BIO-UV Group Has The Edge On Cruiseship Ballast Water Treatment With Latest Chantiers De L’atlantique Milestone in International Shipping News 08/05/2026 Water treatment specialist BIO-UV Group has confirmed the successful completion of a high-profile programme with its shipbuilding partner Chantiers de l’Atlantique to supply BIO-SEA ballast-water treatment systems to a series of five cruise ships. The fifth vessel in the series, delivered by the Saint-Nazaire shipyard at the end of last year, was fitted out with a BIO-SEA B-Series system designed to treat flow rates of 250m3/h. The milestone project means all Chantiers de l’Atlantique-built vessels in this class now sail with BIO-SEA UV ballast-water treatment systems. BIO-UV Group was selected to supply its B-Series BIO-SEA system due to its proven ability to deliver consistent, chemical-free ballast-water treatment across the full range of flow rates required by the sector. Maxime Dedeurwaerder, Sales Director for BIO-UV Group’s solutions, said the completion of the five-ship programme reflects sustained confidence in UV-based water treatment technology from the cruise sector. “Supplying ballast-water treatment systems to all 5 vessels is a significant milestone for BIO-UV Group and confirms the strength of our long-term partnership with Chantiers de l’Atlantique and this cruise brand. This class sets high expectations for environmental performance, and we are proud that our technology meets those standards consistently across the fleet,” he said. The B-Series BIO-SEA system was selected due to its proven ability to deliver consistent, chemical-free ballast-water treatment BIO-SEA B-Series systems treat ballast water using ultraviolet light and without chemicals or active substances, ensuring ship operators and crews are compliant with IMO D-2 discharge standards while simplifying operation and maintenance. For large passenger vessels, the BIO-UV Group technology also provides predictable running costs and none o