Namely, operators with an open-loop (or hybrid) scrubber installed on their ships would need to be mindful when their ships operate in areas where scrubber discharge is banned.
These ships will need to switch to either closed-loop mode or to compliant fuel before the ship’s arrival at such ports.
Below you may see a map with the countries that prohibit discharge of wash-water from open-loop scrubbers:
In addition, SAFETY4SEA has prepared a comprehensive list with all the countries that have imposed restrictions on scrubbers. You can see the lists in the following links: