| abstract |
The element frame for holding the catalyst-containing monolith in the exhaust gas flow from the combustion source consists of two opposing walls forming a rectangle or square, the interior formed by the walls, the inlet end, the outlet end Including at least one locking element, at least one mat, and at least one monolith including an inlet, an outlet, four surfaces and at least one catalyst effective to reduce the concentration of one or more gases in the exhaust gas. The at least one mat and the at least one monolith are arranged inside the element frame such that there is at least one mat between the monolith and each adjacent wall, each locking element being at the entrance of the element frame It extends over the end or outlet end and is connected to two opposing faces of the element frame. [Selection] Figure 5 |