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Chemical Looping Combustion of Sulphurous Solid Fuels using Spray-Dried Calcium Manganate Particles as Oxygen Carrier

Matthias Schmitz (Institutionen för energi och miljö, Energiteknik) ; Carl Linderholm (Institutionen för energi och miljö, Energiteknik) ; Anders Lyngfelt (Institutionen för energi och miljö, Energiteknik)
Energy Procedia: 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014, Austin, United States, 5-9 October 2014 (1876-6102). Vol. 63 (2014), p. 140-152.
[Konferensbidrag, refereegranskat]

A perovskite material, CaMn0.9Mg0.1O3-δ, has been investigated as oxygen carrier in a 10 kW chemical looping pilot using sulphurous fuels. Operation with inert gas in the fuel reactor showed that the material released significant amounts of gas-phase oxygen, indicating CLOU properties. Stable operation with fuel was performed during 29 hours with performance superior to previously tested oxygen carriers like ilmenite. A slight deterioration of the conversion was detected during the experiments, which can be attributed to the accumulation of sulphur in the oxygen carrier. However, a regeneration test with non-sulphurous fuel showed that this process is reversible and that the oxygen carrier can be regenerated after being subjected to sulphurous fuels.

Nyckelord: Carbon capture; Chemical looping combustion; CLOU; Oxygen carrier; Perovskite



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Denna post skapades 2015-01-22. Senast ändrad 2016-05-23.
CPL Pubid: 211384

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik

Ämnesområden

Energi
Energiteknik

Chalmers infrastruktur

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Manganese Materials in Solid Fuel Chemical Looping Combustion