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1 NORDIWA 2015 Nordic Wastewater Conference promoting the exchange of experience, knowledge and skills between the practitioners and scientists within wastewater management and technology Bergen, Norway November 4th 6th 2015 Programme

2 Programme Wednesday Nov 4th Registration Workshop YWP: Planning for the Future Lunch Welcome & Opening Session About IWA. Keith Robertson, IWA Coffee Break Keynote: Water utilities contribution to Circular Economy what can we achieve by nutrient recovery. Bruno Tisserand, EurEau. Innovation, green growth and export the role and responsibility of the utilities. Carl-Emil Larsen, Denmark Reinvestment challenges. Toril Hofshagen, Norway Quantifying the impact of high flow conditions on some Swedish Wastewater Treatment Plants. Ann Mattsson, Sweden. Pressures for more efficient waste water treatment in Finland. Ari Kangas, Finland Platform Presentation; Wastewater Treatment Plans On-line catchment simulator integration into wastewater treatment plant operation. Doug Lumley, Sweden Practical application of LCA for benchmarking of the environmental performance for the VEAS WWTP. Rune Holmstad, Norway Complete inhibition of the Activated Sludge due to industrial discharge A true story in our WWTP. Kristina Stark Fujii, Sweden Performance and operating experiences of the first full-scale Discfilter installation for advanced phosphorus removal in tertiary treatment in Scandinavia. Julia Rönneberg, Sweden Poster Presentation; Wastewater Treatment Plans Recycling phosphorus is not only a matter of solubility. Outi Grönfors, Finland Coffee Break Use of organic coagulants to increase primary sludge production and reduce the load on downstream biological nutrient removal (BNR) processes. Bjarne Paulsrud, Norway

3 Wednesday Nov 4th continued Platform Presentation; Stormwater Management The new guideline for maintenance and operation of stormwater ponds. Lise Melgaard, Denmark Poster Session Three steps for mitigating pluvial flooding in Oslo. Bent C. Braskerud, Norway Using SUDS as a tool when separating rainwater from wastewater in existing living areas. Anne Laustsen, Denmark Uncovering Oslo s lost rivers - a golden opportunity for realising the big cleanup. Tharan Fergus, Norway 1930 Welcome Reception

4 Thursday Nov 5th Platform Presentation Sewer Management Sphinx a decision support system for sewer asset management. Tuija Laakso, Finland Waste water tunnels in Oslo. Frode Hult, Norway Using distributed temperature sensing (DTS) to search for illicit connections. Kristian Kilsgaard Østertoft, Denmark New basin and tunnelling at Marselisborg. Ruben Lauridsen, Denmark Platform Presentation Management Alternative Stormwater Management. Sveinn Thorolfsson, Norway Guide for Occupational safety in Finnish water and waste water utilities. Saijariina Toivikko, Finland Internal benchmarking for reinvestment strategy planning. Emelie Alenius, Sweden The main bricks of the asset management system for Oslo Water and Sewerage Works portfolio of wastewater infrastructure. Jadranka Milina, Norway Poster Presentation Sewer Management Use of fiberoptic cables in the sewage to detect illicit connections. Jan Scheel, Denmark Coffee Break Benchmarking three different control strategies for hydrogen sulfide abatement in pressure mains. Martin Lyngsø, Denmark Poster Presentation Management Citizen involvement a new challenge and opportunity in water management. Anja Wejs, Denmark Economic analysis of source control systems for blackwater, grey water and food waste in urban areas. Hames Kjerstadius, Sweden Platform Presentation Management Hazard Analysis on Wastewater Systems. Mats Leth, Denmark How we develop research, development and education in atriple helix concept in southern Sweden. Karin Jönsson, Sweden Investment plan with 40 years perspective using Asset Management and the calculation of the long-term sustainable water tariff. Benny Nielsen, Denmark Urban Planning with the users in focus. Frida Syvertsen, Norway

5 Thursday Nov 5th continued Platform Presentation Biogas Production Dry digestion of dewatered digested sludge from at thermophilic temperature. Erik Nordell, Sweden Optimization of energy yield from waste water at WWTPs using on-line control of pre-filtration. Mikkel Mühle Poulsen, Denmark Installation of Sweden s first full scale thermal hydrolysis plant (THP) at the Sundet wastewater treatment plant in Växjö, Sweden. Anneli Andersson Chan, Sweden Experiences from five years of receiving external substrates at Himmerfjärden WWTP. Josefin Flodgren, Sweden Poster Presentation Management Using social media in climate adaptation projects. Mads Uhherby, Denmark Lunch Development of a baseline for ESCO financing of energy at wastewater treatment plants. Jeanette A. Madsen Poster Presentation Biogas Production Extended Retention Time in full scale anaerobic digestion at Himmerfjärden WWTP. Maximilian Lüdtke, Sweden Optimization Strategies for Ejby Mølle WWTP, Denmark. Mats Leth, Denmark Platform Presentation Micropollutants The CONTRIBUTION FROM HOUSEHOLD WASTEWATER-A summary of data collected between at the Henriksdal WWTP in Stockholm, Sweden and an overviewing comparison of some relevant studies. Maria Eriksson, Sweden Monitoring and occurrence of micropollutants in Finnish wastewater treatment plants. Niina Vieno, Finland Pilot-scale study of pharmaceutical reduction with ozone in 10 Swedish WWTP s. Filip Nilsson, Sweden Tekniska verken in Linköping targets pharmaceutical residues. Robert Sehlén, Sweden Poster Presentation Micropollutants Considerations for removal of micro pollutants at Swedish Wastewater Treatment Plants. Michael Cimbritz, Sweden Coffee Break Method for preventing metals from reaching the WWTP when flushing sewers with contaminated sediments. Emma Lilliesköld, Sweden Technical Tours 1900 Conference Dinner

6 Friday Nov 6th Platform Presentation Upgrading of Wastewater Treatment Plants Upgrading of 4 wwtps in Bergen at the same time from strategy to operation. Kristine Akervold, Norway Improving the capacity of the Käppala WWTP by using hydro-cyclones. Sari Vienola, Sweden Piloting disc filtration at Viikinmäki WWTP for effluent phosphorus < 0.1 mg(p) / l Anna Kuokkanen, Finland Stockholm's Future Wastewater Treatment, Building the World's largest MBR-plant. Niklas Dahlén & Jonas Grundestam, Sweden Platform Presentation Stormwater Management Copenhagen Cloudburst Management Plan: Identifying Solutions. Margit L. Christensen, Denmark Performance upkeep of 30 Swedish wet ponds for stormwater treatment. Godecke Blecken, Sweden Environmental pollutants in stormwater ponds and their effects on the residing aquatic ecosystems. Diana A. Stephansen, Denmark Integrated urban design and open storm drainage in our urban environments. Misagh Mottaghi, Sweden Poster Presentation Upgrading of Wastewater Treatment Plants Stockholm's Future Wastewater Treatment, Building the World's largest MBR-plant. Niklas Dahlén & Jonas Grundestam, Sweden Positive energy balance at Käppala wastewater treatment plant just the beginning. Maximilian Lüdtke,Sweden Coffee Break Poster Presentation Stormwater Management Modelling the effects of the joint occurrence of rainfall and snowmelt in urban catchments. Günther Leonhardt, Sweden

7 Friday Nov 6th continued Platform Presentation Nutrient Removal Biological phosphorus removal in a continuous biofilm process with possibilities for phosphorus recovery. Torgeir Saltnes, Norway Simulating the environmental impact of stricter nitrogen and phosphorous discharge criteria. Sofia Andersson, Sweden Anammox Side Stream Treatment of Reject Water using DEMON Process Full Scale Results. Per Overgaard Pedersen, Denmark Influence of aeration strategy on N2O emission and nitrite-oxidising bacteria repression in a mainstream nitritation-anammox MBBR. Sara Ekström, Denmark Platform Presentation Sewer Management and Stormwater Management Not only preventing backflows: Flap gates for the estimation of separate sewer overflow volumes. Oleksandr Panasiuk, Sweden Urban Climate Adaptation and Stormwater Planning: Creating green, water sensitive streets the Danish way. Søren Højmark Rasmussen, Denmark Separate sewer system, Aalborg city centre. Bo Laden and Johnny Kristensen, Denmark Poster Presentation Nutrient Removal Optimizing Nutrient Removal and Resource Efficiency at Suomenoja WWTP. Paula Lindell, Finland Mainstream deammonification with ANITA Mox process. Magnus Christensson, Sweden Poster Presentation Sewer Management and Stormwater Management Towards better practices for the detection of stormwater contamination by wastewater. Oleksandr Panasiuk, Sweden Lunch Open Format Data in Sewer Modeling Case HSY. Anssi Yrjölä, Finland Strategic work to combat inflow and infiltration: a case study at HSY, Finland Tiia Lampola, Finland Monitoring and control of urban water systems for future secure management. Simon Bengtsson, Sweden From Rowboat to Robot. Steinar Skogbrott, Norway

8 Friday Nov 6th continued Platform Presentation Stormwater Management Innovative solutions in Denmark s largest roadside rain garden project. Ole Munk Nielsen, Denmark Middelfart as a climate laboratory The Climate City and The Climate Waterfront the most beautiful climate adaption projects in Denmark. Allan Bruus, Denmark Sustainable stormwater management in historic Bergen multiple benefits of climate adaptation measures. Hans de Beer, Norway Platform Presentation Recycling Life cycle assessment of sludge management with phosphorus recovery in Sweden. Magdalena Svanström, Sweden Vacuum evaporation a novel nutrient recovery technology for reject water. Joakim Faxå, Denmark Commissioning Norway s First Bio-fertiliser Factory. Olav Marvik, Norway Closing of Conference, Award for best presentation, and welcome to NORDIWA 2017 The main language of the conference is Scandinavian. Presentations will therefore be held mainly in Scandinavian (Swedish, Norwegian and Danish) with simultaneous translation into English. Simultaneous translation will be available during all sessions apart for the following; Day 2: Management (morning) and WWTP - Biogas Day 3; SysStorm, SewSys & SysStorm and Recycling All workshop presentations will be presented in English.

9 Workshops during NORDIWA 2015 Wednesday Nov 4th Workshop for Young Water Professionals Planning for the Future Would you like to help shape the water sector of tomorrow?join us for an informal workshop, meet your fellow Nordic peers and help develop the YWP networks of the future Workshop on Sewer Management and Stormwater Management A Joint effort against misconnections. Benny Nielsen, Denmark Improvement of quality of sewerage and drainage renovations. Aino Pelto-Huikko, Finland Open floodways in urban areas. Jon Røstum, PhD, Norway Handling of the utilities data from the CCTV-inspection to the actual renewable project. Peter Hjortdal, Denmark Multidisciplinary climate change adaptation in urban areas. Sonia Sørensen, Denmark Workshop on Wastewater Treatment Plants Start-up of Anaerobic MBR on low-strength industrial wastewater at 25 C. Hamse Kjerstadius, Sweden Compact wastewater treatment implications on biogas production. Åsa Davidsson, Sweden Aerobic granular sludge treatment in Strömstad. Mark de Blois, Sweden Low Energy and No External Carbon Nitrogen Removal Using Optimized Process Control Strategies. Mads Leth, Denmark New innovative MBR technology used for upgrading small decentralized wastewater treatment plant in Norway. Anne Barslund, Denmark MBR experience on full-scale plants, research results and trends in future developments. Nicolas Heinen, Denmark MBBR versus optimised hybrid MBBR-activated sludge process for pharmaceutical biodegradation of hospital wastewater. Benny Nielsen, Denmark

10 Thursday Nov 5th Workshop on Wastewater Treatment Plants New concepts for wastewater treatment and utilization developed by The Warm and Clean City. Markus Paulsson, Sweden How can chemistry contribute to sustainable municipal water treatment. Bengt Hansen, Sweden Online control that grows by visionary operators. Mai Sørud, Denmark Application of membrane filtration in combination with municipal anaerobic digesters. Jeanette Agertved Madsen, Denmark Sustainable wastewater treatment plants Mainstream deammonification using EssDe technology. Mariann Sæbø, Denmark Understand your workhorses with new and powerful microbial analysis a fast way to diagnose, troubleshoot, monitor and optimise process tank biology. Aviaja Anna Hansen, Denmark Anticipating the impact of mainstream deammonification through advanced process simulation. Ivan Vølund, Denmark Inducing Biomass Granulation through Hydrocyclones to Achieve BNR Process Improvements. Mads Leth, Denmark Workshop on Sewer Management and Stormwater Management Sustainable stormwater management in Stockholm royal seaport. Henrik Alm, Sweden Climate adaptation of Gothenburg, Henrik Thorén, Sweden Climate adaptation in connection with separate sewer systems. Michael Glerup Jørgensen and Kasper Førby Laden, Denmark The Socioeconomic Evaluation of Clean Water Peter Sörngård, Sweden

11 Technical Tours Ytre Sandviken wastewater treatment plant The wastewater treatment plant in Ytre Sandviken is being expanded and upgraded, with work projected for completion in The renovations will include some of the most compact processing units available on the market. The treatment plant will handle the wastewater for population equivalents (PE) and treat up to a maximum of 2500 m 3 /h. The plant s processing units will be established with Kaldnes Moving Bed Biofilm Reactors (MBBR), Actiflo and Actidyn, with the MBBR basins having a depth of 9 m. Throughout the design and planning process, the focus has been on lifecycle costs, workplace environment, energy optimizing, and energy recycling. The treatment plant is situated in a network of rock caverns. Kvernevik wastewater treatment plant The wastewater treatment plant in Kvernvik is undergoing renovations, with work projected for completion in The treatment plant is built in rock caverns as a traditional active-sludge plant, but with deep aeration basins (depth of 10 m). Throughout the design and planning process, the focus has been on life-cycle costs, workplace environment, energy optimizing, and energy recycling. The plant will handle the wastewater for 56,000 PE and treat up to a maximum of 1,630 m 3 /h. During the construction phase, more than 140,000 m 3 of rock were removed from the mountain. The plant now appears as new and the mountain has been covered with Giertsen tunnel-sealing, both to optimize the indoor environment and protect the equipment and workers. Bryggen: from imbalance to balance Listed as a UNESCO World Heritage site, Bryggen the old wharf of Bergen is one of the most popular cultural monuments in Norway. Over the centuries, it has been threatened by low groundwater, settlement damage, and frequent flooding; during the last few decades, further imbalance to the structure has occurred. From 1979 to 2000, the groundwater level in the northeast area (close to the Radisson Blu Royal Hotel, Bryggen) has sunk by several metres, while the front part of the wharf has been repeatedly exposed to spring tides. An interdisciplinary approach has been established to find a solution. Graveklubben (digging co-ordinators) in Bergen The Project Neumannsgate and surroundings is an interdisciplinary collaboration between the water and wastewater departments in the municipality of Bergen, BKK network (energy provider), heating and BIR (waste company). It involves the establishment and renewal of infrastructure before it is covered by asphalt and other layers. What can and should be co-ordinated? Separation in the rainiest city of Europe Examples from Projects Håsteinerparken and Løvstien shows the planning of separation municipality in Bergen. A project concerning a new walking path alongside the rock wall. Planning and finishing of the separation, reopening of water systems and floodways based on guidelines for stormwater in Bergen.

12 Social Programme Welcome Reception Welcome reception on November 4th will be held at the Radisson Blu Royal Hotel, Bryggen. The conference dinner The conference dinner will take place at the King s banqueting hall Håkonshallen on November 5th. Håkon s Hall is 750 years old and was built by King Håkon Håkonssons during the time Bergen was Norway s largest and most important town. Are you young and working with water? Tuesday evening we will meet in the hotel lobby at 20:00. After a short walk to a nearby restaurant we will share an informal meal. You pay for your own meal, but remember to register, so that we can make the necessary arrangements with the restaurant. This dinner is initiated by VA-yngre in Norway. We hope this is an exciting arrangement and a nice way to get to know YWP and other youngsters working with water. Information and contacts Registration for the Conference You register for the conference online at the NORDIWA website and if you register before September 15th you receive an Early Bird fee of 500 NOK. The conference fee includes admission to the conference, three lunches, coffee with light refreshments, a welcome reception, and a gala dinner. For information regarding Conference fee and registration to the Conference, see the Conference website: The Conference venue The Conference will take place at Radisson Blu Royal Hotel, Bryggen. The hotel is situated right in the center of Bergen, near UNESCO World Heritage site and 20 min from Flesland Bergen airport by connecting shuttle. Accommodation Radisson Blu Royal Hotel, Bryggen offers a variety of rooms. For more information and booking check their website: Contact regarding the Conference Programme Helene Sörelius, Secretary Programme Committee Contact regarding Technical tours and Social programme Kristine Akervold, Organization Committee Contact regarding Registration Sissel Løvås-Hauge, Norwegian Water Contacts

13 The NORDIWA Conference The Nordic Wastewater Conference has been held every second year in the Nordic countries since In November 2015 it will be hosted in Bergen, Norway. This years conference is organized by Norwegian Water (Norsk Vann), in co-operation with the Swedish Water and Wastewater Association (Svenskt Vatten), organises the 13th conference, the Danish Water and Wastewater Association (DANVA), the Finnish Water Utilities Association (FIWA), the Icelandic Energy and Utilities (Samorka), and NORDIWA. The conference is aimed at personnel and managers of sewers, water and wastewater works, consultants, suppliers and contractors in the sector, scientists and authorities.

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