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Development of fuidized bed conversion of solid fuels--history and future

Bo Leckner (Institutionen för energi och miljö, Energiteknik)
Proc of the 22nd Int. Conf. on fluidized bed conversion Vol. 1 (2015), p. 2-11.
[Konferensbidrag, övrigt]

A summary is given on the development of fluidized bed conversion (combustion and gasification) of solid fuels. First, gasification is mentioned, following the line of development from the Winkler gasifier to recent designs. The combustors were initially bubbling beds, which were found unsuitable for combustion of coal because of various drawbacks. They proved more useful for biomass where these drawbacks were absent. Instead, circulating fluidized bed boilers became the most important coal converters, whose design now is quite mature, and the increments in size and efficiency are the presently most important tasks. The new developments of these conversion devices are related to CO2 capture. Proposed methods with this purpose involving fluidized bed are oxy-fuel combustion, and various dual-reactor systems, including also indirect biomass gasifiers.

Nyckelord: fluidized bed; combustion; gasification; chemical looping; oxy-fuel; calcium looping


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Denna post skapades 2015-06-22. Senast ändrad 2016-08-15.
CPL Pubid: 218651

 

Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik

Ämnesområden

Energi
Hållbar utveckling
Termisk energiteknik

Chalmers infrastruktur