Bridging the gaps between ship pollution prevention and marine environmental management

Bridging the gaps between ship pollution prevention and marine environmental management On scrubbers’ impact on the marine environment Ida-Maja Hassellöv ida-maja@chalmers.se Prof Maritime Environmental Science, Chalmers University of Technology Chair ICES WGSHIP Maritime Environmental Science scrubber team: Assoc prof. [...] Erik Ytreberg, PhD student Anna Lunde Hermansson, project assistants Jesper Hassellöv and Jessica Näslund Webinar Scrubbers: A False Solution to the IMO’s Sulphur Cap Tuesday 6 December 2022 Acknowledgement • ICES Viewpoint background document: Impact from exhaust gas cleaning systems (scrubbers) on the marine environment (Ad hoc) •Evaluation, control and Mitigation of the EnviRonmental impacts of. [...] 2022-11-28 Comparison of contaminant load in the Baltic Sea 178 ships with scrubbers • Substantial contribution from ships (both metals and PAHs) • Antifouling paints and open loop scrubber water contribute the most Ytreberg et al. [...] 2022-11-28 Result 2022-11-28 2022-12-06 Chalmers University of Technology 13 Conclusions • Use of scrubbers implies continued use of fossil heavy fuel oil • Scrubbers account for a large share of contaminant, metals and organic compounds, input to the marine environment • Scrubber water is highly toxic to marine organisms, also at very low concentration (0.001%) • Scrubbers represent a technology. [...] ICES VIEWPOINT: Scrubber discharge water from ships – risks to the marine environment and recommendations to reduce impacts.