Catalytic decomposition of hydroxylammonium nitrate-based monopr

Details Catalytic decomposition of hydroxylammonium nitrate-based monopr Catalytic decomposition of hydroxylammonium nitrate-based monopr

1993-10-07

1996-01-23

Mai, Ngoclan

Power plants

Reaction motor

Method of operation

60218, 588202, 588203, 588245, 588246, C06D 500

Patent

active

054857228

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.

REFERENCES:
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patent: 4527389 (1985-07-01), Biddle et al.
patent: 4620415 (1986-11-01), Schmidt
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patent: 4968394 (1990-11-01), Dotson et al.
patent: 5062966 (1991-11-01), Dotson et al.
patent: 5223057 (1993-06-01), Mueller et al.
Article from Ullman's Encyclopedia of Industrial Chemistry (5th Rev. ed. vol. A13, pp. 528, 1989).

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