7th International Conference on Sewer Processes and Networks

Preliminary Conference Programme

Tuesday the 27th of August

16.00 Registration opens
17:30 – 19:00 Sewer Processes and Networks Working Group Meeting
19:00 – 20:00 Informal drinks reception

Wednesday the 28th of August

8:00-10:00 Registration opens
8:30 Conference opening speech
8:40 Keynote speech: Sewer Processes in the Rear-view Mirror and through the Windscreen. Thorkild Hvitved-Jacobsen

Session 1: Design and operational aspects
9:50 Risk assessment of sewer condition using artificial intelligence tools: Application to the SANEST sewer system. V. Sousa, J. P. Matos, N. Almeida, J. Saldanha Matos
10:10 Choice infrastructure: non-engineering strategies for behaviour change around domestic water and sewerage use. P. G. Raven, J. Machell, J. Boxall

10:30 Coffee break

Session 2: In sewer processes
11:00 Colonisation of Sulfide and Methane-producing biofilms during sewer start up . J. Batista, O. Auguet, M. Pijuan, C. Borrego, O. Gutierrez
11:20 Hydrogen sulfide gas emission at turbulent conditions – an experimental approach for free-fall drops. N. M. Matias, J. S. Matos, J. Alves, F. Ferreira
11:40 Reduced Sulfur Compounds (RSCs) in the Atmosphere of Sewer Networks in Australia: Geographic Variations. B. Wang, E.C. Sivret, G. Parcsi, N.M. Le, S. Kenny, H. Bustamante, R.M. Stuetz
12:00 Estimate the sulfide accumulation and control in sediment of sewer system. Yanchen Liu, Chen Wu, Qian Dong, Xiaohong Zhou, Hanchang Shi
12:20 Global sensitivity analysis of an in-sewer process model for the study of sulfide-induced corrosion of concrete. B.M.R. Donckels, S. Kroll, M. Van Dorpe, M. Weemaes

12:40 Lunch – Sponsored by Clear Environmental

Session 3a: In sewer processes
14:00 Life Cycle Assessment of urban wastewater systems: identifying the importance of the environmental impacts of sewer systems. O. Gutierrez, P. Roux, E. Risch, C. Boutin, L. Corominas
14:10 Effects of sewer conditions on the dissipation of illicit drug residues and metabolites in wastewater. G. Jiang, P. K. Thai, W. Gernjak, Z. Yuan, J. F. Mueller
14:20 Integrated operation strategy of sewer system and WWTP based on the flow control coupled with the evaluation of wastewater quality variation. He Jing, Yanchen Liu, Mingkai Zhang, Yong Qiu, Hanchang Shi
14:30 Response of algae to sewer misconnection effluents. D. M. Chandler, P. H. Warren, L. L. Maltby, D. N. Lerner
14:40 Electrochemical sulfide abatement in sewer networks:towards practical imlementation. I. Pikaar, J. Keller, K. Rabaey, Z. Yuan.

Session 3b: Sewer system impacts
14:00 A new ‘critical’ storm profile for use in urban drainage modelling. P. Davies, L. Hancock
14:10 Simple modifications in a CSO chamber with highly supercritical conditions to assess the discharge using only water level measurements. S. Isel, M. Dufresne, C. Tingaud, J. Vazquez
14:20 Technical and economical evaluation of combined and separate sewerage systems due to different scenarios of topography, rainfall and population density. K. Boehler, I. Volschan Jr., M.G. Miguez
14:30 Strategies and Make or Buy Decisions in Sewer Operation and Maintenance. Th. Ertl, M. Wolf, H. Plihal, F. Kretschmer
14:40 Bridging the gap between sewer status and new sewer inputs: A decision support tool to predict the effect of food waste disposers’ effluent on small-diameter sewers. J. Mattsson, A. Hedström, M. Viklander

14:50 Coffee break

Session 4: In-sewer processes
15:30 Erosion resistance and behaviour of highly organic in-sewer sediment. I. Seco, M. Gómez Valentín, A. Schellart, S. Tait
15:50 The impact of fat, oil, and grease deposits on the performance of sanitary sewers. J. Dirksen, E. J. Baars, J. G. Langeveld, F. H. L. R. Clemens
16:10 Mobilized pollution indicators in a combined sewer system during rain events. H. Del Río, J.Suárez, J. Puertas, P. Ures, A. Jácome, J. Anta
16:30 Assessment of the effects of greywater reuse on gross solids movement in sewer system. R. Penn, M. Schuetze, E. Friedler
16:50 Describing Bacterial Community Variations in Combined Sewers. H. S. Jensen, R Sekar, F. Larrarte, A. M. Osborn, C. A. Biggs, S. J. Tait
17:50 Bus transfer to Kelham Island Museum
18:30 Drinks reception at Kelham Island Museum Sponsored by EMS

Thursday the 29th of August

8:30 – 9:30 Registration
Session 5: Monitoring and new technologies
9:00 Impact of rainfall and model resolution on sewer hydrodynamics. G. Bruni, J.A.E. ten Veldhuis, F.H.L.R. Clemens
9:20 Low cost method for determining occurrence and duration of combined sewer overflows. A. Montserrat, O. Gutierrez, M. Poch, Ll. Corominas
9:40 Predicting CSO chamber depth using Artificial Neural Networks with rainfall radar data. S. R. Mounce, G. Sailor, W. Shepherd, J. Shucksmith, A. J. Saul
10:00 Improving rainfall nowcasting and urban runoff forecasting through dynamic radar-raingauge rainfall adjustment. S. Ochoa-Rodriguez, M. A. Rico-Ramirez, S.A. Jewell, A. N. A. Schellart
10:20 Combined sewer overflows in urban areas – interpreting and comparing European CSO monitoring result. A. Aarts, J. Langeveld, M.C. ten Veldhuis, L. Rietveld

10:40 Coffee break

Session 6 Sewer system impacts
11:10 Field-based quantification of the power of in-sewer treatment. T. D. Evans, M. Sandell, P. Andersson, Å. Wievegg
11:30 Do faecal indicator organisms exhibit a first foul flush in combined sewers? W.J. Shepherd, A.J. Saul, C.M. Stapleton, D. Kay, A. Phillips, D.N. Lerner, R.A. Falconer, B. Lin, G. Gao, G. Huang
11:50 Estimation of Hydraulic Loads to Determine Pollutant Emissions from Urban Areas. F. Kretschmer, L. Kolla, G. Gruber, T. Hofer, M. Clara, G. Windhofer, C. Scheffknecht, T. Ertl
12:10 The evaluation of rainfall influence on CSO characteristics: the Berlin case study. S. Sandoval, A. Torres, E. Pawlowsky-Reusing, M. Riechel, N. Caradot
12:30 The semi-sewer river: hydraulic backwater effects and CSO reverse flows in Central Brussels now shown to reduce deoxygenation impact further downstream. H.M. Le, D. Petrovic, M.A. Verbanck

12:50 Lunch Sponsored by Atkins

Session 7a:  In-sewer Processes and Design and Operational Aspects
14:10 Numerical modelling of air-water flow in a vertical drop manhole. V. Sousa, I. Meireles, J. Matos, M. C. Almeida
14:20 Lumped and distributed modelling of suspended solids in a combined sewer catchment in Santiago de Compostela (Spain). R. Hermida, J. Anta, H. Del Río, J. Suárez
14:30 Requirements for quality of monitoring data for water quality based RTC. P. van Daal-Rombouts, J. Langeveld, F. Clemens
14:40 Methods to accompany and evaluate planning of CSO treatment concepts for complex sewer systems. K. Klepiszewski, S. Seiffert, M. Regneri, E. Henry
14:50 Visual inspection According to EN 13508-2/A1 – A Simplified Approach for Condition Assessment. D. Schwarz, F. Kretschmer, H. Plihal, T. Ertl
15:00 A simulation model of storm water runoff with manhole cover blowouts and air compression in urban drainage sewer pipe systems. M. Watanabe, E. Tomochika, M. Azuma, Y. Sasaki, S. Sijapati, T. Fukuda, H. Nakano

Session 7b: In sewer processes
14:10 Biofilm Development and Hydraulic Conditions in Sewers. M.N. Pons, F. Larrarte, X. France, L. Lebouc, D. Mabilais, P. Augris
14:20 Definition of an appropriate cementitious material formulation for sewer networks. J. Herisson, M. Guéguen-Minerbe, E.D. van Hullebusch, T. Chaussadent
14:30 Gaseous nitrous oxide emissions as an in-sewer toxicity early warning. G. Black, M. Jones, N. Johnson, A. Nocker, G. Dotro
14:40 Effect of flow velocity on sulfide production by sewer biofilm. K. R. Sharma, N. Derlon, Z. Yuan
14:50 A Novel Model for Sewer Ventilation. E. D. Fuglsang, A. H. Nielsen, J. Vollertsen

Session 7c: Design and Operational Aspects and Monitoring and new Technologies
14:10 Sewer network renovations – where and when to renovate. T. Laakso
14:20 Bayesian model averaging approach for urban drainage water quality analysis. G. Freni
14:30 A multiple lines of evidence approach to indicate capture of lost urban streams and springs in combined sewers. A. T. Broadhead, R. Horn, D. N. Lerner
14:40 Local calibration for a UV/Vis spectrometer: PLS vs. SVM. A case study in a WWTP. A. Torres, M. Lepot, J.-L. Bertrand-Krajewski
14:50 Effect of sewer network enlargement on sulfide and methane emissions: a case study. O. Gutierrez, J. Batista, K. R. Sharma, M. Pijuan
15:00 Low cost on-line non-invasive sewer flow monitoring. A. Nichols, S. J. Tait, K. V. Horoshenkov, S. J. Shepherd, Yanmin Zhang

15:10 Coffee

Session 8 Design and operational aspects
15:40 A Bottom-up Approach to Estimate Dry Weather Flow in Minor Sewer Networks. J. A. Elías-Maxil, J. P. van der Hoek, J. Hofman, L. Rietveld
16:00 Dynamics of pollutant discharge in combined sewer systems during rain events: chance or determinism? A. Hannouche, G. Chebbo, C. Joannis
16:20 Study and Practice in China of A New Sewer Inspection and Assessment Method Combining Hand-held Camera and Closed Circuit Television. Y. J. WANG, J. E. ZUO, G. INIAL, L. L. GAN, F. VINCE, G. D. BAO
16:40 Physical and chemical parameters in wastewater and at the water-sediment interface in sewer network. T. Valeyre, B. Béchet, F. Larrarte
17:00 Hydraulics Characteristics of Tipping Sediment Flushing Gate. C.H.J. Bong, T. L. Lau, A. Ab. Ghani
17:20 Improvements in vortex flow control design to increase sewer network flood resistance. C. J. Newton, D. S. Jarman, F. A. Memon, R. Y. G. Andoh, D. Butler

18:20 Bus transfer
19:00 Conference dinner with drinks sponsored by Richard Allitt Associates Ltd

Friday the 30th of August

8:30 – 9:30 Registration

Session 9 Monitoring and new technologies
9:00 CCTV inspections: Quantification of protocol and inspector uncertainty. V. Sousa, F. M. Ferreira, I. Meireles, N. Almeida, J. Saldanha Matos
9:20 Innovative Sewer Inspection as a Basis for an Optimised Condition-Based Maintenance Strategy. H. Plihal, F. Kretschmer, D. Schwarz, Th. Ertl
9:40 Potential of laser scanning for assessing structural condition and physical roughness of concrete sewer pipes. N. Stanić, W.P.J. van der Schoot, B. Kuijer, J.G. Langeveld, F.H.L.R. Clemens
10:00 Coupling acoustic devices to monitor combined sewer networks sediment deposits. I. Carnacina, F. Larrarté
10:20 Effect of a deviation on flow rate measurements in sewer channel. A. El Bahlouli, C. Joannis and F. Larrarte
10:40 URANS Approach for Open Channel Bifurcation Flows Modelling. A. Momplot, G. Lipeme Kouyi, E. Mignot, N. Rivière, J.-L. Bertrand-Krajewski

11:00 Coffee

Session 10 Emerging issues and technologies
11:30 Misconnections to Surface Water Sewers in England and Wales: Are They a Serious Problem? J. B. Ellis
11:50 Brazilian Separate Sewerage Systems Expansion Faces the Challenge of New Alternative Engineering Solutions: How to Deal with Grit Contribution from Storm Sewers. I. Volschan Jr., E.P. Jordão
12:10 Sulfide control in sewers by intermittent dosing of free nitrous acid based chemicals: From scientific discovery to application. G. Jiang, A. Keating, S. Corrie, K. O’halloran, L. Nguyen, Z. Yuan
12:30 Impact of sewage heat extraction on waste water treatment plant performance and greenhouse gas emission. K.R.L. De Gussem, R. Smits, B.M.R. Donckels, M. Weemaes
12:50 Viability of Heat Recovery from Combined Sewers. M. Abdel-Aal, R.Smits, M. Mohamed, K.De Gussem, A. Schellart, S Tait

13:10 Lunch

Session 11a: In sewer processes
14:00 Demonstration of model parameter uncertainty of some common sewer sediment transport models. M.G. Haile, U. Dittmer, H. Steinmetz
14:10 Numerical investigations on the influence of hydraulic boundary conditions on the efficiency of sewer flushing. J. Schaffner, J. Steinhardt
14:20 Modelling the erosive effects of sewer flushing using different sediment transport formulas. R.H.S.M. Shirazi, A. Campisano, C. Modica, P. Willems, J. Berlamont
14:30 Effect of on/off pumping strategy on sewer sediment behaviour elucidated by high frequency monitoring at the treatment plant inlet. A. K. Sharma, J. Alferes, L. Vezzaro, C. Lamaire-Chad, C. Thirsing, P.A. Vanrolleghem, P.S. Mikkelsen
14:40 Impact of reduced water consumption on sulfide and methane production in rising main sewers. J. Sun, S. Hu, K. Sharma, H. Bustamante, Z. Yuan

Session 11b: In sewer processes and Monitoring and New Technologies
14:00 Use of Rhodamine WT tracer experiments to check and validate in-situ flow meters. M. Lepot, G. Lipeme Kouyi, J.-L. Bertrand-Krajewski
14:10 On the possibility of calibrating urban storm-water drainage models using gauge-based adjusted radar rainfall estimates. S. Ochoa-Rodriguez, L. Wang, N. Simões, C. Onof, C. Maksimovic
14:20 Research into suitable storm water runoff model for ungauged Algerian urban catchments. M. Boukhelifa, L. Ouerdachi, H. Boutaghane
14:30 Event-based characterisation of surface water runoff from an urban residential sewer separation scheme. D. T. Morgan, P. M. Johnston, L. W. Gill, P. G. Collins, K. Osei
14:40 Integrated urban wastewater systems: Prediction of particle settling velocity distributions along the sewer - retention tank - primary clarifier system. T. Maruéjouls, P. Lessard, P.A. Vanrolleghem

14:50 Coffee

Session 12 Monitoring and new technologies
15:20 Large-Scale Real-Time Hydraulic and Water Quality Monitoring of a Sewer Network in Europe’s 10th Largest City. P. J. Skipworth, A. Ghinea
15:40 The influence of local calibration on the quality of UV-VIS spectrometer measurements in urban stormwater monitoring. N. Caradot, H. Sonnenberg, M. Riechel, A. Matzinger, P. Rouault
16:00 Comparison of DFT and PCA/DFT as forecasting tools of absorbances time series received by UV-Visible probes installed in urban sewer systems. L. Plazas-Nossa, Andrés Torres
16:20 The performances of semi-distributed modelling in urban drainage: the trade-off between calibration on hydrological measurement and the inclusion of GIS data. C. Bonhomme, G. Petrucci
16:40 Potential source contributions and risk assessment of particulate-associated polycyclic aromatic hydrocarbons (PAHs) in size-fractionated road-deposited sediments. J. Zhang, P. Hua, P. Krebs
17:00 Multigas-sensor systems for sewer odour measurement – Evaluation of four different E-noses based on tests under realistic conditions. P. Rouault, T. Schwarzböck, M. Riechel, M. Frey, S. Giebel, F.-B. Frechen
17:20-17.30 Closing Session