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Adsorption

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01-04-2013

Textural characteristics of sulphided hydrotreatment catalysts prepared using Co–Mo complex compounds

Authors: K. A. Leonova, O. V. Klimov, E. Yu. Gerasimov, P. P. Dik, V. Yu. Pereyma, S. V. Budukva, A. S. Noskov

Published in: Adsorption | Issue 2-4/2013

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Abstract

Sulphided Co–Mo catalysts prepared by supporting (CoL)₂[Mo₄(C₆H₅O₇)₂O₁₁]·xH₂O on γ-Al₂O₃ were studied. Pores with diameters less than 40 Å in the catalysts preliminary dried at 120 °C were observed. The volume of these pores is proportional to the amount of carbon-containing decomposition products of the citrate ligands. No narrow pores in preliminary calcined catalysts were observed, whereas a sulphided active component was uniformly distributed in pores with diameters greater than 50 Å, independent of the active-metal concentration. The morphology of the active component particles depends on the conditions of the heat pretreatment. Catalysts that contain particles with an average of 2.1 ± 0.2 layers in a stack and pores with diameters of 60–120 Å are the most active in the hydrotreatment of diesel fuels.

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Title: Textural characteristics of sulphided hydrotreatment catalysts prepared using Co–Mo complex compounds
Authors: K. A. Leonova
O. V. Klimov
E. Yu. Gerasimov
P. P. Dik
V. Yu. Pereyma
S. V. Budukva
A. S. Noskov
Publication date: 01-04-2013
Publisher: Springer US
Published in: Adsorption / Issue 2-4/2013
Print ISSN: 0929-5607
Electronic ISSN: 1572-8757
DOI: https://doi.org/10.1007/s10450-013-9500-0

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