Invention Grant
US3702743A Contact process and apparatus 失效
联系流程和设备

Contact process and apparatus
Abstract:
THIS SPECIFICATION DISCLOSES A PROCESS AND APPARATUS FOR PROVIDING INTIMATE COUNTERCURRENT CONTACT BETWEEN SOLID PARTICLES AND A FLUID WHEREIN SUCH PROCESS MAY BE OPERATED AS A CONTINUOUS PROCESS BY UTILIZING TWO COLUMNS WITH THE SOLID PARTICLES BEING MOVED DOWNWARDLY IN ONE COLUMN AND UPWARDLY IN THE OTHER COLUMN AND ALSO INCLUDES APPARATUS FOR TRANSFERRING SOLID PARTICLES BETWEEN COLUMNS AND APPARATUS FOR PROVIDING INTIMATE CONTACT BETWEEN THE SOLID PARTICLES AND THE FLUIDS IN EACH COLUMN.
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