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Wastewater treatment

Evac CSWE Series

Compact and cost-efficient, the Evac CSWE biological wastewater treatment system is ideal for treating black and gray water streams on board with the advantage of meeting and exceeding the latest environmental standards.

  • A wastewater treatment system for merchant vessels
  • Easy maintenance and low operating cost
  • Custom designed to overcome space limitations

• Certified and Type approved by RINA according to IMO MEPC 227(64)
• Membrane Bioreactor technology
• Compact design and low weight
• Fully operational flexibility
• High efficiency
• Cost-effective
• Chemical free – apart from cleaning
• Environmental friendly
• Low and easy maintenance requirements

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ModelHydraulic Load
(M3/Day)
Organic Load
(Kg BOD5/Day)
Evac CSWE 302,101,05
Evac CSWE 402,801,40
Evac CSWE 604,202,10
Evac CSWE 80 5,602,80
Evac CSWE 1208,404,20
Evac CSWE 16011,205,60
Evac CSWE 20014,007,00
The units are available in coated black steel or stainless steel.

Evac CSWE is a 100% biological system for the efficient treatment of black wastewater from toilets and urinals (also gray wastewater from washbasins, sinks, and showers).

Membrane technology eliminates the need for chemicals, apart from cleaning. The plant has been designed to make operation and maintenance as easy and cost effective as possible. Its compact footprint and low weight makes it ideal for vessels with less than 70 people crew onboard and where space is limited.

Operating principle

Evac CSWE operating principle
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