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Open AccessArticle

CuFeAl Nanocomposite Catalysts for Coal Combustion in Fluidized Bed

Boreskov Institute of Catalysis, Lavrentev Ave., 5, 630090 Novosibirsk, Russia
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Nanomaterials 2020, 10(5), 1002; https://doi.org/10.3390/nano10051002
Received: 24 April 2020 / Revised: 21 May 2020 / Accepted: 21 May 2020 / Published: 24 May 2020
(This article belongs to the Special Issue Synthesis of Nanocomposites and Catalysis Applications)
A method of oil-drop granulation was suggested for the preparation of spherical CuFeAl nanocomposite catalysts. The catalysts were characterized by a set of physicochemical methods (X-ray diffraction, temperature-programmed reduction by H2, low-temperature nitrogen adsorption, crushing strength) and tested in the oxidation of CO and burning of brown coal in a fluidized bed. It was found that the catalysts have high mechanical strength (16.2 MPa), and their catalytic properties in the oxidation of CO are comparable to the characteristics of industrial Cr-containing catalysts. It was shown that the addition of pseudoboehmite at the stage of drop formation contributes to the production of uniform spherical high-strength granules and facilitates the stabilization of the phase state of the active component. The use of CuFeAl nanocomposite catalysts for the burning of brown coal provides a low emission of CO (600 ppm) and NOx (220 ppm) and a high degree of coal burnout (95%), which are close to those of the industrial Cr-containing catalysts (emission of CO is 700 ppm, NOx—230 ppm, and degree of coal burnout is 95%). View Full-Text
Keywords: catalytic combustion; fluidized bed; CO oxidation; oil-drop granulation; iron oxide; copper oxide catalytic combustion; fluidized bed; CO oxidation; oil-drop granulation; iron oxide; copper oxide
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MDPI and ACS Style

Fedorov, A.V.; Yazykov, N.A.; Bulavchenko, O.A.; Saraev, A.A.; Kaichev, V.V.; Yakovlev, V.A. CuFeAl Nanocomposite Catalysts for Coal Combustion in Fluidized Bed. Nanomaterials 2020, 10, 1002. https://doi.org/10.3390/nano10051002

AMA Style

Fedorov AV, Yazykov NA, Bulavchenko OA, Saraev AA, Kaichev VV, Yakovlev VA. CuFeAl Nanocomposite Catalysts for Coal Combustion in Fluidized Bed. Nanomaterials. 2020; 10(5):1002. https://doi.org/10.3390/nano10051002

Chicago/Turabian Style

Fedorov, Aleksandr V.; Yazykov, Nikolay A.; Bulavchenko, Olga A.; Saraev, Andrey A.; Kaichev, Vasily V.; Yakovlev, Vadim A. 2020. "CuFeAl Nanocomposite Catalysts for Coal Combustion in Fluidized Bed" Nanomaterials 10, no. 5: 1002. https://doi.org/10.3390/nano10051002

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