Method for modifying a hot wall ammonia reactor with vessel having a partial opening.

Abstract

Method for modifying a hot wall ammonia reactor con vessel (2) having partial opening, comprising: assembly directly inside the vessel (2) of a catalytic cartridge (7) with modular elements, said modular elements being of a size compatible with introduction into the vessel through a pre-existing partial opening (6) o f the vessel, and each comprising at least one panel (11); the panels (11) of said modular elements forming a substantially cylindrical outer wall (7a) of said cartridge (7), and an annular flux space (8) between said outer wall of the cartridge and an inner wall of the vessel; said panels (11) being provided with a respective heat insulation layer (13) before introduction into the vessel (2).