Effect of pH on Activity of NiMo/Al2O3 Catalysts Prepared with Citric Acid in Simultaneous Hydrodesulfurization and Hydrodenitrogenation Reactions
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Letters"
DOI: 10.1007/s10562-016-1903-6
Abstract: NiMo/alumina catalysts were prepared by impregnation of metal precursors in the presence of citric acid (CA) at different pHs. Catalysts were characterized by nitrogen physisorption, X-ray diffraction, temperature programmed reduction of sulfided catalysts (TPR-S), temperature… read more here.
Keywords: citric acid; hydrodesulfurization; catalysts prepared; effect activity ... See more keywords
Promotional effect of Ga for Ni2P catalyst on hydrodesulfurization of 4,6-DMDBT
Sign Up to like & getrecommendations! Published in 2019 at "Applied Catalysis B: Environmental"
DOI: 10.1016/j.apcatb.2019.01.087
Abstract: Abstract Ni2P catalysts supported on SiO2 and Ga-SiO2 were prepared by incipient wetness impregnation technique, and the effect of the electronic properties of Ni2P on hydrodesulfurization (HDS) performance was studied. X-ray diffraction (XRD), X-ray absorption… read more here.
Keywords: effect; ni2p catalyst; effect ni2p; hydrodesulfurization ... See more keywords
Combined DFT and microkinetic modeling study of SO2 hydrodesulfurization reaction on Ni5P4 catalyst
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.149872
Abstract: Abstract Optimizing catalysts for the S O 2 hydrodesulfurization (HDS) is a crucial step toward conforming with the environmental requirements concerning S O 2 emissions. Nickel phosphides have been reported as efficient catalysts in HDS… read more here.
Keywords: microkinetic modeling; surface; reaction; hds reaction ... See more keywords
A strategy for preparing highly dispersed Ni2P/functionalized CMK-3 catalysts with superior hydrodesulfurization performance
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Communications"
DOI: 10.1016/j.catcom.2017.01.024
Abstract: Abstract A strategy is introduced for producing highly dispersed Ni 2 P/functionalized CMK-3 hydrodesulfurization catalysts via the anchoring effect of high-temperature stable groups activated by ammonia. In the proposed method, HNO 3 acts as an… read more here.
Keywords: highly dispersed; preparing highly; strategy preparing; functionalized cmk ... See more keywords
Influence of active phase structure of CoMo/Al2O3 catalyst on the selectivity of hydrodesulfurization and hydrodearomatization
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DOI: 10.1016/j.cattod.2016.09.029
Abstract: Abstract The relationship between the morphology and the selectivity of the sulfide phase in the hydrodesulfurization (HDS) of 4,6-dimethyldibenzothiophene (4,6-DMDBT) and hydrodearomatization (HDA) reaction of 1-methylnaphthalene (1-MN) was studied. The morphology of the CoMo catalyst… read more here.
Keywords: phase; hda; sulfide phase; hydrodearomatization ... See more keywords
Development of new hydrodesulfurization NiMo catalysts supported on Al2O3-TiSBA-15 hybrid materials
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DOI: 10.1016/j.fuel.2017.01.007
Abstract: Abstract In the present work, a series of NiMo catalysts supported on hybrid materials consisting of mesoporous TiSBA-15 and conventional γ-alumina were prepared. Three hybrid supports were synthesized with 20, 40 and 60 wt.% of TiSBA-15… read more here.
Keywords: development new; tisba; hybrid materials; catalysts supported ... See more keywords
Effect of sulfiding conditions on the hydrodesulfurization performance of the ex-situ presulfided CoMoS/γ-Al2O3 catalysts
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DOI: 10.1016/j.fuel.2018.08.001
Abstract: Abstract The influence of sulfiding conditions in the ex-situ presulfidation process on the morphology and performances of CoMoS/γ-Al2O3 catalysts was studied in details for hydrodesulfurization (HDS) of dibenzothiophene. Surface and bulk characterization using XRD, HRTEM,… read more here.
Keywords: al2o3 catalysts; effect sulfiding; comos al2o3; performance ... See more keywords
Catalytic characteristics of active corner sites in CoMoS nanostructure hydrodesulfurization – A mechanism study based on DFT calculations
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DOI: 10.1016/j.jcat.2016.11.011
Abstract: A non-periodic computational CoMoS model consisting of un-promoted Mo-edge (Mo-E), Co-mixed Mo-edge (Mo-X), Co-edge (Co-E) and corner (Corner) sites was used to examine the structural effect of CoMoS nanocluster on its hydrodesulfurization (HDS) reaction activity.… read more here.
Keywords: characteristics active; catalytic characteristics; sites comos; corner sites ... See more keywords
The effect of organic additives and phosphoric acid on sulfidation and activity of (Co)Mo/Al2O3 hydrodesulfurization catalysts
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2017.04.012
Abstract: Abstract Organic additives and phosphoric acid are often reported to enhance the catalytic activity of MoS 2 -based hydrodesulfurization (HDS) catalysts, although the origin of their effect is not well understood. We did a systematic… read more here.
Keywords: additives phosphoric; organic additives; phosphoric acid; effect ... See more keywords
Efficient hydrodesulfurization catalysts derived from Strandberg PMoNi polyoxometalates
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DOI: 10.1016/j.jcat.2017.11.026
Abstract: Abstract Highly active hydrodesulfurization (HDS) catalysts have been prepared successfully through a molecular approach using well-defined Strandberg P Mo Ni polyoxometalates (POMs) as superior precursors. The hand-picked POMs significantly facilitated not only the formation of… read more here.
Keywords: catalysts derived; strandberg pmoni; efficient hydrodesulfurization; derived strandberg ... See more keywords
Efficient Ni2P /Al2O3 hydrodesulfurization catalysts from surface hybridization of Al2O3 particles with graphite-like carbon
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The Taiwan Institute of Chemical Engineers"
DOI: 10.1016/j.jtice.2021.03.053
Abstract: Abstract Developing more effective catalysts for the hydrodesulfurization (HDS) process has gained more importance in recent decades to produce ultraclean fuel. In the current study, a novel carbon covered alumina (CCA) was prepared as a… read more here.
Keywords: hydrodesulfurization catalysts; efficient ni2p; al2o3 hydrodesulfurization; ni2p al2o3 ... See more keywords