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WASTE, OIL & FRESH WATER MANAGEMENTWärtsilä HamworthySewage Treatment PlantsThe Wärtsilä Hamworthy Super Trident sewage treatment plantis the cost-effective and safe answer to disposing of waste at sea,maintaining the quality of the world’s oceans.Our STC-13 series of sewage treatment plants are certified to meetIMO MEPC 227(64) guidelines, which will be applicable to new shipswhose keels will be laid on or after 1 January 2016.Optimised for the treatment of black and grey wastewater flows,and suitable for conventional gravity and vacuum fed collectionsystems, all plants are controlled automatically. This allows unattendedoperation, with reduced maintenance requirements and lower longtermoperating costs.The systems are compact and modular in design, suitable forbetween-deck installations, and are adaptable to customer new buildspecifications.Large ST-C sewagetreatment plantSmall STC-13 sewagetreatment plant184