gus thompson vp/business development, egeo services, inc. & richard b. smith, p.e. principal...
TRANSCRIPT
![Page 1: Gus Thompson VP/Business Development, eGeo Services, Inc. & Richard B. Smith, P.E. Principal Engineer, eGeo Services, Inc. Prepared for: Air and Waste](https://reader034.vdocuments.us/reader034/viewer/2022042821/56649c925503460f9494dede/html5/thumbnails/1.jpg)
Gus ThompsonGus ThompsonVP/Business Development, eGeo Services, Inc.VP/Business Development, eGeo Services, Inc.
&&Richard B. Smith, P.E.Richard B. Smith, P.E.
Principal Engineer, eGeo Services, Inc.Principal Engineer, eGeo Services, Inc.
Prepared for:Prepared for:Air and Waste Management Association Air and Waste Management Association
(A&WMA)(A&WMA)Southern Section ConferenceSouthern Section Conference
August 8, 2007August 8, 2007
Successes of Innovative PHOSter II™ Vapor-Phase Remediation
Technology under State Cleanup
Programs
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Development & Commercialization of PHOSter II™ Technology
PHOSter II™ Vapor-Phase Process & Capabilities
Remediation Site Case Histories/Lessons Learned
System Improvements & Expansion of Technologies
Presentation Overview
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PHOSter was developed by Department of Energy (DOE) Scientists and Researchers
M Seepage Basin, Savannah River Site, Aiken, SC
Largest DOE pilot demonstration to date
Introduced nutrients to conventional bio-sparging & bio-venting processes
PHOSter Development
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eGeo was awarded the contract by DOE to redesign PHOSter system in 1996—under the name PHOSter II™
PHOSter II™ technology is viable for remediation of contaminated groundwater
Systems housed in a Small (6-Point) or Large (12-Point) Trailer configuration
PHOSter II™ Process
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Vapor-phase nutrient injection to stimulate indigenous microorganisms
Gaseous Injection of: Air (used as Carrier
Gas) Phosphorous (TEP) Nitrogen (optional) Propane (if needed)
PHOSter II™ Process
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Biological Air Sparge – 0.5 to 2.0 cfm per injection well
Triethyl-phosphate (TEP) injection encourages bacterial cell division
Pulsed injection process overcomes oxygen and phosphate site limitations
PHOSter II™ Process
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Programmable Logic Controller (PLC) allows remote checking of telemetry and System Status (via modem)
eGeo Systems remain on-site for the duration of the remediation cleanup effort
PHOSter II™ Process
Process Flow Diagram
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PHOSter II™ Large Trailer
Two Compressors operating 12 Injection Points; rate of 1 to 2cfm per injector
Average Monthly Power Use: 1,056 kWh
Total Power Use (36-month effort): 38,016 kWh
Electrical Power Cost: $84.50/month; $3,042.00/total
Power Costs Summary
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PHOSter II™ Small Trailer
One Compressor operating 4 Injection Points; rate of 0.5 to 1cfm per injector
Average Monthly Power Use: 719 kWh
Total Power Use (36-month effort): 25,884 kWh
Electrical Power Cost: $56.80/month; $2,044.80/total
Power Costs Summary
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PHOSter II™ Technology has been employed at 24 remediation cleanup sites in various soil matrices and geographic regions in the following locations:
Georgia (2 Sites) Alabama (3 Sites) South Carolina (10 Sites) Florida (7 Sites) Pennsylvania (2 Sites)
eGeo Case Histories
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Client: Tom Joiner & Associates, Inc.Tuscaloosa, Alabama Office
PHOSter II™ Small Trailer was mobilized to the remediation cleanup site in September 2003.
Amoco Station, Detroit, AL
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In January 2006, all key monitoring wells reached Alabama target limits for Benzene and MTBE.
In October 2006, site was entered into Alabama Post-Remediation Monitoring Period.
In January 2007, ADEM regulators awarded site “No Further Action” (NFA) designation
Amoco Station, Detroit, AL
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Amoco Station, Plume Map
Key Monitoring Wells: MW-1 (MTBE Plume) MW-8 (Benzene Plume)
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MT
BE
, p
pb
714
829
138
410
19 <5 <5 <50
200
400
600
800
1,000
Aug-03 Dec-03 Mar-04 Sep-04 Feb-05 Sep-05 Mar-06 Jun-06
Date
MTBE Target 102 ppb
Amoco Station Site, MW-1
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698
400
42
439
50
125
25 25
0
200
400
600
800
1,000
Aug-03 Dec-03 Mar-04 Sep-04 Feb-05 Sep-05 Mar-06 Jun-06
Date
MTBE Target 102 ppb
MT
BE
, p
pb
Amoco Station Site, MW-8
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559
268
129
459
152
416
31
131
0
150
300
450
600
750
Aug-03 Dec-03 Mar-04 Sep-04 Feb-05 Sep-05 Mar-06 Jun-06
Date
Benzene Target 260 ppb
Ben
zen
e,
ppb
Amoco Station Site, MW-8
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Client: Tom Joiner & Associates, Inc.Tuscaloosa, Alabama Office
PHOSter ™ Small Trailer was retrofitted and transported to the cleanup site on April 2006.
Circle C Site, Tuscaloosa, AL
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PHOSter II™ client training/system startup event was May 3, 2006.
eGeo estimates 24-months to reach MTBE and Benzene risk-based corrective action limits.
Circle C Site, Tuscaloosa, AL
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Circle C Site, Plume Map
Key Monitoring Wells: MW-3 (Source Area) MW-11 (Down-gradient)
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41 ppb
278 ppb305 ppb
1,460 ppb
376 ppb
0
300
600
900
1,200
1,500
1,800
Apr-06 Jul-06 Aug-06 Oct-06 Mar-07
Date
Benzene Target 518 ppb
Ben
zen
e,
ppb
Circle C Site, MW-3
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468 ppb
584 ppb
338 ppb
638 ppb
364 ppb
0
150
300
450
600
750
Apr-06 Jul-06 Oct-06 Mar-07 Jul-07
Date
Benzene Target 102 ppb
Ben
zen
e,
ppb
Circle C Site, MW-11
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Client: Enviro-Logical Solutions, Tampa, FL
PHOSter II™ Small Trailer was mobilized to the remediation cleanup site in January 2001.
For the first time, eGeo utilized existing air sparging injection wells (see IP-1 through IP-6)
Former Tenneco Site, Starke, FL
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The correction action remediation cleanup site reached Florida target levels for Benzene and Naphthalene in August 2002.
After the FL DEP post-remediation monitoring period (4 Quarters), the site received “No Further Action” letter in 2004.
Former Tenneco Site, Starke, FL
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Former Tenneco Site, MW-6
96
139
7 4 91 1 1
0
30
60
90
120
150
Jan-01 Jun-01 Jan-02 Jun-02 Jan-03 Jun-03 Jan-04 Jun-04
Date
Benzene Target 1 ppb
Ben
zen
e,
ppb
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Former Tenneco Site, MW-6
33
160
111 9 5
94
0
40
80
120
160
Jan-01 Jun-01 Jan-02 Jun-02 Jan-03 Jun-03 Jan-04 Jun-04
Date
Naphthalene Target 20 ppb
Naph
thale
ne,
pp
b
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Client: MACTEC Tallahassee, FL
Office PHOSter II™ Small
Trailer was mobilized to the remediation cleanup site in June 2004.
PHOSter II™ was employed on 4 HDPE injection points for the remediation effort.
Snack & Gas #7, Jacksonville, FL
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October 2006 Sampling event indicated groundwater concentrations were reduced by 91%.
eGeo has achieved 50%, 75% and 90% contamination target milestones for this Pay-For-Performance site.
Snack & Gas #7, Jacksonville, FL
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1,400
430
2,000
290
1,300
93 75 570
300
600
900
1,200
1,500
1,800
2,100
2,400
Aug-04 Nov-04 Feb-05 Jun-05 Nov-05 Feb-06 Jul-06 Oct-06
Date
Xylenes Target 20 ppb
Xyl
en
es,
pp
b
Snack & Gas #7 Site, MW-1
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740
1,200
1,000 1,000
680760
9940
0
200
400
600
800
1,000
1,200
1,400
Aug-04 Nov-04 Feb-05 Jun-05 Nov-05 Feb-06 Jul-06 Oct-06
Date
Toluene Target 40 ppb
Tolu
en
e,
ppb
Snack & Gas #7 Site, MW-24
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Dual Compressors for Redundancy and Improved Run-Time Reliability
Well-Head Assembly Improved From Rotometersto Electronically Controlled Air-Operated Ball Valves
System Improvements
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More Conservative Approach
to Injection Well Spacing(Tighter Radius of Influence)
Expanding technologies on more contaminated or higherconcentration cleanup sites (ex. iSOC® Technology)
System Improvements
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Expands Technologies
1 10 100 1,000 10,000 100,000 1,000,000
PHOSter II™
PHOSter II™/iSOC®
ChemOx
ProductConcentrations, ug/L
Prime Effective Operating Range of Combined Technologies (based on BTEX Concentrations,
ug/L)
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Gus ThompsonGus ThompsonVP/Business Development, eGeo Services, Inc.VP/Business Development, eGeo Services, Inc.
&&Richard B. Smith, P.E.Richard B. Smith, P.E.
Principal Engineer, eGeo Services, Inc.Principal Engineer, eGeo Services, Inc.
Prepared for:Prepared for:Air and Waste Management Association Air and Waste Management Association
(A&WMA)(A&WMA)Southern Section 2007 ConferenceSouthern Section 2007 Conference
August 8, 2007August 8, 2007
Successes of Innovative PHOSter II™ Vapor-Phase Remediation
Technology under State Cleanup
Programs