Effects of Corrosion and Anti-Icing Inhibitors on the Water Coalescing Characteristics of Military Standard Filter/Coalescer Elements
ARMY MOBILITY EQUIPMENT RESEARCH AND DEVELOPMENT COMMAND FORT BELVOIR VA
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The report covers a study of the effects of seven corrosion inhibitors and corrosionanti-icing inhibitor combinations on the coalescing characteristics of the DOD-type filter coalescer elements used to decontaminate liquid hydrocarbon fuels. The corrosion inhibitors are specified for use in military jet fuels. The report concludes that The corrosion and corrosion anti-icing combination inhibitors did not produce adverse effects on the ability of military standard filtercoalescer elements to remove 1-percent water from JP-5 fuel that had been treated with fullers earth. The free-water content of the fuel passed through the filtercoalester elements during the 1-percent water injection tests ranged from 0 to 4.4 ppm, which is within specification limits. The WSIMs of the inhibited JP-5 fuel during the tests were between 16 and 88. The low, free-water content did not correlate directly with the relatively low WSIMs. The WSIM cannot be used solely to determine the ability of a military standard filtercoalescer element to decontaminate inhibited JP-5 after it has been treated with fullers earth. However, the WSIM does give an indication of the ability of a filtercoalescer element to decontaminate uninhibited JP-5.