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Hydrazine (N 2 H 4), one of the most used liquid monopropellant is to be replaced by "greener" propellants e. g. based on ammonium dinitramide (ADN, NH 4 + N(NO 2) 2-), such as LMP-103S and FLP-106 within the framework of the Horizon 2020 Rheform project. While hydrazine can rely on a catalytic technology based on conventional materials such as γ-Al 2 O 3 (due to the adiabatic decomposition temperature of about 900-1 000 °C), LMP-103S and FLP-106 require catalyst support materials able to withstand higher temperatures (about 1 600 °C and 1 900 °C, respectively) and exhibit a sufficient porosity and resistance to sintering. In this paper, among the various candidates, catalysts prepared from monolith supports are investigated regarding their ability to promote both LMP-103S and FLP-106 decomposition.

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