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Membrane Pre-treatment Using Plate Settlers - Ohiowater.org

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CONVENTIONAL SETTLING BASIN<br />

• Design parameters are that particles moving at velocity V H , starting at the<br />

water surface and falling at a velocity V S must reach the bottom, depth D,<br />

within the basin length L.<br />

• Influent elevation “d” must be used for calculations<br />

• Through calculations, Overflow Velocity (V O ) or Surface Overflow rate (SOR)<br />

can be determined<br />

L<br />

D<br />

d<br />

v S<br />

v H

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