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Avantech Fukushima Presentation- Science Cafe

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Jim Braun, President and CEO of AVANTech joined us to talk about his company's experience with cleaning the wastewater at the Fukushima Nuclear Site.

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Page 1: Avantech Fukushima Presentation- Science Cafe
Page 2: Avantech Fukushima Presentation- Science Cafe

AVANTech Incorporated

11.79%

19.79%

1.37%17.31%

49.66%

0.07% Government

Industrial

Municipal

Oil & Gas

Power

Remediation

Avantech Team: 63 Employees17 Engineers5 Project Managers3 Marketing and Sales

Avantech Water Treatment: Nuclear Water Treatment Wastewater Treatment Recycling

Avantech Product Line: Water Treatment Services 100+ Standard Products Nuclear Water Specialty Wastewater Specialty

Foundation For Excellence!

Page 3: Avantech Fukushima Presentation- Science Cafe

AVANTech Incorporated

Foundation For Excellence!

Nuclear Quality:ASME NQA-1 Quality ProgramFull time CWI, SN-TC-T1A Inspection

Professional Engineering:ChemicalMechanicalElectrical

Professional Manufacturing: ASME Code StampASME/AWS WeldingUL Panels

Page 4: Avantech Fukushima Presentation- Science Cafe

AVANTech Incorporated

Worldwide Expertise!

DOE Expertise:

International Expertise: Commercial Nuclear Expertise:

Power Generation:

Page 5: Avantech Fukushima Presentation- Science Cafe

Water Treatment Challenges at the

Fukushima-DaiichiNuclear Facility

AVANTech Incorporated

James L. BraunPresident and CEO

[email protected]

November - 2013

Page 6: Avantech Fukushima Presentation- Science Cafe

Incident Fundamentals

Epicenter of TōhokuEarthquake

Fukushima ●

‐ Eurasian Plate‐ North American Plate‐ Pacific Plate‐ Philippine Plate

6

Tectonic Plates of Japan

‐ 1500 Earthquakes Annually‐ 10% of the world’s volcano’s

Page 7: Avantech Fukushima Presentation- Science Cafe

Great East Japan Earthquakeo March 11, 2011o Magnitude 9.0o Power fails in northern Japano Units 1, 2 & 3 shutdown automaticallyo Units 4, 5 & 6 already shutdown (defueled)

7

Page 8: Avantech Fukushima Presentation- Science Cafe

TsunamiFriday, March 11th at 14:46• No significant Rx

damage due to earth-quake

• Diesel generators start(13 generators total)

• Emergency core cooling system initiate

• Plant is stable

Tsunami Hits NPP at 15:41• ≈ 50+’ Fukushima NPP• Floods diesel generators• Station blackout

- Only Battery PowerRemains

Cooling Systems• All cooling systems fail • Steam from decay heat creates high pressure

8

Page 9: Avantech Fukushima Presentation- Science Cafe

TsunamiTsunami

• Wave Entering Turbine Building.

Automobile

9

Page 10: Avantech Fukushima Presentation- Science Cafe

TsunamiTsunami

Flooding of Turbine Building

Automobile

10

Page 11: Avantech Fukushima Presentation- Science Cafe

Accident ConditionsAccident Conditions

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Page 12: Avantech Fukushima Presentation- Science Cafe

Contributing Factor - TopographyContributing Factor - Topography

AvantechEquipment

12Site Excavation Exacerbates the Problem

Page 13: Avantech Fukushima Presentation- Science Cafe

Hydrogen ExplosionsHydrogen Explosions

• Open Steam Relief Valves to Torus• Open Drywell Relief Valve• Zr + 2H20 → 1200°C → ZrO2 + 2H2

Cooling Systems• All cooling systems fail• Steam from decay heat creates high pressure

13

≈ 50 psilimit

FuelPool

Page 14: Avantech Fukushima Presentation- Science Cafe

Hydrogen Explosions

14

Page 15: Avantech Fukushima Presentation- Science Cafe

Devastation from Explosion

Unit 4 Unit 3 Unit 2 Unit 115

Page 16: Avantech Fukushima Presentation- Science Cafe

o Phase 1 - Cesium Removal – SARRY Systemo Phase 2 – Multinuclide Removalo Phase 3 - Strontium Removalo Phase 4 - Groundwater Treatmento Phase 5 - Car Wash

Fundamentals of the Emergency

16

Page 17: Avantech Fukushima Presentation- Science Cafe

Fukushima Liquid Waste OverviewFukushima Liquid Waste Overview

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Water Treatment Continues to Be a Challenge

Page 18: Avantech Fukushima Presentation- Science Cafe

Phase 1 - The Technical Challenge

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Removal of radioisotopes in a Seawater Solution

Deliver it in less than 8 weeks Start-up in less than 12 weeks Ensure its safe! Dose Rates Thermal Operational Safety

Failure means Radioactive Wastewater into the Pacific Ocean

Page 19: Avantech Fukushima Presentation- Science Cafe

Phase 1: The AVANTech SolutionPhase 1: The AVANTech Solution

Crystalline Silicotitanate Polishing Ion Exchange Distribution Coefficient (Kd) > 20,000 Needed to achieve complete activity

removal with a single pass

AxialCesiumLoading

Cs Limited to200,000 Ci(7.5E+15 Bq)

Engineered Zeolite Primary Ion Exchange Distribution Coefficient (Kd) ≈ 2,000 in

seawater Good Axial Cesium Distribution

19

Challenge 1 – Activity Capture Challenge 2 – Shielding

Integral Shielding ≈ 6” Pb Equiv.

Loaded Wt.:≈ 23 mt (50,000 lb)

Safely Managing 200,000 Curies of Radioactive Material

Challenge 3 – Heat Generation

855 °FCenterline

TemperatureProfile

Centerline/ Core Temperature

Passive Cooling Contact Handled Long Term Storage

Page 20: Avantech Fukushima Presentation- Science Cafe

Phase 1 – The AVANTech SolutionPhase 1 – The AVANTech Solution

20

Process Optimizes Media and Decontamination Factor

SARRY Pipe Racks

SIXMs

Flexible Hoses

H2 Vents

Automatic Alignment

DP (kPad)

Throughput (m3)

Rad Loading (TBq)

Trending

Page 21: Avantech Fukushima Presentation- Science Cafe

The Implementation Challenge

21

Rigors of Working at the Fukushima Site

Exclusion Zone - 20 to 30 km Around Fukushima Site

Page 22: Avantech Fukushima Presentation- Science Cafe

Clean/ Regulated/ ContaminatedClean/ Regulated/ Contaminated

J-Village / National Soccer Center

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 22

Page 23: Avantech Fukushima Presentation- Science Cafe

Site MobilizationSite Mobilization

J-Village (Dress Out Area)

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 23

Page 24: Avantech Fukushima Presentation- Science Cafe

Site MobilizationSite Mobilization

J-Village (Dress Out Area)

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 24

Page 25: Avantech Fukushima Presentation- Science Cafe

Site MobilizationSite Mobilization

J-Village (Dress Out Area)

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided.

Dosimetry• Tepco TLD• Toshiba TLD• D.A.D.

25

Page 26: Avantech Fukushima Presentation- Science Cafe

Site MobilizationSite Mobilization

Transportation to Site

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 26

Page 27: Avantech Fukushima Presentation- Science Cafe

Site MobilizationSite Mobilization

Exit from J-Village (From Regulated Area)

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 27

Page 28: Avantech Fukushima Presentation- Science Cafe

Site MobilizationSite Mobilization

Contaminated Protective Clothing Storage

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 28

Page 29: Avantech Fukushima Presentation- Science Cafe

Installation ChallengesInstallation Challenges

SIXM’s Arriving at Fukushima Dock

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 29

Air Freight to Japan

Ship from Tokyo to Iwaki

Barge from Iwaki to Fukushima Site

Earthquake Damage Created Logistics Problems

Page 30: Avantech Fukushima Presentation- Science Cafe

Equipment InstallationEquipment Installation

SARRY Pipe Racks

SIXMs

Post Filters

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 30

Raised Walkway

Flexible Hoses

Dry Disconnects

Hydrogen Ventilation

Composite Autosamplers

Grab Samplers

Gamma Detectors

Remote Sampling

Mobile Equipment Aided Expedited Installation

Page 31: Avantech Fukushima Presentation- Science Cafe

Equipment InstallationEquipment Installation

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 31

Rx, Turbine and

Radwaste Building

24 million gallons of

Storage Capacity

Mobile Equipment Aided Expedited Installation

Submersible Transfer Pump Transfer HosesTurbine Building

Page 32: Avantech Fukushima Presentation- Science Cafe

Simplified and Automated SolutionSimplified and Automated Solution

Automatic IX Alignment

DP (kPad)

Throughput (m3)

Rad Loading (TBq)

Trending

© 2011 by AVANTech Inc. This document contains information that is confidential and proprietary. No rights to this document are granted herein, except as may be expressly provided in any signed written agreement. This document may not be copied, modified, disclosed, or used other than in accordance with the terms and conditions of the agreement under which it is provided. 32

Automation Eliminates Exposure and Human Errors

Page 33: Avantech Fukushima Presentation- Science Cafe

Phase 1: ResultsPhase 1: Results

Accumulated Water Volume Control

U2 T/B B1 WL [mm]U3 T/B B1 WL [mm]

33

SARRY Processed 80% of Water Non-detectible CS-137 effluent DF > 2 million

SARRY Generated 13% of Waste

Results by all Standards Exceeded Clients Expectations

Page 34: Avantech Fukushima Presentation- Science Cafe

TEPCO Success!TEPCO Success!

34

Results by all Standards Have Exceeded Expectations

The Challenge: • Lethal Levels of Cs-137: • Heat Generation: • Radiation Shielding: • Hydrogen Gas Gen:

The Product:• Prefiltration• Ion Exchange• Automation• Sampling

The Result:• < 10 week delivery• DF > 2,000,000• Cs Effluent – Non-detectible• Waste Generation – 10%• Safe Operation Additional Work:

• Groundwater Treatment• SARRY Replacement Vessels• Atrex

Page 35: Avantech Fukushima Presentation- Science Cafe

Post Emergency Challenges

35

On-going Challenges Phase 2 – Brine Treatment

Phase 3 - Strontium Removal

Phase 4 - Groundwater Remediation

Phase 5 - Car Wash Wastewater

Page 36: Avantech Fukushima Presentation- Science Cafe

Phase 3 – Strontium RemovalPhase 3 – Strontium Removal

Strontium Removal Focus Worker Exposure

Evaporator Maintenance R/O Maintenance Equipment Maintenance

Radionuclide Removal Waste Generation

Technical Challenge High Salinity Water Heat Dissipation Radiation Exposure Minimize Radwaste Generation Optimize Material Handling

36

SARRY(AVANTech)

REVERSE OSMOSISTURBINE BLDGS.

PURE COOLING WATER STORAGE

600 M3/D

GROUNDWATER

≈ 1000M3/D

≈ 400 -500M3/D

BRINESTORAGE

TANKS

Reject

≈ 1000M3/D

≈ 50% Rec.

≈ 500M3/D

STORAGETANKS

STORAGE OF SHIELDED IX

MODULES

Volumes as ofSeptember 26, 2012

≈ 500 M3/D

RX

1ST CESIUMAPPARATUS

RADWASTEBLDGS

90,000 M3(24 MGAL)

180,000 M3(47.5 MGAL)

22,000 M3(5.8 MGAL)

New SrMedia

Areva/ KurionStandby Operation

120 Mgal treated since June-2011

Creating a Safer Work Environment and Minimizing Exposure

Page 37: Avantech Fukushima Presentation- Science Cafe

Phase 3 – Strontium RemovalPhase 3 – Strontium Removal

Current Process

System Objectives Minimize On-site work Utilize Existing Crane Passive operation

37

Design Inputs Sr-90 Concentration 1E+05 Bq/cm3

Cs-134 Concentration 7E+04 Bq/cm3

Cs-137 Concentration 1E+05 Bq/cm3

IX Volume 1E+06 cm3

SARRY System Flow

Plug-n-Play Creates a Simplified Solution

Retrofit Results ASME Section IX Pressure Vessel Operating Pressure – 200 psig Integrated into existing SARRY System 55 m3/hr flow rate per vessel

Thermal Results Dose Profiling Operation 1st Quarter 2014

Page 38: Avantech Fukushima Presentation- Science Cafe

Phase 4 – Groundwater RemediationPhase 4 – Groundwater Remediation

38

Groundwater Goals Rad Removal for Discharge High TDS Influent Minimize Waste Generation Minimize Consumables

Groundwater Problem Groundwater In-leakage Increased Contaminated Water Increased Waste Volumes Radionuclides getting to the Ocean

Lower Groundwater to Reduce In-Leakage

Page 39: Avantech Fukushima Presentation- Science Cafe

Phase 4 – Groundwater RemediationPhase 4 – Groundwater Remediation

39

System Solution Gross Filtration Fine Filtration Ion Exchange

System Design Inputs 1,200 m3 per day (220 gpm) Chemistry

Cl- 800 ppm Ca 23 ppm Mg 61 ppm COD 7 mg/l

Activity Cs-134: 5.12 Bq/ml Cs-137 9.46 Bq/ml I-131: 6.65E-02 Bq/ml Co-60: 1.64E-02 Bq/ml Sr-90: 3.56E-02 Bq/ml

Laboratory Scale Validation of Media

Page 40: Avantech Fukushima Presentation- Science Cafe

Phase 4– Groundwater RemediationPhase 4– Groundwater Remediation

40

OperationsPlug-n-Play InstallationAutomatedMaterial Handling Similar

to SARRY Anticipated ResultsNondetectible EffluentMinimal Waste GenerationStart-up February 2014

Filtration

Ion Exchange

Controlling In-Leakage to Meet the Site Objectives

Page 41: Avantech Fukushima Presentation- Science Cafe

Phase 5 – Vehicle DecontaminationPhase 5 – Vehicle Decontamination

41

Vehicle Challenge Clean Wastewater from

Decontamination of Vehicles Radionuclide Removal Minimize Waste Generation

Technical Challenge High Solids Radiation Exposure Material Handling Minimize Waste Generation

Item UnitInlet

(Waste Water)Outlet

(Treated Water)SS ppm 200 <50Cl- ppm 10

COD ppm 50 30Oil ppm 10 5pH 8.0 – 9.0 5.6 – 8.6

Cs-134 Bq/l 1000 <25Cs-137 Bq/l 1000 <25

Wastewater Characterization

Page 42: Avantech Fukushima Presentation- Science Cafe

Phase 5 – Vehicle DecontaminationPhase 5 – Vehicle Decontamination

42

Technical Solution Batch Process Collection Tank Clarification Chemical Treatment Filtration Solids Treatment

Design Characteristics 10 m3/day in hr 2.5 m3/hr Automated Nondetectible Effluent

ATREX Arrangement

Clarification

Sample Tanks Filtration

Chemical Treatment

Page 43: Avantech Fukushima Presentation- Science Cafe

Fukushima Water ChallengeFukushima Water Challenge

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Phase 1 - Cesium Removal – Avantech’s SARRY System Phase 2 – Multinuclide Removal Phase 3 - Strontium Removal – Avantech’s SARRY Upgrade Phase 4 - Groundwater Treatment – Avantech’s Treatment System Phase 5 - Car Wash – Avantech’s Atrex System

Past Success has Created Future Opportunities