Abstract: A burner system (100) for the combustion of a hydrocarbon feedstock with an oxidant, comprising at least one burner (1) and a cooling circuit (2), where in: the burner system (100) comprises a fuel side (3, 15) and an oxidant side (4, 14); the burner (1) comprises a cooling chamber (5) connected to said cooling circuit(2); said cooling circuit (2) comprises a reservoir tank(8) for said cooling fluid and a circulation pump(16); said system (100) comprises pressure equalizing line (15b) arranged to establish a fluid communication between the inside of said reservoir tank (8) and at least one of said fuel side and oxidant side.

Abstract: A burner system (100) for the combustion of a hydrocarbon feedstock with an oxidant, comprising at least one burner (1) and a cooling circuit (2), where in: the burner system(100) comprises a fuel side (3, 15) and an oxidant side (4, 14); the burner (1) comprises a cooling chamber (5) connected to said cooling circuit(2); said cooling circuit (2) comprises a reservoir tank(8) for said cooling fluid and a circulation pump(16); said system (100) comprises pressure equalizing line (15b) arranged to establish a fluid communication between the inside of said reservoir tank (8) and at least one of said fuel side and oxidant side.

Abstract: A process and a plant for producing ammonia, where an ASU (3) delivers an oxygen stream and a nitrogen stream; the oxygen stream (9) is fed to the secondary reformer of a front-end reforming section (1); the nitrogen stream (10) is used to wash a purge gas or tail gas taken from the synthesis loop (2), preferably in a cryogenic section; a methane-free and inert-free gas stream is recovered and recycled to the synthesis loop (2) or at the suction of the main syngas compressor, to recover the hydrogen contained therein. A corresponding method for increasing the capacity of an ammonia plant, by providing the ASU and feeding the oxygen stream to the secondary reformer and the nitrogen stream to a suitable purge gas recovery unit.

Abstract: A process and a plant for producing ammonia, where an ASU (3) delivers an oxygen stream and a nitrogen stream; the oxygen stream (9) is fed to the secondary reformer of a front-end reforming section (1); the nitrogen stream (10) is used to wash a purge gas or tail gas taken from the synthesis loop (2), preferably in a cryogenic section; a methane-free and inert-free gas stream is recovered and recycled to the synthesis loop (2) or at the suction of the main syngas compressor, to recover the hydrogen contained therein. A corresponding method for increasing the capacity of an ammonia plant, by providing the ASU and feeding the oxygen stream to the secondary reformer and the nitrogen stream to a suitable purge gas recovery unit.