Hydrocarbon purification system regeneration

Details Hydrocarbon purification system regeneration Hydrocarbon purification system regeneration

C - Chemistry, Metallurgy

07

C

C07C 7/12 (2006.01) C07C 7/13 (2006.01) C07C 9/16 (2006.01) C10G 25/12 (2006.01)

Patent

CA 2353743

A system and process for removing water and heteroatom- containing compounds from hydrocarbons and for regenerating the adsorbent used in the system and process is disclosed and includes contacting the hydrocarbon stream with a water adsorbent and a heteroatom-containing compound adsorbent. The regeneration includes passing an isoparaffin over the water-adsorbent followed by passing the isoparaffin over the heteroatom- containing compound adsorbent; and, optionally; cooling the resulting effluent; separating such into a hydrocarbon phase and a water phase in a settler; removing a portion of the hydrocarbon phase for contact with and mixing with water; returning the hydrocarbon/water mixture to the settler; removing a portion of the hydrocarbon phase from the settler to form a recycle isoparaffin stream for use as at least a portion of the stripping stream; and removal of at least a portion of the water phase from the settler to form a waste water stream containing water and heteroatom-containing compound.

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