Recycling Treated Municipal Wastewater for Industrial Water Use

Recycling Treated Municipal Wastewater for Industrial Water Use Recycling Treated Municipal Wastewater for Industrial Water Use

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Cost of Service, $/1000 gallon 5.00 4.50 4.00 3.50 3.00 2.50 2.00 1.50 1.00 0.50 0.00 Transmission, miles 1 2 3 4 5 10 $2/1000 gallons - Typical Potable Water Supply Cost 5 10 15 20 25 30 Reclaimed Water Flow/Demand, mgd Figure D-4b. Reclaimed Water System Cost of Service for 5-30 mgd Capacity Urban Area - Tertiary 4 with GAC

Cost Curves as Basis for Tertiary 4 - GAC* Capital Cost Design Flow Capital Cost (mgd) ($) 0.0001 $36,117 0.007 $36,117 0.022 $53,091 0.037 $70,491 0.091 $137,932 0.18 $241,793 0.27 $340,528 0.36 $435,155 0.68 $739,387 1 $1,228,620 1.2 $1,551,122 2 $2,203,728 3.5 $3,275,153 7 $5,411,638 17 $10,411,502 22 $12,611,714 76 $31,503,622 210 $67,096,117 430 $114,813,572 520 $132,437,789 1,500.00 $324,345,925 Cost, $ Cost, $ $1,800,000 $1,600,000 $1,400,000 $1,200,000 $1,000,000 $800,000 $600,000 $400,000 $200,000 y = 334592x 2 + 826982x + 66833 R 2 = 0.9978 Curve fit equations CCI Index 1.16 Avg Flow Range 0.037-0.35 mgd >0.35-30 mgd Design Flow Range 0.037-1.2 mgd >1.2-60 mgd Design/Avg Flow Ratio 2 Note: Based on GAC reactivation frequency of 90 days (GAC-20 designation in EPA, 2005). $0 $35,000,000 $30,000,000 $25,000,000 $20,000,000 $15,000,000 $10,000,000 $5,000,000 $0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 Flow, mgd y = -2423.81x 2 + 583824.08x + 1123641.87 R 2 = 1.00 0 10 20 30 40 Flow, mgd 50 60 70 80 *Source: Environmental Protection Agency (EPA), 2005. Technologies and Costs Document for the Final Long Term 2 Enhanced Surface Water Treatment Rule and Final Stage 2 Disinfectants and Disinfection Byproducts Rule. December. EPA 815-R-05-013. Trace Const Removal Technologies.xls, Summ-GAC20 Page 1 of 2 5/4/2007

Cost of Service, $/1000 gallon<br />

5.00<br />

4.50<br />

4.00<br />

3.50<br />

3.00<br />

2.50<br />

2.00<br />

1.50<br />

1.00<br />

0.50<br />

0.00<br />

Transmission, miles<br />

1<br />

2<br />

3<br />

4<br />

5<br />

10<br />

$2/1000 gallons - Typical Potable <strong>Water</strong> Supply Cost<br />

5 10 15 20 25 30<br />

Reclaimed <strong>Water</strong> Flow/Demand, mgd<br />

Figure D-4b. Reclaimed <strong>Water</strong> System Cost of Service <strong>for</strong> 5-30 mgd Capacity<br />

Urban Area - Tertiary 4 with GAC

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