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Filtration

An Important Stage in Ballast Water Management

Removing zooplankton (particularly hard shelled organisms) by chemical means can require very high doses or long exposure times. High concentrations of biocide can encourage corrosion. To eliminate this risk, the SeaCURE™ system employs a filtration system.

Filtration at 40 microns ensures larger organisms and sediment are effectively removed during ballasting.

A fully automated self-cleaning filter provides reliable non-stop operation at high sediment loads reducing associated tank cleaning cost and allowing for the effective treatment of smaller organisms at lower biocide levels.

Surfaces in contact with seawater are often prone to biofouling. The accumulation of marine organisms on filter screens may lead to complete filter clogging and the associated system downtime. To eliminate the risk of biological growth on the filter screens, SeaCURE™ system employs a proprietary filter protection system where a continuous low dose of Sodium Hypochlorite is injected at the filter inlet when the BWMS is in use.

 SeaCURE™ BWMS filter advantages

  • Tested at Great Lakes Initiative (GSI) site on Lake Superior as part of the SeaCURE™ system
  • Automatic self-cleaning to prevent screen clogging
  • Low backwash flow- reduces ballasting cycle
  • Reduced tank cleaning costs
  • Proprietary filter biofouling protection system
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Lars.Nupnau@evoqua.com Filtration