Konrad Hungerbuhler

Summary

Affiliation: Swiss Federal Institute of Technology
Country: Switzerland

Publications

  1. ncbi request reprint Modeling the effect of snow and ice on the global environmental fate and long-range transport potential of semivolatile organic compounds
    Judith Stocker
    Safety and Environmental Technology Group, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, ETH Zurich, HCI G127, CH 8093, Zurich, Switzerland
    Environ Sci Technol 41:6192-8. 2007
  2. doi request reprint In situ infrared monitoring of the solid/liquid catalyst interface during the three-phase hydrogenation of nitrobenzene over nanosized Au on TiO2
    Gilles Richner
    Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Hönggerberg HCI, 8093 Zurich, Switzerland
    Phys Chem Chem Phys 13:12463-71. 2011
  3. ncbi request reprint Levels, fluxes and time trends of persistent organic pollutants in Lake Thun, Switzerland: combining trace analysis and multimedia modeling
    Christian Bogdal
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Strasse 10, CH 8093 Zurich, Switzerland
    Sci Total Environ 408:3654-63. 2010
  4. doi request reprint Estimating consumer exposure to PFOS and PFOA
    David Trudel
    Institute for Chemical and Bioengineering, Wolfgang Pauli Str 10, ETH Zurich, CH 8093 Zurich, Switzerland
    Risk Anal 28:251-69. 2008
  5. ncbi request reprint On-line reaction monitoring of lithiation of halogen substituted acetanilides via in situ calorimetry, ATR spectroscopy, and endoscopy
    Tamas A Godany
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Str 10, HCI G130, CH 8092 Zurich
    Chimia (Aarau) 65:253-5. 2011
  6. ncbi request reprint Molecular-structure-based models of chemical inventories using neural networks
    Gregor Wernet
    Swiss Federal Institute of Technology, Safety and Environmental Technology Group, HCI G143, Wolfgang Pauli Strasse 10, CH 8093 Zurich
    Environ Sci Technol 42:6717-22. 2008
  7. doi request reprint Mercury cycling and species mass balances in four North American lakes
    Asif Qureshi
    Safety and Environmental Technology Group, Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Pollut 157:452-62. 2009
  8. doi request reprint Blast from the past: melting glaciers as a relevant source for persistent organic pollutants
    Christian Bogdal
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 43:8173-7. 2009
  9. doi request reprint Bisphenol a: how the most relevant exposure sources contribute to total consumer exposure
    Natalie von Goetz
    Institute of Chemical and Bioengineering, ETH Zurich, Zurich, Switzerland
    Risk Anal 30:473-87. 2010
  10. doi request reprint Quantification of sources of PCBs to the atmosphere in urban areas: a comparison of cities in North America, Western Europe and former Yugoslavia
    Bojan Gasic
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Pollut 158:3230-5. 2010

Collaborators

Detail Information

Publications33

  1. ncbi request reprint Modeling the effect of snow and ice on the global environmental fate and long-range transport potential of semivolatile organic compounds
    Judith Stocker
    Safety and Environmental Technology Group, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, ETH Zurich, HCI G127, CH 8093, Zurich, Switzerland
    Environ Sci Technol 41:6192-8. 2007
    ..The presence of snow and ice thus considerably changes the environmental fate of SOCs...
  2. doi request reprint In situ infrared monitoring of the solid/liquid catalyst interface during the three-phase hydrogenation of nitrobenzene over nanosized Au on TiO2
    Gilles Richner
    Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Hönggerberg HCI, 8093 Zurich, Switzerland
    Phys Chem Chem Phys 13:12463-71. 2011
    ..Combined with H(2) uptake, the spectroscopic measurements provided new insights into the reaction mechanism of the gold catalysed hydrogenation of nitrobenzene and an update of the corresponding kinetics...
  3. ncbi request reprint Levels, fluxes and time trends of persistent organic pollutants in Lake Thun, Switzerland: combining trace analysis and multimedia modeling
    Christian Bogdal
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Strasse 10, CH 8093 Zurich, Switzerland
    Sci Total Environ 408:3654-63. 2010
    ..If the use and resulting environmental emissions decrease, concentrations in water will rapidly decline, according to our calculations, while sediment levels will decrease at a considerably slower rate...
  4. doi request reprint Estimating consumer exposure to PFOS and PFOA
    David Trudel
    Institute for Chemical and Bioengineering, Wolfgang Pauli Str 10, ETH Zurich, CH 8093 Zurich, Switzerland
    Risk Anal 28:251-69. 2008
    ..The uptake estimates based on scenarios are within the range of values derived from blood serum data by applying a one-compartment pharmacokinetic model...
  5. ncbi request reprint On-line reaction monitoring of lithiation of halogen substituted acetanilides via in situ calorimetry, ATR spectroscopy, and endoscopy
    Tamas A Godany
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Str 10, HCI G130, CH 8092 Zurich
    Chimia (Aarau) 65:253-5. 2011
    ..The combined on-line monitoring revealed the differences between the reaction paths of the chosen substrates. Thus the product structure and the reaction times for the individual reaction steps can be determined in situ...
  6. ncbi request reprint Molecular-structure-based models of chemical inventories using neural networks
    Gregor Wernet
    Swiss Federal Institute of Technology, Safety and Environmental Technology Group, HCI G143, Wolfgang Pauli Strasse 10, CH 8093 Zurich
    Environ Sci Technol 42:6717-22. 2008
    ..The models can assist process developers to improve energy efficiency in all design stages and aid in LCA and supply chain management by filling data gaps...
  7. doi request reprint Mercury cycling and species mass balances in four North American lakes
    Asif Qureshi
    Safety and Environmental Technology Group, Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Pollut 157:452-62. 2009
    ..Any new model application or field campaign to quantify mercury cycling in a lake should consider these processes as important...
  8. doi request reprint Blast from the past: melting glaciers as a relevant source for persistent organic pollutants
    Christian Bogdal
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 43:8173-7. 2009
    ..Considering ongoing global warming and accelerated massive glacier melting predicted for the future, our study indicates the potential for dire environmental impacts due to pollutants delivered into pristine mountainous areas...
  9. doi request reprint Bisphenol a: how the most relevant exposure sources contribute to total consumer exposure
    Natalie von Goetz
    Institute of Chemical and Bioengineering, ETH Zurich, Zurich, Switzerland
    Risk Anal 30:473-87. 2010
    ..Similarly, the exposure levels we predict are confirmed by the levels reported in these studies...
  10. doi request reprint Quantification of sources of PCBs to the atmosphere in urban areas: a comparison of cities in North America, Western Europe and former Yugoslavia
    Bojan Gasic
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Pollut 158:3230-5. 2010
    ..Our emission rates from the three cities agree within a factor of ten with emission estimates from a global PCB emission inventory derived from production and usage estimates and emission factors...
  11. doi request reprint Contrasting temporal trends and relationships of total organic carbon, black carbon, and polycyclic aromatic hydrocarbons in rural low-altitude and remote high-altitude lakes
    Christian Bogdal
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Strasse 10, CH 8093 Zurich, Switzerland
    J Environ Monit 13:1316-26. 2011
    ..High flux of BC into Lake Stein, combined with constant temporal evolutions of BC and PAHs, and in particular BC/TOC ratios approaching 100% are all strong indications for a geogenic presence of graphite in its catchment area...
  12. ncbi request reprint Probabilistic approaches in the effect assessment of toxic chemicals. What are the benefits and limitations?
    Martin Scheringer
    Laboratory of Chemical Engineering, Swiss Federal Institute of Technology Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Pollut Res Int 9:307-14. 2002
    ....
  13. ncbi request reprint Organic pollutant removal versus toxicity reduction in industrial wastewater treatment: the example of wastewater from fluorescent whitening agent production
    Annette Köhler
    ETH Zurich, Safety and Environmental Technology Group, 8093 Zurich, Switzerland
    Environ Sci Technol 40:3395-401. 2006
    ..Therefore, simultaneously conducting TOC measurements and toxicity tests, as demonstrated in the current work, is recommended...
  14. ncbi request reprint Estimating enthalpy of vaporization from vapor pressure using Trouton's rule
    Matthew Macleod
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 41:2827-32. 2007
    ..The uncertainty associated with estimating delta H(VAP)degrees from P(L) degrees using this relationship is acceptable for most environmental fate modeling of non-hydrogen-bonding semivolatile organic chemicals...
  15. ncbi request reprint Confronting workplace exposure to chemicals with LCA: examples of trichloroethylene and perchloroethylene in metal degreasing and dry cleaning
    Stefanie Hellweg
    Swiss Federal Institute of Technology, Safety and Environmental Technology Group, ETH Honggerberg, CH 8093 Zurich, Switzerland
    Environ Sci Technol 39:7741-8. 2005
    ..We therefore conclude that occupational health effects need to be considered in LCA to prevent overlooking key environmental-health impacts in LCA...
  16. ncbi request reprint The origin and significance of short-term variability of semivolatile contaminants in air
    Matthew Macleod
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093, Zurich Switzerland
    Environ Sci Technol 41:3249-53. 2007
    ..Such studies will contribute to more accurate understanding of the processes controlling the short-term local, and long-term global fate of persistent semivolatile contaminants...
  17. ncbi request reprint Life-cycle inventory of waste solvent distillation: statistical analysis of empirical data
    Christian Capello
    Swiss Federal Institute of Technology, Safety and Technology Group, ETH Honggerberg, HCI G143, CH 8093 Zurich, Switzerland
    Environ Sci Technol 39:5885-92. 2005
    ..g. Monte Carlo Simulation). In a case study we illustrate the application of the inventory data ranges according to situations of differing data availability...
  18. ncbi request reprint Investigating the mechanics of multimedia box models: how to explain differences between models in terms of mass fluxes?
    Martin Scheringer
    Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology Zurich, CH 8093 Zurich
    Environ Toxicol Chem 23:2433-40. 2004
    ..The future potential of the method for comparing not only versions of the same model but also models of different structure is discussed...
  19. ncbi request reprint The effect of export to the deep sea on the long-range transport potential of persistent organic pollutants
    Martin Scheringer
    Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Pollut Res Int 11:41-8. 2004
    ..Export to the deep sea has been found to be a relevant pathway for highly hydrophobic chemicals. The objective of this study is to investigate the influence of this process on the potential for long-range transport (LRT) of such chemicals...
  20. ncbi request reprint Input-dependent life-cycle inventory model of industrial wastewater-treatment processes in the chemical sector
    Annette Köhler
    Empa, Technology and Society Laboratory, Uberlandstrasse 129, CH 8600 Diibendorf, Switzerland
    Environ Sci Technol 41:5515-22. 2007
    ..Thus, they substantially help to perform an environmental assessment of industrial wastewater purification in the chemical and associated industries, which may be used, for instance, for technology choices...
  21. ncbi request reprint Investigating the global fate of DDT: model evaluation and estimation of future trends
    Urs Schenker
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 42:1178-84. 2008
    ..Whereas environmental concentrations and estimated future emissions are at steady state after about 10 years in temperate and tropical regions, this takes over 50 years in the Arctic...
  22. ncbi request reprint Using information on uncertainty to improve environmental fate modeling: a case study on DDT
    Urs Schenker
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 43:128-34. 2009
    ..Sensitivity analysis and Bayesian Monte Carlo approach in combination provide new insight into important processes that govern the global fate and persistence of DDT in the environment...
  23. doi request reprint Release of legacy pollutants from melting glaciers: model evidence and conceptual understanding
    Christian Bogdal
    Institute for Chemical and Bioengineering, ETH Zurich, Zurich, Switzerland
    Environ Sci Technol 44:4063-9. 2010
    ....
  24. ncbi request reprint Estimation of cumulative aquatic exposure and risk due to silver: contribution of nano-functionalized plastics and textiles
    Sabine A Blaser
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Sci Total Environ 390:396-409. 2008
    ..However, our study indicates that PEC/PNEC ratios greater than 1 cannot be ruled out for freshwater ecosystems, in particular sediments. No risk is predicted for microbial communities in sewage treatment plants...
  25. ncbi request reprint Assessments of direct human exposure: the approach of EU risk assessments compared to scenario-based risk assessment
    Matthias Wormuth
    Institute for Chemical and Bioengineering, ETH Zurich, Zurich, Switzerland
    Risk Anal 27:979-90. 2007
    ..Also, the data sets used to assess human exposure should be harmonized, summarized in a transparent fashion, and made accessible for all risk assessors and the public...
  26. ncbi request reprint Measuring and modeling short-term variability of PCBs in air and characterization of urban source strength in Zurich, Switzerland
    Bojan Gasic
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 43:769-76. 2009
    ..Such studies can provide important information to derive regional and national POPs emission inventories as required under the Stockholm Convention, and to quantify the effectiveness of actions to reduce POP emissions...
  27. ncbi request reprint Contribution of volatile precursor substances to the flux of perfluorooctanoate to the Arctic
    Urs Schenker
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 42:3710-6. 2008
    ....
  28. ncbi request reprint Alternative approaches for modeling gas-particle partitioning of semivolatile organic chemicals: model development and comparison
    Christian W Götz
    Safety and Environmental Technology Group, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, ETH Zurich, Switzerland
    Environ Sci Technol 41:1272-8. 2007
    ..Practical application of the ppLFER-based model to a wide range of chemicals is currently limited by data gaps in measured Abraham solvation parameters and uncertainties in estimation methods...
  29. doi request reprint Quantifying remoteness from emission sources of persistent organic pollutants on a global scale
    Harald Von Waldow
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Strasse 10, 8093 Zurich, Switzerland
    Environ Sci Technol 44:2791-6. 2010
    ..Our results can be used to plan future measurement campaigns and extend monitoring networks...
  30. doi request reprint Remoteness from emission sources explains the fractionation pattern of polychlorinated biphenyls in the northern hemisphere
    Harald Von Waldow
    Institute for Chemical and Bioengineering, ETH Zurich, Wolfgang Pauli Strasse 10, 8093 Zurich, Switzerland
    Environ Sci Technol 44:6183-8. 2010
    ....
  31. ncbi request reprint Including degradation products of persistent organic pollutants in a global multi-media box model
    Urs Schenker
    ETH Zurich, Institute for Chemical and Bioengineering, 8093 Zurich, Switzerland
    Environ Sci Pollut Res Int 14:145-52. 2007
    ..The goal of this project was to gain an overview of the general importance of degradation products for environmental fate models, and to expand existing, exposure-based hazard indicators to take degradation products into account...
  32. ncbi request reprint Dependence of persistence and long-range transport potential on gas-particle partitioning in multimedia models
    Christian W Götz
    Institute for Chemical and Bioengineering, ETH Zurich, Switzerland
    Environ Sci Technol 42:3690-6. 2008
    ..If the required chemical property data are available, the ppLFER approach holds considerable potential to improve the gas-particle partitioning description for polar chemicals in multimedia models...
  33. ncbi request reprint Modeling the environmental fate of polybrominated diphenyl ethers (PBDEs): the importance of photolysis for the formation of lighter PBDEs
    Urs Schenker
    Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
    Environ Sci Technol 42:9244-9. 2008
    ..Uncertainties of the model estimates are quantified and their implications for the findings of our study discussed...