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 Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 4
5.
Test Results
a.
Optimum Sparge Pressure:
b.
Optimum Vacuum:
c.
Radius of Influence:
Greater than 20 - feet in cohesive, clayey
soils
d.
Contamination Removal Rate:
e.
Other:
No residual soil is produced during installation, avoiding
disposal (especially for RCRA wastes)
B.
Bench Scale Test
1.
Goals:
2.
Other:
IV.
TECHNOLOGY DESIGN - AIR SPARGING WITH SVE
Typical System Components:
Air Sparge Wells (Section A)
Air Sparge Pump System (Section B)
Vacuum Extraction Wells (Section C)
Vacuum Extraction System (Section D)
Offgas System (Section E)
Other:
A.
Air Sparge Wells
1.
Design Goals:
Overall objective: Recover toluene in the aqueous & vapor phase both
physically and biologically
2.
Design Parameters
a.
Pipe Type:
b.
Pipe Diameter:
c.
Depth:
d.
Screen Interval:
e.
Screen Type:
f.
Number and Spacing:
up to 6 wells
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