Membrane Pre-treatment Using Plate Settlers - Ohiowater.org
Membrane Pre-treatment Using Plate Settlers - Ohiowater.org
Membrane Pre-treatment Using Plate Settlers - Ohiowater.org
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Determine the horizontal projected area needed<br />
1. Choose the specific loading rate. For example a standard<br />
loading rate is 0.3 gpm/ft 2 of effective plate area at 90%<br />
efficiency.<br />
Calculations for 10 MGD (6950 GPM) example:<br />
Divide the flow in gpm by the loading rate:<br />
Flow = 6,950 = 23,166 ft 2 = projected area<br />
the Loading rate .3 GPM/ft 2<br />
Apply the efficiency<br />
SIZING CALCULATION EXAMPLE<br />
2. Divide the projected area by the efficiency – 90%<br />
Projected area = 23,166 ft 2<br />
efficiency .9<br />
= 25,740 ft 2 effective area
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