Recycling Treated Municipal Wastewater for Industrial Water Use

Cost Curves as Basis for Tertiary 4 - GAC*
O&M Cost
Design Flow O&M Cost
(mgd) ($)
0.00005 $9,222
0.0015 $9,222
0.0054 $18,223
0.0095 $25,644
0.025 $47,782
0.054 $47,639
0.084 $61,728
0.11 $74,417
0.23 $123,691
0.35 $171,149
0.41 $177,242
0.77 $199,489
1.4 $237,836
3 $330,703
7.8 $656,235
11 $863,063
38 $2,448,311
120 $6,727,479
270 $14,362,281
350 $18,123,898
750 $36,931,984
Cost, $
$180,000
$160,000
$140,000
$120,000
$100,000
Cost, $
$80,000
$60,000
$40,000
$20,000
$0
$3,000,000
$2,500,000
$2,000,000
$1,500,000
$1,000,000
$500,000
y = -51607x 2 + 428667x + 27507
R 2 = 0.9912
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
Flow, mgd
y = -159.09x 2 + 66654.67x + 145415.32
R 2 = 1.00
Note: Based on GAC reactivation frequency of 90 days (GAC-20 designation in EPA, 2005).
*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.
$0
0 5 10 15 Flow, 20mgd 25 30 35 40
Trace Const Removal Technologies.xls, Summ-GAC20 Page 2 of 2 5/4/2007