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Recycling Treated Municipal Wastewater for Industrial Water Use

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Cost Curves as Basis <strong>for</strong> Tertiary 3 - Reverse Osmosis Costs*<br />

O&M Costs<br />

Average<br />

Flow<br />

O&M Cost<br />

(mgd) ($)<br />

0.00005 $6,909<br />

0.0015 $6,909<br />

0.0054 $7,937<br />

0.0095 $9,025<br />

0.025 $13,703<br />

0.054 $29,539<br />

0.084 $37,904<br />

0.11 $43,223<br />

0.23 $70,725<br />

0.35 $112,309<br />

0.41 $126,572<br />

0.77 $205,817<br />

1.4 $343,298<br />

3 $710,894<br />

7.8 $1,780,761<br />

11 $2,429,844<br />

38 $7,914,024<br />

120 $23,845,168<br />

270 $52,975,344<br />

350 $68,097,181<br />

750 $143,706,367<br />

Cost, $<br />

$9,000,000<br />

$8,000,000<br />

$7,000,000<br />

$6,000,000<br />

$5,000,000<br />

$4,000,000<br />

$3,000,000<br />

$2,000,000<br />

$1,000,000<br />

$0<br />

y = -511.65x 2 + 227183x + 18714<br />

R 2 = 1<br />

0 5 10 15 20<br />

Flow, mgd<br />

25 30 35 40<br />

*Source: Environmental Protection Agency (EPA), 2003. Technologies and Costs Document <strong>for</strong> the Final Long Term 2<br />

Enhanced Surface <strong>Water</strong> Treatment Rule and Final Stage 2 Disinfectants and Disinfection Byproducts Rule. December.<br />

EPA 815-R-05-013.<br />

Membranes.xls,Summ-RO-Nanofiltration Page 2 of 2 5/3/2007 2:36 PM

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