EPRI Update!

AVANTech Inc.

© 2016 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.

2016 Manufacturing ExcellenceProcess Design & Automation

Standards & Certifications

ASME NQA-1

HLW Emergency Response

2

Removal of radioisotopes in a Seawater Solution

Deliver it in less than 8 weeks

Start-up in less than 12 weeks

Ensure its safe! Operational Safety

Dose Rates

Thermal

Failure means Radioactive Wastewater into the Pacific Ocean

Post Accident Reactor Cooling

Emergency Response: The AVANTech Technical Approach

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

3

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

Emergency Response: Process Solution

4

Process Optimizes Media and Decontamination Factor

SARRY Pipe Racks

SIXMs

Flexible Hoses

H2 Vents

Automatic Alignment

DP (kPad)

Throughput (m3)

Rad Loading (TBq)

Trending

Emergency Response - Results

Accumulated Water Volume Control

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

5

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

Fukushima Wastewater Overview

6

Water Treatment Continues to Be a Challenge

Liquid Waste Implementation Plan

7

Critical Support Provided by the AVANTech Team

High Performance ALPS

Subdrain

SARRY

Tankage

AVANTech 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

8

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

Maximum Temperature of 648 F Maximum Dose of 60 mr/hr

9

AVANTech Multi-Nuclide Removal

System Solution Gross Filtration Fine Filtration Ion Exchange

System Design Inputs 500 m3 per day (92 gpm) Chemistry

Cl- 6000 ppm Average Ca 300 ppm Mg 400 ppm pH: 7.5

Activity Cs-134: 1E2 Bq/ml Cs-137 1E2 Bq/ml I-129: 9 E-02 Bq/ml Co-60: 6.6E-01 Bq/ml Sb-125: 5E2 Bq/ml Mn-54: 7.9E-1 Bq/ml Ru-106: 2E2 Bq/ml Sr-90: 1E6 Bq/ml

IX Vessel Customized for Application

10

AVANTech Multi-Nuclide Removal

Preliminary Layout of Multinuclide Removal Facility

IX Valve Racks

Ion Exchange

Pump & Filter Skids

Chemical Addition

11

Multi-Nuclide Removal Technologies

Multiple Operations to Minimize Downtime Multiple Technologies to Optimize Performance Processing Results Reflect Capacity

Approx imately 95% of the Brine Has Been Processed

12

AVANTech Multi-Nuclide Removal

Focus is on Long Term Progress and Continuous Improvement

Operations October 2014 Start >15 million gallons processed On-going Analysis of results

Continued Development Resin Optimization Plan Filtration Optimization On-going

Consumables Support In-Place

0

50000

100000

150000

200000

250000

300000

350000

400000

450000

500000

Apr-14 Jun-14 Jul-14 Sep-14 Nov-14 Dec-14 Feb-15 Apr-15 May-15 Jul-15

Contaminated Water Volume (M3)

Fukushima Wastewater Overview

13

Water Treatment Continues to Be a Challenge

Groundwater Remediation

14

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

Groundwater Problem Groundwater In-leakage of 300 tons per day Increased Contaminated Water Increased Waste Volumes

Lower Groundwater to Reduce In-Leakage

Groundwater Remediation

15

OperationsPlug-n-Play InstallationAutomatedMaterial Handling Similar

to SARRY Actual ResultsEffluent less than

Regulatory ValueMinimal Waste GenerationBrine Operations – 10/14

Controlling In-Leakage to Meet the Site Objectives Installed Equipment

Manufacturing Operations

16

Facility:• 122,000 ft2 Cola, SC

• 20,000 ft2 Knoxville, TN

• 10,500 ft2 Office Space

Mechanical:• ASME Code Stamp

• Welding: MIG, TIG, Orbital

• Standards: ASME, AWS

Electrical:• Certified Panel Shop

• UL Approval

World-Class Facilities!Avantech’s New Facility – December 2014

17

AVANTech Advanced Manufacturing

Production Capacity Increase of 400%

Facility Layout Facility Operation Automated Documentation

Advanced Manufacturing

18World-Class Advanced Manufacturing!

Automated Welding Overhead CranesElectronic Documentation:• Material Traceability with tablets

• Weld data input electronically with tablets

Grand Opening – April 9th

Customer Participation:

President of Hitachi

Director of DOE Small Business

Duke Power, SCE&G, Southern Co.

Why AVANTech?

Wastewater Solutions Minimizing Waste Generation!

Reputation for Solving the Difficult Problems: Silica Removal

Fukushima Cesium Removal

BWR WWT Recycling

High Flow Filtration

Reactor Segmentation

Commitment to Industry Success: Owners have Developed and have helped develop the industry

Merger with DTS Provides Platform for Success

Tc-99 Removal at Hanford

SRS SCIX Validation

Hanford Sludge Retrieval

SNS Water Treatment

Hanford HLW LAWPS Testing

The AVANTech Technology

Technology Focused on Your Needs!

Proven Technology: Boric Acid Removal System

Radwaste Reverse Osmosis (RWRO)

Solids Collection Filter (SCF)

Ultrex Recycle Systems0

0.5

1

1.5

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31

Mill

icur

ies

Release Number

ANO U2 LRW Activity Released Per Tank 2014

020406080

100120 80

100

50

100 100

0

Med

ia E

xpen

ded

(CFT

)

Arkansas Nuclear One - Unit 2Media Usage Reduction

Technology Development: High Flow Filtration - ALARA

High Integrity Containers

Comprehensive Water Treatment

21 Patents in process

AVANTech is Growing To Serve You

U.S. Wastewater Recycling Operations

International Experience

Worldwide Expertise in Nuclear Wastewater Treatment !DOE/DOD Experience

Summary

Fukushima Results = Proven Waste MinimizationManufacturing = Capacity to support your Operations AVANTech/DTS Merger = Proven PWR TechnologiesProven BWR TechnologiesProven Water Treatment Team ready to meet your

ALARA and waste minimization goals

AVANTech is Focused on Improving your Operations!