SEDL / STP / STP809-EB / STP29507S

Corrosion of Fuel Handling System Materials by Coal-Derived Liquid Fuels

Doering, HvonE
Manager, engineer, and specialist, General Electric Co., Schenectady, N.Y.

Haskell, RW
Manager, engineer, and specialist, General Electric Co., Schenectady, N.Y.

Michelfelder, T
Manager, engineer, and specialist, General Electric Co., Schenectady, N.Y.

Pages: 6    Published: Jan 1983

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Abstract

During a gas turbine test program requiring large volumes of coal-derived liquid fuel, creosote oil, used as a substitute liquid coal synthetic fuel, caused metal corrosion in some of the fuel handling and storage components.

A subsequent laboratory test program with creosote oil and several coal liquid synthetic fuels showed that the lower boiling grades were corrosive to copper and somewhat corrosive to brass and zinc. These metals often are used in fuel pumps, flow dividers, and valves. The corrosion rate was higher with dynamic flow conditions than with static conditions. Iron was only slightly attacked by creosote oil in these tests.