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Controlled bypass flow and ozone proportion method and system

  • US 7,402,253 B2
  • Filed: 09/15/2005
  • Issued: 07/22/2008
  • Est. Priority Date: 04/17/2002
  • Status: Active Grant
First Claim
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1. A ballast-water treatment system comprising:

  • a vessel including at least one ballast tank and at least one conduit conveying water to or from an intake/outlet to the ballast tank;

    a regulator to divert a portion of the water from the conduit;

    an injector to provide an ozone injection rate into the portion of water; and

    a controller operatively connected to the regulator and the injector to regulate the diverted portion to provide a minimum diverted portion flow rate according to flow in the conduit and proportion of ozone in the injected gas.

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