Experimental investigation of CaMnO3-δ based oxygen carriers used in continuous Chemical-Looping Combustion
Artikel i vetenskaplig tidskrift, 2014

Three materials of perovskite structure, (M = Mg or Mg and Ti), have been examined as oxygen carriers in continuous operation of chemical-looping combustion (CLC) in a circulating fluidized bed system with the designed fuel power 300 W. Natural gas was used as fuel. All three materials were capable of completely converting the fuel to carbon dioxide and water at 900°C. All materials also showed the ability to release gas phase oxygen when fluidized by inert gas at elevated temperature (700–950°C); that is, they were suitable for chemical looping with oxygen uncoupling (CLOU). Both fuel conversion and oxygen release improved with temperature. All three materials also showed good mechanical integrity, as the fraction of fines collected during experiments was small. These results indicate that the materials are promising oxygen carriers for chemical-looping combustion.

Författare

Peter Hallberg

Chalmers, Energi och miljö, Energiteknik

Malin Hanning

Chalmers, Energi och miljö, Energiteknik

Dazheng Jing

Chalmers, Kemi- och bioteknik, Oorganisk miljökemi

Frans Snijkers

Flemish Institute for Technological Research

Jasper van Noyen

Flemish Institute for Technological Research

Magnus Rydén

Chalmers, Energi och miljö, Energiteknik

Anders Lyngfelt

Chalmers, Energi och miljö, Energiteknik

International Journal of Chemical Engineering

1687-806X (ISSN) 1687-8078 (eISSN)

Vol. 2014

Ämneskategorier

Energiteknik

Annan kemiteknik

Styrkeområden

Energi

DOI

10.1155/2014/412517