Patent ID: 7022221

Claim:
An apparatus for the stripping of hydrocarbons from particulate material, said apparatus comprising: a stripping vessel; at least one port defined by the stripping vessel for receiving particles that contain hydrocarbons and for withdrawing stripping fluid and stripped hydrocarbons from the stripping vessel; a plurality of stripping baffles spaced apart vertically over at least a portion of the stripping vessel, one of said plurality of baffles including at least three downcomers radially extending from a vertical center of said stripping vessel; a plurality of openings distributed over at least a portion of the surface of said one of said stripping baffles; at least one fluid inlet for passing a stripping fluid to an underside of said one of said stripping baffles for stripping hydrocarbons from the particulate material; and at least one particle outlet for recovering stripped particles from the stripping baffles.