Kraft General Foods, Inc.

T Anthony Royal

Charles T Moorman

Joseph L Sabadics

An apparatus for a supercritical fluid-solid bed process such as for decaffeinating green coffee beans including an elongated cylindrical vessel having a top and bottom. The solids accumulate to form a fluid-solids bed on the bottom of the vessel which includes a central bottom opening, a valve for periodically allowing flow of the solids through the bottom opening and a frustoconical bottom wall. A flow promoting insert having a lower conical wall is provided circumjacent to but spaced from the frustoconical bottom wall. The lower conical wall is provided with a rougher surface than the adjacent frustoconical bottom wall to promote uniform flow of solids. The fluid initially flows through the solids counter-current to the solid flow and is introduced to the vessell through means located above the flow promoting insert.

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San Luis, Obispo, CA, United States of America

T Anthony Royal