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 Concurrent Technologies Corporation
Remediation Survey
Ground Water Pump and Treat with an Air Stripper
Page 5
4.
Remediation Hardware:
5.
Capital Cost:
6.
Operating and Maintenance Cost:
C.
Air Stripper
(2- total of 1.2 million gallons water/day treated)
1.
Design Goals: Remove TCE in contaminated water at 1,800 GPM
2.
Design Parameters
a.
Stripper Height: 35 ft; stainless steel
b.
Stripper Diameter:
10 ft
c.
Blower Rate:
5000 CFM/tower
d.
Packing Material: 20 ft of packing
e.
Pretreatment Requirements:
Add Aquimag ( Phosphate-based material
prevents fouling), to control solubility of Fe and Mn. Packing balls and sieve tray.
No filters required.
f.
Removal Efficiency:
approx. 99.9%
g.
Other:
Discharge limit 2.6 ppb (drinking water stnd 5 ppb)
3.
Design Tools:
Air stripper vendor (used computer model)
4.
Remediation Hardware:
Hydro Group
5.
Capital Cost:
(built January 1990)
6.
Operating and Maintenance Cost:
$300/month labor
Air Filters: $5,000/yr.
Aquimag: $40,000/yr.
Electricity: $6500/month
D.
Carbon Treatment
1.
Design Goals
a.
Contaminant Types:
b.
Contaminant Discharge Limits:
2.
Design Parameters
a.
GAC Type:
b.
GAC Volume:
c.
Flow Through Rate:
d.
Contact Time:
e.
Removal Efficiency:
f.
Other:
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