Deposition of Co onto Supported MoS2 by Water-Assisted Spreading: Increased Activity Promotion in Hydrodesulphurization of 1-Benzothiophene
Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, Rozvojová 135, Prague 6, 16502 Prague, Czech Republic
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Catalysts 2019, 9(12), 987; https://doi.org/10.3390/catal9120987
Received: 24 October 2019 / Revised: 19 November 2019 / Accepted: 21 November 2019 / Published: 25 November 2019
(This article belongs to the Special Issue Catalytic Hydroprocesses and Oil Refining)
Hydrodesulphurization (HDS) catalysts were newly prepared by water-assisted spreading of CoCO3.Co(OH)2 of low solubility in water onto pre-sulphided Mo species supported on several Al2O3 of surface area SBET 77-262 m2g−1, ZrO2 of SBET 108 m2g−1, and TiO2 of SBET 140 m2g−1. The spreading was followed by scanning electron microscopy (SEM-EDX). X-ray photoelectron spectroscopy (XPS) and temperature programmed reduction (H2-TPR) characterized partial re-oxidation of sulphidic Mo catalysts before Co sorption. The prepared catalysts were characterized in sulphidic form by H2-TPR. Activity of catalysts was determined in the HDS reaction of 1-benzothiophene. The spreading of Co onto sulphidic catalysts led to systematic increase of HDS activity by 16–86% in comparison to the spreading of Co onto oxide samples.
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Keywords:
HDS; CoMo catalyst; water-assisted spreading; promotion; sulphidic Mo
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MDPI and ACS Style
Kaluža, L.; Koštejn, M.; Gulková, D. Deposition of Co onto Supported MoS2 by Water-Assisted Spreading: Increased Activity Promotion in Hydrodesulphurization of 1-Benzothiophene. Catalysts 2019, 9, 987.
AMA Style
Kaluža L, Koštejn M, Gulková D. Deposition of Co onto Supported MoS2 by Water-Assisted Spreading: Increased Activity Promotion in Hydrodesulphurization of 1-Benzothiophene. Catalysts. 2019; 9(12):987.
Chicago/Turabian StyleKaluža, Luděk; Koštejn, Martin; Gulková, Daniela. 2019. "Deposition of Co onto Supported MoS2 by Water-Assisted Spreading: Increased Activity Promotion in Hydrodesulphurization of 1-Benzothiophene" Catalysts 9, no. 12: 987.
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