Liquid-Phase Reactions in the Catalytic Decomposition of Single-Component Rocket Propellants

The monopropellants hydrazine and hydrogen peroxide are widely used in rocketry. Their use is associated with the development of catalysts that initiate ignition and combustion of propellants upon simple contact with the catalyst without preliminary heating. It is obvious that the initial step of ignition is the liquid-phase decomposition of monopropellant on the catalyst. Otherwise, these propellants could not ignite. Physicochemical and mathematical models of the liquid-phase catalytic decomposition and subsequent ignition of a monopropellant in a granular catalyst layer are proposed.