Method for assessing distillate fuel stability by oxygen overpre

Details Method for assessing distillate fuel stability by oxygen overpre Method for assessing distillate fuel stability by oxygen overpre

1989-06-27

1992-11-10

Housel, James C.

Chemistry: analytical and immunological testing

Including sample preparation

Liberation or purification of sample or separation of...

436139, 436141, 436156, 436160, 44903, G01N 500, G01N 2554, G01N 3322

Patent

active

051622351

ABSTRACT:
Reactions leading to insoluble sediments formation in distillate fuel are accelerated by forcing oxygen into solution in the fuel at pressures of between about 90 and 110 psig and then stressing the fuel under conditions of accelerated storage at temperatures of between about 40.degree. C. to 100.degree. C. The method then makes use of gravimetric determination of the total insolubles formed. The stability of the fuel over a period of time as well as its comparative stability to other fuels can then be predicted from the amount of insolubles formed. The method can be carried out by using a specialized pressure vessel.

REFERENCES:
Hiley, R. W. et al., "Third international conference on stability and hanng of liquid fuels: Conference proceedings: vol. 2" The Institute of Petroleum, London, UK 1988 p. 456, Report No.: Conf-880905-vol. 2.

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