MULTI-PHASE CONTACT APPARATUS Russian patent published in 1995 - IPC

FIELD: chemical industry. SUBSTANCE: apparatus ha s a vertical cylindric column provided with a circulation tube extending outside. There is a gas distributor in the tube located over the layer of sediment which settles as gas ceases to be fed. There is also a connecting rod with punched horizontal discs located in the column for movement. The upper disc is mounted under the solid phase inlet branch pipe. The upper end of the circulation tube is located immediately above the upper disc. The solution outlet pipe is placed above the circulation tube and the lover cut of the solid phase inlet branch pipe. In the middle of the column, there is an inlet branch pipe for liquid. EFFECT: higher efficiency. 1 cl, 1 dwg