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Iron-containing Catalysts for Deep Oidation in the Fluidized Bed
https://doi.org/10.18412/1816-0387-2015-2-61-67
Abstract
Iron-containing catalysts for the deep oxidation were prepared by impregnation of a support (γ-Al2O3) with a solution of (NH4)3[Fe(C2O4)3] (sample FeOX FeOX/γ-Al2O3) or a solution of Fe(NO3)3 (sample FeNO FeOX/γ-Al2O3). The samples were studied by the BET method, XRD, XPS, and HREM. The catalyst activities were determined in the oxidation of CO: it was shown that the sample FeOX FeOX/γ-Al2O3is more active than the sample FeNO FeOX/γ-Al2O3. It is shown that the active component of the catalyst obtained with Fe(NO3)3 is α- Fe2O3, while the active component of the catalyst obtained with the solution of (NH4)3[Fe(C2O4)3] is a solid solution of Fe3+ in FeOX/γ-Al2O3. The sample FeOX FeOX/γ-Al2O3and industrial catalysts SHKZ-1 and IC-12-73 were tested in the combustion of brown Kansk-Achinsk coal in the fluidized bed. It is shown that the use of the sample FeOX FeOX/γ-Al2O3provides the high degree (95 %) of the lignite burning and reduces the CO emission as compared with the level obtained with an inert material.
About the Authors
A. V. Fedorov
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Russian Federation
Russian Federation
N. A. Yazykov
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Russian Federation
Russian Federation
D. Yu. Ermakov
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Russian Federation
Russian Federation
V. V. Kaichev
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Novosibirsk State University, Novosibirsk, Russia
Russian Federation
Russian Federation
A. D. Simonov
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Russian Federation
Russian Federation
V. A. Yakovlev
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Novosibirsk State University, Novosibirsk, Russia
Russian Federation
Russian Federation
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Review
For citations:
Fedorov A.V., Yazykov N.A., Ermakov D.Yu., Kaichev V.V., Simonov A.D., Yakovlev V.A. Iron-containing Catalysts for Deep Oidation in the Fluidized Bed. Kataliz v promyshlennosti. 2015;15(2):61-67. (In Russ.) https://doi.org/10.18412/1816-0387-2015-2-61-67
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