SYMPOSIA PAPER Published: 01 January 1959
STP39346S

Incompatibility of Distillate Fuels

Source

The current practice of blending straight-run and cracked fuels to supply the expanding market for burner fuels has shown that some blends of fuels are incompatible, which results in troublesome gum deposits. However, few laboratory data were available to show the types of fuel that were incompatible and the degree of incompatibility. A program conducted by the Bureau of Mines, in cooperation with the Western Petroleum Refiners Assn., included several hundred blends of distillate fuels for study of several variables involved in storing blended fuels. Storage of these blends and determination of the amounts of gum formed showed that: 1. Blends may be compatible, incompatible, or supercompatible, 2. The blend of maximum incompatibility depends upon the components of the blend, 3. Blends of straight-run and catalytically cracked fuels show the highest frequency of incompatibility, 4. Solubility is a minor factor in the incompatibility of fuels, and 5. The storage stability of a blend cannot be predicted from the storage stability of its components.

Author Information

Ward, CC
Petroleum Experiment Station, Bureau of Mines, Bartlesville, Okla.
Schwartz, FG
Petroleum Experiment Station, Bureau of Mines, Bartlesville, Okla.
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Details
Developed by Committee: D02
Pages: 41–46
DOI: 10.1520/STP39346S
ISBN-EB: 978-0-8031-5660-9
ISBN-13: 978-0-8031-5659-3