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Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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Publisher: Water Environment Federation

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Nutrient Removal 2009

Session 1 - Biological Phosphorus Removal

Enhanced Biological Phosphorus Removal by Glycerol Fermentation
pp. 1-5(5)
Authors: Yuan, Qiuyan; Sparling, Richard; Oleszkiewicz, Jan

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Internal vs. External (Alternative) Carbon Sources for Denitrification and EBPR Accomplished by a Full-Scale Process Biomass
pp. 16-30(15)
Authors: Makinia, J.; Drewnowski, K. J.; Swinarski, M.; Czerwionka, K.

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Decoupling and Optimization of Both P and N Removal in an Advanced IFAS-EBPR-MBR System
pp. 43-62(20)
Authors: Majed, Nehreen; Onnis-Hayden, Annalisa; Welander, Thomas; Gu, April Z.

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Biological Phosphorus Removal: Impact of the Aerobic Phase on Modeling Continuous-Flow Systems
pp. 63-83(21)
Authors: Houweling, Dwight; Comeau, Yves; Takács, Imre; Dold, Peter

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Session 2 - Fixed Film/Hybrid Process Modeling & Mechanics

Nitrification and AOB/NOB Populations in Integrated Fixed Film Activated Sludge: Measurements and Modeling
pp. 84-96(13)
Authors: Kim, Hyun-su; Pei, Ruoting; Boltz, Joshua P.; Gellner, James; Gunsch, Claudia; Freudenberg, Robert G.; Dodson, Robert; Schuler, Andrew J.

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Evaluation of Nitrification Kinetics for a 2.0 MGD IFAS Process Demonstration
pp. 97-116(20)
Authors: Thomas, Wesley A.; Bott, Charles B.; Regmi, Puskar; Schafran, Gary; McQuarrie, Jim; Rutherford, Bob; Baumler, Rick; Waltrip, David

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Investigations of Nitrogen Removal Pathways in a Biological Packed Bed Reactor Using Elementary Mass Balances
pp. 117-135(19)
Authors: Albuquerque, Antonio; Makinia, Jacek; Pagilla, Krishna

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Kinetic/Half-saturation Coefficient Considerations for Post Denitrification MBBR
pp. 136-152(17)
Authors: Peric, Marija; Stinson, Beverley; Neupane, Dilli; Kharkar, Kathleen; Mokhayeri, Yalda; Carr, John; Minassian, Rouben Der; Murthy, Sudhir; Bailey, Walter

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Denitrification Stoichiometry and Kinetics of Moving Bed Biofilm Reactor
pp. 153-165(13)
Authors: Shrestha, Arbina; Riffat, Rumana; Bott, Charles; Takacs, Imre; Stinson, Beverley; Peric, Marija; Neupane, Dilli; Murthy, Sudhir

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Full Scale Evaluation, Modeling, and Optimization of Nitrate Removal through Continuously Backwashing Denitrification Filter
pp. 166-186(21)
Authors: Crosswell, Scott; Young, Thor; Tobocman, Dan; Cannon, John; Stulken, John; Sen, Dipankar; Ball, Curtis

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Pilot Study Confirms Design of IFAS System for Nitrogen Reduction in Connecticut
pp. 207-216(10)
Authors: Rupp, H.; Roy, G.; Tautic, B.; Bushey, J.

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Session 3 - Denitrification

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Phosphorous Requirements in a Post Denitrification MBBR at a Combined Limit of Technology Nitrogen and Phosphorous Plant
pp. 237-251(15)
Authors: Peric, Marija; Neupane, Dilli; Stinson, Beverley; Locke, Edward; Kharkar, Salil; Passarelli, Nicholas; Sultan, Martin; Shih, George; Murthy, Sudhir; Bailey, Walter; Carr, John; Der Minassian, Rouben

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Denitrification Rates: Sampling, Modeling and Design Considerations
pp. 252-276(25)
Authors: Phillips, Heather M.; Barnard, James L.; deBarbadillo, Chris; Shaw, Andrew R.; Steichen, Mark T.; Wallis-Lage, Cindy

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Investigation of the Nitrate Half Saturation Constant for Denitrification at the Blue Plains AWTP
pp. 277-285(9)
Authors: Hareendran, Rekha; Salam, Nazia; Riffat, Rumana; Bott, Charles; Takacs, Imre; Murthy, Sudhir

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The Fine Line Between Thorough Mixing and Energy Consumption
pp. 286-314(29)
Authors: Oton, Sonia M.; Gidugu, Srinivas D.; Carroll, Janice R.; Saurer, Paul D.; Fillos, John; Ramalingam, Krish; Kharkar, Salil M.; Der Minassian, Rouben; Osit, Matthew S.; Solimando, Daniel A.; Deur, Allen

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You Said How Many Sludges!? Modeling a Multiple Sludge System for Enhanced Nutrient Removal
pp. 338-350(13)
Authors: Frank, Kevin; Copp, John; Snowling, Spencer; Shirodkar, Nick

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Meeting the Low Total Nitrogen Discharge Limit Challenge using Advanced Biological Anoxic Filter
pp. 351-356(6)
Authors: Kaldate, Amit; Pham, Hao; Viswanathan, Sudhakar; Butler, Ralph; Kincheloe, Frederick M.; Watson, Clair L.

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Session 4 - Nitrogenous Greenhouse Gas Emissions

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Spatial and temporal variability in N2O generation and emission from wastewater treatment facilities
pp. 401-409(9)
Authors: Ahn, Joon Ho; Kim, Sungpyo; Park, Hongkeun; Katehis, Dimitrios; Pagilla, Krishna; Chandran, Kartik

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21st Century Sustainability Metrics: Assessing the Environmental Impacts of Wastewater Treatment
pp. 410-415(6)
Authors: Bilyk, Katya; Rohrbacher, Joe; Banerjee, Joyeeta; Henn, Brian; Mehrotra, Sandeep; Pitt, Paul

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

Comparative Study of On-line Instruments for Monitoring Low Nutrient Concentrations
pp. 416-436(21)
Authors: Neupane, D.; Peric, M.; Stinson, B.; Laquidara, M.; Kharkar, S.; Passarelli, N.; Murthy, S.; Bailey, W.; DerMinassian, R.; Sultan, M.

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Develop Control Strategy to Maximize Nitrogen Removal and Minimize Operation Cost in Wastewater Treatment by Online Analyzer
pp. 437-458(22)
Authors: Littleton, Helen X.; Daigger, Glen T.; Amad, Sam; Strom, Peter F.

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Evaluation of Phosphorus Removal by WWTP Effluent Filtration: 1-STEP© Filter Versus Dual Media Filtration
pp. 459-472(14)
Authors: Scherrenberg, S.M.; Neef, R.; Menkveld, H.W.H.; van der Graaf, J.H.J.M.

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DO Control Based on On-line Ammonia Measurement
pp. 473-488(16)
Authors: Kestel, Steven; Duffy, Gregory J.; Gray, Matthew; Stahl, Tilo; Lee, George

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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?
pp. 489-505(17)
Authors: Parker, Denny; Bott, Charles; Neethling, J. B.; Pramanik, Amit; Murthy, Sudhir

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Sustainability of Full-Scale Nutrient Removal Technologies
pp. 506-517(12)
Authors: Joh Kang, S.; Olmstead, Kevin P.; Takacs, Krista M.; Collins, James; Wheeler, James; Zharaddine, Philip

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Probabilistic WWTP Design and Upgrade in a Water Quality Based Regulation Context
pp. 518-545(28)
Authors: Benedetti, Lorenzo; Vanrolleghem, Peter A.

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Centrate Ammonia Reduction with ARP®: Pilot Data with Synthetic and Actual Wastewaters
pp. 546-555(10)
Authors: Orentlicher, Morton; Brown, Steven; Hall, Christopher

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Session 7 - Carbon Footprinting & Sustainable Design

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Sustainable Carbon Management at Treatment Facilities For Enhanced Nutrient Removal Using a Life Cycle Assessment Approach
pp. 565-578(14)
Authors: Banerjee, Joyeeta; Henn, Brian; Bilyk, Katya; Rohrbacher, Joe; Mehrotra, Sandeep

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Calculating the Carbon Footprint of Biological Nutrient Removal (BNR) Plants
pp. 579-590(12)
Authors: Hunt, Paul; Yen, Chiu Tze; Franklin, Brenda; Vermande, Stephanie; Wilson, Tom

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Continuous Backwash Filters: An Attractive Technology for Phosphorus Removal and Recovery, and Nitrate Reduction
pp. 591-618(28)
Authors: Sutton, Paul M.; Schraa, Oliver; Lancaster, Cory; Togna, Paul; Newcombe, Remembrance

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BOD and Total Nitrogen Removal from Wastewater Using Microbial Fuel Cells
pp. 619-631(13)
Authors: Shea, Caitlyn; Nerenberg, Robert

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Session 8 - Process Control - Beyond Real Time

A Five Year Case Study of a Feed Forward Nitrogen Reduction Process Control System
pp. 632-637(6)
Authors: Gray, Matthew; Serra, Marvin; Stahl, Tilo; Kestel, Steve

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Integration of Real Time Monitoring Technologies with Corrective Action Strategies to Detect, Monitor, and Mitigate Toxic Shock Events at Nutrient Removal Wastewater Treatment Plants
pp. 638-665(28)
Authors: Pinto, Ameet J.; Love, Nancy G.; Fairey, Andy; Earle, Jake; Washington, Patsy; Iler, Patty; Doane-Weideman, Tracy; Lagrange, Robert

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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
pp. 696-709(14)
Authors: Neethling, J.B.; Stensel, David; Parker, Denny; Bott, Charles; Murthy, Sudhir; Pramanik, Amit; Clark, Dave

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Reaching the Limits of Combined N & P removal in a Single Sludge System
pp. 710-724(15)
Authors: Stevens, Gerry; Bitcon, Rick

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WEF/WERF Cooperative Study of BNR Plants Approaching the Limit of Technology: II. Statistical Evaluation of Process Reliability
pp. 725-753(29)
Authors: Bott, Charles B.; Parker, Denny; Neethling, J. B.; Pramanik, Amit; Murthy, Sudhir

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Session 10 - Carbon Alternatives for Denitrification

Evaluating the Cost and Process Performance of Carbon Alternatives to Methanol
pp. 754-779(26)
Authors: Bilyk, Katya; Rohrbacher, Joe; Bruton, Theresa; Pitt, Paul; Latimer, Ron

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Making Waste Biosolids a Sustainable Organic Electron Donor for Denitrification Using Focused Pulsed Technology
pp. 780-789(10)
Authors: Alder, Jared M.; Lee, Il-Su; Parameswaran, Prathap; Rittmann, Bruce E.; Lopez, Ronald; Banaszak, James E.

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Ability of Specific Enriched Denitrifying Culture to Utilize Other Carbon Sources
pp. 799-814(16)
Authors: Cherchi, Carla; Onnis-Hayden, Annalisa; Gu, April Z.

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A Comparison of Operating Issues and Dosing Requirements for Alternative Carbon Sources in Denitrification Filters
pp. 815-829(15)
Authors: deBarbadillo, Christine; Miller, Paul; Ledwell, Sam

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Full-Scale Denitrification Evaluations using Sugar Water, Glycerin, and Methanol in Denitrification Filters and Activated Sludge
pp. 830-848(19)
Authors: Bilyk, Katya; Stone, Alan; Latimer, Ron; Pitt, Paul; Lynch, TJ; Mencome, Tony

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Secondary Impacts of Supplemental Carbon Addition to BNR/ENR Treatment Processes (EXTENDED ABSTRACT)
pp. 849-853(5)
Authors: Latimer, Ron; Pitt, Paul; Niekerk, Andre van; Bruton, Theresa; Dailey, Sarah; Grandstaff, James; Selock, Kevin

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Session 11 - Optimizing Suspended Growth Nitrification

The Impact of Degree of Recycle on the Nitrifier Growth Rate
pp. 854-867(14)
Authors: Jimenez, Jose A.; Melcer, Henryk; Parker, Denny S.; Bratby, John R.

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Accurately Modeling the Effect of Dissolved Oxygen on Nitrification
pp. 868-879(12)
Authors: Bratby, John; Parker, Denny

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Evaluation of Nitrification Inhibition Using Bench- Scale Rate Measurements
pp. 903-907(5)
Authors: Yi, Phill H.; Bott, Charles B.; Bilyk, Katya; Paul, Pitt; Stone, Alan; Balzer, Bill; Dano, J.

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Session 12 - Sidestream Struvite Recovery

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Implementation and Operating Data from the US's First Commercial Nutrient Recovery Plant
pp. 918-925(8)
Authors: Ahren, Britton; Rob, Baur; Ram, Prasad

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Controlling Magnesium and Phosphorus to Reduce Struvite Precipitation in Plant Processes and Increase Revenue
pp. 926-947(22)
Authors: Schauer, Peter; Baur, Rob; Barnard, James; Britton, Ahren

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A Sustainable BNR Solution Combines EBPR With Struvite Recovery to Reduce Cost and Energy and Increase Reliability
pp. 948-963(16)
Authors: Kabouris, J.C.; Engelmann, M.; Dulaney, J.A.; Narayanan, B.; Gillette, R.A.; Todd, A.C.

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Session 13 - BNR and ENR Case Studies

Achieving 3 mg/l Total Nitrogen in a Cold Climate Without Supplemental Carbon or Filtration
pp. 964-975(12)
Authors: Drainville, Marc R.; Brink, William P.; Edwards, Stephen J

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The Application of PAX Compounds for Microthrix Parvicella Foam Control in BNR Systems
pp. 976-985(10)
Authors: Melcer, Henryk; Robinson, Wayne; Jue, Paul; Doty, Jim; Yanasak, Jon; Land, Greg

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A 20 mgd BNR Pilot Program -A First Step to Comply with Florida 2008 Ocean Outfalls Elimination Rule
pp. 986-1001(16)
Authors: Griborio, Alonso; Harris, Robert; Bilyk, Katya; Pitt, Paul; Davis, Patrick; Aliseo, Ralph; Garcia, Alan; Baker, Jerry; Karda, Terry

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Design and Start-up of North America's First Sidestream Nitrogen Removal Plant
pp. 1002-1012(11)
Authors: Baker, Simon; Lee, Yoomin; Taniguchi, Doug; Szoke, Nicholas; Zaleski, Allan; Oleszkiewicz, Jan

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Performance of Clarifiers in BNR Plants, Design and Optimization – Four Case Studies
pp. 1013-1018(6)
Authors: Griborio, Alonso; Pitt, Paul; McCorquodale, J. Alex

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Performance of Clarifiers in BNR Plants, Design and Optimization – Four Case Studies
pp. 1019-1024(6)
Authors: Griborio, Alonso; Pitt, Paul; McCorquodale, J. Alex

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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
pp. 1025-1037(13)
Authors: Fitzpatrick, J.; Aoki, H.; deBarbadillo, C.; Kubota, A.; Omori, A.; Midorikawa, I.; Shimizu, T.

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Phosphorus and Nitrogen Profile Measurements to Understand, to Locate and to Deal with Phosphorus Limitation in a Fixed Bed Filter
pp. 1038-1049(12)
Authors: Scherrenberg, S.M.; Neef, R.; Menkveld, H.W.H.; van der Graaf, J.H.J.M.

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Low Phosphorus Analytical Measurement Study
pp. 1050-1077(28)
Authors: Eleuterio, Lazaro; Neethling, JB.

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Operational Impact of Phosphorus Removal Using Ferric Chloride on Anaerobic Digesters and Dewatering
pp. 1078-1084(7)
Authors: Lee, Yoomin; Baker, Simon; Wang, Li; Gibson, Dwight; Amos, John; Zaleski, Al

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Session 15 - Regulatory Evolving Initiatives

Evaluation of NRDC Secondary Treatment Rule Petition: End Running the TMDL Process
pp. 1085-1097(13)
Authors: Hall, John C.; Rosenman, Phil; Cohen, Gary B.

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Thirty-six Years after the Clean Water Act – Time for a New Regulatory Framework
pp. 1098-1109(12)
Authors: Muirhead, Woodie Mark; Baur, Rob; Darr, Mary; Farmer, Greg; Jimenez, Jose; Schutz, Wayne; Taylor, Ron

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Session 16 - Organic Nitrogen

DON and CON in Seven BNR Wastewater Treatment Plants' Processes and Effluents
pp. 1110-1116(7)
Authors: Sattayatewa, Chakkrid; Dubanowitz, Natalie; Pagilla, Krishna; Sharp, Robert; Pitt, Paul; White, Chris; Bruton, Theresa

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Biodegradability of Effluent Dissolved Organic Nitrogen: Impacts of Treatment Technology, Process Variables, and Other Effluent Water Quality Parameters
pp. 1117-1126(10)
Authors: Sharp, Robert; Dubanowitz, Natalie; Sattayatewa, Chakkrid; Pagilla, Krishna; Murthy, Sudhir; Pitt, Paul

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Transformations of Dissolved and Colloidal Organic Nitrogen in Biological Nutrient Removal Activated Sludge Systems
pp. 1127-1139(13)
Authors: Czerwionka, K.; Makinia, J.; Pagilla, K. R.; Drewnowski, J.

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Impact of Membranes on Refractory Dissolved Organic Nitrogen
pp. 1140-1149(10)
Authors: Kim, MinGu; Nakhla, George

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Assessing the Bioavailability of Effluent Organic Nitrogen (EON) Using a Suite of Water Quality-Based Assays
pp. 1150-1168(19)
Authors: Bronk, Deborah A.; Mulholland, Margaret R.; Love, Nancy G.; Roberts, Quinn; Filippino, Katherine C.; Canuel, Elizabeth

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

Optimization of Biological Nutrient Removal Processes at Long Creek and Crowders Creek WWTPs
pp. 1169-1182(14)
Authors: Scheringer, S.; Cummings, L.; Shellenbarger, D.; deBarbadillo, C.; Knosby, M.

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Optimizing Nitrogen and Phosphorus Removal At The Broad Run Water Reclamation Facility
pp. 1183-1193(11)
Authors: Canham, B.; Rumke, M.; Broderick, T.; Fonseca, A.; Daigger, G. T.; Johnson, N.; Lynch, D.

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Full-Scale Design Challenges for the James River Treatment Plant Ifas Improvements Project: Using a Demonstration Scale Project to Optimize Final Design
pp. 1211-1224(14)
Authors: McQuarrie, James; Waltrip, David; Rutherford, Robert; Thomas, Wesley; Bott, Charles; Baumler, Rick; Katehis, Dimitrios

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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
pp. 1225-1254(30)
Authors: Stinson, B.; Peric, M.; Neupane, D.; Laquidara, M.; Locke, E.; Murthy, S.; Bailey, W.; Kharkar, S.; Passarelli, N.; Derminassian, R.; Carr, J.; Sultan, M.; Shih, G.; Barnard, J.; Daigger, G.; Parker, D.; Randall, C.; Wilson, T.

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A Hybrid Suspended Growth/RBC Nitrogen Removal Process At Wallingford, Connecticut
pp. 1255-1276(22)
Authors: Bradstreet, Kenneth A.; Smith, Terry; Sullivan, Daniel; Maloney, Kim

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Membrane Aerated Biofilms: Who is There, What are They Doing, and Why are They Beneficial
pp. 1277-1281(5)
Authors: Downing, Leon S.; Nerenberg, Robert

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Using modeling to optimize a full-scale WWTP for energy reduction and increased biological nitrogen removal
pp. 1282-1285(4)
Authors: Corominas, Lluís; Subiranas, Joan; Comas, Joaquim; Vanrolleghem, Peter A.; Rieger, Leiv; Poch, Manel

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