Prof. Dr. Rolf Krebs

Work at ZHAW

Position

head of institute

Experience

• head of inorganic chemistry in the water and soil protection laboratory of the Kanton Bern
  canton Berne
  04 / 2002 - 04 / 2005
• head of soil protection, office for environmental protection
  canton St.Gallen
  04 / 1998 - 04 / 2002

Education and Continuing education

Education

• PhD / Environmental Sciences
  ETH Zurich
  02 / 1992 - 09 / 1996
• Dipl.nat. ETH / Environmental Sciences
  ETH Zurich
  09 / 1987 - 10 / 1992

Continuing Education

• CAS Management for Leaders
  ZHAW
  06 / 2016
• CAS Leadership advanced
  ZHAW
  05 / 2015

Projects

• Hydrothermal carbonization as a sustainable solution for faecal waste treatment / Team member / completed

Publications

Articles in scientific journal, peer-reviewed

• Gerner, G., Chung, J. W., Meyer, L., Wanner, R., Heiniger, S., Seiler, D., Krebs, R., Treichler, A., Kontic, R., & Kulli Honauer, B. (2023). Hydrothermal carbonization of sewage sludge : new improvements in phosphatic fertilizer production and process water treatment using freeze concentration. Energies, 16(20), 7027. https://doi.org/10.3390/en16207027
• Chung, J. W., Gerner, G., Ovsyannikova, E., Treichler, A., Baier, U., Libra, J., & Krebs, R. (2022). Hydrothermal carbonization as an alternative sanitation technology : process optimization and development of low-cost reactor. Open Research Europe, 1(139). https://doi.org/10.12688/openreseurope.14306.2
• Gerner, G., Meyer, L., Wanner, R., Keller, T., & Krebs, R. (2021). Sewage sludge treatment by hydrothermal carbonization : feasibility study for sustainable nutrient recovery and fuel production. Energies, 14(9), 2697. https://doi.org/10.3390/en14092697
• Chung, J. W., Edewi, O. C., Foppen, J. W., Gerner, G., Krebs, R., & Lens, P. N. L. (2017). Removal of Escherichia coli by intermittent operation of saturated sand columns supplemented with hydrochar derived from sewage sludge. Applied Sciences, 7(8). https://doi.org/10.3390/app7080839
• Egli, M., Berger, A., Kündig, R., Krebs, R., de Castro Portes, R., Berger, R., & Widmer, R. (2017). The long-term interaction of mine tailings with soils and the wider environment : examples from Mont Chemin, Switzerland. Journal of Geochemical Exploration, 182(Part A), 53–69. https://doi.org/10.1016/j.gexplo.2017.08.011
• Spataru, A., Jain, R., Chung, J. W., Gerner, G., Krebs, R., & Lens, P. N.  L. (2016). Enhanced adsorption of orthophosphate and copper onto hydrochar derived from sewage sludge by KOH activation. RSC Advances, 6(104), 101827–101834. https://doi.org/10.1039/C6RA22327C
• Stucki, M., Eymann, L., Gerner, G., Hartmann, F., Wanner, R., & Krebs, R. (2015). Hydrothermal carbonization of sewage sludge on industrial scale : energy efficiency, environmental effects and combustion. Journal of Energy Challenges and Mechanics, 2(2), 38–44. http://www.nscj.co.uk/JECM/issues/JECM-2-2.pdf
• Chung, J. W., Foppen, J. W., Gerner, G., Krebs, R., & Lens, P. N. L. (2015). Removal of rotavirus and adenovirus from artificial ground water using hydrochar derived from sewage sludge. Journal of Applied Microbiology, 119(3), 876–884. https://doi.org/10.1111/jam.12863
• Jäger, H., Achermann, M., Waroszewski, J., Kabała, C., Malkiewicz, M., Gärtner, H., Dahms, D., Krebs, R., & Egli, M. (2015). Pre-alpine mire sediments as a mirror of erosion, soil formation and landscape evolution during the last 45 ka. Catena, 128, 63–79. https://doi.org/10.1016/j.catena.2015.01.018
• Escala, M., Zumbühl, T., Koller, C., Junge, R., & Krebs, R. (2013). Hydrothermal carbonization as an energy-efficient alternative to established drying technologies for sewage sludge : a feasibility study on a laboratory scale. Energy & Fuels, 27(1), 454–460. https://doi.org/10.1021/ef3015266
• Eckmeier, E., Mavris, C., Krebs, R., Pichler, B., & Egli, M. (2013). Black carbon contributes to organic matter in young soils in the Morteratsch proglacial area (Switzerland). Biogeosciences, 10(3), 1265–1274. https://doi.org/10.5194/bg-10-1265-2013
• Jean Petit Matile, L., Berger, R., Wächter, D., & Krebs, R. (2013). Characterization of a new heat dissipation matric potential sensor. Sensors, 13(1), 1137–1145. https://doi.org/10.3390/s130101137
• Escala, M., Graber, A., Junge, R., Koller, C., Guiné, V., & Krebs, R. (2013). Hydrothermal carbonization of organic material with low dry matter content : the example of waste whey. Journal of Residuals Science & Technology, 10(4), 179–186. http://www.dpi-journals.com/index.php/JRST/article/view/1941
• Egli, M., Mastrolonardo, G., Seiler, R., Raimondi, S., Favilli, F., Crimi, V., Krebs, R., Cherubini, P., & Certini, G. (2012). Charcoal and stable soil organic matter as indicators of fire frequency, climate and past vegetation in volcanic soils of Mt. Etna, Sicily. Catena, 88(1), 14–26. https://doi.org/10.1016/j.catena.2011.08.006
• Egli, M., Favilli, F., Krebs, R., Pichler, B., & Dahms, D. (2012). Soil organic carbon and nitrogen accumulation rates in cold and alpine environments over 1 Ma. Geoderma, 183-184, 109–123. https://doi.org/10.1016/j.geoderma.2012.03.017
• Nicolescu, R., Petcu, C., Cordeanu, A., Fabritius, K., Schlumpf, M., Krebs, R., Krämer, U., & Winneke, G. (2010). Environmental exposure to lead, but not other neurotoxic metals, relates to core elements of ADHD in Romanian children : performance and questionnaire data. Environmental Research, 110(5), 476–483. https://doi.org/10.1016/j.envres.2010.04.002
• Egli, M., Sartori, G., Mirabella, A., Giaccai, D., Favilli, F., Scherrer, D., Krebs, R., & Delbos, E. (2010). The influence of weathering and organic matter on heavy metals lability in silicatic, Alpine soils. Science of the Total Environment, 408(4), 931–946. https://doi.org/10.1016/j.scitotenv.2009.10.005
• Limbach, L. K., Bereiter, R., Müller, E., Krebs, R., Gälli, R., & Stark, W. J. (2008). Removal of oxide nanoparticles in a model waste water treatment plant : influence of agglomeration and surfactants on clearing efficiency. Environmental Science & Technology, 42(15), 5828–5833. https://doi.org/10.1021/es800091f
• Velea, T., Gherghe, L., Predica, V., & Krebs, R. (2008). Heavy metal contamination in the vicinity of an industrial area near Bucharest. Environmental Science and Pollution Research, 16(1), 27–32. https://doi.org/10.1007/s11356-008-0073-5
• Kulli Honauer, B., Balmer, M., Krebs, R., Lothenbach, B., Geiger, G., & Schulin, R. (1999). The influence of nitrilotriacetate on heavy metal uptake of lettuce and ryegrass. Journal of Environmental Quality, 28(6), 1699–1705. https://doi.org/10.2134/jeq1999.00472425002800060002x
• Krebs, R., Gupta, S. K., Furrer, G., & Schulin, R. (1998). Gravel sludge as immobilizing additive in soils polluted by heavy metals : a field study. Water, Air, & Soil Pollution, 115(1-4), 465–479. https://doi.org/10.1023/A:1005167004828
• Krebs, R., Gupta, S. K., Furrer, G., & Schulin, R. (1998). Solubility and plant uptake of metals with and without liming of sludge-amended soils. Journal of Environmental Quality, 27(1), 18–23. https://doi.org/10.2134/jeq1998.00472425002700010004x
• Lothenbach, B., Krebs, R., Furrer, G., Gupta, S. K., & Schulin, R. (1998). Immobilization of cadmium and zinc in soil by Al-montmorillonite and gravel sludge. European Journal of Soil Science, 49(1), 141–148. https://doi.org/10.1046/j.1365-2389.1998.00140.x
• Gupta, S. K., Vollmer, M. K., & Krebs, R. (1996). The importance of mobile, mobilisable and pseudo total heavy metal fractions in soil for three-level risk assessment and risk management. Science of the Total Environment, 178(1-3), 11–20. https://doi.org/10.1016/0048-9697(95)04792-1

Written conference contributions, peer-reviewed

• Hutter, M., Krebs, R., & Mayer, J. (2017). Stickstoffnutzungseffizienz roher und anaerob vergorener Güllen : eine Studie mit unterschiedlichen 15N Methoden [Conference paper]. In K. Wiesinger, S. Wolfrum, H. Heuwinkel, H. J. Reents, & K.-J. Hülsbergen (eds.), Beiträge zur 14. Wissenschaftstagung Ökologischer Landbau, Ökologischen Landbau weiterdenken - Verantwortung übernehmen - Vertrauen stärken (pp. 314–317). Dr. Köster.
• Berner, F., Maag, D., & Krebs, R. (2007). A simple test system for assessing biofilm development on different surfaces [Conference poster]. Irish Branch of Society for General Microbiology Conference, Limerick, Ireland, 19-20 April 2007, 30.

Other publications

• Krebs, R., Egli, M., Schulin, R., & Tobias, S. (2017). Bodenschutz in der Praxis (1. Auflage). Haupt.
• Baier, U., Kühni, M., Wanner, R., & Krebs, R. (2015). Behandlung des Prozessabwassers aus hydrothermal karbonisiertem Klärschlamm vor der Einleitung in eine ARA. GWF. Wasser, Abwasser.
• Krebs, R., Baier, U., Deller, A., Escala, M., Floris, J., Gerner, G., Hartmann, F., Hölzl, B., Kohler, C., Kühni, M., Stucki, M., & Wanner, R. (2013). Weiterentwicklung der hydrothermalen Karbonisierung zur CO2-sparenden und kosteneffizienten Trocknung von Klärschlamm im industriellen Massstab sowie der Rückgewinnung von Phosphor. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-4975
• Jean Petit Matile, L., Achermann, M., & Krebs, R. (2009). Entwicklung und Anwendung einer Grobscreening-Methode zur Untersuchung des Abbauzustandes von Moorböden am Beispiel des Lobsigensees [Conference poster]. Abstract Volume 7th Swiss Geoscience Meeting, 293. https://doi.org/10.21256/zhaw-4032
• Velea, T., Naghi, E., Cordeanu, A., Petcu, C., Schlumpf, M., Winneke, G., & Krebs, R. (2008). NEPOLL : environmental pollution in the vicinity of an industrial area near Bucharest and the impact upon the health of people living in this area. Danube News, 2008(17), 7–9. https://www.danube-iad.eu/docs/danube_news/Danube_News_17.pdf

Affiliations

Current Affiliations

Lucky Shrimp AG: advisory board
advisory board Lucky Shrimp AG, Winterthur
05 / 2022 - 12 / 2026

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