13:00-13:30

13:30-14:00

Impact of supply and demand on the price development of phosphate (fertilizer)
Jana von Horn*, Christian Sartorius (Fraunhofer Institute Systems and Innovation Research, Karlsruhe, Germany)

14:00-14:30

Wastewater treatment and the green revolution
Paul M.Sutton*, A. Paul Togna^, O.J. Schraa# (*P.M. Sutton & Associates, Inc, Enfield, NH, USA; ^ Basin Water, Lawrenceville, NJ, USA; # Hydromantis, Inc., Cambridge, ON, Canada)

14:30-15:00

A brief history of phosphorus use and abuse – from the philosophers’s stone to nutrient recovery and re-use
Ken I. Ashley*, D.S. Mavinic; Fred Koch (Fish and Wildlife Branch, Ministry of Environment; Department of Civil Engineering, University of British Columbia, Vancouver, BC, Canada)

13:00-13:30

A review of struvite nucleation studies
Phil Schneider, S.C. Galbraith (School of Engineering, James Cook University, Townsville, Australia)

13:30-14:00

A quantitative method analyzing the content of struvite in phosphate-based precipitates
Xiaodi Hao*, C.C. Wang*, L. Lan* M.C.M. van Loosdrecht^ (*The R & D Centre of Sustainable Environmental Biotechnology, Beijing University of Civil Engineering and Architecture, Beijing, P.R. of China; ^Dept. of Biochemical Engineering, Delft University of Technology, Delft, The Netherlands)

14:00-14:30

Phosphorus removal from an industrial wastewater by struvite crystallization into an airlift reactor
Juan Garrido*, A Sanchez*, Sonia Barros^, Ramon Mendez* (*Chemical Engineering Department School of Engineering, University of Santiago de Compostela, Santiago de Compostela, Spain; ^3R Ingeniería Ambiental, Santiago de Compostela, Spain)

13:00-13:30

Quantifying phosphorus recovery potentials by fullscale process analysis and modelling
M. Beier, R. Pikula, V. Spering, K.-H. Rosenwinkel (Institute for Water Quality and Waste Management (ISAH), Leibniz University of Hanover, Hanover, Germany)

13:30-14:00

Validation of a comprehensive chemical equilibrium model for predicting struvite precipitation
Pratap Pullammanappallil*, Sachin Gadekar*, Amir Varshovi^ (*Department of Agricultural and Biological Engineering University of Florida, Gainesville, FL, USA; ^GreenTechnologies, LLC, Gainesville, FL, USA)

14:00-14:30

A thermochemical approach for struvite precipitation modelling from wastewater
Mary Hanhoun*, Catherine Azzaro-Pantel*^#; Béatrice Biscans*^; Michèle Frèche$^#; Ludovic Montastruc*^#; Luc Pibouleau*^#; Serge Domenech^# (*Université de Toulouse, INP, UPS, LGC (Laboratoire de Génie Chimique, Toulouse, France); ^CNRS, LGC, Toulouse, France; #ENSIACET INPT, Toulouse, France; $Université de Toulouse, Toulouse, France; INP, UPS, CNRS – CIRIMAT, Toulouse, France)

15:30-16:00

About the economy of phosphorus recovery
Thomas Dockhorn (Institute of Sanitary and Environmental Engineering, Braunschweig, Germany)

16:00-16:30

Different strategies for recovering phosphorus: technologies and costs
David Montag, K. Gethke, J. Pinnekamp (Institute of Environmental Engineering, RWTH Aachen University, Aachen, Germany)

16:30-17:00

15:30-16:00

Induced struvite precipitation in an airlift reactor for phosphorus recovery
Daniel Stumpf*, B Heinzmann^, R-J Schwarz^, R Gnirss^, M Kraume* (*Berlin Institute of Technology, Berlin, Germany; ^Department of Research and Development, Berlin Water, Berlin, Germany)

16:00-16:30

Pilot testing and economic evaluation of struvite recovery from dewatering centrate at HRSD’s Nansemond WWTP
Ahren Britton*, Ram Prasad$, Bill Balzer^, Laurissa Cubbage# (*Ostara Nutrient Recovery Technologies Inc., Vancouver, BC, Canada; $Old Dominion University, Norfolk, VA, USA; ^Hampton Roads Sanitation District, Suffolk, VA, USA; #Hazen and Sawyer, Raleigh, NC, USA)

16:30-17:00

Standardizing the struvite solubility product for field trial optimization
A.L. Forrest, Kazi Parvez Fattah, D.S. Mavinic, F. Koch (Department of Civil Engineering, UBC, Vancouver, BC, Canada)

15:30-16:00

Plant availability of P fertilizers recycled from sewage sludge and meat-and-bone meal in field and pot experiments
R. Cabeza Pérez, B. Steingrobe, W. Römer, N. Claassen (Department of Crop Sciences – Plant Nutrition, Georg-August-University, Göttingen, Gottingen, Germany)

16:00-16:30

Ecological testing of products from phosphorus recovery processes – first results
Karlheinz Weinfurtner*, Stefan A Gath^, Werner Kordel*, Christine Waida^ (*Fraunhoferinstitute for Molecular Biology and Applied Ecology, Schmallenberg, Germany; ^Institute of Landscape Ecology and Resources Management, University of Giessen, Giessen, Germany)

08:30-09:00

Strategy for separation of manure P through flocculation
Maibritt Hjorth*, Morten Lykkegaard Christensen^ (*Department of Agricultural Engineering, Aarhus University, Tjele, Denmark; ^Department of Biotechnology, Chemistry and Environmental Engineering, Aalborg University, Aalborg, Denmark)

09:00-09:30

Full-scale test of a fluidized-bed struvite crystallizer for phosphorus reduction in dairy lagoon water
Keith E. Bowers*, Tianxi Zhang^, Joseph H. Harrison# (*Multiform Harvest Inc., Seattle, WA, USA; ^Washington State University, Pullman, WA, USA; # Washington State University, Puyallup, WA, USA)

09:30-10:00

Phosphate removal in agro-industry: full-scale and pilot-scale operational considerations of struvite crystallisation
Wim Moerman*, M Carballa$, A Vandekerckhove^, D Derycke#, W Verstraete$ (*Akwadok, Deerlijk, Belgium; ^Clarebout Potatoes, Nieuwkerke, Belgium; #Biotim, Willebroek, Belgium; $LabMet Compure Links, Gent Belgium)

08:30-09:00

Development of a process control system for online monitoring and control of a struvite crystallization process
Kazi Parvez Fattah, D.S. Mavinic, M.S. Rahaman, F. Koch (Department of Civil Engineering, UBC, Vancouver, BC, Canada)

08:30-09:00

Increasing the cost efficiency of struvite precipitation by using alternative precipitants and P-remobilization from sewage sludge
Timur Esemen, Wiebke Rand, Thomas Dockhorn, Norbert Dichtl (Institute of Sanitary and Environmental Engineering, Technische Universität, Braunschweig, Germany)

09:30-10:00

Temperature dependence of electrical conductivity and its relationship with ionic strength for Struvite Precipitation System
Md. Iqbal Hossian Bhuiyan*, Donald S. Mavinic^ (*Sperling Hansen Associates, North Vancouver,  BC, Canada; ^Environmental Engineering Group, Department of Civil Engineering, University of British Columbia (UBC), Vancouver, BC, Canada)

08:30-09:00

Phosphorus removal and recovery from sewage sludge as calcium phosphate by addition of calcium silicate hydrate compounds (CSH)
Sebastian Petzet, Peter Cornel (TU-Darmstadt, Institut WAR, Darmstadt, Germany)

09:00-09:30

Phosphate removal from wastewater using a regenerable adsorption media
Paul Sylvester, T. Moller (SolmeteX, Northborough, MA, USA)

10:30-11:00

Field application methods for the liquid fraction of separated animal slurry in growing cereal crops
Tavs Nyord (Institute of Agricultural Engineering, University of Aarhus, Tjele, Denmark)

11:00-11:30

10:30-11:00

Struvite harvesting to reduce ammonia and phosphorus recycle
Rob Baur*, Ahren Britton^; Ram Prasad# (*Clean Water Services, Tigard, OR, USA; ^Ostara Nutrient Recovery Technologies Inc., Vancouver, BC, Canada; #Old Dominion University, Norfolk, VA, USA)

11:00-11:30

The application of process systems engineering to the development of struvite recovery systems
Phil Schneider, Md. I. Ali (School of Engineering, James Cook University, Townsville, Australia)

10:30-11:00

Phosphorus recovery from eluated sewage sludge ashes by nanofiltration by nanofiltration
Claudia Niewersch*, S. Petzet^, J. Henkel^, T. Wintgens*, T. Melin*, P. Cornel^ (*Department of Chemical Engineering, RWTH-Aachen, Aachen, Germany; ^Institute WAR, TU Darmstadt, Darmstadt, Germany)

11:00-11:30

P-recovery from sewage sludge ash – technology transfer from prototype to industrial manufacturing facilities
Louis Hermann (ASH DEC Umwelt AG, Wien, Austria)

11:30-12:00

Phosphorus recovery by thermochemical treatment of sewage sludge ash – Results of the European FP6-project SUSAN
Christian Adam*, C Vogel*, S Wellendorf*, J Schick^, S Kratz^, E Schnug^ (*Federal Institute for Materials Research and Testing, Berlin, Germany; ^Julius Kuehn Institute, Braunschweig, Germany)

13:00-13:30

Remediation of phosphorus from animal slurry
AM Thygesen, E Skou, O Werneberg, SG Sommer (University of Southern Denmark (SDU), Faculty of Engineering, Institute of Chemical Engineering, Biotechnology and Environmental Engineering, Odense, Denmark)

13:30-14:00

Affecting corn processing nutrients using membrane separation and biological extraction and conversion
Kent, Rausch*, R.L. Belyea^, L.M. Raskin#, V. Singh*, D.B. Johnston$, T.E. Clevenger^, M.E. Tumbleson*, E.F. Morgenroth* (*University of Illinois at Urbana-Champaign, Urbana, IL, USA; ^University of Missouri, Columbia, MO, USA; #University of Michigan, Lansing, MI, USA; $Eastern Regional Research Center, ARS, USDA, Wyndmoor, PA, USA)

14:00-14:30

Technology for recovery of phosphorus from animal wastewater through calcium phosphate precipitation
Matias B. Vanotti, Ariel A. Szogi (United States Department of Agriculture, ARS, Coastal Plains Research Center, Florence, SC, USA)

13:00-13:30

Determining the operational conditions required for homogeneous struvite precipitation from belt press supernatant
Beni Lew*, Mario Kummel^, Chaim Sheindorf#, Somaya Phalah$, Menachem Rebhum$, Ori Lahav$ (*Agriculture Research Organization, Bet Dagan, Israel; ^Mekorot Israel Water Co, Tel-Aviv, Israel.; #Shenkar College, Ramat Gan, Israel; $Technion, Haifa, Israel)

13:30-14:00

Involvement of filamentous bacteria in the phosphorus recovery cycle
Jan Suschka*, E Kowalskii*, K Grubel^ (*Institute of Environmental Engineering, Polish Academy of Sciences, Zabrze, Poland; University of Bielsko-Biala, Bielsko-Biala, Poland)

13:00-13:30

Recovery of phosphorus from sewage sludge incineration ash by combined bioleaching and bioaccumulation
Jennifer Zimmermann*, Wolfgang Dott (RWTH University Institute of Hygiene and Environmental Health, Aachen, Germany)

13:30-14:00

Energy efficient nutrient recovery from household wastewater using struvite precipitation and zeolite adsorption techniques.  A pilot plant study in Sweden
Zsofia Ganrot*, Jan Broberg^, Stefan Byden* (*Melica Environmental Consulting, Goteborg, Sweden; ^Split Vision Development AB, Angelholm, Sweden)

14:00-14:30

Crystallisation of calcium phosphate from sewage: Efficiency of batch mode technology and quality of the generated products
Anke Ehbrecht*, D Patzig*, S Schönauer^, M Schwotzer^, R Schuhmann* (*University of Karlsruhe, Center of Competence for Material Moisture (CMM), Karlsruhe, Germany; ^Forschungszentrum Karlsruhe, Institute of Technical Chemistry (ITC-WGT), Division of Water Technology and Geotechnology, Karlsruhe, Germany)

15:30-16:00

Effect of osmotic pressure and substrate resistance on transmembrane flux during the concentration of pretreated swine manure with reverse osmosis membranes
Lucie, Masse*, D.I. Massé*, Y. Pellerin^ (*Agriculture and Agri-Food Canada, Sherbrooke, QC, Canada; ^A. Pellerin et fils Ltée, ST-Adrien-de-Ham, QC, Canada)

16:00-16:30

Process to recover phosphate from meat and bone meal with utilisation of waste heat
Christian Kabbe*, Wolfgang Jakob^ (*Federal Environmental Agency, Berlin, Germany ; ^VTS Koop Schiefer GmbH & Co. KG, Unterloquitz, Germany)

16:30-17:00

P and N in solids from manure separation: Separation efficiency and particle size distribution
Karin Jorgensen*, Maibritt Hjorth^, Jakob Magid* (*Department of Agriculture and Ecology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark; ^ Department of Agricultural Engineering, Faculty of Agricultural Sciences, University of Aarhus, Horsens, Denmark)

15:30-16:00

Profitable recovery of phosphorus from sewage sludge and meat&bone Meal by the Mephrec Process – a new means of thermal sludge and ash treatment
Klaus Scheidig, Michael Schaaf, Joachim Mallon (ingitec GmbH, Leipzig, Germany)

16:00-16:30

Empirical evaluation of nutrient recovery using Seaborne technology at the Wastewater treatment plant Gifhorn
Linh-Con Phan*, D Weichgrebe*, I Urban*, KH Rosenwinkel*, L Gunther^, T Dockhorn^, N Dichtl^, J Muller#, N Bayerle$ (*Institute for Waste Quality and Waste Management (ISAH), Hannover, Germany; ^Institute of Sanitary and Environmental Engineering, Technical University of Braunschweig, Braunschweig, Germany; #PFI Consulting Engineers, Hannover, Germany; $Abwasser- und Strassenreinigungsbetrieb Stadt Gifhorn, Gifhorn, Germany)

16:30-17:00

15:30-16:00

Full-scale plant test using sewage sludge ash as raw material for phosphorus production
Willem Schipper*, Leon Korving^ (*Thermphos International, Vlissingen, The Netherlands; ^N.V. Slibverwerking Noord-Brabant, Moerdijk, The Netherlands)

16:00-16:30

Phosphorous recovery and nitrogen removal from wastewater using BioIronTech process
Volodymyr Ivanov*, C.H. Guo*, Shengli Kuang*, Viktor Stabnikov^ (*School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, Singapore; ^Institute of Municipal Activity, National Aviation University, Kiev, Ukraine)

16:30-17:00

Phosphorus speciation of sewage sludge ashes and potential for fertilizer production
Simone Nanzer*, Markus Janousch^; Thomas Huthwelker^; Urs Eggenberger#; Ludwig Hermann$; Astrid Oberson*; Emmanuel Frossard* (*Institute of Plant Sciences, ETH Zurich, Zurich, Swizterland; ^Swiss Light Source, Paul Scherrer Institute, Villigen, Switzerland; #Institute of Geological Sciences, University of Bern, Bern, Switzerland; $ASH DEC Umwelt AG, Vienna, Austria)    

08:30-09:00

Savings from integration of centrate ammonia reduction with BNR oeration: simulation of single-sludge and two-sludge plant operation
Morton Orentlicher*, Alexander Fassbender*, Gary Grey^ (*ThermoEnergy Corporation, Little Rock, AR, USA; ^HydroQual. Inc, ^Mahwah, NJ, USA)

Volatile fatty acid (VFA) and nutrient recovery from biomass fermentation
Qiuyan Yuan, Francesco Zurzolo, Jan Oleszkiewicz (Department of Civil Engineering, University of Manitoba, Winnipeg, MB, Canda)

08:30-09:00

09:00-09:30

Phosphorus recovery from sewage sludge ash: possibilities and limitations of wet chemical technologies
Christian Schaum*, Peter Cornel^, Norbert Jardin# (*Dr. Born – Dr. Ermel GmbH, Achim, Germany; ^Technische Universität Darmstadt, Institut WAR, Darmstadt, Germany; #Ruhrverband, Essen, Germany)

10:30-11:00

Urine reuse as fertilizer for bamboo plantations
J.E. Ndzana, R. Otterpohl (Institute of Wastewater and Water Protection of the Hamburg University of Technology, Hamburg, Germany)

11:00-11:30

11:30-12:00

The role of recovered struvite (magnesium ammonium phosphate) in trout and salmon population conservation
Greg Wilson*, S. Reddenkopp^, P. Slaney#, C.J. Wightman$ (*Environmental Stewardship Division, BC Ministry of Environment, Surrey, BC, Canada; ^Georgia Basin Steelhead Recovery Program, BC Conservation Foundation, Surrey, BC, Canada; #PSlaney Aquatic Science Ltd., Coquitlam, BC, Canada; $Salmon and Trout Restoration, BC Ministry of Environment, Nanaimo, BC, Canada)

12:00-12:30

Assessing the suitability of struvite as a source of P for potato production
John P. Hammond*, Martin R. Broadley^, Philip J. White# (*Warwick HRI, University of Warwick, Wellesbourne, UK; ^Plant Sciences Division, School of Biosciences, University of Nottingham, Loughborough, UK; #Scottish Crop Research Institute, Invergowrie, Invergowrie, UK)

10:30-11:00

Ammonium absorption in reject water using vermiculite
Nina Akerback*, Sten Engblom*; Kenneth Sahlén^ (*Novia University of Applied Sciences, Vasa, Finland; ^Swedish University of Agricultural Sciences, Umea, Sweden)

11:00-11:30

Alternating anoxic-aerobic process for nitrogen recovery  from wastewater in a biofilm  reactor
Mohamed F. Hamoda*, Rashid A. Bin-Fahad^ (*Dept. of Environmental Technology Management, CFW, Kuwait University, Safat, Kuwait; ^Ministry of Environment and Water Resources, Federal Government, Dubai, U.A.E.)

11:30-12:00

Air stripping of ammonia from anaerobic digestate
Frank Waeger, Thomas Wirthensohn, Alberto Corcoba, Werner Fuchs (University of Natural Resources and Applied Life Sciences, Vienna, Dept. for Agrobiotechnology, IFA-Tulln, Institute for Environmental Biotechnology, Tulln, Austria)

10:30-11:00

Phosphorus recovery from saturated alum sludge used as a low-cost P-adsorbent
Xiaohong Zhao, Y.Q. Zhao (Centre for Water Resources Research, School of Architecture, Landscape and Civil Engineering, University College Dublin, Dublin, Ireland)

11:00-11:30

Phosphorus cycling by using biomass ashes
Bettina Eichler-Loebermann, Silvia Bachmann (Institute of Land Use, Faculty of Agricultural and Environmental Science, University of Rostock, Rostock, Germany)

Plenary Session and Expert Panel Discussion and Q&A session: "Nutrient Recovery: Current and Emerging Global Practices"
See Panel Members

A novel waste sludge operation to minimize uncontrolled phosphorus precipitation and maximize the phosphorus recovery: a case study in Tarragona, Spain
R. Barat^, M. Abella#, P. Castella#, J. Ferrer^, Aurora Seco* (*Dpto. Ingeniería Química, Universidad de Valencia, Valencia, Spain; ^Dpto. Ingeniería Hidráulica y Medio Ambiente. Universidad Politécnica de Valencia, Valencia, Spain; #Departamento de depuración. Empresa municipal mixta de aguas de Tarragona (EMATSA), Tarragona, Spain)

Phosphorus recovery in EBPR systems by struvite crystalization
N. Marti*, L. Pastor^, A. Bouzas*, J. Ferrer^, Aurora Seco* (*Dpto. Ingeniería Química. Universidad de Valencia, Valencia, Spain; ^Instituto de Ingeniería del Agua y Medio Ambiente (IIAMA). Universidad Politécnica de Valencia, Valencia, Spain)

Struvite control techniques in an enhanced biological phosphorus removal plant.
Rob Baur (Clean Water Services, Tigard, OR, USA)

Study ofuncontrolled precipitation problems in Tarragona WWTP (Spain)
R. Barat^, M. Abella#, J. Roig#, J. Ferrer^, Aurora Seco* (*Dpto. Ingeniería Química, Universidad de Valencia, Valencia, pain; ^Dpto. Ingeniería Hidráulica y Medio Ambiente. Universidad Politécnica de Valencia, Valencia, Spain; #Departamento de depuración. Empresa municipal mixta de aguas de Tarragona (EMATSA), Tarragona, Spain)