Hydrodewaxing method

Details Hydrodewaxing method Hydrodewaxing method

C - Chemistry, Metallurgy

10

G

196/53

C10G 45/12 (2006.01) C10G 69/02 (2006.01)

Patent

CA 2040764

-13- HYDRODEWAXING METHOD ABSTRACT Hydrocarbon feeds are dewaxed (14) and hydrotreated (24) in a two-stage dewaxing-hydrotreating reactor system with interstage separation of olefinic and naphtha and light olefins. Separation of the naphtha and olefins is carried out by stripping (78) the effluent from the dewaxing reactor (14) with a stripping medium such as make-up hydrogen or vapor from the hydrotreater effluent. Hydrogen recycle for the dewaxer (14) and the hydrotreater (24) is taken from the stripper/separator (78) after removal of the olefinic naphtha and removal of contaminants.

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