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عمران::
center-flow screen
Center-flow screens eliminate debris carry-over.
The center-flow screen design concept passes the water through the center and exiting on both sides of the screen conveyor.
Center-flow screens fitted with fine mesh screens have demonstrated relatively high sur- vival rates for impinged organisms when coupled with appropriate return conveyance systems.
Although center-flow screens may increase impingement survival, it would need to be coupled with an effective fish return.
The installation of center-flow screens would not be expected to reduce entrainment losses, and depending upon the species entrained could theoretically reduce survival rates.
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