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The effect of the temperature of the diesel fuel hydrotreating process on the sorption of silicon on a NiMo/Al2O3 catalyst
https://doi.org/10.18412/1816-0387-2025-3-90-97
Abstract
The influence of the diesel fuel hydrotreating temperature on the patterns of silicon sorption on a NiMo/Al2O3 grain of a 2.5 mm diameter catalyst has been studied. The tests were carried out on a laboratory set up with a reactor in which the catalyst bed is divided (sectioned) into five parts in height by metal perforated partitions that are permeable to raw materials. This made it possible to obtain silicon concentration profiles along the height of the catalyst layer. decamethylcyclopentasiloxane, whose content was 200 ppm, was used as silicon compounds in the diesel fraction of oil. Three series of experiments with a duration of 200 hours were conducted at temperatures of 315, 340 and 365 OC.Astraight-run dieselfractioncontaining the additionof decamethylcyclopentasiloxane as an additionalsource of silicon was usedas a raw material. It was foundthatwithincreasingprocesstemperature, the ability of the catalysttoadsorbsiliconincreases.
About the Authors
I. S. Golubev
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
S. I. Reshetnikov
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
P. P. Dick
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
R. V. Petrov
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
I. A. Mik
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
A. S. Noskov
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
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Review
For citations:
Golubev I.S., Reshetnikov S.I., Dick P.P., Petrov R.V., Mik I.A., Noskov A.S. The effect of the temperature of the diesel fuel hydrotreating process on the sorption of silicon on a NiMo/Al2O3 catalyst. Kataliz v promyshlennosti. 2025;25(3):90-97. (In Russ.) https://doi.org/10.18412/1816-0387-2025-3-90-97
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