Successfully Applying Bioremediation at Upstream ......2015 Presentation Successfully Applying...
Transcript of Successfully Applying Bioremediation at Upstream ......2015 Presentation Successfully Applying...
2015 Presentation
Successfully Applying Bioremediation at Upstream,
Midstream, Downstream and Retail Sites
PRESENTER: Eric Bueltel, P.E.
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
ETEC, LLC - Recirculation-Based Remediation Strategies
� Introduction:� ETEC, LLC
� Bioremediation technologies
� Applications
� Role in cleanup
Roadmap2
� Role in cleanup
� ETEC Approach to Bioremediation:� Delivery
� Mass balance
� Data evaluation & treatment modifications
� Onsite assistance
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
ETEC, LLC - Recirculation-Based Remediation Strategies
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� Upstream Case Study:
� Landfarming for soil treatment
� Midstream Case Study:
� Emergency Response at pipeline rupture
Roadmap Continued
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
Emergency Response at pipeline rupture
� Downstream Case Study:
� Surfactant recirculation for LNAPL recovery
� Retail Case Study:
� Groundwater recirculation at fueling station
� Air sparge enhancement at fueling station
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� ETEC, LLC
� Providing bioremediation services since 1991
� Started landfarming Exxon Valdez shoreline soil
� Been providing in situ treatments since 1997
Introduction
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Been providing in situ treatments since 1997
� Projects throughout North America include:
� Upstream
� Midstream
� Downstream
� Retail
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� For petroleum:
� Dissolved Oxygen In situ Treatment (DO-ITTM)
� Super-OxTM oxygenation equipment
� PetroBacTM biological products & CBNTM Nutrients
� PetroSolvTM biosurfactant
Introduction - Technologies
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� PetroSolvTM biosurfactant
� For chlorinated solvents
� In Situ Delivery (ISDTM) groundwater recirculation equipment
� CarBstrateTM nutrient-amended, soluble substrate
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� For petroleum:
� Landfarming
� Excavation applications
� Surfactant-flushing
� Groundwater recirculation with bioremediation
Introduction - Applications
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Groundwater recirculation with bioremediation
� Air sparge / biosparge enhancement
� Direct injection (via wells or DPT)
� For chlorinated solvents:
� Groundwater recirculation with bioremediation
� Direct Injection (via wells or DPT)
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� ETEC’s Cleanup Role
� To assist environmental consultants with remediation
� Provide in-depth, engineering-based proposals
� Guide consulting partners through the approval process
Help with system design
Introduction – Role in Cleanups
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Help with system design
� Install, startup and train consulting partners
� Assist with onsite injection labor (if requested)
� Provide all parts, pieces & maintenance if necessary
� Evaluate data for help in report writing
� Recommend treatment modifications
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� ETEC’s Cleanup Role is not
� To be remediation consultants
� Do not perform site assessments
� Do not sample
Introduction – Role in Cleanups
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Do not sample
� Do not write work plans
� Do not perform onsite injection (unless upon request)
� Do not carry out routine equipment maintenance
ETEC, LLC - Recirculation-Based Remediation Strategies
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� It’s All About Delivery!
� All applications are designed with contact in mind
� Products are 100% soluble
� No particles
ETEC Approach to Bioremediation
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� No particles
� No viscosity
� Applications have adequate infrastructure
� ETEC has experience with creative infrastructure
� Groundwater recirculation is the best way to achieve site-
wide in situ delivery
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� It’s All About Delivery!
� All applications are designed with contact in mind
� Products are 100% soluble
� No particles
ETEC Approach to Bioremediation
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� No particles
� No viscosity
� Applications have adequate infrastructure
� ETEC has experience with creative infrastructure
� Groundwater recirculation is the best way to achieve site-
wide in situ delivery
ETEC, LLC - Recirculation-Based Remediation Strategies
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� Mass Balance - Petroleum� Biological product applications are contaminant mass based
� A 1,000 lbs. hydrocarbon release
� Using contaminant mass for calculating nutrient needs
ETEC Approach to Bioremediation
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Using contaminant mass for calculating nutrient needs� Breakdown of 1,000 lb. of TPH requires
� 200 lb. nitrogen
� 50 lb. phosphorus
� Using contaminant mass for calculating electron acceptor needs� Breakdown of 1,000 lb. of TPH requires
� 3,000 lb. oxygen
� 5,000 lb. nitrate/sulfate
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� Surfactant-flushing applications are volume based
� Ideally 0.25 to 2 pore volumes
� Extraction volume can be 1.5 to 2 times injectate volume
ETEC Approach to Bioremediation
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Mass Balance – Chlorinated Solvents
� Surfactant-flushing applications are mass based
� Overcome natural electron acceptors
� Electron acceptor, ORP & TOC dependent
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� Data Evaluation
� Evaluate physical, chemical & biological data� Flow rates
� Nutrients
� Electron acceptors
� ORP, pH
ETEC Approach to Bioremediation
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� ORP, pH
� Bacterial counts
� Treatment Modification
� Provide partners with� Product application increases / decreases
� Focus areas
� Additional infrastructure
� Operational modifications
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� Onsite Assistance – As Requested
� Bioremediation is work!
� Provide equipment installation
� Perform periodic equipment maintenance
ETEC Approach to Bioremediation
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Perform periodic equipment maintenance
� Retrofit existing remediation systems
� Onsite biological product injections
� Onsite surfactant-flushing
� Landfarming services
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� Landfarming of Crude Impacted Soil
� Crude oil spill, southern California
� Initial concentration – 2,700 mg/kg
� Volume – 40,000 yards
Upstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Volume – 40,000 yards
� Cleanup goal - < 500 mg/kg
� Silty sand
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Upstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
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� Landfarming Application
� Biological products used
� 2,240 gallons active microbial cultures
� 6,500 lbs. nutrients
Upstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� 6,500 lbs. nutrients
� Activities
� Cell construction
� Soil screening
� Tilling once per week
� Water application
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� Landfarming Results
� After 3 months treatment
� TPH soil concentrations were 200 mg/kg
� Cost with tilling - ~$10/cubic yard
Upstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Cost with tilling - ~$10/cubic yard
� Order of magnitude savings over disposal
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� Excavation Application
� Pipeline Rupture, central Florida
� Diesel fuel release – aerial, surface & subsurface
� Very large excavation
Midstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Very large excavation
� Emergency application – 48-hour mobilization
� Free-product in excavation bottom
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� Landfarming Application
� Biological products used
� 750 gallons active microbial cultures
� 4,000 lbs. nutrients
Midstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� 4,000 lbs. nutrients
� Activities
� Product Mixing
� Application to pit bottom & sidewalls
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Midstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
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� Excavation Application Results
� One Quarter Following Treatment
� All installed wells below regulatory goals
Midstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
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� Surfactant-flushing Application
� Oil spill, eastern New Jersey
� 35 feet x 35 feet
� Up to 3.0 feet free-product oil
Downstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Up to 3.0 feet free-product oil
� Cleanup goal - < 0.01 feet free-product
� Silty sand
� DTW 5-8 feet bgs
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Downstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
ETEC, LLC - Recirculation-Based Remediation Strategies
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� Surfactant-flushing Application
� Surfactant products used
� 8,000 gallons of 5% surfactant solution
Downstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Activities
� Injected 8,000 gallons of surfactant solution
� Extracted 15,000 gallons of groundwater
� Injected 1 pore volume / extracted 2 pore volumes
� 1 week injection/extraction + 1 week extraction
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� Surfactant-flushing Application
� After 3 months treatment
� No LNAPL was detected
� Closure monitoring activities ongoing for NFA status
Downstream Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Closure monitoring activities ongoing for NFA status
ETEC, LLC - Recirculation-Based Remediation Strategies
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� Dissolved Oxygen In situ TreatmentTM (DO-IT)
� Former fueling station, southern Virginia
� 250 feet x 100 feet
� Free-product present
Retail Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Free-product present
� 35,000 ppb benzene in MW-13
� Benzene contaminated groundwater entering creek
� Cleanup goal - < 50 µg/L in creek
� Silty sand with silt/clay confining horizons
� DTW 13-18 feet bgs
1) It’s All About Delivery!!! Why automated equipment systems provide powerful delivery platforms to support site-wide biological degradation of target contaminants. APPLICATION/ENGINEERING
RoadmapSurfactants & Chemical OxidantsOxygenated Water
NutrientsSubstrates (Electron Donors)
REMEDIATION SUCCESS DEPENDS ON:
1. Physical Contact2. Mass Balance
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2) 2) Fundamentals of Enhanced In Situ BioremediationFundamentals of Enhanced In Situ Bioremediation::An overview of the laws that govern biological An overview of the laws that govern biological
degradation of organic compounds. degradation of organic compounds.
SCIENCESCIENCE
3) 3) Case StudiesCase Studies:: Field applications of the Field applications of the technology/approach. technology/approach.
RESULTSRESULTS
DIRECT
CONTACT
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� Super-OxTM Oxygenation Equipment
� Specifications� 10-gpm recirculation rate
� 45-ppm dissolved oxygen process water
Retail Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
� Metering for biological products, nutrients, & surfactants
� Up to 12 customizable injection areas
� Up to 6 integrated groundwater pumps
� Activated carbon pre-treatment controls
� Fully weatherized 8’x10’ building
� 220V 100-amp
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� Super-OxTM Oxygenation Equipment
Retail Case Study
ETEC
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
ETEC, LLC - Recirculation-Based Remediation Strategies
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Bioremediation Treatments
Super-Ox ™ systems provide:
24/7 electron acceptor &
amendment delivery
Optimum
UST
Gas StationGas Station
UST
Optimum contact via pore
volume exchanges
Managed in situ environment for
accelerated microbial
activity
Hydraulic capture and
plume control
Aerobic Bioremediation
BedrockExtraction well
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Retail Case Study
GW BTEX: Free-product gasoline
(MW-33, MW-34)
GW BENZENE: 35,000 ppb
(MW-13)
LITHOLOGY: silty sand with semi-
confining silt/clay
Injection Area #3
silty sand with semi-confining silt/clay
horizons
DTW: 13-18’ bgs
PLUME: 250’ x 100’
GOALS: BTEX/Benzene
reductions
INFRASTRUCTURE: Existing MPE
Network
12 Injection wells 2 Extraction wells
Aerobic Bioremediation
Injection Area #1
Injection Area #2
ETEC, LLC - Recirculation-Based Remediation Strategies
Retail Case Study33
� Groundwater Recirculation – Case Study� System operation
� 24-Month system operation
� Electron acceptor delivery:
� 3 million gallons of water @ 45 ppm DO = 1,200 lbs. of O2 from Super-OxTM
� 1,000 lbs. Initial + 500 lbs. x 23 mo. = 12,500 lbs. CBN™ (7,500 lbs. NO3-SO4)
ETEC
Bioremediation
� TPH Degradation:� Aerobic degradation via DO = 400 lbs.
� Anaerobic degradation via nitrate/sulfate = 1,500 lbs.
� TOTAL: 2,900 lbs. in 24 months
� Costs:� Super-OxTM Installation & Rental: $72,000
� Amendment Costs: $61,000
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
ETEC, LLC - Recirculation-Based Remediation Strategies
Retail Case Study
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20
2260,000
70,000
80,000
90,000
100,000
MW-34
Startup Shutdown Restart
22
24
26
280
10,000
20,000
30,000
40,000
50,000
60,000
Axis
Tit
le
Axis Title
BTEX
DTW
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Retail Case Study
Injection Area #3
Aerobic Bioremediation
Injection Area #1
Injection Area #2
ETEC, LLC - Recirculation-Based Remediation Strategies
Retail Case Study
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16
1825,000
30,000
35,000
40,000
MW-13
Startup Shutdown Restart
20
22
24
260
5,000
10,000
15,000
20,000
Axis
Tit
le
Axis Title
BTEX
DTW
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Retail Case Study
GW BTEX: Free-product gasoline
(MW-33, MW-34)
GW BENZENE: 35,000 ppb
(MW-13)
LITHOLOGY: silty sand with semi-
confining silt/clay
Injection Area #3
silty sand with semi-confining silt/clay
horizons
DTW: 13-18’ bgs
PLUME: 250’ x 100’
GOALS: BTEX/Benzene
reductions
INFRASTRUCTURE: Existing MPE
Network
12 Injection wells 2 Extraction wells
Aerobic Bioremediation
Injection Area #1
Injection Area #2
ETEC, LLC - Recirculation-Based Remediation Strategies
Retail Case Study
� Observations from the Treatment
� MW-34
� 99% BTEX reduction
� MW-13
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� MW-13
� 92% BTEX reduction
� 98% benzene reduction
� Appeased stakeholder with minimal disturbance
� Stream locations were below 50 ppb benzene in 24
months
Aerobic
Bioremediation
E-MAIL: [email protected]
PHONE: 971-222-3616 x104
ETEC, LLC - Recirculation-Based Remediation Strategies
Summary39
Eric Bueltel, P.E.
Project Manager - Colorado
ETEC, LLC
971-222-3616 x104
Aerobic
Bioremediation
971-222-3616 x104
www.etecllc.com/movie
E-MAIL: [email protected]
PHONE: 971-222-3616 x104