Following successful land-based tests of their PureBallast ballast water treatment system (BWTS), Alfa Laval has a type approval application to the United States Coast Guard (USCG).
The tests were conducted at DHI in Denmark and were performed using the CMFDA/FDA (staining) method.
Anders Lindmark, General Manager, Business Centre PureBallast stated: “Test results have now been submitted and they conclusively demonstrate that PureBallast provides reliable biological disinfection at full flow in all water salinities. The system has also met the rigorous mechanical and electrical testing verification schemes required by the US Coast Guard and IMO.”
In the meantime, Alfa Laval has voiced that they will continue to support the efforts to validate the Most Probable Number (MPN) method, which the company sees as a preferable alternative to the CMFDA/FDA method for UV treatment systems. They say that their decision to proceed with CMFDA/FDA testing was so that they could provide customers discharging in US waters with a type-approved BWTS solution as quickly as possible.
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