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Enhancing Coal Ash Impoundment Closure Using Value Engineering

Holt Wheeler
Trey Mangers
Paul Lear

St. Louis, Missouri

10:30 AM - 11:00 AM

EXPERIMENTAL TEST METHOD TO DETERMINE THE REACTIVITY OF FLY ASH FOR USE IN CONCRETE MIXTURE PROPORTIONING

Antara Choudry
Deborah Glosser
O. Burkan Isgor
W. Jason Weiss

St. Louis, Missouri

10:30 AM - 11:00 AM

Impoundment Closure Enhancement Measures to Support Groundwater Compliance

John Hesemann
Wayne Weber
Eric Dulle

St. Louis, Missouri

10:30 AM - 11:00 AM

IS MY SITE A CANDIDATE FOR A GROUNDWATER NATURAL ATTENUATION REMEDY? A GEOCHEMIST’S PERSPECTIVE

Bob Glazier

St. Louis, Missouri

10:30 AM - 11:00 AM

Managing Landfill Leachate in a World Without Ash Basins: Lessons Learned and Practical Considerations

Evan Andrews
Michael Lazar

St. Louis, Missouri

10:30 AM - 11:00 AM

Overview of EPRI Research on Environmental Issues and Beneficial Use of Coal Combustion Products

Bruce Hensel
Ken Ladwig

St. Louis, Missouri

10:30 AM - 11:00 AM

Panel on Liquefaction of Ponded Fly Ash: From Laboratory to Practice

Tarunjit S. Butalia

St. Louis, Missouri

10:30 AM - 12:00 PM

CHALLENGES MET IN USING BOTTOM ASH AS A LANDFILL DRAINAGE MEDIA

William M. Strachan

St. Louis, Missouri

11:00 AM - 11:30 AM

Corrective Measures/Corrective Action (CM/CA) Strategies that Effectively Integrate Engineered Pond Closures and Short/Long-Term Groundwater Management with Case Study Examples

Steve Putrich

St. Louis, Missouri

11:00 AM - 11:30 AM

Slurry-trench Cutoff Walls for the Containment of the Coal Combustion Residuals (CCR) Impacted Groundwater: Evaluation of Hydraulic Conductivity and Consolidation Properties of Soil-Bentonite Backfills

Y.L. Yang
Krishna Reddy
Y.J. Du
R.D. Fan

St. Louis, Missouri

11:00 AM - 11:30 AM

Two Bottom Ash Management/Handling System Enhancement Case Studies – From Technology Evaluation and Design through Construction and Performance Verification

George McKenzie
Aaron Davis
Chris Pickelmann
Jason Obermeyer

St. Louis, Missouri

11:00 AM - 11:30 AM

Cost-Effective, Environmentally-Friendly Ash Beneficiation Technology

Scott Ziegler

St. Louis, Missouri

11:30 AM - 12:00 PM

Net Environmental Benefit Analysis (NEBA) for CCR Pond Closure Decisions -- A Pathway to Meaningful Citizen Engagement and Reducing the Potential for Unnecessary Litigation

Chris Hardin
Ric Traver

St. Louis, Missouri

11:30 AM - 12:00 PM

Soil Mixing and Slurry Trench Cutoff Walls for Coal Combustion Residue Sites

Jeffrey C. Evans
Daniel Ruffing

St. Louis, Missouri

11:30 AM - 12:00 PM

The Utilization of Dry Scrubber Material for the Production of Calcium Sulfoaluminate Clinkers and Cements

Tristana Y. Duvallet
Robert B. Jewell
Anne E. Oberlink
Thomas L. Robl

St. Louis, Missouri

11:30 AM - 12:00 PM

Use of Fly Ash as a Proppant in Fracking Unconventional Oil & Gas Wells

Tom Robl
Anne Oberlink
Robert Jewell
Tristana Duvallet

St. Louis, Missouri

11:30 AM - 12:00 PM

Conceptual Site Model Development to Manage CCP Impoundment Leachate Impacts to Surface Water and Public Water Supply

Matthew Schnobrich
Rick Kenter

St. Louis, Missouri

1:00 PM - 1:30 PM

Development of Green Cement, Based on Partial Replacement of Cement with Limestone and Blast Furnace Slag Powders

Yaniv Knop

St. Louis, Missouri

1:00 PM - 1:30 PM

Encapsulation of flue-gas desulfurization wastewater using coal combustion by-product mixtures: Field lysimeter investigations

Jason Raucci
Jeffrey Samson
Kirk Ellison
Ben Gallagher

St. Louis, Missouri

1:00 PM - 1:30 PM

Lessons Learned from Implementing Advanced Compaction Monitoring at TVA’s CCR Landfills

David White
Pavana Vennapusa
Eric Hageman
Jason Hill

St. Louis, Missouri

1:00 PM - 1:30 PM

Monitored Natural Attenuation for Coal Combustion Product Constituents in Groundwater

Jim Redwine
Bruce Hensel

St. Louis, Missouri

1:00 PM - 1:30 PM

Development of High-Density Geopolymer Concrete for Breakwater Armour Units for Port Kembla Harbour

Craig Heidrich
Aziz H. Mahmood
Stephen J. Foster
Arnaud Castel

St. Louis, Missouri

1:30 PM - 2:00 PM

Disposal of Commingled CCR and Phragmites Roots in a CCR Landfill

Cedric H. Ruhl

St. Louis, Missouri

1:30 PM - 2:00 PM

Fly Ash Reclamation and Beneficiation Using a Triboelectric Belt Separator

L. Baker
A. Gupta
F. Hrach

St. Louis, Missouri

1:30 PM - 2:00 PM

Non-Invasive Technology to Find Preferential Groundwater Flow Paths at CCR Impoundments

Ryan Blanchard
Val Kofoed
Judson Kennedy
Richard Traver

St. Louis, Missouri

1:30 PM - 2:00 PM

Options for Recovering, Treating, and Reusing Water from Coal Ash and FGD Systems

Suzette Puski
Randy Pit

St. Louis, Missouri

1:30 PM - 2:00 PM

THE MINERALOGY OF A MODERN COAL FIRED POWER PLANT SPRAY DRYER SYSTEM

Tom Robl
Bob Jewell
Anne Oberlink
Kevin Henke

St. Louis, Missouri

1:30 PM - 2:00 PM

Examination of the Sampling Rate of Fly Ash from Established Sources

Cole Spencer
Ivan Diaz Loya
Rafic Minkara

St. Louis, Missouri

2:00 PM - 2:30 PM

Excavation and Beneficiation Considerations

Johnny Lowe
Bill Fedorka

St. Louis, Missouri

2:00 PM - 2:30 PM

Pitfalls of Transitioning to CCR Landfills

Brian Cole

St. Louis, Missouri

2:00 PM - 2:30 PM

Proactive Pre-Drainage Criteria for Hybrid Ash Basin Closure

John Bove
Paul Schmall

St. Louis, Missouri

2:00 PM - 2:30 PM

Tennessee Valley Authority – Kingston Fossil Plant – East Dike Seepage Repair

Christopher Backus

St. Louis, Missouri

2:00 PM - 2:30 PM

Development of Alternative Source Demonstrations for Groundwater Quality Exceedances at CCR Sites Using EPRI’s Guidance Document

Nikki Pagano
Eric Tlachac
Stu Craves
Bruce Hensel

St. Louis, Missouri

2:30 PM - 3:00 PM

Finding Balance: How Future Use Guides Ash Pond Closure Strategies

Eric Nelson

St. Louis, Missouri

2:30 PM - 3:00 PM

Fluidized Bed Combustion Fly Ash Leaching: A Column Study

Mina Mohebbi
Farshad Rajabipour
Randy Lindenmuth

St. Louis, Missouri

2:30 PM - 3:00 PM

Preliminary Study of the Potential of a Beneficiated Ultrafine Class F Fly Ash

L. K. Crouch
Alex Kelley

St. Louis, Missouri

2:30 PM - 3:00 PM

Use of multi-linear drainage geocomposites for CCP disposal units final cover

Stephan Fourmont
Pascal Saunier

St. Louis, Missouri

2:30 PM - 3:00 PM

Utilizing CCP's as a Building Material to Create Cost-Effective Additional Airspace in CCP Monofills

Mark Roberts

St. Louis, Missouri

2:30 PM - 3:00 PM

Closed Loop System for Coal Combustion Residual Dredging and Dewatering from A Recycle Pond with Landfill Placement

Jerry Vetter
Eric Zeigler

St. Louis, Missouri

3:30 PM - 5:00 PM

Dam Repair & Rehabilitation at an Active Coal Ash Pond

Chris Colangelo

St. Louis, Missouri

3:30 PM - 5:00 PM

Demonstration of a Dredge-Fed Fly Ash Hydraulic Classifier/Thickener at the Cardinal Power Plant Pond

Tom Robl
Anne Oberlink

St. Louis, Missouri

3:30 PM - 5:00 PM

Evaluation of 'Off-Spec' Biomass, Co-Fired and Reclaimed Ashes for Use in Concrete

Daniel Benkeser
Xenia Wirth
N.N. Nortey Yeboah
Chris Shearer

St. Louis, Missouri

3:30 PM - 5:00 PM

Evaluation of the Application of Bottom Ashes from Thermoelectric in Concrete Blocks for Pavements

Webert Silva
Suelly Barroso
Antonio Cabral

St. Louis, Missouri

3:30 PM - 5:00 PM

How Clean? A Methodology to Assess Progress of CCR Cleanup in Real Time

Laura Powers
Victoria Jennings

St. Louis, Missouri

3:30 PM - 5:00 PM

Nu-Rock Process to make Nu-Concrete Products and Concrete replacement.

Maroun George Rahme

St. Louis, Missouri

3:30 PM - 5:00 PM

Passive treatment of acid mine drainage using South African coal fly ash, column leaching study

Etienne Beya Nkongolo
Vinny Ndjate Katambwe
Methode Rosicky Kalombe
John Kevern

St. Louis, Missouri

3:30 PM - 5:00 PM

Recovery of carbonaceous solid residue (char) from coal ash to use as possible substitute graphite-based materials in green energy applications

Ana C. Santos
Charlotte J. Badenhorst
Barbara Białecka
Joanna Całus-Moszko

St. Louis, Missouri

3:30 PM - 5:00 PM

Sulfate-Activated Class C Fly Ash Based Cements

Tristana Duvallet

St. Louis, Missouri

3:30 PM - 5:00 PM

Synthesis of Coal Bottom Ash (CBA)-based Geopolymer with Microwave Energy Appended to Conventional Dry-Oven Curing process

Hyo Kim
Cheol-Woo Park
Jun-Seong Park

St. Louis, Missouri

3:30 PM - 5:00 PM

The Future of Geomembrane Installation: Utilizing Smart Technology & Data Acquisition To Enhance Installation Standards, Project QC/QA and Reporting

Allen Bullock

St. Louis, Missouri

3:30 PM - 5:00 PM

Top 10 Mistakes in Environmental Data Management

Stephanie Lein
Matthew Miller
DeAnna Aungst

St. Louis, Missouri

3:30 PM - 5:00 PM

Use of Supplementary Cementitious Materials in Full-Depth Reclamation of Asphalt Pavements

Omar Amer
Prasad Rangaraju

St. Louis, Missouri

3:30 PM - 5:00 PM