Transcript Geo-Cleanse International, Inc. - CLU-IN

Case Studies of Fenton’s Reagent
ISCO at MGP and Chlorinated
Solvent Sites
Dan Bryant and Jim Wilson
Geo-Cleanse International, Inc.
In-Situ Treatment of Groundwater Contaminated with NonAqueous Phase Liquids: Fundamentals and Case Studies
December 10-12, 2002
1
Full Scale Chemical Oxidation
of MGP Hydrocarbons In Soil
and Groundwater Using
Fenton’s Reagent
Jim Lingle
Elizabeth Hellman
Mike Noel
Jim Wilson
Geo-Cleanse
International, Inc.
2
Burlington MGP Conceptual Cross Section
Fill
Sand and Gravel
Bedrock
~5 ft
~13-25 ft
Shallow Intermediate Deep
Injector
Injector
Injector Geomembrane
3
4
5
Laying Geomembrane
6
Injector Array
7
Chemical Injector Head
8
9
10
BTEXM & PAH Removal
from Groundwater
(through 2001 construction season)

Sandy soil along road
Silty soil mid-site
Soil near river

Overall site



97% removal
80% removal
93% removal

80% removal


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New Jersey MGP – Bench Test Analytical Results
1,400
Total PAH
TPH
Total MAH
16,000
1,200
1,000
12,000
800
8,000
600
400
4,000
MAH (mg/kg)
PAH and TPH (mg/kg)
20,000
200
0
0
0
20
40
60
80
Actual H2O2:MAH+PAH Mass Ratio
12
New Jersey MGP – Bench Test TPH Oxidant Demand
1,000
H2O2 Mass (g)
800
0.9226x
Exponential: y = 2E-05e
2
r = 0.891
600
400
200
0
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15
16
17
18
TPH Mass Destroyed (g)
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Geo-Cleanse®
International, Inc.
13
In-Situ Chemical Oxidation at
Naval Submarine Base
Kings Bay, Georgia
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NSB Kings Bay, GA
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Kings Bay Site Map
Phase III
Area
Scale : 40 ft
Monitor Well
Recovery Well
Phase I (32’)
Phase I (42’)
Phase II (35’)
Phase II (40’)
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Concentration (ug/L)
Kings Bay Phase I-III Results
10,000
8,000
Phase I
Phase II
Phase III
PCE
Total COCs
6,000
4,000
2,000
0
Sep-98 Nov-98 Jan-99 Mar-99 May-99 Jul-99
Sample Date
17
Kings Bay Phase I-III Results – Expanded Scale
PCE Concentration (ug/L)
200
150
100
50
0
Nov-98
Feb-99
May-99
Aug-99
Sample Date
18
Kings Bay - Phase III Treatment Results
Total CACs (ug/L)
140,000
I-60
I-61
I-62
I-64
I-65
120,000
100,000
80,000
60,000
40,000
20,000
0
1/1/2000
2/20/2000
4/10/2000
5/30/2000
Sample Date
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Kings Bay Site Map
Vegetable Oil
Polish
Scale : 40 ft
Monitor Well
Recovery Well
Phase I (32’)
Phase I (42’)
Phase II (35’)
Phase II (40’)
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