Journal
CHEMICAL ENGINEERING & TECHNOLOGY
Volume 40, Issue 11, Pages 2025-2034Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201700098
Keywords
Catalysts; Fixed bed; Hydrodesulfurization; Reactors; Single-Pellet String
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Small-scale parallel trickle-bed reactors were used to evaluate the performance of a commercial hydrodesulfurization catalyst under industrially relevant conditions. Catalyst extrudates were loaded as a single string in reactor tubes. It is demonstrated that product sulfur levels and densities obtained with the single-pellet-string reactor are close to the results obtained in a bench-scale fixed-bed reactor operated under the same conditions. Moreover, parallel single-pellet-string reactors show high reproducibility. To study the hydrodynamic effects of the catalyst-bed packing, the catalyst-bed length was varied by loading different amounts of catalysts, and crushed catalyst was also loaded.
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