Staff

Kai Udert

Dr. Kai Udert

Department Process Engineering

About Me

My main research focus is on new technologies for resource recovery from wastewater. My work is guided by the believe that resources can be recovered more effectively, if wastewater streams are not mixed but treated separately.

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Projects

By recovering nutrients from urine, we develop a sanitation system, which produces a valuable fertiliser
We develop reactors for the separate treatment of urine, feces and water directly in the toilet.
Sustainable urban water and wastewater management applied and implemented in the modular NEST building.
Water and sanitation innovations for non-grid solutions – an inter- and transdisciplinary strategic research program
Nitrogen removal from urine with partial nitritation / anammox.

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Curriculum Vitae

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Selected publications

Fumasoli, A.; Morgenroth, E.; Udert, K. M. (2015) Modeling the low pH limit of Nitrosomonas eutropha in high-strength nitrogen wastewaters, Water Research, 83, 161-170, doi:10.1016/j.watres.2015.06.013, Institutional Repository
Zöllig, H.; Remmele, A.; Fritzsche, C.; Morgenroth, E.; Udert, K. M. (2015) Formation of chlorination byproducts and their emission pathways in chlorine mediated electro-oxidation of urine on active and nonactive type anodes, Environmental Science and Technology, 49(18), 11062-11069, doi:10.1021/acs.est.5b01675, Institutional Repository
Zöllig, H.; Fritzsche, C.; Morgenroth, E.; Udert, K. M. (2015) Direct electrochemical oxidation of ammonia on graphite as a treatment option for stored source-separated urine, Water Research, 69, 284-294, doi:10.1016/j.watres.2014.11.031, Institutional Repository
Schielke-Jenni, S.; Villez, K.; Morgenroth, E.; Udert, K. M. (2015) Observability of anammox activity in single-stage nitritation/anammox reactors using mass balances, Environmental Science: Water Research and Technology, 1(4), 523-534, doi:10.1039/c5ew00045a, Institutional Repository
Jenni, S.; Vlaeminck, S. E.; Morgenroth, E.; Udert, K. M. (2014) Successful application of nitritation/anammox towastewater with elevated organic carbon to ammonia ratios, Water Research, 49, 316-326, doi:10.1016/j.watres.2013.10.073, Institutional Repository
Larsen, T. A.; Udert, K. M.; Lienert, J. (2013) Source separation and decentralization for wastewater management, 502 p, doi:10.2166/9781780401072, Institutional Repository
Hug, A.; Udert, K. M. (2013) Struvite precipitation from urine with electrochemical magnesium dosage, Water Research, 47(1), 289-299, doi:10.1016/j.watres.2012.09.036, Institutional Repository
Udert, K. M.; Wächter, M. (2012) Complete nutrient recovery from source-separated urine by nitrification and distillation, Water Research, 46(2), 453-464, doi:10.1016/j.watres.2011.11.020, Institutional Repository
Etter, B.; Tilley, E.; Khadka, R.; Udert, K. M. (2011) Low-cost struvite production using source-separated urine in Nepal, Water Research, 45(11), 852-862, doi:10.1016/j.watres.2010.10.007, Institutional Repository
Kapałka, A.; Joss, L.; Anglada, Á.; Comninellis, C.; Udert, K. M. (2010) Direct and mediated electrochemical oxidation of ammonia on boron-doped diamond electrode, Electrochemistry Communications, 12(12), 1714-1717, doi:10.1016/j.elecom.2010.10.004, Institutional Repository
Udert, K. M.; Larsen, T. A.; Gujer, W. (2003) Estimating the precipitation potential in urine-collecting systems, Water Research, 37(11), 2667-2677, doi:10.1016/S0043-1354(03)00071-X, Institutional Repository
Udert, K. M.; Larsen, T. A.; Biebow, M.; Gujer, W. (2003) Urea hydrolysis and precipitation dynamics in a urine-collecting system, Water Research, 37(11), 2571-2582, doi:10.1016/S0043-1354(03)00065-4, Institutional Repository

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Address

E-Mail: kai.udert@eawag.ch
Phone: +41 58 765 5360
Fax: +41 58 765 5808
Address: Eawag
Überlandstrasse 133
8600 Dübendorf
Office: BU B16

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Expert of

wastewater separation, decentralized technologies, nutrients, urine separation, resource recovery

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Research Group

Source Separation and Decentralization

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Research Focus

  • On-site sanitation
  • Treatment of source-separated wastewater streams
  • Technologies for nutrient recovery
  • Nutrient removal process including biological and electrochemical processes

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