Catalyst support system for ammonia oxidation burner

Abstract

The catalyst support system (1) for the ammonia oxidation burner (2) comprises a catalytic gauze for the oxidation of ammonia and a basket (14) connected to a support ring (10) for holding an inert substance and / or a catalyst for removing N2O from the gaseous effluent of this catalytic gauze (9), this basket (14) having a modular structure comprising a plurality of modules, each module comprising a gas-permeable surface (16) and a support frame (15), each module being connected to an adjacent module by a connection configured to allow limited displacement between the modules, and only the outer modules forming the periphery of the basket being connected to the support ring (10).

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