Study of the Role of Lanthanum Containing Titania in Hydrogenolysis of Thiophene and Gas Oil

Hanafi, Samia A.; El-Syed, H. A.; Elmelawy, Mamdouh S.; Sultan, E.-S. A.

doi:10.1080/15567030701752784

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“…However, there was no observable effect of lanthanum on the Co dispersion on the surface of the catalyst, leaving catalytic active sites unaffected. Similar results have been observed for Ni/γalumina and Ni/Alfollowing the addition of lanthanum, the catalytic efficiency and selectivity resulted in significant improvements in toluene reforming and syngas conversions [23][24][25]. [26].…”

Section: Introductionsupporting

confidence: 80%

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Effect of Lanthanum Doping on the reactivity of unsupported CoMoS2 catalysts

Valdés

González

Flores

et al. 2021

Applied Catalysis A: General

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Highlights:  A triphasic La-Co-Mo sulfide HDS catalyst was successfully synthesized using solvothermal synthesis  LaCoMoS2 showed enhanced activity over CoMoS2 catalysts.  The LaCoMoS2 activity as improved with increasing La doping  LaCoMoS2 showed less carbon than CoMoS2 after once catalytic cycle.  The La doping of the CMoS2 catalyst led to improvement in the direct desulfurization pathway.

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Section: Introductionsupporting

confidence: 80%

“…Catalyst coking is an important issue that can minimize the efficiency and lifetime of catalysts[10]. It is believed that lanthanum doping contributed to the decrease of carbon on the surface of the La0.25Co0.75MoS2 catalyst, as has been previously reported with lanthanum promoted catalysts[22][23][24][25]42].…”

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confidence: 80%