Scale-up of dry impregnation processes for porous spherical catalyst particles in a rotating drum: experiments and simulations
Pengfei Xu,
Yangyang Shen,
Bryant Avila
et al.
Abstract:Catalyst impregnation is the first step and one of the most crucial steps for preparing industrial catalysts. The process is typically performed in rotating vessels with a spray-nozzle to distribute the liquid onto porous catalyst supports until the pore volume is reached. The inter-particle variability of the impregnated liquid inside the particles significantly affects the activity and selectivity of the resulting catalyst. Current scale-up practices lead to poor fluid distribution and inhomogeneity in the l… Show more
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