When Marsden Point Oil Refinery in New Zealand needed to reline 3 steel crude oil storage tanks, Figure 1, the engineers began a search for a lining with the necessary properties to provide a long-term solution. Figure 2 is a schematic of a typical crude oil storage tank at the facility. The existing liners had failed in many areas, allowing severe corrosion of the carbon steel tanker, Figure 3. Magnetic Flux Leakage (MFL) scans of the steel showed a significant loss of steel thickness due to corrosion, in some areas greater than 25%. The internal linings that had been previously installed ranged in age from 12 to 15 years old and had failed over the entire floor area and 1 meter (~3.281 feet) up the sidewall. One of the 3 tanks was heated as it stored heavy crude.

Subject
Coatings, Materials, Permeability, Permeance, Novolacs, Epoxy coatings, Fibers, Steel, Crude, Linings, Corrosion protection, Epoxies, Oil
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2009
Association for Materials Protection and Performance (AMPP)
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