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Oxy-fuel conversion of sub-bituminous coal particles in fluidized bed and pulverized combustors

Changshen Bu ; Alberto Gómez-Barea ; Bo Leckner (Institutionen för energi och miljö, Energiteknik) ; Xiaoping Chen ; David Pallares (Institutionen för energi och miljö, Energiteknik) ; Daoyin Liu ; Ping Lu
Proceedings of the Combustion Institute (0082-0784). Vol. 36 (2017), 3, p. 3331-3339.
[Artikel, refereegranskad vetenskaplig]

Oxy-fuel combustion in pulverized coal (PC) and fluidized bed (FB) boilers is being increasingly investigated due to its potential use for carbon dioxide capture. The combustion conditions in the two types of unit differ significantly because of fuel size, furnace temperature, and fluid dynamics. These differences affect the change of combustion characteristics from air (O2/N2)to oxy-fuel (O2/CO2) conditions in PC and FB in different ways. In this paper, the oxy-fuel combustion behavior of a single sub-bituminous coal particle in PC is compared with that in FB conditions. The FB data were measured in our bench-scale FB test rig, whereas the PC data were collected from literature. The FB tests were performed at 1088 K with 0%vol

Nyckelord: Fluidized bed; Pulverized coal; Oxy-fuel combustion; Sub-bituminous coal;



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Denna post skapades 2016-12-27. Senast ändrad 2017-03-16.
CPL Pubid: 246513

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik (2005-2017)

Ämnesområden

Energi
Hållbar utveckling
Termisk energiteknik

Chalmers infrastruktur

Chalmers Kraftcentral (CK)