| 摘要 |
PCT No. PCT/CH91/00109 Sec. 371 Date Aug. 28, 1992 Sec. 102(e) Date Aug. 28, 1992 PCT Filed May 7, 1991 PCT Pub. No. WO91/16970 PCT Pub. Date Nov. 14, 1991.The mixer installation contains duct components (21), which are disposed in the tower (2) in layers or beds (22, 23 24). The duct components (21) of a layer (22, 23, 24) and/or successive layers (22, 23 24) in the direction of flow of the flow material are angularly inclined with respect to one another and comprise parallel ducts (20) open to the tower clearance (20). The surfaces of the components (21) and of the ducts (210) of these components (21) may be coated with catalyzers. The plant for the removal of nitrogen from flue gas contains such components (21) provided with a surface coating having a catalytic effect.
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