| 摘要 |
<p>An apparatus for treating gaseous pollutants in an air stream such as a regenerative thermal oxidizer or a selective catalytic reduction system, including a reaction chamber (62) wherein the reaction media bed (64) within the chamber comprises a plurality of nonprismatic ceramic blocks (66) each having end faces, side faces and a chamfered face extending at an angle relative to the side faces of the blocks. The ceramic blocks (66) are stacked in end-to-end and side-to-side relation within the reaction chamber (62) and the ceramic blocks (66) each include spaced parallel passages extending through the end and chamfered faces. The chamfered faces of adjacent blocks form voids between the blocks promoting turbulent gas flow through the voids (82) and equalizing the pressure within the reaction chamber. The ceramic blocks may be symmetrical or nonsymmetrical. The chamfered faces are located vertically opposite an end face.</p> |
