Evaluating Impoundment Closure Scenarios using Fate and Transport Modeling

Jacob J. Walczak
Meng Wang
Brian Hennings

Lexington, KY

8:30 AM - 9:00 AM

Innovative Retaining Structure and Slope Stabilization Technologies

Justin Anderson

Lexington, KY

9:00 AM - 9:30 AM

Mineralogical and Geochemical Evaluation of Brine-Encapsulated Monoliths

Cornﾃｩ Pretorius
Shameer Hareeparsad
Kirk Ellison

Lexington, KY

9:00 AM - 9:30 AM

Rare earth element recovery from coal fly ash by roasting and leaching methods

Ross K. Taggart
Jack F. King
James C. Hower
Heileen Hsu-Kim

Lexington, KY

9:00 AM - 9:30 AM

Conceptual Groundwater Remedial Alternatives at Coal Combustion Residuals (CCR) Sites

Herwig Goldemund
Jeff Ahrens

Lexington, KY

9:30 AM - 10:00 AM

Evolution of the Properties of Organic Matter and Mineral Phases of Reclaimed Coal Fly Ash

Xenia Wirth
Chris R. Shearer
Susan E. Burns
Kimberly E. Kurtis

Lexington, KY

9:30 AM - 10:00 AM

South Africa’s power producer’s revised Coal Ash Strategy and Implementation Progress

Nico Singh
Kelley Reynolds-Clausen

Lexington, KY

9:30 AM - 10:00 AM

The Role of Dense Slurry in Achieving Zero Liquid Discharge

Dale Timmons
Istvan Kovacsics

Lexington, KY

9:30 AM - 10:00 AM

Distributions and Extraction of Rare Earth Elements from Coal and Coal By-Products

Elliot Roth
Tracy Bank
Ronghong Lin
Megan Macala

Lexington, KY

10:30 AM - 11:00 AM

Emerging Water Management Challenges at Coal-Fired Power Stations to Address New USEPA Regulations

Catherine Magliocco
Matthew Munz
Zel Jones
Michael Condran

Lexington, KY

10:30 AM - 11:00 AM

Managing Springs Emanating from Coal Combustion Residual Disposal Impoundments

Mark L. Orzechowski
Daniel M. Tolmer

Lexington, KY

11:00 AM - 11:30 AM

Mass Transport Release of Heavy Metals from Solidified/Stabilized Co-disposed Flue Gas Desulfurization Brine and Coal Fly Ash Monoliths

Jay E. Renew
David Kosson
Ching-Hua Huang

Lexington, KY

11:00 AM - 11:30 AM

Remediation of Coal Combustion Residuals Using Microbially-Induced Calcite Precipitation

Abby A. Thane
Eric Troyer
Al Cunningham
Lee Spangler

Lexington, KY

11:00 AM - 11:30 AM

Smarter, Cheaper, Ash Dewatering

Steven Kosler
David Seeger

Lexington, KY

11:00 AM - 11:30 AM

How to Manage a Statistically Significant Increase (SSI) During Groundwater Detection Monitoring under the CCR Rule

Bob Glazier

Lexington, KY

11:30 AM - 12:00 PM

Mechanical properties and functional durability of Fly ash pellets, adsorbents in wastewater treatment

Ion Visa
Adrian Duta
Maria Visa
Anca Duta

Lexington, KY

11:30 AM - 12:00 PM

Preliminary Techno-Economic Evaluation of a Novel Membrane Based Separation and Recovery Process for Rare Earth Elements from Coal Combustion Residues

Zachary Hendren
Young Chul Choi
Helen Hsu-Kim
James C. Hower

Lexington, KY

11:30 AM - 12:00 PM

The Effects of Flue Gas Desulfurization Gypsum （FGD Gypsum）on P Fractions in a Coastal Plain Soil

Kun He
Xiaoping Li
Longli Dong
Yumei Mao

Lexington, KY

11:30 AM - 12:00 PM

Scrubbing Hazardous Wastes of the Spanish Phosphate Industry and Used Tires Ash via Coal Fly Ash and Incorporation of the Product in Concrete for Civil Engineering Purposes

Roy Nir Lieberman
Haim Cohen
Natalia Moreno
Jesus de la Rosa

Lexington, KY

1:00 PM - 1:30 PM

Selective Recovery and Concentration of Rare Earth Elements from Coal Ash Leachate Using Liquid Membranes

Ryan C. Smith
Ross Taggart
James C. Hower
Mark Wiesner

Lexington, KY

1:00 PM - 1:30 PM

Sulfur-Oxidizing Bacteria Convert Problematic Waste into Marketable Resource

Jacques J. Smith
Duane Graves
Linxi Chen
Allison Kreinberg

Lexington, KY

1:00 PM - 1:30 PM

Multiple Lines of Evidence Facilitate Background Groundwater Well Selection in a Geologically Complex Site

Natasha Hausmann
Mark Shibata
Luke Shannon
Brian Bjorklund

Lexington, KY

1:30 PM - 2:00 PM

The Effect of Spray Dryer Absorber Ash as an Asphalt Mix Performance Enhancer

Clayton Cloutier
Konstantin Sobolev
Thomas Jansen
Robert Meidl

Lexington, KY

1:30 PM - 2:00 PM

Use of Slurry Wall Systems to Support CCR Impoundment Closure and Corrective Action

Dale W. Evans
Kathleen Whysner

Lexington, KY

1:30 PM - 2:00 PM

Geotechnical Properties of Flue-Gas Desulfurization (FGD) Sludge Material

R. Eric Pease
Alan F. Rauch
Ken Ladwig

Lexington, KY

2:00 PM - 2:30 PM

Mass Flux Performance Metrics for Justification of Monitored Natural Attenuation Groundwater Remedies under the CCR Rule

Bob Glazier

Lexington, KY

2:00 PM - 2:30 PM

Recovery of Rare Earth Elements from Coal Ash with a Recycling Acid Leach Process

Rick Peterson
Mike Heinrichs
Annie Lane
Rachid Taha

Lexington, KY

2:00 PM - 2:30 PM

How Fly Ash Paste Disposal helped Europe's largest Brown Coal Power Station to reduce its Water Consumption by 90%

Andreas Broedel
Uli Freitag

Lexington, KY

2:30 PM - 3:00 PM

Performance of an Alternative Final Cover System at the Little Blue Run Disposal Facility

Rick J. Buffalini
Daniel M. Tolmer

Lexington, KY

2:30 PM - 3:00 PM

The Effects of Wood Source and Combustion Conditions on Properties of Biomass Fly Ash

Xenia Wirth
Nortey N.N. Yeboah
Susan E. Burns
Susan E. Burns

Lexington, KY

2:30 PM - 3:00 PM

Lessons Learned from a Wet Ash Pond Closure

Christopher Colangelo

Lexington, KY

4:00 PM - 4:30 PM

Non-Spec Fly Ash Remediation

Jeffrey Whidden
Joe Thomas

Lexington, KY

4:00 PM - 4:30 PM

The relative impacts of the use of calcium and sodium Dry Sorbent Injection (DSI) reagents

Michael D. Schantz
Gerald Hunt

Lexington, KY

4:00 PM - 4:30 PM

Use of Coal Combustion Ash in Coating Mortar

Kalil N. H. Sampaio
Antonio Eduardo Cabral

Lexington, KY

4:00 PM - 4:30 PM

CCR Barrier Systems: Mitigating Risk from Leakage with Proven Advanced Technologies

Abigail Gilson-Beck
Jimmy Youngblood

Lexington, KY

4:30 PM - 5:00 PM

What is a “Practical” (ASTM C 618) SAI--Strength Activity Index for Fly Ashes that can be used to Proportion Concretes Containing Fly Ash?

Edwin R. Dunstan

Lexington, KY

4:30 PM - 5:00 PM

Zeolite Materiais Obtained from Fly Ash Used for Removal of Heavy Metals and dye from Complex Wastewaters

Maria Visa
Popa Nicoleta
Andreea Chelaru

Lexington, KY

4:30 PM - 5:00 PM