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ballast water treatment / for ships
Aquarius® EC BWMS

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ballast water treatment / for ships ballast water treatment / for ships - Aquarius® EC BWMS


  • Use:

    ballast water

  • Application domain:

    for ships


Wärtsilä AQUARIUS® EC Ballast Water Management System (BWMS) provides robust technology for the treatment of ballast water using a simple two stage process involving filtration and electro-chlorination (EC), across the full range of ship operating and environmental conditions.

The system is easy to integrate and maintain, and is type approved according to the IMO Convention and has an Alternative Management System (AMS) acceptance certificate from the USCG.
Wärtsilä works in close cooperation with its customers, our BWMS partnership program covers all stages from fleet evaluation to lifecycle support. Wärtsilä’s tailored turnkey solutions help minimize your environmental footprint, improve operational efficiency and enhance reputation.


Wärtsilä Aquarius® EC is a ballast water management system providing a safe, flexible and economical process for the treatment of ballast water. Ballast water treatment with a Wärtsilä Aquarius® EC system is achieved through a simple and efficient two stage process. Upon uptake the sea water is first passed through a back washing filter (1st Stage) and then the filtered sea water passes through a static mixer, where the disinfectant generated from the side stream electrolysis unit (2nd stage) is injected to ensure a maximum level of 10ppm in the treated ballast water.

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