Multiple molecular sieve catalyst for sour service dewaxing

Details Multiple molecular sieve catalyst for sour service dewaxing Multiple molecular sieve catalyst for sour service dewaxing

B - Operations, Transporting

01

J

B01J 29/40 (2006.01) C10G 73/00 (2006.01)

Patent

CA 2710391

Catalysts for dewaxing of hydrocarbon feeds, particularly feeds with elevated sulfur and nitrogen levels, are pro-vided. The dewaxing catalysts include at least two zeolites, including a zeolite with a low silica to alumina ratio. The catalysts may be combined with a low surface binder, or alternatively the catalysts as formulated may have a high ratio of zeolite surface area to external surface area.

L'invention porte sur des catalyseurs pour un déparaffinage de charges d'alimentation d'hydrocarbures, en particulier de charges d'alimentation ayant des teneurs élevées en soufre et en azote. Les catalyseurs de déparaffinage comprennent au moins deux zéolites, comprenant une zéolite ayant un rapport de silice à alumine faible. Les catalyseurs peuvent être combinés avec un liant d'aire de surface faible, ou en variante les catalyseurs tels que formulés peuvent avoir un rapport élevé d'aire de surface de zéolite à aire de surface externe.

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