Dwight Houweling, Ph.D., P.Eng.

Contact Information

Professor Dwight Houweling
Department of Civil, Geological and Mining Engineering
Polytechnique Montréal
CP 6079 Succursale Centre-ville
Montréal, Québec, Canada H3C 3A7
Phone: +1-514-340-4711 ext. 4625
dwight.houweling@polymtl.ca

Social Media

LinkedIn
ResearchGate

Languages

English: Reading, Writing, Spoken, and Listening
French: Reading, Writing, Spoken, and Listening

Education

Professional Orders

Profile

Research Keywords: wastewater, nitrification, nitrous oxide, modelling, membrane aerated biofilm reactors, nutrients, greenhouse gases, granular sludge, lagoons

Employment

Supervision of Students and Post-doctoral Fellows

Professional Leadership and Contributions

Member Organizations

Presentations

  1. Houweling, D. (2024) MABR modeling framework. WEF Innovations in Treatment Technology. Virginia Beach, VA. May 2024.
  2. Houweling, D., Astrand, N., Long, Z., Reeve, M., Donnaz, S. (2023) Sludge Densification and 0d Models: An evaluation of capabilities and limitations for practitioners. WEF Innovations in Process Engineering. Portland, OR, June 2023.
  3. Houweling, D. (2024) MABR modeling framework. WEF Innovations in Treatment Technology. Virginia Beach, VA. May 2024.
  4. Houweling, D., Astrand, N., Long, Z., Reeve, M., Donnaz, S. (2023) Sludge Densification and 0d Models: An evaluation of capabilities and limitations for practitioners. WEF Innovations in Process Engineering. Portland, OR, June 2023.
  5. Frank, K., Houweling, D., Pugh, L., Horner, K. (2023) Process Modeling of Pulp and Paper Wastewater Treatment Ponds. Water Environment Federation Exhibition and Conference (WEFTEC) 2022, Chicago, IL, Oct 2023.
  6. Houweling, D., Brian, K. (2022) An integrated model for waste stabilization pond practitioners. 13th IWA Specialist conference on Wastewater Ponds and Algal Technologies, Melbourne, AU, July, 2022.
  7. Houweling, D., Alam, Z., Donnaz, S. (2022) Predicting Densification Index (DI), SVI and Clarifier Performances In Continuous Flow Bioreactors: Modeling Approach for Municipal WWTPs. Water Environment Federation Exhibition and Conference (WEFTEC) 2022, New Orleans, LA, Oct 8-12, 2022.
  8. Houweling, D., Uri, N., di Pofi, M., Baumgarten, S., Coutts, D., Guglielmi, G., Peeters, J., Kaldate, A. (2021) Eliminating N2O Emissions to Zero: ZeeLung™ MABR Shows the Way. Water Environment Federation Exhibition and Conference (WEFTEC) 2021, Chicago, IL, Oct 2021.
  9. Long, Z., Downing, L.S., Houweling, D., Ireland, J., Peeters, J., Coutts, D., Reeve, M. (2021) Side-stream Nitrogen Removal in Membrane Aerated Biofilm Reactor: NOB Suppression and Techno-economic Analysis. Water Environment Federation Exhibition and Conference (WEFTEC) 2021, Chicago, IL, Oct 2021.
  10. Long, Z., Houweling, D., Ireland, J., Peeters, J., Coutts, D., Reeve, M. (2020) ‘ZeeNAMMOX™: Cracking the Code on Resilient and Cost-effective Side-stream Nitrogen Removal’. In: Innovations in process engineering 2021. Virtual conference.
  11. Houweling, D., Rieger, L., Peeters, J., Kagansky, J., Stock, G. (2020) Exhaust Gas Monitoring from MABR: A New Alternative for Biological Process Control. Water Environment Federation Exhibition and Conference (WEFTEC) 2020, New Orleans, LA, Oct 2020.
  12. Coutts, D., Di Pofi, M., Baumgarten, S., Guglielmi, G., Peeters, J., Houweling, D. (2020) Side-Stream Treatment with Membrane Aerated Biofilm Reactors – the Simple, Robust and Energy Efficient Path. In: Proceedings of Nutrient Removal and Recovery Conference 1–3 September 2020, Helsinki, Finland.
  13. Sathyamoorthy, S., Tse, Y., Gordon, K., Houweling, D., Coutts, D. (2019) BNR Process Intensification using Membrane Aerated Biofilm Reactors. Water Environment Federation Exhibition and Conference (WEFTEC) 2019, Chicago, IL, Oct 2019.
  14. Peeters, J., Houweling, D., Shaw, A.R., Christenson, D., Stadler, L. (2019) MABR: A New Choice for Resilient Wastewater Treatment. Water Environment Federation Exhibition and Conference (WEFTEC) 2019, Chicago, IL, Oct 2019.
  15. Houweling, D., Bagchi, S., Sathyamoorthy, S., Gordon, K., Coutts, D., Tse, Y. (2019) Do You Really Need Five Days for Nutrient Removal? Intensifying BNR Using a MABR. Water Environment Federation Exhibition and Conference (WEFTEC) 2019, Chicago, IL, Oct 2019.
  16. Houweling, D., Dagnew, M., Mehrabi, S. (2019) Evaluating the Impact of Biofilm Scouring Intensity and Organic Carbon on Mainstream Nitrite Shunt Process: MABR Pilot Study. Water Environment Federation Exhibition and Conference (WEFTEC) 2019, Chicago, IL, Oct 2019.
  17. Sathyamoorthy, S., Bagchi, S., Coutts, D., Gordon, K., Houweling, D. (2018) A Pilot Scale Evaluation of Membrane Aerated Biofilm Reactor (MABR) technology for Biological Nutrient Removal Process Intensification. Nutrient Removal and Recovery Symposium. Raleigh, NC, June 2018.
  18. Mehrabi, S., Dagnew, M., Houweling, D. (2018) Impact of MABR biofilm scouring on startup of mainstream nitritation process. WEAO 2018 technical conference, London, Ontario.
  19. Underwood, A., McMains, C., Coutts, D., Peeters, J., Ireland, J., Houweling, D. (2018) Design and Startup of the First Full-Scale Membrane Aerated Biofilm Reactor in the United States. Water Environment Federation Exhibition and Conference (WEFTEC) 2018, New Orleans, LA, Oct 2018.
  20. Sunner, N., Long, Z., Houweling, D., Monti, A., Peeters, J. (2018) MABR as a low-energy compact solution for nutrient removal upgrades — results from a demonstration in the UK. Water Environment Federation Exhibition and Conference (WEFTEC) 2018, New Orleans, LA, Oct 2018.
  21. Houweling, D., Long, Z., Peeters, J., Adams, N., Côté, P., Daigger, G.T., Snowling, S. (2018) Nitrifying below the “Washout” SRT: Experimental and Modelling Results for a Hybrid MABR / Activated Sludge Process. Water Environment Federation Exhibition and Conference (WEFTEC) 2018, New Orleans, LA, Oct 2018.
  22. Houweling, D., Peeters, J., Côté, P., Long, Z., Adams, N. (2017) Proving Membrane Aerated Biofilm Reactor (MABR) Performance and Reliability: Results from Four Pilots and a Full-Scale Plant. Water Environment Federation Exhibition and Conference (WEFTEC) 2017, Chicago, IL, Oct 2017.
  23. Martin, K., Sathyamoorthy, S., Houweling, D., Long, Z., Peeters, J., Snowling, S. (2017) A Sensitivity Analysis of Model Parameters Influencing the Biofilm Nitrification Rate: Comparison between the Aerated Biofilm Reactor (MABR) and Integrated Fixed Film Activated Sludge (IFAS) Process. Water Environment Federation Exhibition and Conference (WEFTEC) 2017, Chicago, IL, Oct 2017.
  24. Peeters, J., Long, Z., Houweling, D., Côté, P., Daigger, G.T., Snowling, S. (2017) Nutrient Removal Intensification with MABR – Developing a Process Model Supported by Piloting. WEF Nutrient Symposium. Fort Lauderdale, FL, June 2017.
  25. Houweling, D., Peeters, J., Zebo, L., Cote, P., Dagnew, M. (2017) Membrane aerated biofilm reactor performance sensitivity to operating conditions. 10th International conference on biofilm reactors, 9-12 May, Ireland.
  26. Willoughby, A., Houweling, D., Constantine, T., Yin, H., Havsteen, L., Uri, N., Chandran, K., Li, Z. (2016) Protocols for researching the impact of sludge granulation on BNR processes. Water Environment Federation Exhibition and Conference (WEFTEC) 2016, New Orleans, LA, Oct 2016.
  27. Constantine, T., Sandino, J., Houweling, D., Stephan, S., Yin, H., Nielsen, P. (2016) Incorporating Leading Edge Mainstream Deammonification into Full-scale Advanced BNR Facilities. Water Environment Federation Exhibition and Conference (WEFTEC) 2016, New Orleans, LA, Oct 2016.
  28. Yin, H., Sanjines, P., Houweling, D., Willoughby, A., Chandran, K., Li, Z. (2016) Sidestream Deammonification Startup - Overcoming Challenges in Centrate Pretreatment Process. WEF Residuals and Biosolids. April 2016, Milwaukee, WI.
  29. Sandino, J., Willoughby, A., Houweling, D., Havsteam, L., Nielsen, P., Constantine, T. (2016) Improved Settleability in a BNR Process From Hydrocyclone-induced Biomass Granulation. Water Environment Federation Exhibition and Conference (WEFTEC) 2016, New Orleans, LA, Oct 2016.
  30. Houweling, D., Constantine, T., Eriksen, S., Uri, N., Andersen, M.H. (2016) N2O emissions from sidestream deammonification: using latest generation models to guide optimization. Water Environment Federation Exhibition and Conference (WEFTEC) 2016, New Orleans, LA, Oct 2016.
  31. Houweling, D., Constantine, T., Sandino, J., Chandran, K., Steen, C., Eriksen, S., Havsteen, L., Uri, N., Nielsen, P. (2015) Low Energy and No External Carbon Nitrogen Removal Using Optimized Process Control Strategies. Water Environment Federation Exhibition and Conference (WEFTEC) 2015, Chicago, IL, Oct 2015.
  32. Constantine, T., Houweling, D., Sanjines, P., Sandino, J. (2015) Seeing Red, but ‘in the Black’ – Diverse Case Studies Demonstrate Substantial Cost Savings by Converting to Deammonification. WEF Nutrient Symposium. San Jose, CA, July 2015.
  33. Sharp, R., Galst, S., Houweling, D., Jones, R., Du, W., Deur, A., Beckmann, K. (2014) Modeling Glycerol Acclimated Biomass: Using BioWin Add-On to Model the Nitrite Lock. Water Environment Federation Exhibition and Conference (WEFTEC) 2014, Orlando, FL, Oct 2014.
  34. Erdal, Z., Constantine, T., Houweling, D. (2014) Not “Rolling the Dice”: A Structured Approach to Starting Up Two Large MBR Facilities in the Las Vegas. AWWA Membrane Technology Conference and Exposition (AWWA/AMTA) Las Vegas, NV, USA, January 2014.
  35. Johnson, B.R., Culp, G., Neethling, J.B., Houweling, D., Moss, D. (2013) Water Environment Federation Exhibition and Conference (WEFTEC) 2013, Chicago, IL, Oct 2013.
  36. Constantine, T., Houweling, D., Kraemer, J. (2012) “Doing the Two-Step” – Reduced Energy Consumption Sparks Renewed Interest in Multistage Biological Treatment. Water Environment Federation Exhibition and Conference (WEFTEC) 2012, New Orleans, LA, Oct 2012.
  37. Mansour-Geoffrion, M., Dold, P.L., Houweling, D., Lamarre, D., Gadbois, A., Déléris, S., Comeau, Y. (2011) Hydrocycloning Influent, Mixed Liquor or Return Activated Sludge for Best Grit Removal and Sludge Production Reduction. Water Environment Federation Exhibition and Conference (WEFTEC) 2011, Los Angeles, CA, Oct 2011.
  38. Conidi, D., Parker, W., Houweling, D., Smith, S., Seto, P., Murthy, S. (2011) Phosphate Uptake in Co-precipitation Systems Targeting Low Phosphate Concentrations. Water Environment Federation Exhibition and Conference (WEFTEC) 2011, Los Angeles, CA, Oct 2011.
  39. Houweling, D., Dold, P., Barnard, J. (2010) Theoretical Limits to Biological Phosphorus Removal: Rethinking the Influent COD:N:P Ratio. Water Environment Federation Exhibition and Conference (WEFTEC) 2010, New Orleans, LA, Oct 2010.
  40. Barnard, J., Houweling, D., Analla, H., Steichen, M. (2010) Fermentation of Mixed Liquor for Phosphorus Removal. Water Environment Federation Exhibition and Conference (WEFTEC) 2010, New Orleans, LA, Oct 2010.
  41. Liu, L., Smith, D.S., Houweling, D., Neethling, J.B., Stensel, H.D., Murthy, S., Pramanik, A., Gu, A.Z. (2010) Comparison of Phosphorus Fractionation in Effluents from Different Wastewater Treatment Processes. Water Environment Federation Exhibition and Conference (WEFTEC) 2010, New Orleans, LA, Oct 2010.
  42. Shaw, A., Coleman, P., Nolasco, D., Rosso, D., Yuan, Z., van Loosdrecht, M.C.M., Shiskowski, D., Chandran, K., Houweling, D., Willis, J., Beecher, N., Corominas, Ll., Siegrist, H., Porro, J., Nopens, I. (2010) Workshop Summary: The Role of Modeling in Assessing Greenhouse Gas (GHG) Emissions. Water Environment Federation Exhibition and Conference (WEFTEC) 2010, New Orleans, LA, Oct 2010.
  43. Kinnear, D., Nopens, I., Pellegrin, M.-L., Maere, T., Nolasco, D., Glassen, R., Insel, G., Amerlink, Y., Bailey, E., Belia, E., Takacs, I., Houweling, D., Causey, P., Giardina, R., Murthy, S., Vanrolleghem, P., Barnard, J., Melcer, H., Krauth, P., Reardon, R., Neethling, J.B. (2010) Membrane Bioreactor Life-Cycle Cost Assessment Simulation: Digital Game-Based Learning. Water Environment Federation Exhibition and Conference (WEFTEC) 2010, New Orleans, LA, Oct 2010.
  44. Houweling, D., Fairlamb, M., Dold, P. (2010) Scope 1 GHG Emissions from Wastewater Treatment Plants Using Dynamic Modeling. Water Environment Federation Exhibition and Conference (WEFTEC) 2010, New Orleans, LA, Oct 2010.
  45. Houweling, D., Comeau, Y., Takacs, I., Dold, P. L. (2009) Biological phosphorus removal impact of the aerobic phase on modeling continuous-flow systems. Water Environment Federation / IWA, Nutrient Removal Conference, Washington, D.C., June 2009.
  46. Houweling, D., Comeau, Y., Takacs, I., Dold, P. L. (2009) Uncertainty and variability in EBPR stoichiometry consequences for process modelling and optimization. 2nd IWA Specialized Conference, Krakow, Poland, September 2009.
  47. O'Shaughnessy, M., Sizemore, J., Musabyimana, M., Sanjines, P., Murthy, S., Wett, B., Takács, I., Houweling, D., Love, N.G., Pallansch, K. (2008) Operations and process control of the deammonification (DEMO) process as a sidestream option for nutrient removal. Water Environment Federation Exhibition and Conference (WEFTEC) 2008, Chicago, IL, Oct 2008.
  48. Parker, W., Jones, R., Zhu, H., Houweling, D., Murthy, S., Rupke, M. (2008) Tools for Modeling Sludge Digestibility. WEF Residuals and Biosolids Conference.
  49. Houweling, D., Bye, C., Comeau, Y. (2008) Process Modeling of Aerated Facultative Lagoon Systems: opportunity for wastewater treatment practitioners to develop and evaluate cost-effective and environmentally sustainable technologies.

Publications

Scientific Papers

  1. Tafti, A.R.D., Houweling, D., Perron, J.-M., Bencsik, D., Johnson, T., Vanrolleghem, P.A., Comeau, Y. (2024) Towards a Modelling Framework for Nature-based Solutions in Wastewater Treatment. Water Science & Technology. Water Science & Technology 90(9) DOI: 10.2166/wst.2024.235
  2. Daigger, G.T., Kuo, J., Derlon, N., Houweling, D., Jimenez, J.A., Johnson, B.R., McQuarrie, J.P., Murthy, S., Regmi, P., Roche, C., Sturm, B., Wett, B., Winkler, M., Boltz, J.P. (2023). Biological and Physical Selectors for Mobile Biofilms, Aerobic Granules, and Densified-Biological Flocs in Continuously Flowing Wastewater Treatment Processes: A State-of-the-Art Review. Water Research, 242(5):120245. DOI: 10.1016/j.watres.2023.120245
  3. Yang, C., Houweling, D., He, H., & Daigger, G.T. (2022). Available online sensors can be used to create fingerprints for MABRs that characterize biofilm limiting conditions and serve as soft sensors. Water Science and Technology, 86(9), 2270–2287. DOI: 10.2166/wst.2022.323
  4. Guglielmi, G., Coutts, D., Houweling, D., & Peeters, J. (2020). Full-scale application of MABR technology for upgrading and retrofitting an existing WWTP: Performances and process modelling. Environmental Engineering and Management Journal, October 2020.
  5. Mehrabi, S., Houweling, D., & Dagnew, M. (2020). Establishing mainstream nitrite shunt process in membrane aerated biofilm reactors: impact of organic carbon and biofilm scouring intensity. Journal of Water Process Engineering, 37, 101460.
  6. Long, Z., Oskouie, A., Kunetz, T.E., & Houweling, D. (2020). Simulation of Long-Term Performance of an Innovative Membrane-Aerated Biofilm Reactor. ASCE Journal of Environmental Engineering, 146(6).
  7. Nielsen, P.H., Sandino, J., Leth, M., Houweling, D. (2015). Achieving positive net energy in a nutrient removal facility: Optimizing the Ejby Molle WWTP. Water Practice & Technology, 10(2), 197-204. DOI: 10.2166/wpt.2015.020
  8. Ramdani, A., Dold, P., Gadbois, A., Deleris, S., Houweling, D., & Comeau, Y. (2012). Biodegradation of the Endogenous Residue of Activated Sludge in a Membrane Bioreactor With Continuous or on-Off Aeration. Water Research, 46(9), 2837-2850.
  9. Ramdani, A., Dold, P., Gadbois, A., Deleris, S., Houweling, D., & Comeau, Y. (2012). Characterization of the Heterotrophic Biomass and the Endogenous Residue of Activated Sludge. Water Research, 46(3), 653-668.
  10. Hu, Z., Houweling, D., Dold, P. (2012). Biological Nutrient Removal in Municipal Wastewater Treatment: New Directions in Sustainability. Journal of Environmental Engineering, 138(3), 307-317. DOI: 10.1061/(ASCE)EE.1943-7870.0000462
  11. Houweling, D., Wunderlin, P., Dold, P., Siegrist, H. (2011). N2O emissions: modeling the effect of process configuration and diurnal loading patterns. Water Environment Research, 83(12), 2131-9.
  12. Houweling, D., Comeau, Y., Takacs, I., & Dold, P. (2010). Uncertainty and variability in enhanced biological phosphorus removal (EBPR) stoichiometry: Consequences for process modelling and optimization. Water Science and Technology, 61(7), 1793-1800.
  13. Houweling, D., Comeau, Y., Takacs, I., & Dold, P. (2009). Comment on "Modelling the PAO-GAO competition: Effects of carbon source, pH and temperature" by Lopez-Vazquez, C.M., Oehmen, A., Hooijmans, C.M., Brdjanovic, D., Gijzen, H.J., Yuan, Z., van Loosdrecht, M.C.M. Water Research, 43(11), 2947-2949.
  14. Escalas-Canellas, A., Abrego-Gongora, C.J., Barajas-Lopez, M.G., Houweling, D., & Comeau, Y. (2008). A Time Series Model for Influent Temperature Estimation: Application to Dynamic Temperature Modelling of an Aerated Lagoon. Water Research, 42(10-11), 2551-2562.
  15. Houweling, D., Kharoune, L., Escalas, A., & Comeau, Y. (2008). Dynamic Modelling of Nitrification in an Aerated Facultative Lagoon. Water Research, 42(1-2), 424-432.
  16. Houweling, D., Chazarenc, F., Leduc, R., & Comeau, Y. (2007). Effect of baffles on nitrification in aerated facultative lagoons in a cold climate. Waste Stabilization Ponds VII: Water Science and Technology, 55(11), 73-79.
  17. Houweling, D., Monette, F., Millette, L., & Comeau, Y. (2007). Modelling Nitrification of a Lagoon Effluent in Moving-Bed Biofilm Reactors. Water Quality Research Journal, 42(4), 284-294.
  18. Houweling, C.D., Kharoune, L., Escalas, A., & Comeau, Y. (2005). Modeling ammonia removal in aerated facultative lagoons. Water Science and Technology, 51(12), 139-142.
  19. Desjardins, M.A., Cormier, J., Houweling, D., & Comeau, Y. (2005). Modélisation de l'enlèvement de l'azote ammoniacal dans les étangs aérés. Vecteur Environnement, 38(4), 30-40.

Reports

  1. Water Research Foundation (WRF) Project U1R14: Balancing Flocs and Granules For Activated Sludge Process Intensification in Plug Flow Configurations. Co-author (2019).
  2. Water Environment Research Foundation (WERF) Report NUTR1R06l: PHOSPHORUS FRACTIONATION AND REMOVAL IN WASTEWATER TREATMENT – IMPLICATIONS FOR MINIMIZING EFFLUENT PHOSPHORUS. Co-author (2014).

Book Chapters

  1. Manual of Practice No. 35 (MOP35) (in progress). Co-author with Jeff Peeters of the new chapter on Membrane Aerated Biofilm Reactors (MABR). Water Environment Federation (WEF), Alexandria, VA.
  2. Shortcut Nitrogen Removal – Nitrite Shunt and Deammonification (2015). Water Environment Federation (WEF), Alexandria, VA. Co-author with Tim Constantine of the chapter on nitrogen removal.

Books

  1. Houweling, D., & Daigger, G. T. (2020). Intensifying Activated Sludge Using Media-Supported Biofilms. CRC Press, Taylor & Francis Group, Boca Raton, FL, 144 p.

Intellectual Property

Patents

  1. WASTEWATER TREATMENT WITH SUSPENDED GROWTH AND MEMBRANE AERATED BIOFILM
    Patent number: 11673820, Type: Grant, Filed: June 27, 2018, Date of Patent: June 13, 2023
    Inventors: Dwight Cornelius Houweling, John David Ireland, Douglas Joseph Thompson, Jeffrey Gerard Peeters
  2. PROCESS AND APPARATUS FOR NITRITATION USING MEMBRANE AERATED BIOFILM REACTOR
    Publication number: 20230079372, Type: Application, Filed: February 10, 2021, Publication date: March 16, 2023
    Inventors: John David Ireland, Zebo Long, Daniel Coutts, Dwight Cornelius Houweling, Jeffrey Gerard Peeters, Moreno Di Pofi, Sven Baumgarten
  3. WASTEWATER TREATMENT WITH SUSPENDED GROWTH AND MEMBRANE AERATED BIOFILM
    Publication number: 20210253460, Type: Application, Filed: June 27, 2018, Publication date: August 19, 2021
    Inventors: Dwight Cornelius Houweling, John David Ireland, Douglas Joseph Thompson, Jeffrey Gerard Peeters
  4. PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMBRANE AERATED BIOFILM SIDESTREAM
    Publication number: 20210171375, Type: Application, Filed: May 11, 2018, Publication date: June 10, 2021
    Inventors: Dwight Cornelius Houweling, Douglas Joseph Thompson, Jeffrey Gerard Peeters

Teaching

Representative Design Projects

Conceptual Design of Incinerators 1 and 2
Duffin Creek WPCP, Pickering, ON, 2016
Development of the design basis for the replacement of existing incinerators, energy balancing including the use of natural gas, digester gas, and high-pressure steam as part of the energy recovery plan.

Capacity Study and Phosphorus Removal
Duffin Creek WPCP, Pickering, ON, 2016
Evaluation of capacity and risks using Monte Carlo analysis combined with dynamic simulations employing a state-of-the-art mechanistic model of phosphorus chemical precipitation to assess appropriate compliance limits in a 630 ML/d secondary treatment facility. Responsible for communicating results to senior management and the regulator.

Conceptual Design of a Water Resource Recovery Facility
West District WWTP, Miami-Dade, FL, 2015 CH2M HILL served as the program manager for this $1.4 billion project aimed at providing design and construction services for a new 386 ML/d water resource reclamation facility (WRRD). The baseline alternative for treatment includes advanced wastewater treatment to produce reusable quality effluent with resource recovery in the solids treatment train. Acted as the process lead in developing cost estimates for multiple design alternatives, coordinating site layout, and liaising with key equipment suppliers.

Anammox / Deammonification
Ejby Mølle WWTP, VCS Danemark, Denmark, 2013-2014
Technical expertise on deammonification technologies for digester centrate and secondary treatment for application at Ejby Mølle. Preparation of the request for proposals from technology suppliers and summary of results in a technical memorandum as the basis for selecting the digester centrate deammonification process. Development of the cost recommendation for the EssDE™ secondary treatment deammonification process at the Ejby Mølle WWTP.

Greenhouse Gas Optimization
Ejby Mølle WWTP, VCS Danemark, Denmark, 2015-2016
Provided modelling support to develop strategies to minimize N2O emissions from the sidestream deammonification process at the Ejby Mølle WWTP including development and application of latest-generation metabolic models of nitrification.

Anammox / Deammonification
Burlington Skyway WWTP, Region de Halton, Ontario, 2014
Selection of technology and conceptual design for the treatment of digester centrate in a 140 ML/d wastewater treatment plant.

Anammox / Deammonification
Guelph WWTP, Ontario, 2012-2016
Process engineer, Anammox treatment for digester centrate. Responsible for concept development, preliminary design, detailed design, and commissioning for a $5 million Anammox treatment construction project for the anaerobic digester filtrate load at a 64 ML/d plant. Responsibilities include process analysis/design, hydraulic works, process narratives, coordination with design disciplines, construction cost estimation, and commissioning activities.

WWTP Capacity Upgrade
Nonquon River WPCP, Region de Durham, Ontario, 2012-2016
Process engineer for the preliminary and detailed design of a $22 million construction project for a new 5.9 ML/d activated sludge treatment facility. Responsibilities include process analysis/design, hydraulic works, process narratives, coordination with design disciplines, cost estimations, and preparation of equipment prequalification documents.