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Max-Eyth-Allee 100

14469 Potsdam


Tel. +49 (0)331 5699-0


Coordinating institute


Dr. habil Judy Libra
Department: Post Harvest Technology
Research Scientist

Telephone: +49 (0)331 5699 -856

Research programs

Areas of research

Environmental process engineering


·        Hydrothermal carbonization of biomass residuals

(Development of applications, process understanding, process combinations, e.g. APECS)

·        Chemical and biological treatment of water

·        Material and environmental management


Water demand for food production- linking agricultural practices and global change


·        IWRM Iran - Integrated water resource management in the Zayandeh Rud River Basin

·        AgroHyd - World food supply and water resources: an agricultural-hydrological perspective



Further publications

Selected Scientific Journals

Libra J.A., Ro K. S., Kammann C., Funke A., Berge N. D., Neubauer Y., Titirici M.-M., Fühner C., Bens O., Kern J., Emmerich K.-H. (2011). Hydrothermal carbonization of biomass residuals: A comparative review of the chemistry, processes and applications of wet and dry pyrolysis. Biofuels Journal 2011, 2(1), 71-106.

Leu S., Libra J.A., Stenstrom M.K. (2010) Monitoring off-gas O2/CO2 to predict nitrification performance in activated sludge processes. Water Research 44(11): 3434-3444

Schuchardt A., Libra J.A., Sahlmann C., Wiesmann U., Gnirss R. (2007) Evaluation of the oxygen transfer efficiency under process conditions using the dynamic off-gas method. Environmental Technology, 28:479-489

Libra J.A. (2007) Environmental Process Engineering: Building Capacity for Sustainability. Journal of Professional Issues in Engineering Education & Practice, 133 (4) 308-319

Mohey El-Dein A., Libra J.A., Wiesmann U. (2006) Cost analysis for the degradation of highly concentrated textile dye wastewater with chemical oxidation H2O2/UV and biological treatment. J Chem Technol Biotechnol 81:1239–1245

Libra J.A., Borchert M., Banit S. (2003) Competition strategies for the decolorization of a textile reactive dye with the white rot fungi Trametes versicolor under nonsterile conditions. Biotechnology and Bioengineering 82(6) 736-744

Libra J.A., Sosath F. (2003) Comparison of biological and chemical process combinations for the treatment of textile dyehouse wastewater. J Chemical Technology and Biotechnology 78 1149-1156

Erdmann D., Libra J.A. (2002) Umweltmanagement in kleinen und mittelständischen Unternehmen: Vergleich von ACORN und ÖKOPROFIT. Müllmagazin, Nr. 4/2002, 43-46

Hönerhoff, J., Libra J. (1999) New impetus for biogas in Cuba´s changing agriculture: older installations under review. GATE 2/99, 55-56

Libra J., Lapke M., Wesendrup J. (1999) Aufdeckung von Verbesserungsmöglichkeiten mit einem Öko-Bilanzierungskonzept. Im Handbuch: Abwassertechnik in der Produktion, WEKA Fachverlag, Augsburg



Gottschalk C., Libra J.A., Saupe A. (2010) Ozonation of Water and Waste Water -A Practical Guide to Understanding Ozone and its Application. 2nd Edition, Wiley-VCH, Weinheim  (2004 Translation of 1st Edition in Chinese, China Architecture & Building Press)

Kaiser K., Libra J., Merz B., Bens O., Hüttl R.F. (Hrsg.), 2010. Aktuelle Probleme im Wasserhaushalt von Nordostdeutschland: Trends, Ursachen, Lösungen. Scientific Technical Report STR10/10, 239 S. Deutsches GeoForschungsZentrum, Potsdam.

Frobel M., Libra J. (1997) Das Checklistensystem zur EG-Öko-Audit-Verordnung: eine Arbeitshilfe mit Erläuterungen und Praxisbeispielen. Campus Verlag, Frankfurt/Main 1997

Curriculum Vitae

2011-now        Researcher, Leibniz Institute for Agricultural Engineering and Bioeconomy,  in the work group Biochar and in the projects IWRM-Iran:    Integrated Water Resource Management in the Zayandeh Rud River Basin in Iran and AgroHyd: “World food supply and water resources: an agricultural-hydrological perspective”

2009-2011      Coordination/researcher, acatech (German Academy of Science and Engineering), Project: Geo-Resource Water: “The challenges of global change”, GeoForschungsZentrum Potsdam

2006-2008      Researcher, German Federal Environment Agency, Dessau, Section II 2.2 Discharges and Inputs to Surface Water

2002-2005      Consultant; Lecturer, Brandenburgische Technische Universität Cottbus (BTU Cottbus); Habilitation in environmental process engineering, Technische Universität Berlin (TU Berlin)

2001                   Stipend, Berlin Program "Förderung der Chancengleichheit für Frauen in Forschung und Lehre"

1999-2001      Visiting professor, BTU Cottbus, in the international study course ‚Environmental and Resource Management‘

1991-1999      Lecturer and researcher, Institute of Chemical Engineering, TU Berlin, in process-integrated pollution prevention, industrial and municipal wastewater treatment

1988-1991      Cooperation University of California, Los Angeles (UCLA) - TU Berlin, Institute of Chemical Engineering, on stripping volatile compounds in activated sludge processes, Ph.D., Civil Engineering - Water Quality, UCLA



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Leibniz-Institut für Agrartechnik und Bioökonomie e.V. · Max-Eyth-Allee 100 · 14469 Potsdam · Germany · Tel. +49 (0)331 5699 0 · E-mail