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Performance Variation in Hopcalite Catalysts
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Abstract
US Navy submarines have used Hopcalite catalyst (MnO2, CuO) for over 30 years to oxidize carbon monoxide, hydrogen, and many trace organic species. During that time, the material has been manufactured by the same company, and the performance of fresh Hopcalite has never shown significant variation. Recently, a new lot of Hopcalite was tested and found to be 300% more active toward one specific refrigerant than measured in previous lots. In life support applications, unexpectedly high activity can generate hazardous products that endanger crew and equipment. This paper will describe and interpret the tests performed by the Naval Research Laboratory and Naval Surface Warfare Center to investigate different Hopcalite samples.
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Citation
Pasternack, L., Rice, J., and McCarrick, A., "Performance Variation in Hopcalite Catalysts," SAE Technical Paper 972394, 1997, https://doi.org/10.4271/972394.Also In
References
- Pasternack L. Rice J. K. Wyatt J. R. Douglass C. H. “Project Report on the Effects of Alternative Refrigerants on Submarine Atmosphere Control: Laboratory Scale Burner Studies,” Naval Research Laboratory Washington, DC 31 March 1994
- Rice J. K. Pasternack L. Wyatt J. R. Douglass C. H. “Project Report on the Effects of Alternative Refrigerants on Submarine Atmosphere Control: Laboratory Scale Burner Studies - II” Naval Research Laboratory Washington, DC 10 August 1995
- “Decomposition of HFC-236fa in the Mk V CO/H 2 Burner,” NAVSSES Final Report PM-9515 Ser 9212/142 13 Jan 97
- Cocke D. L. Vepřek S. Solid State Communications 57 745 748 1986
- Vepřek S. Cocke D. L. Kehl S. Oswald H. R. J. Catal. l00 250 1986
- Yang B. L. Chan S. F. Chang W. S. Chen Y. Z. J. Catal. 130 52061 1991
- Puckhaber L. S. Cheung H. Cocke D. L. Clearfield A. Solid State Ionics 32 33 206 213 1989
- Puckhaber L. S. “Bulk, Surface and Activity Characteristics of Pure and Doped Thermally-Modified Hopcalites,” 1994
- Rice J. K. Sulaiman W.