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Chemical-looping combustion and chemical-looping reforming of kerosene in a circulating fluidized-bed 300W laboratory reactor

Patrick Moldenhauer (Institutionen för energi och miljö, Energiteknik) ; Magnus Rydén (Institutionen för energi och miljö, Energiteknik) ; Tobias Mattisson (Institutionen för energi och miljö, Energiteknik) ; Anders Lyngfelt (Institutionen för energi och miljö, Energiteknik)
International Journal of Greenhouse Gas Control (1750-5836). Vol. 9 (2012), p. 1-9.
[Artikel, refereegranskad vetenskaplig]

The reaction between a nickel-based oxygen carrier and a liquid fuel has been demonstrated in a chemical-looping reactor with continuous particle circulating. An injection system was constructed, in which sulfur-free kerosene was evaporated, mixed with superheated steam and fed directly into the lab scale chemical-looping reactor. A nickel-based oxygen carrier composed of 40 wt% NiO and 60 wt% MgO-ZrO2 was used for both chemical-looping combustion (CLC) and chemical-looping reforming (CLR) experiments, which were performed for about 34 h and 20 h, respectively. For the CLC experiments, 95-99% of the fuel carbon was converted to CO2 and only a minute amount of hydrocarbons was detected in the off-gas. For the CLR experiments, synthesis gas was produced with concentrations of hydrocarbons as low as 0.01%. The particles were analyzed before and after the experiments using XRD, SEM, BET surface area and particle size distribution. It was shown that it is possible to use liquid fuel in a continuous chemical-looping process and also achieve nearly complete fuel conversion. With a nickel-based oxygen carrier virtually all hydrocarbon could be fully oxidized.

Nyckelord: chemical-looping combustion (CLC), chemical-looping reforming (CLR), liquid fuel, kerosene, nickel-based oxygen carrier, circulating fluidized bed (CFB), CO2 capture



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Denna post skapades 2012-04-03. Senast ändrad 2016-04-28.
CPL Pubid: 156405

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik

Ämnesområden

Energi
Hållbar utveckling
Termisk energiteknik
Kemisk energiteknik

Chalmers infrastruktur

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Chemical-Looping Combustion with Liquid Fuel