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Surface-catalyzed air oxidation reactions of hydrazines: Tubular reactor studiesThe surface-catalyzed air oxidation reactions of hydrazine, monomethylhydrazine, unsymmetrical dimethylhydrazine, symmetrical dimethylhydrazine, trimethylhydrazine and tetramethylhydrazine were investigated in a metal-powder packed turbular flow reactor at 55 plus or minus 3 C. Hydrazine was completely reacted on all surfaces studied. The major products of monomethylhydrazine (MMH) oxidation were methanol, methane and methyldiazene. The di-, tri- and tetra-methyl hydrazines were essentially unreactive under these conditions. The relative catalytic reactivities toward MMH are: Fe greater than Al2O3 greater than Ti greater than Zn greater than 316 SS greater than Cr greater than Ni greater than Al greater than 304L SS. A kinetic scheme and mechanism involving adsorption, oxidative dehydrogenation and reductive elimination reactions on a metal oxide surface are proposed.
Document ID
19900001851
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kilduff, Jan E.
(White Sands Test Facility Las Cruces, NM., United States)
Davis, Dennis D.
(White Sands Test Facility Las Cruces, NM., United States)
Koontz, Steven L.
(NASA White Sands Test Facility NM., United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1988
Publication Information
Publication: Hazardous Materials Technical Center, The Third Conference on the Environmental Chemistry of Hydrazine Fuels
Subject Category
Propellants And Fuels
Accession Number
90N11167
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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