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Nutrient Removal 2009 Conference Proceedings TOC

Following is the table of contents for the 2009 Nutrient Removal Conference Proceedings CD offered for sale through WEF.  Please contact WEF Customer Service online or by phone to place an order.  Customer Service phone numbers are as follows:

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Session 1: Biological Phosphorus Removal
Session 2: Fixed Film/Hybrid Process Modeling & Mechanics
Session 3: Denitrification
Session 4: Nitrogenous Greenhouse Gas Emissions
Session 5: Process Control Using On-Line Instrumentation and Modeling
Session 6: Reliability of Nutrient Removal Processes and Defining the Limit of Technology I
Session 7: Carbon Footprinting & Sustainable Design
Session 8: Process Control - Beyond Real Time
Session 9: Reliability of Nutrient Removal Processes and Defining the Limit of Technology II
Session 10: Carbon Alternatives for Denitrification
Session 11: Optimizing Suspended Growth Nitrification
Session 12: Sidestream Struvite Recovery
Session 13: BNR and ENR Case Studies
Session 14: Chemical Phosphorus Removal to Ultra-Low Levels
Session 15: Regulatory Evolving Initiatives
Session 16: Organic Nitrogen
Session 17: Fixed Film Versus Suspended Growth:  Stick or Swim
Posters

Session 1: Biological Phosphorus Removal

Enhanced Biological Phosphorus Removal by Glycerol Fermentation
Quiyan Yuan, Richard Sparling, Jan A. Oleszkiewicz, University of Manitoba

The Effect of Sewer Network Conditions on the Quality of Plant Influent Waste Water and the Performance of the BNR Process
Anna Mikola, Riku Vahala, Jyri Rautiainen, Helsinki University of Technology

Internal vs. External (Alternative) Carbon Sources for Denitrification and EBPR Accomplished by a Full-Scale Process Biomass
J. Makinia, J. Drewnowski, Gdansk University of Technology; M. Swinarski, Saur Neptun Gdansk SA; K. Czerwionka, Gdansk University of Technology

Montecarlo Analysis to Conduct Performance Assessment due to Influent and Return Load Variability in a EBPR Plant. A Case Study
Eugenio Giraldo, Yanjin Liu, American Water;  William Stewart, Camp Creek Water Reclamation Facility

Decoupling and Optimization of Both P and N Removal in an Advanced IFAS-EBPR-MBR System
Nehreen Majed, Annalisa Onnis-Hayden, Northeastern University; Thomas Welander, Veolia Water Solutions; April Z. Gu, Northeastern University

Biological Phosphorus Removal: Impact of the Aerobic Phase on Modeling Continuous-Flow Systems
Dwight Houweling, EnviroSim Associates Ltd.; Yves Comeau, Ecole Polytechnique of Montreal; Imre Takacs, Peter Dold, EnviroSim Associates, Ltd.

Session 2: Fixed Film/Hybrid Process Modeling & Mechanics

Nitrification and AOB/NOB Populations in Integrated Fixed Film Activated Sludge: Measurements and Modeling
Hyun-su Kim, Ruoting Pei, Duke University; Joshua P. Boltz, CH2M HILL, Inc.; James Gellner, Hazen and Sawyer, P.C.; Claudia Gunsch, Duke University; Robert G. Freudenberg, Entex Technologies Inc.; Robert Dodson, South Durham Water Reclamation Facility; Andrew J. Schuler, University of New Mexico

Evaluation of Nitrification Kinetics for a 2.0 MGD IFAS Process Demonstration
Wesley A. Thomas, Virginia Tech; Charles B. Bott, Virginia Military Institute; Puskar Regmi, Gary Schafran, Old Dominion University; Jim McQuarrie, CH2M HILL; Bob Rutherford, Rick Baumler, David Waltrip, Hampton Roads Sanitation District (HRSD)

Investigations of Nitrogen Removal Pathways in a Biological Packed Bed Reactor Using Elementary Mass Balances
Antonio Albuquerque, University of Beira Interior; Jacek Makinia, Gdansk University of Technology; Krishna Pagilla, Illinois Institute of Technology

Kinetic/Half-Saturation Coefficient Considerations for Post Denitrification MBBR
Marija Peric, Beverley Stinson, Dilli Neupane, Kathleen Kharkar, Yalda Mokhayeri, AECOM Water; John Carr, Rouben Der Minassian, Sudhir Murthy, Walter Bailey, DC WASA

Denitrification Stoichiometry and Kinetics of Moving Bed Biofilm Reactor
Arbina Shrestha, Rumana Riffat, George Washington University; Charles Bott, Virginia Military Institute; Imre Takacs, EnviroSim Associates; Beverley Stinson, Marija Peric, Dilli Neupane, AECOM; Sudhir Murthy, DCWASA

Full Scale Evaluation, Modeling, and Optimization of Nitrate Removal thorugh Continuously Backwashing Denitrification Filter
Scott Crosswell, Thor Young, Dan Tobocman, John Cannon, John Stulken, Stearns & Wheler, GHD; Dipankar Sen, Aquaregen; Curtis Ball, City of Aberdeen

Expanded Process Model Describes Biomass Distribution, Free-Ammonia/Nitrous Acid Inhibition and Competition between Ammonia Oxidizing Bacteria (AOB) and Nitrite Oxidizing Bacteria (NOB) in Submerged Biofilm and Integrated Fixed Film Activated Sludge (IFAS)
Joshua P. Boltz, Glen T. Daigger, Bruce R. Johnson, William Hiatt, CH2M HILL, Inc.; C.P. Leslie Grady, Jr., CH2M HILL, Inc. and Clemson University

Pilot Study Confirms Design of IFAS System for Nitrogen Reduction in Connecticut
H. Rupp, Entex Technologies Inc.; G. Roy, CDM; B. Tautic, Town of Stafford WPCF; J. Buschy, University of Connecticut

Session 3: Denitrification

Stimulating Denitrification of Agricultural Drainage Using Elemental Sulfur:  Denitrification Rates and Microbial Community Structure
Brenda Read-Daily, Jennifer Tank, Robert Nerenberg, University of Notre Dame

Phosphorus Requirements in a Post Denitrification MBBR at a Combined Limit of Technology Nitrogen and Phosphorus Plant
Marija Peric, Dilli Neupane, Beverley Stinson, Edward Locke, AECOM Water; Salil Kharkar, Nicholas Passarelli, Martin Sultan, George Shih, Sudhir Murthy, Walter Bailey, John Carr, Rouben Der Minassian, DC WASA

Denitrification Rates: Sampling, Modeling and Design Considerations
Heather M. Phillips, James L. Barnard, Chris deBarbadillo, Andrew R. Shaw, Mark T. Steichen, Cindy Wallis-Lage, Black & Veatch Corporation

Investigation of the Nitrate Half Saturation Constant for Denitrification at the Blue Plains AWTP
Rekha Hareendran, Nazia Salam, Rumana Riffat, The George Washington University; Charles Bott, Virginia Military Institute; Imre Takacs, EnviroSim Associates, Ltd.; Sudhir Murthy, District of Columbia Water and Sewer Authority

The Fine Line Between Thorough Mixing and Energy Consumption
Sonia M. Oton, Srinivas D. Gidugu, Janice R. Carroll, Paul D. Saurer, Hazen and Sawyer, P.C.; John Fillos, Krish Ramalingham, City College of New York; Salil M. Kharkar, Rouben Der Minassian, DC Water and Sewer Authority; Matthew S. Osit, Daniel A. Solimando, Allen Deur, NYC Department of Environmental Protection

Ballasted Biological Treatment Process Removes Nutrients and Doubles Plant Capacity
Ian B. Catlow, Tighe & Bond, Inc.; Steven E. Woodard, Cambridge Water Technologies, Inc.

You Said How Many Sludges!? Modeling a Multiple Sludge System for Enhanced Nutrient Removal
Kevin Frank, AECOM Water; John Copp, Primodal, Inc.; Spencer Snowling, Hydromantis, Inc.; Nick Shirodkar, Washington Suburban Sanitary Commission

Meeting the Low Total Nitrogen Discharge Limit Challenge using Advanced Biological Anoxic Filter
Amit Kaldate, Hao Pham, Sudhakar Viswanathan, Degremont Technologies - Infilco (Suez Environnement); Ralph Butler, Westchester County Department of Public Works; Frederick M. Kincheloe, Savin Engineers, PC; Clair L. Watson, City of Richmond

Session 4: Nitrogenous Greenhouse Gas Emissions

Nitrous Oxide Emissions during Biological Nitrogen Removal from Wastewater. A Review
Eugenio Giraldo, American Water

Design and Operation Optimization to Minimize the Production of Nitrous Oxide in Nitrification-Denitrification Activated Sludge Systems
William C. Hiatt, C. P. Leslie Grady, Jr., CH2M HILL, Inc.

Spatial and Temporal Variability in N₂O Generation and Emission from Wastewater Treatment Facilities
Joon Ho Ahn, Sungpyo Kim, Hongkeun Park, Columbia University; Dimitrios Katehis, CH2M HILL; Krishna Pagilla, Illinois Institute of Technology; Kartik Chandran, Columbia University

21st Century Sustainability Metrics: Assessing the Environmental Impacts of Wastewater Treatment
Katya Bilyk, Joe Rohrbacher, Joyeeta Banerjee, Brian Henn, Sandeep Mehrotra, Paul Pitt, Hazen and Sawyer

Session 5: Process Control Using On-Line Instrumentation and Modeling

Comparative Study of On-line Instruments for Monitoring Low Nutrient Concentrations
D. Neupane, M. Peric, B. Stinson, M. Laquidara, AECOM Water; S. Kharkar, N. Passarelli, S. Murthy, W. Bailey, R. Der Minassian, M. Sultan, District of Columbia Water and Sewer Authority

Develop Control Strategy to Maximize Nitrogen Removal and Minimize Operation Cost in Wastewater Treatment by Online Analyzer
Helen X. Littleton, Jordan, James & Goulding; Glen T. Daigger, CH2M HILL; Sam Amad, WSSC; Peter Strom, Rutgers University

Evaluation of Phosphorus Removal by WWTP Effluent Filtration: 1-STEP® Filter Versus Dual Media Filtration
S.M. Scherrenberg, Delft University of Technology; R. Neef, Waternet; H.W.H. Menkveld, Witteveen+Bos Consulting Engineers; J.H.J.M. van der Graaf, Delft University of Technology

DO Control Based on On-line Ammonia Measurement
Steven Kestel, Gregory J. Duffy, Matthew Gray, Tilo Stahl, George Lee, BioChem Technology, Inc.

Session 6: Reliability of Nutrient Removal Processes and Defining the Limit of Technology I

WEF/WERF Cooperative Study of BNR Plants Approaching the Limit of Technology:  I.  What Can We Learn About the Technologies?
Denny Parker, Brown and Caldwell; Charles Bott, HRSD; J.B. Neethling, HDR; Amit Pramanik, WERF; Sudhir Murthy, DCWASA

Sustainability of Full-Scale Nutrient Removal Technologies
S. Joh Kang, Kevin P. Olmstead, Krista M. Takacs, James Collins, Tetra Tech, Inc.; James Wheeler, Philip Zharaddine, U.S. EPA

Probabilistic WWTP Design and Upgrade in a Water Quality-Based Regulation Context
Lorenzo Benedetti, Ghent University; Peter A. Vanrolleghem, Ghent University and Universite Laval

Centrate Ammonia Reduction with ARP®: Pilot Data with Synthetic and Actual Wastewaters
Morton Orentlicher, ThermoEnergy Corporation; Steven Brown, Christopher Hall, ThermoEnergy/CASTion Corporation

Session 7: Carbon Footprinting & Sustainable Design

Nitrogen Removal System Impacts on Secondary Treatment Greenhouse Gas Production and Whole Plant Carbon Footprint
Bruce R. Johnson, William C. Hall, CH2M HILL

Sustainable Carbon Management at Treatment Facilities for Enhanced Nutrient Removal using a Life Cycle Assessment Approach
Joyeeta Banerjee, Brian Henn, Katya Bilyk, Joe Rohrbacher, Sandeep Mehrotra, Hazen and Sawyer, P.C.

Calculating The Carbon Footprint of Biological Nutrient Removal (BNR) Plants
Paul Hunt, Chiu TzeYen, Brenda Franklin, Earth Tech Engineering Limited; Stephanie Vermande, Tom Wilson, AECOM

Continuous Backwash Filters: An Attractive Technology for Phosphorus Removal and Recovery, and Nitrate Reduction
Paul M. Sutton, Oliver Schraa, Cory Lancaster, Paul Togna, Remembrance Newcombe, P.M. Sutton & Associates, Inc.

BOD and Total Nitrogen Removal from Wastewater Using Microbial Fuel Cells
Caitlyn Shea, Robert Nerenberg, University of Notre Dame

Session 8: Process Control - Beyond Real Time


A Five Year Case Study of a Feed Forward Nitrogen Reduction Process Control System
Matthew Gray, BioChem Technology, Inc.; Marvin Serra, Enfield WPCF; Tilo Stahl, Steve Kestel, BioChem Technology, Inc.

Integration of Real Time Monitoring Technologies with Corrective Action Strategies to Detect, Monitor, and Mitigate Toxic Shock Events at Nutrient Removal Wastewater Treatment Plants
Ameet J. Pinto, Virginia Tech and University of Michigan; Nancy Love, University of Michigan; Andy Fairey, Jake Earle, Patsy Washington, Patty Iler, Charleston Water System; Tracy Doane-Weidema, Robert Lagrange, Endress-Hauser Inc.

Development and Use of Whole Plant Simulation Modeling as a Process Control Tool for Operating Enhanced Nutrient Removal Facilities
Thor Young, John V. Stullken, Stearns & Wheler GHD; Dipankar Sen, Aquaregen; Doug Abbott, Easton Utilities Commission

Session 9: Reliability of Nutrient Removal Processes and Defining the Limit of Technology II

What is the Limit of Technology (LOT)?  A Rational and Quantitative Approach
J.B. Neethling, HDR; David Stensel, University of Washington; Denny Parker, Brown and Caldwell; Charles Bott, HRSD; Sudhir Murthy, DCWASA; Amit Pramanik, WERF; Dave Clark, HDR

Reaching the Limits of Combined N & P Removal in a Single Sludge System
Gerry Stevens, Rick Bitcon, AECOM

WEF/WERF Cooperative Study of BNR Plants Approaching the Limit of Technology: II. Statistical Evaluation of Process Reliability
Charles B. Bott, Hampton Roads Sanitation District; Denny Parker, Brown and Caldwell; J.B. Neethling, HDR; Amit Pramanik, WERF; Sudhir Murthy, DCWASA

Session 10: Carbon Alternatives for Denitrification

Evaluating the Cost and Process Performance of Carbon Alternatives to Methanol
Katya Bilyk, Joseph Rohrbacher, Theresa Bruton, Paul Pitt, Ron Latimer, Hazen and Sawyer

Making Waste Biosolids a Sustainable Organic Electron Donor for Denitrification Using Focused Pulsed Technology
Jared M. Alder, OpenCEL; Il-Su Lee, Prathap Parameswaran, Bruce E. Rittman, Arizona State University; Ronald Lopez, James E. Banaszak, City of Mesa Water Reclamation Department

Full Scale Evaluation of an Alternate Carbon Source and Methanol for Low Level Denitrification at a Long Island Sound Water Pollution Control Facility
Gary R. Johnson, Environmental Operating Solutions, Inc.; Marc Drainville, Stearns and Wheler GHD

Ability of Specific Enriched Denitrifying Culture to Utilize Other Carbon Sources
Carla Cherchi, Annalisa Onnis-Hayden, April Z. Gu, Northeastern University

A Comparison of Operating Issues and Dosing Requirements for Alternative Carbon Sources in Denitrification Filters
Christine deBarbadillo, Black & Veatch; Paul Miller, Severn Trent Water Purification; Sam Ledwell, Environmental Operating Solutions

Full-Scale Denitrification Evaluations using Sugar Water, Glycerin, and Methanol in Denitrification Filters and Activated Sludge
Katya Bilyk, Alan Stone, Ron Latimer, Paul Pitt, Hazen and Sawyer; TJ Lynch, City of Raleigh, NC; Tony Mencome, Durham County, NC

Secondary Impacts of Supplemental Carbon Addition to BNR/ENR Treatment Processes
Ron Latimer, Paul Pitt, Andre van Niekerk, Theresa Bruton, Sarah Dailey, Hazen and Sawyer, P.C.; James Grandstaff, Henrico WRF; Kevin Selock, Parkway WWTP

Session 11: Optimizing Suspended Growth Nitrification

The Impact of Degree of Recycle on the Nitrifier Growth Rate
Jose A. Jimenez, Henryk Melcer, Denny S. Parker, John R. Bratby, Brown and Caldwell

Accurately Modeling the Effect of Dissolved Oxygen on Nitrification
John Bratby, Denny Parker, Brown and Caldwell

Comparison of Methods to Evaluate Nitrification Kinetics:  WERF "High F/M" and "Low F/M" Protocols
K. Mohammed-Jones, C. Bott, Virginia Military Institute; T. Kochaba, HDR Engineering, Inc.

Evaluation of Nitrification Inhibitition Using Bench-Scale Rate Measurements
Phill H. Yi, Virginia Tech; Charles B. Bott, Virginia Military Institute; Katya Bilyk, Paul Pitt, Alan Stone, Hazen and Sawyer; Bill Balzer, J. Dano, Hampton Roads Sanitation District

Session 12: Sidestream Struvite Recovery

Incorporation of an Intentional Struvite Precipitation Model into a Whole-Plant Process Simulator
William Leaf, Bruce Johnson, CH2M HILL

Implementation and Operating Data from the US's First Commerical Nutrient Recovery Plant
Ahren Britton, Ostara; Rob Baur, Clean Water Services; Ram Prasad, Old Dominion University

Controlling Magnesium and Phosphorus to Reduce Struvite Precipitation in Plant Processes and Increase Revenue
Peter Schauer, Black & Veatch; Rob Baur, Clean Water Services; James Barnard, Black & Veatch; Ahren Britton, Ostara

A Sustainable BNR Solution Combines EBPR With Struvite Recovery to Reduce Cost and Energy and Increase Reliability
J.C. Kabouris, Carollo Engineers; M. Engelmann,  J.A. Dulaney, Pinellas County Utilities; B. Narayanan, R.A. Gillette, A.C. Todd, Carollo Engineers

Session 13: BNR and ENR Case Studies

Achieving 3 mg/L Total Nitrogen in a Cold Climate Without Supplemental Carbon or Filtration
Marc R. Drainville, William P. Brink, Stearns & Wheler, GHD; Stephen J. Edwards, Town of Westport

The Application of PAX Compounds for Microthrix Parvicella Foam Control in BNR Systems
Henryk Melcer, Brown and Caldwell; Wayne Robinson, Paul Jue, LOTT Alliance; Jon Yanasak, City of Yelm; Greg Land, Kemira Water Solutions, Inc.

A 20 mgd BNR Pilot Program - A First Step to Comply with Florida 2008 Ocean Outfalls Elimination Rule
Alonso Griborio, Robert Harris, Katya Bilyk, Paul Pitt, Patrick Davis, Hazen and Sawyer, P.C.; Ralph Aliseo, Alan Garcia, Jerry Baker, Terry Karda, Broward County Water and Wastewater Services

Design and Start-up of North America's First Sidestream Nitrogen Removal Plant
Simon Baker, Yoomin Lee, Doug Taniguchi, AECOM; Nicholas Szoke, Allan Zaleski, City of Winnipeg; Jan Oleszkiewicz, University of Manitoba

Performance of Clarifiers in BNR Plants, Design and Optimization - Four Case Studies
Alonso Griborio, Paul Pitt, Hazen and Sawyer, P.C.;  J. Alex McCorquodale, University of New Orleans

Session 14: Chemical Phosphorus Removal to Ultra-Low Levels

Pilot Testing of a High Efficiency Adsorbent System for Phosphorus Removal and Recovery to Meet Ultra-Low Phosphorus Limits
J. Fitzpatrick, Black & Veatch Corporation; H. Aoki, Asahi Kasei Chemicals Corporation; C. deBarbadillo, Black & Veatch Corporation; A. Kubota, A. Omori, I. Midorikawa, T. Shimizu, Asahi Kasei Chemicals Corporation

Phosphorus and Nitrogen Profile Measurements to Understand, to Locate and to Deal with Phosphorus Limitation in a Fixed Bed Filter
S.M. Scherrenberg, Delft University of Technology; R. Neef, Waternet; H.W.H. Menkveld, Witteveen+Bos Consulting Engineers; J.H.J.M. van der Graaf, Delft University of Technology

Low Phosphorus Analytical Measurement Study
Lazaro Eleuterio,  JB Neethling, HDR Engineering, Inc.

Operational Impact of Phosphorus Removal Using Ferric Chloride on Anaerobic Digesters and Dewatering
Yoomin Lee, Simon Baker, Li Wang, AECOM; Dwight Gibson, John Amos, Al Zaleski, City of Winnipeg

Session 15: Regulatory Evolving Initiatives

Evaluation of NRDC Secondary Treatment Rule Petition: End Running the TMDL Process
John C. Hall, Phil Rosenman, Gary B. Cohen, Hall & Associates

Thirty-six Years after the Clean Water Act - Time for a New Regulatory Framework
Woodie Mark Muirhead, Brown and Caldwell; Rob Baur, Clean Water Services; Mary Darr, Orange Water and Sewer Authority; Greg Farmer, Littleton-Englewood Wastewater Treatment Plant; Jose Jimenez, Brown and Caldwell; Wayne Schultz, Derry Township Municipal Authority; Ron Taylor, Nashville Metro Water Services

Session 16: Organic Nitrogen

DON and CON in Seven BNR Wastewater Treatment Plants’ Processes and Effluents
Chakkrid Sattyatewa, Illinois Institute of Technology; Natalie Dubanowitz, Manhattan College; Krisna Pagilla, Illinois Institute of Technology; Robert Sharp, Manhattan College; Paul Pitt, Chris White, Theresa Bruton, Hazen and Sawyer

Biodegradability of Effluent Dissolved Organic Nitrogen: Impacts of Treatment Technology, Process Variables, and Other Effluent Water Quality Parameters
Robert Sharp, Natalie Dubanowitz, Manhattan College; Chakkrid Sattayatewa, Krishna Pagilla, Illinois Institute of Technology; Sudhir Murthy, DC WASA; Paul Pitt, Hazen and Sawyer

Transformations of Dissolved and Colloidal Organic Nitrogen in Biological Nutrient Removal Activated Sludge Systems
K. Czerwionka, J. Makinia, Gdansk University of Technology; K. R. Pagilla, Illinois Institute of Technology; J. Drewnowski, Gdansk University of Technology

Impact of Membranes on Refractory Dissolved Organic Nitrogen
MinGu Kim, George Nakhla, University of Western Ontario

Assessing the Bioavailability of Effluent Organic Nitrogen (EON) Using a Suite of Water Quality-Based Assays
Deborah A. Bronk, The College of William and Mary, Margaret R. Mulholland, Old Dominion University; Nancy G. Love, University of Michigan; Quinn Roberts, The College of William and Mary; Katherine C. Filippino, Old Dominion University; Elizabeth Canuel, The College of William and Mary

Session 17: Fixed Film Versus Suspended Growth:  Stick or Swim

Optimization of Biological Nutrient Removal Processes at Long Creek and Crowders Creek WWTPs
S. Scheringer, L. Cummings, D. Shellenbarger, City of Gastonia; C. deBarbadillo, M. Knosby, Black & Veatch

Optimizing Nitrogen and Phosphorus Removal at the Broad Run Water Reclamation Facility
B. Canham, M. Rumke, T. Broderick, Loudoun Water; A. Fonseca, G. T. Daigger, N. Johnson, D. Lynch, CH2M HILL

Achieving Limit-of-Technology Treatment for Total Nitrogen and Total Phosphorous Removal at the Alexandria Sanitation Authority AWTF
Maureen O'Shaughnessy, Alexandria Sanitation Authority; Paula Sanjines, Glenn Daigger, CH2M HILL

Full-Scale Design Challenges for the James River Treatment Plant IFAS Improvements Project: Using a Demonstration Scale Project to Optimize Final Design
James McQuarrie, CH2M HILL; David Waltrip, Robert Rutherford, Hampton Roads Sanitation District; Wesley Thomas, Virginia Tech; Charles Bott, Virginia Military Institute; Rick Baumler, Hampton Roads Sanitation District; Dimitrios Katehis, CH2M HILL

Design and Operating Considerations for a Post Denitrification MBBR to Achieve Limit of Technology Effluent NOx < 1 mg/l and effluent TP < 0.18 mg/l
B. Stinson, M. Peric, D. Neupane, M. Laquidara, E. Locke, Metcalf & Eddy; S. Murthy, W. Bailey, S. Kharkar, N. Passarelli, R. Derminassian, J. Carr, M. Sultan, G. Shih, DC WASA; Expert Technical Advisory Panel: J. Barnard, Black & Veatch; G. Daigger, CH2M HILL; D. Parker, Brown & Caldwell; C. Randall, Virginia Tech; T. Wilson, AECOM Water

A Hybrid Suspended Growth/RBC Nitrogen Removal Process at Wallingford, Connecticut
Kenneth A. Bradstreet, AECOM; Terry Smith, Daniel Sullivan, Kim Maloney, Town of Wallingford, Connecticut

Membrane Aerated Biofilms:  Who is There, What are They Doing, and Why are They Beneficial
Leon S. Downing, University of Notre Dame and Freese and Nichols, Inc.; Robert Nerenberg, University of Notre Dame

Posters:

Using Modeling to Optimize a Full-Scale WWTP for Energy Reduction and Increased BNR
Lluis Corominas, modelEAU and University of Girona; Joan Subiranas, Joaquim Comas, University of Girona; Peter A. Vanrolleghem, Leiv Rieger, modelEAU; Manel Poch, University of Girona

Pilot Study Confirms Design of IFAS System for Nitrogen Reduction in Connecticut
H. Rupp, Entex Technologies Inc.; G. Roy, CDM; B. Tautic, Town of Stafford WPCF; J. Buschy, University of Connecticut
*Paper Available in Session 2

DO Control Based on On-line Ammonia Measurement
Steven Kestel, Gregory J. Duffy, Matthew Gray, Tilo Stahl, George Lee, BioChem Technology, Inc.
*Paper Available in Session 5

Centrate Ammonia Reduction with ARP®: Pilot Data with Synthetic and Actual Wastewaters
Morton Orentlicher, ThermoEnergy Corporation; Steven Brown, Christopher Hall, ThermoEnergy/CASTion Corporation
*Paper Available in Session 6

Continuous Backwash Filters: An Attractive Technology for Phosphorus Removal and Recovery, and Nitrate Reduction
Paul M. Sutton, Oliver Schraa, Cory Lancaster, Paul Togna, Remembrance Newcombe, P.M. Sutton & Associates, Inc.
* Paper Available in Session 7

BOD and Total Nitrogen Removal from Wastewater Using Microbial Fuel Cells
Caitlyn Shea, Robert Nerenberg, University of Notre Dame
* Paper Available in Session 7

Evaluation of Nitrification Inhibitition Using Bench-Scale Rate Measurements
Phill H. Yi, Virginia Tech; Charles B. Bott, Virginia Military Institute; Katya Bilyk, Paul Pitt, Alan Stone, Hazen and Sawyer; Bill Balzer, J. Dano, Hampton Roads Sanitation District
* Paper Available in Session 11

Operational Impact of Phosphorus Removal Using Ferric Chloride on Anaerobic Digesters and Dewatering
Yoomin Lee, Simon Baker, Li Wang, AECOM; Dwight Gibson, John Amos, Al Zaleski, City of Winnipeg
*Paper Available in Session 14

Membrane Aerated Biofilms:  Who is There, What are They Doing, and Why are They Beneficial
Leon S. Downing, University of Notre Dame and Freese and Nichols, Inc.; Robert Nerenberg, University of Notre Dame
*Paper Available in Session 17