (C) 2017 Published by Elsevier Ltd.
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