Helmholtz-Zentrum Dresden-Rossendorf

Thermodynamics of Actinides

Porträt Dr. Stockmann, Madlen; FWOA
Dr. Madlen Stockmann
Phone:+49 351 260 4675
Email: m.stockmannAthzdr.de
AddressPermoserstraße 15
04318 Leipzig

Scientific career

  • Since 2008:
    Research associate at the Helmholtz-Zentrum Dresden-Rossendorf e.V. (HZDR), Institute of Resource Ecology.
  • 2004 - 2008:
    PhD at the University of Leipzig, Institute for Isotope Research (IIF), "Georadiochemische Untersuchungen zur Wechselwirkung und Verteilung von NOM-Spezies der Lanthaniden und chalkophiler Schwermetalle im Bereich historischer Bergbauhalden" (in German).
  • 2002 - 2003:
    Research associate at the Institute for Isotope Research (IIF) at the University of Leipzig.
  • 2002:
    Diploma in Geology at the University of Leipzig.

Research experience

  • Development of innovative approaches (Smart Kd-concept) in safety assessment for nuclear waste disposals.
  • Geochemical modeling of sorption and transport processes of heavy metals and radionuclides in complex systems with PHREEQC.
  • Surface processes at mineral interfaces.
  • Understanding weathering and transport processes in the area of historical mining dumps.


  • 2018 - 2021: iCross Project "Integrity of nuclear waste repository systems - Cross-scale system understanding and analysis" (funded by HGF und BMBF, Contract No. 02 NUK 053B).
    2018 - 2022: SMILE Project "Smart-Kd in Long-Term Safety Assessment - Applications" (funded by BMWi, Contract No. 02 E 11668B).
  • 2016 - 2018: NuWaMa Project "Expansion of a German-Czech Collaboration in the Field of Nuclear Waste Management" (funded by BMBF/DLR-IB, Contract No. 34 2114 2131).
  • 2016 - 2018: NetFlot Project "Network of Infrastructure: Modeling the Flotation Process" (funded by KIC EIT Raw Material, EU-Project, Contract No. 28 2228 22 37).
  • 2012 - 2016: WEIMAR Project "Further Development of the smart Kd-Concept for Long-Term Safety Assessment", Cooperation project with GRS (funded by BMWi, Contract No. 02 E 11072B).
  • 2008 - 2012: ESTRAL Project "Realistic Integration of Sorption Processes in Transport Programs for Long-Term Safety Assessments", Cooperation project with GRS (funded by BMWi, Contract No. 02 E 10528).

Scientific highlights

  • Organization of the International Workshop on "How to integrate geochemistry at affordable costs into reactive transport for large-scale systems”, 5 - 7 February 2020, Helmholtz-Zentrum Dresden-Rossendorf e. V., Germany (www.hzdr.de/smartkd)

Teaching activities

  • NuWaMa Summer School "Deep Geological Repository – the fate of radionuclides" (ÚJV Řež and HZDR, 4. - 8. June 2018).


  • 2012 - 2015: PhD Constanze Richter "Sorption of environmentally relevant radionuclides (U(VI), Np(V)) and lanthanides (Nd(III)) on feldspar and mica" (funded by BMWi in the framework of the WEIMAR Project).


  • 2018: Summer School on Sensitivity Analysis - SAMO 2018 (11. - 15. June 2018).
  • 2016: Hydrogeochemical transport modeling with PHREEQC (22. - 26. August 2016).
  • 2009: Summer School, PHREEQC workshop (5. - 9. October 2009).


  • 2004: 2nd Poster award at the "Geologischen Jahrestagung".


  • Since 1998: Deutsche Geologische Gesellschaft (DGG)



New insights into U(VI) sorption onto montmorillonite from batch sorption and spectroscopic studies at increased ionic strength

Stockmann, M.; Fritsch, K.; Bok, F.; Marques Fernandes, M.; Baeyens, B.; Steudtner, R.; Müller, K.; Nebelung, C.; Brendler, V.; Stumpf, T.; Schmeide, K.


A comprehensive study of the sorption mechanism and thermodynamics of f-element sorption onto K-feldspar

Neumann, J.; Brinkmann, H.; Britz, S.; Lützenkirchen, J.; Bok, F.; Stockmann, M.; Brendler, V.; Stumpf, T.; Schmidt, M.


Simulation of diffusive uranium transport and sorption processes in the Opalinus Clay

Hennig, T.; Stockmann, M.; Kühn, M.

Effect of DTPA on europium sorption onto quartz – Batch sorption experiments and surface complexation modeling

Karimzadeh, L.; Lippold, H.; Stockmann, M.; Fischer, C.

Assessment of flotation kinetics modeling using information criteria; Case studies of elevated-pyritic copper sulfide and high-grade carbonaceous sedimentary apatite ores

Hassanzadehmahaleh, A.; Hoang, D. H.; Stockmann, M.


Effect of glutamic acid on copper sorption onto kaolinite - batch experiments and surface complexation modeling

Karimzadeh, L.; Barthen, R.; Stockmann, M.; Gruendig, M.; Franke, K.; Lippmann-Pipke, J.

Smart Kd-values, their uncertainties and sensitivities - Applying a new approach for realistic distribution coefficients in geochemical modeling of complex systems

Stockmann, M.; Schikora, J.; Becker, D.-A.; Flügge, J.; Noseck, U.; Brendler, V.


The Sorption Processes of U(VI) onto SiO2 in the Presence of Phosphate: from Binary Surface Species to Precipitation

Comarmond, M. J.; Steudtner, R.; Stockmann, M.; Heim, K.; Müller, K.; Brendler, V.; Payne, T. E.; Foerstendorf, H.

Macroscopic and spectroscopic characterization of uranium(VI) sorption onto orthoclase and muscovite and the influence of competing Ca2+

Richter, C.; Müller, K.; Drobot, B.; Steudtner, R.; Großmann, K.; Stockmann, M.; Brendler, V.


Spectroscopic evidence for selenium(IV) dimerization in aqueous solution

Kretzschmar, J.; Jordan, N.; Brendler, E.; Tsushima, S.; Franzen, C.; Foerstendorf, H.; Stockmann, M.; Heim, K.; Brendler, V.


Sorption of U(VI) onto Opalinus Clay: Effects of pH and humic acid

Joseph, C.; Stockmann, M.; Schmeide, K.; Sachs, S.; Brendler, V.; Bernhard, G.

Geochemical study of different-aged mining dump materials in the Freiberg mining district, Germany

Stockmann, M.; Hirsch, D.; Lippmann-Pipke, J.; Kupsch, H.