Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1998-03-16
1999-07-27
Burn, Brian M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
423352, C01C 100, C07C21100
Patent
active
059292822
ABSTRACT:
An apparatus and method for converting hydrazine, substituted hydrazines and/or other nitrogen-containing explosive materials, particularly unsymmetric dimethyl hydrazine (UDMH), to ammonia or ammonia and the corresponding amines by hydrogenation are disclosed. The hydrazines are diluted with a suitable carrier fluid, preferably water, mixed with hydrogen, then hydrogenated in a catalyst reactor, followed by separation of the commercially valuable ammonia and amines. Separated carrier fluid and hydrogen gas may be recycled in to the process to conserve energy and reduce waste. Recycled carrier fluid may be used to preheat the diluted hydrazine prior to hydrogenation. Ammonia may be dissociated and the resultant hydrogen recycled into the hydrogenation process. The apparatus is sized for disassembly and transport for shipping to hydrazine disposal sites.
REFERENCES:
patent: 4122671 (1978-10-01), Armstrong et al.
patent: 4661179 (1987-04-01), Hunter et al.
patent: 5437853 (1995-08-01), Johnson et al.
Andren Martin
Bershitsky Alexander M.
DeFeo Brent S.
Haran Subramaniam E.
Johnson Russell W.
Allied-Signal Inc.
Buff Ernest D.
Burn Brian M.
Restaino Leslie G.
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