Catalytic dewaxing process using binder-free catalyst

Details Catalytic dewaxing process using binder-free catalyst Catalytic dewaxing process using binder-free catalyst

C - Chemistry, Metallurgy

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C10G 73/02 (2006.01) C10G 45/64 (2006.01)

Patent

CA 1302935

F-4319 CATALYTIC DEWAXING PROCESS USING BINDER-FREE CATALYST ABSTRACT A catalytic dewaxing process in which a waxy hydrocarbon feed is dewaxed over binder-free zeolite dewaxing catalyst. The absence of binder reduces catalyst aging especially when operating at controlled space velocities in the range of 0.25 to 1.5 LHSV. The process is especially useful with lube oil stocks where aging problems are particularly severe, typically highly waxy stocks or stocks containing high levels of nitrogen. Preferred catalysts are the intermediate pore size zeolites such as ZSM-5, ZSM-11 and ZSM-23.

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