| 摘要 |
An installation for treating materials, comprising a tightly closed zone having a gastight inlet- and outlet, a shaking gutter with perforated bottom plate covered by a flexible plate with apertures, the whole being accommodated in the closed zone. The flexible material is able to move from the bottom plate, so that a fluid can pass from below the bottom through the bottom and the flexible plate. A fluid inlet opens below the bottom.
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