نتایج جستجو برای: hydrodesulfurization

تعداد نتایج: 457  

Journal: :Catalysts 2021

This study describes the phenomena involved during regeneration of an aged industrial hydrodesulfurization catalyst (CoMoP/Al2O3) using a non-thermal plasma at low temperature (200 °C). The changes occurring were studied by characterizing spent, partially, and fully regenerated catalysts XRD, Raman, TEM spectroscopy, coke deposited on surface Laser desorption/ionization time-of-flight mass spec...

Journal: :Catalysts 2023

Residue hydrodesulfurization (RHDS) is a critical process in the petroleum refining industry for removing sulfur compounds from heavy residual oils. However, catalysts used RHDS can easily be deactivated by numerous factors, leading to reduced efficiency and economic benefits. The remanufacturing of spent useful strategy extending lifespan catalysts, reducing waste, improving sustainability. Th...

Journal: :Applied Catalysis A-general 2021

Nanodispersed MoS2 and CoMoS2 materials containing metastable 1T phase have been prepared by solvothermal technique, characterized with several physico-chemical methods evaluated in the electrocatalytic hydrogen evolution (HER), thiophene hydrodesulfurization (HDS) 1-pentene hydrogenation (HYD) reactions. The role of different factors stabilization has studied. Stability polymorph upon heating ...

2017
Franck Dumeignil Koichi Sato Motoyasu Imamura Nobuyuki Matsubayashi Edmond Payen Hiromichi Shimada

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