Post on 14-Dec-2015
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
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
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
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
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
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
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
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
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
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
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
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
Amoco Station, Plume Map
Key Monitoring Wells: MW-1 (MTBE Plume) MW-8 (Benzene Plume)
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
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
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
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
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
Circle C Site, Plume Map
Key Monitoring Wells: MW-3 (Source Area) MW-11 (Down-gradient)
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
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
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
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
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
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
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
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
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
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
Dual Compressors for Redundancy and Improved Run-Time Reliability
Well-Head Assembly Improved From Rotometersto Electronically Controlled Air-Operated Ball Valves
System Improvements
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
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)
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