Ship&Offshore | Issue GreenTech/2021
Upgrading wastewater treatment for operation in special areas
Cruise ships Stricter requirements for onboard sewage treatment plants on passenger ships now apply to the Baltic Sea, which has been declared a special area by the International Maritime Organization (IMO) in accordance with MARPOL Annex IV [1]. Arndt Kaiser, of the Development and Assessment Institute in Waste Water Technology at RWTH Aachen University, explores the possibility of upgrading onboard sewage treatment plants for nutrient elimination in cruise ship operations.