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Chemical-looping combustion of solid fuels - Technology overview and recent operational results in 100 kW unit

Anders Lyngfelt (Institutionen för energi och miljö, Energiteknik) ; Carl Linderholm (Institutionen för energi och miljö, Energiteknik)
Energy Procedia: 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014; University of Texas at AustinAustin; United States; 5 October 2014 through 9 October 2014 (1876-6102). Vol. 63 (2014), p. 98-112.
[Konferensbidrag, refereegranskat]

Chemical-looping combustion is a new combustion principle that uses metal oxides for oxygen transfer from air to fuel. Fuel is never mixed with combustion air and the combustion products, CO2 and steam, are recovered in a separate flow without gas separation. Thus, CO2 capture is inherent in the process and costs and energy penalties for gas separation are avoided. The paper includes: An overview of results from a 100-kW chemical-looping combustor for solid fuel. a discussion of technology scale-up and costs based on comparison to conventional circulating fluidizedbed boilers. The added cost for a CLC power plant, compared with a conventional CFB plant, should be in the range 12-27 €/tonne of CO2 avoided, and likely around 19-20 €/tonne.

Nyckelord: Chemical-looping combustion , Circulating fluidized bed , CO2 avoided cost , Oxygen carrier , Solid fuels



Denna post skapades 2015-03-04. Senast ändrad 2016-04-28.
CPL Pubid: 213394

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik

Ämnesområden

Kemisk energiteknik

Chalmers infrastruktur