Importance

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Abstract

The invention relates to an apparatus for the treatment of substances in a stream of gas, especially for the absorption and/or adsorption or for the filtration of gases, having a first chamber, having a second chamber, and having a plurality of cells situated axially one over the other between the first and second chambers, these cells being separated from one another and from the first and second chamber by walls and having in one of the walls at least one upper inlet opening in the upper part and in another wall at least one lower outlet opening in the lower part for a medium moving downwardly through the cells and consisting of solid particles, fresh medium being fed to each cell through the upper inlet opening and the medium being carried out of each cell through the lower outlet opening by a sweeping means moving transversely relative to this cell or perpendicularly to the axial direction, and wherein a gas forming the gas stream enters the cells at least partially at the outlet apertures and flows through these cells in a direction opposite that of the flow of the medium. The specialty of the invention consists in the fact that, with the exception of the bottommost cell, the lower portion of each cell, defined by its walls, reaches into the upper part of the cell thereunder and there communicates with the latter through an aperture.

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First Claim