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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 />

Capital Costs<br />

Design Capital Cost<br />

(mgd) ($)<br />

0.0001 $51,894<br />

0.007 $51,894<br />

0.022 $69,241<br />

0.037 $86,588<br />

0.091 $156,079<br />

0.18 $222,829<br />

0.27 $315,937<br />

0.36 $357,087<br />

0.68 $663,375<br />

1 $912,423<br />

1.2 $1,080,532<br />

2 $2,018,579<br />

3.5 $3,404,129<br />

7 $6,745,258<br />

17 $15,456,118<br />

22 $19,862,964<br />

76 $57,558,238<br />

210 $129,659,099<br />

430 $265,356,059<br />

520 $318,914,577<br />

1,500.00 $902,107,327<br />

Cost, $<br />

$70,000,000<br />

$60,000,000<br />

$50,000,000<br />

$40,000,000<br />

$30,000,000<br />

$20,000,000<br />

$10,000,000<br />

$0<br />

y = -2643.6x 2 + 957682x + 42226<br />

R 2 = 1<br />

0 10 20 30 40<br />

Flow, mgd<br />

50 60 70 80<br />

Curve fit equations<br />

CCI Index Multiplier 1.16<br />

Avg Flow Range 0-30 mgd<br />

Design Flow Range 0-60mgd<br />

Design/Avg Flow Ratio 2<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 1 of 2 5/3/2007 2:36 PM

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