Alternate refrigerant HFC-134a has been found to be substantially more reactive than CFC-12 in the US Navy submarine catalytic burner. The burner operates at 316°C and uses a manganese dioxide/copper monoxide catalyst, Hopcalite. The reaction of HFC-134a produced hazardous quantities of HF in the outlet air in excess of the established submarine exposure limits. No other hazardous products, such as carbonyl fluoride, were detected.
Refrigerants CFC-12/HFC-134a and Submarine Atmosphere Control
Sae Technical Papers
International Conference On Environmental Systems ; 1993
1993-07-01
Aufsatz (Konferenz)
Englisch
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