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Platinum-rhodium alloy gauze serves as a catalyst in the oxidation of the ammonia from the Haber Process by atmospheric oxygen to produce nitric oxide and subsequently nitric acid, which is used for producing nitrogen fertilizers, ammonium nitrate, adipic acid, and toluene diisocyanate (precursor for polyurethane). It has high degree of chemical inertness and stability at very high temperatures.
Abbasfard, H.; Ghanbari, M.; Ghasemi, A.; Ghahramand, G.; Jokar, S. M.; Rahimpour, M. R. CFD modelling of flow mal-distribution in an industrial ammonia oxidation reactor: A case study. Appl. Therm. Eng. 2014, 67, (1-2), 223-229.
Warner, M.; Haynes, B. S. Formation of N2 and N2O in industrial combustion of ammonia over platinum. Proceed. Combust. Institute 2015, 35 (2), 2215-2222.