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U.S. Department of Energy
Office of Scientific and Technical Information

Method for improving stability of residual fuel oils

Patent ·
OSTI ID:6338442
A method is claimed for inhibiting or reducing the level of asphaltic sediment formed in residual fuels by adding an alkylaryl sulfonic acid stabilizer to said fuel. The method comprises adding an effective stabilizing amount of said stabilizer to said fuel oil and maintaining said stabilized fuel at a selected high temperature of at least about 190/sup 0/ C. for a time sufficient to inhibit the formation or reduce the level of asphaltic sediment.
Assignee:
Exxon Research and Engineering Co.
Patent Number(s):
US 4441890
OSTI ID:
6338442
Country of Publication:
United States
Language:
English