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Operation of fixed-bed chemical looping combustion
Kimball, E.; Hamers, H.P.; Cobden, P.D.; Gallucci, F.; Sint Annaland, M. van
Gepubliceerd door: Publicatie datum:
ECN Biomass & Energy Efficiency 29-8-2013
ECN publicatienummer: Publicatie type:
ECN-W--13-037 Artikel wetenschap tijdschrift
Aantal pagina's:

Gepubliceerd in: Energy Procedia (Elsevier), , 2013, Vol.37, p.575-579.

Chemical Looping Combustion is an alternative technology for CO2 capture. While most systems utilize dual circulating fluidized-beds, this work shows that fixed-bed Chemical Looping Combustion is a feasible configuration for this technology. The inherent separation of the CO2 from the depleted air stream gives a very low efficiency penalty, which is further improved by the possibility of using a pressurized fixed-bed system, a factor much more difficult to realize with circulating fluidized beds. A laboratory scale experimental system has been constructed for the purpose of validating a numerical model. The results from the numerical model have agreed well with experimental data over full oxidation-reduction cycles and will be presented in subsequent publications. The work briefly described here, and to be presented in detail in coming publications, forms a basis which proves feasibility, but also opens up several possibilities for further investigations needed to scale-up and eventually commercialize CLC for power generation with inherent CO2 capture.

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