Successfully Applying Bioremediation at Upstream ......2015 Presentation Successfully Applying Bioremediation at Upstream, Midstream, Downstream and Retail Sites PRESENTER: Eric Bueltel,

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


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� Upstream Case Study:

� Landfarming for soil treatment

� Midstream Case Study:

� Emergency Response at pipeline rupture

Roadmap Continued

ETEC

Bioremediation


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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


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� 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


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� 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


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� Air sparge / biosparge enhancement

� Direct injection (via wells or DPT)

� For chlorinated solvents:


� 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


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� 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


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� Do not sample

� Do not write work plans

� Do not perform onsite injection (unless upon request)

� Do not carry out routine equipment maintenance


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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


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� 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

Bioremediation


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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� Mass Balance - Petroleum� Biological product applications are contaminant mass based

� A 1,000 lbs. hydrocarbon release

� Using contaminant mass for calculating nutrient needs


ETEC

Bioremediation


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� 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

Bioremediation


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� 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

Bioremediation


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� 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

Bioremediation


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� 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


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� Volume – 40,000 yards

� Cleanup goal - < 500 mg/kg

� Silty sand


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Upstream Case Study

ETEC

Bioremediation


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� Landfarming Application

� Biological products used

� 2,240 gallons active microbial cultures

� 6,500 lbs. nutrients

Upstream Case Study

ETEC

Bioremediation


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� 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


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� 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


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� 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



ETEC

Bioremediation


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� Activities

� Product Mixing

� Application to pit bottom & sidewalls


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ETEC

Bioremediation


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� Excavation Application Results

� One Quarter Following Treatment

� All installed wells below regulatory goals


ETEC

Bioremediation


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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


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� 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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ETEC

Bioremediation


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� Surfactant products used

� 8,000 gallons of 5% surfactant solution


ETEC

Bioremediation


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� 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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� After 3 months treatment

� No LNAPL was detected

� Closure monitoring activities ongoing for NFA status


ETEC

Bioremediation


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� Closure monitoring activities ongoing for NFA status


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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


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� 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


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� 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


PHONE: 971-222-3616 x104


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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


32

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


Injection Area #1

Injection Area #2


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


PHONE: 971-222-3616 x104


Retail Case Study

18

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


35

Retail Case Study

Injection Area #3


Injection Area #1

Injection Area #2


Retail Case Study

14

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


37

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


Injection Area #1

Injection Area #2


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


PHONE: 971-222-3616 x104


Summary39

Eric Bueltel, P.E.

Project Manager - Colorado

ETEC, LLC

971-222-3616 x104

Aerobic

Bioremediation

971-222-3616 x104

[email protected]

www.etecllc.com/movie


PHONE: 971-222-3616 x104

Documents

Successfully Applying Bioremediation at Upstream ......2015 Presentation Successfully Applying Bioremediation at Upstream, Midstream, Downstream and Retail Sites PRESENTER: Eric Bueltel,