Reduced Cost and Improved Performance by Passive Screening A chemical plant replaced their existing intake structure –offshore intakes with 1/2" diameter screen openings -- with Elgin type screens. The old intake structures had required significant maintenance and created periodic outages. In addition, there was considerable debris in the intake water that had to be removed with an in line strainer system. The in line strainer systems were expensive to operate and created significant maintenance burdens. The new intake systems included Elgin type screens with openings that excluded the debris that was otherwise gathered and processed through the in line strainer system. The retrofit screens have eliminated the periodic outages and the need for screen maintenance. In addition, the us

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