Patent ID: 6809122
Filing Date: 2004-10-26
Classification: B01F,B01J,C10G

Abstract:
A method of reducing the maximum concentration of water in a multi-phase Fisher-Tropsch reactor containing an expanded slurry bed, comprising:selecting a water-rich region in the expanded slurry bed, the water-rich slurry region being located between Â½ H and H and between Â½ R and R, where H is the height of the expanded slurry bed and R is the radius of the reactor; and changing the flow patterns of the slurry within the expanded slurry bed so as to cause mixing between the water-rich slurry region and slurry regions having lower water concentrations; wherein the flow pattern is changed by a method selected from the group consisting of introducing a mixing enhancing fluid into the water-rich slurry region, providing at least one passive mixing device in the water-rich slurry region, and providing at least one power-driven mixing device in the water-rich slurry region.