Catalytic decomposition of hydroxylammonium nitrate-based monopropellants
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United States of America Patent
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Jan 23, 1996
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N/A
app pub date -
Oct 7, 1993
filing date -
Oct 7, 1993
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Abstract
This invention relates to a process for the catalytic decomposition of HAN-based monopropellants using a platinum group or transition metal group catalyst that is preferably a supported metal catalyst and/or wire mesh/expanded metal mesh catalyst for the purpose of generating hot gases. These gases are suitably employed for driving a turbine, vane or piston motor, for rocket propulsion or as a convenient and environmentally acceptable means of disposal of surplus propellants or other waste products containing HAN. The HAN-based propellants have low or substantially no volatility and are safer to use than other monopropellants currently used for rocket propulsion or shaft horsepower auxiliary power units.
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