The Catalytic Decomposition of the Fire Extinguishant Bromotrifluoromethand, CBrF3.

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Abstract:

A study was made of the catalytic decomposition of bromotrifluoromethane, CBrF3, in air using a bench-scale reactor which simulates the COH2 catalytic burner of nuclear submarines. There was no indication of thermal decomposition of CBrF3 in presence of stainless steel at temperatures up 700F. In contact with Hopcalite catalyst under conditions of the shipboard COH2 burner, there was no detectable decomposition of CBrF3 at 600F and 100 ppm influent concentration. The extent of decomposition of CBrF3 appeared to be 3 or less under the most severe conditions studied. The presence of CBrF3 in the air did not interfere with the oxidation of carbon monoxide by the catalytic burner. Author

Author(s):
Musick, James K.
Author Organization(s):
NAVAL RESEARCH LAB WASHINGTON D C
Descriptive Note:
Progress rept.,
Pagination:
0011

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
NRL-MR-2189
Task Number(s):
13213
Project Number(s):
SF35-433-002
 Subject Terms
Joint Capability Areas:
JCA_3.2_Engagement; JCA_3_Force Application
Communities of Interest:
No COI(s) Identified
Descriptor(s):
(*CONFINED ENVIRONMENTS, *HALOGENATED HYDROCARBONS), (*DECOMPOSITION, HALOGENATED HYDROCARBONS), (*FIRE EXTINGUISHERS, HALOGENATED HYDROCARBONS), PYROLYSIS, SUBMARINES, BROMINE COMPOUNDS, FLUORINE COMPOUNDS, CATALYSTS, THERMAL STABILITY, TOXICITY
Field(s)/Group(s):
Organic Chemistry, Life Support Systems
Keyword(s):
*METHANE BROMOTRIFLUORO, ATMOSPHERIC CONTAMINATION CONTROL, *FIRE EXTINGUISHING AGENTS, HOPCALITE CATALYSTS, *SUBMARINE ATMOSPHERES
Report Date:
1970 Nov 01