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This article is cited in 33 scientific papers (total in 33 papers)
Catalytic combustion: Achievements and problems
V. N. Parmonab, A. D. Simonova, V. A. Sadykovab, S. F. Tikhova a Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
b Novosibirsk State University, Novosibirsk, 630090, Russia
Abstract:
A catalytic method of combustion of a solid fuel in a fluidized bed is compared with a noncatalytic method. It is shown that the use of catalysts reduces the fuel consumption and sizes of heat generators approximately by an order of magnitude, while the specific load on the reactor volume increases by more than a factor of 20. Emission of toxic substances with fuel combustion products drastically decreases. Comparative stability of oxide non-platinum catalysts is estimated in the course of catalytic burning of the fuel with addition of an inert material. In burning fuels with a large content of sulphur, the maximum deactivation is found to occur within the first several tens of hours; this process is accompanied by sulphur accumulation in catalysts. Later on, the catalyst activity remains almost unchanged. It is found that a critical factor of catalyst stability is attrition resistance. The prospects of fuel burning in a layer of cermet honeycomb catalysts are demonstrated.
Keywords:
catalytic combustion, fluidized layer, catalysts, reactor, deactivation, sintering, attrition, structured catalysts, cermet.
Received: 03.05.2014
Citation:
V. N. Parmon, A. D. Simonov, V. A. Sadykov, S. F. Tikhov, “Catalytic combustion: Achievements and problems”, Fizika Goreniya i Vzryva, 51:2 (2015), 5–13; Combustion, Explosion and Shock Waves, 51:2 (2015), 143–150
Linking options:
https://www.mathnet.ru/eng/fgv211 https://www.mathnet.ru/eng/fgv/v51/i2/p5
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