NEW CATALYST, IMPROVED PRESULFIDING RESULT IN 4 + YEAR HYDROTREATER RUN

Filippo Gorra Praoil srl Milan Giorgio Scribano Praoil srl Gela, Italy Preben Christensen, Karin Vibeke Andersen, Osvaldo Gaetano Corsaro Haldor Topsoe A/S Lyngby, Denmark Prompted by decreasing catalyst activity and unit P run lengths, an Italian refiner made several modifications to its coker gas oil desulfurization unit equipment, catalyst, and operations. Results of the project include improved catalyst activity at start-of-run, increased unit capacity at end-of-run, and improved plant

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