The Marine Sewage Treatment Plant belongs to the key device for prevention of pollution form ships in seas and oceans according to the revised Annex IV of the International Convention of the Prevention of Pollution (MARPOL 73/78). This device is according to the MEPC.227(64) resolution enacted on 5th, October, 2012. Which only used to the “black water” from toilet fecal sewage. In the treating process, to add any dilution water, gray water (from washing room), and sea water are forbidden. This device is also not suit for the passenger vessles which on the Baltic Sea. This device is regardless of the total nitrogen and total phosphorus performance index requirements. Main Technical Parameters The technical parameter is optional, we can accommodate your requirements, please don’t hesitate to contact us!