From January 2020, the allowable sulphur content of marine fuels has decreased from 4.5% to 0.5%. Ships burning high sulphur heavy fuel oils (HFO) can use exhaust gas cleaning systems or “scrubbers” to remove excess sulphur to comply with new exhaust sulphur standard.
Scrubbers turn an air pollution problem into an ocean pollution problem. How does that work?
Download pdf: Infographic: Scrubber waste discharge from ships is toxic to the marine environment
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