AIChE Journal · 1976 · 39 citations · 0 references
Natural SciencesChemical EngineeringEnvironmental EngineeringCatalysisInorganic ChemistryReaction EngineeringCatalyst CharacterizationCatalyst StabilityCatalytic Reaction EngineeringIndustrial CatalysisIndustrial Catalytic ProcessesSurface CatalysisCatalyst Aging AssessmentCoal CombustionHydrodesulfurizationLiquefactionLiquefaction AssessmentPore BlockingPorous Catalyst PelletsPorous Catalysts
Abstract Aged CoO/MoO 3 /SiO 2 /Al 2 O 3 catalyst pellets, used in a pilot plant for the single‐stage liquefaction and hydrodesulfurization of coal, were analyzed with an electron microprobe and scanning electron microscope. The results demonstrate the occurrence of catalyst aging processes which could lead to bed plugging and pore mouth blocking.