VPS Bunker Alert 33-2022 High Sodium fuels in Gothenburg
05.12.2022
VPS has tested several fuel oil samples representing VLSFO deliveries in Gothenburg, with high sodium content ranging up to 110 ppm. The deliveries were mainly made by two suppliers from 13 to 22nd November 2022.
The sodium is likely to originate from the refining process it will be difficult to reduce sufficiently by onboard treatment. Sodium at the levels tested will contribute to corrosion on the exhaust valves and increased ash deposits in the exhaust gas system and turbo chargers.
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