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Title

Development of cost effective and high performance composite for CO2 capture in Ca-Cu looping process

AuthorsKazi, Saima Sultana; Aranda, Asunción; Di Felice, Luca; Meyer, Julien; Murillo Villuendas, Ramón ; Grasa Adiego, Gemma
KeywordsCa-Cu looping process
Hydrothermal synthesis
Composite materials
CO2 capture capacity
O2 carrying capacity
Issue Date18-Aug-2017
PublisherElsevier
CitationEnergy Procedia 114: 211-219 (2017)
AbstractNew cost effective and high performance bi-functional composite materials consisting of CaO and CuO supported on Ca12Al14O33 have been developed for the calcium-copper (Ca-Cu) looping process. A hydrothermal method has been used to synthesize the materials from low cost precursors. Prepared composites are characterised by X-ray diffraction, scanning electron microscopy together with energy-dispersive spectroscopy mapping, and by crushing strength tests. Long term chemical performances of the materials are tested in a thermo-gravimetric analyser. The composite containing 53 wt% CuO, 22 wt% CaO and 25 wt% Ca12Al14O33 shows stable CO2 capture (∼15 g-CO2/100 g composite) and O2 carrying capacity (∼7 g-O2/100 g composite) in long term Ca-Cu multi-cycle, and shows satisfactory mechanical strength compared to reference materials used in the Ca-Cu process.
Description5 Figuras.- 4 Tablas
Publisher version (URL)http://dx.doi.org/10.1016/j.egypro.2017.03.1163
URIhttp://hdl.handle.net/10261/192261
DOI10.1016/j.egypro.2017.03.1163
ISSN1876-6102
E-ISSN1876-6102
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