Influence of noble metals (Rh, Pd, Pt) on Co-saponite catalysts for HDS and HC of heavy oil

Pt-promoted and Hβ zeolite-supported Ni2P catalysts for hydroisomerisation of n-heptane

“…However, Ni 2 P/Hβ has the disadvantage of deactivation due to coke depositing. It has been reported [20] that trace amounts of noble metal reduce coke deposition due to the effect of hydrogen spillover on supported catalysts. In this study, the Ni 2 P/Hβ catalyst is modified by a slight Pt, resulting in higher catalytic activity and stability with less coke deposition, demonstrating a better metal-acid balance for 0.1%Pt30%Ni 2 P/Hβ.…”

“…Most probably, in hydrocarbon isomerisation, coke is also easily generated on Hβ-supported Ni 2 P catalyst due to the imbalance between the metal and acid sites. Hossain [20] used a trace amount of noble metal to promote Co-saponite catalysts that decreased coke deposition, and the noble metal-promoted catalysts exhibited higher HDS and hydrocracking activities compared to unpromoted Co-saponite. Therefore, in this work, we comparatively evaluate the Ni 2 P/Hβ and a trace amount of noble metal Pt-promoted Ni 2 P/Hβ catalysts in n-heptane isomerisation.…”