Ulf Roland

Summary

Affiliation: UFZ Centre for Environmental Research
Country: Germany

Publications

  1. ncbi request reprint Selectivity of dielectric heating: temperature-programmed desorption (TPD) experiments and initiation of thermo-chromatographic pulses
    Ulf Roland
    UFZ Helmholtz Centre for Environmental Research, Department of Environmental Technology, Permoserstr 15, 04318 Leipzig, Germany
    J Microw Power Electromagn Energy 42:9-16. 2008
  2. ncbi request reprint Influence of salt impregnation on the initiation of thermo-chromatographic pulses by dielectric heating
    Ulf Roland
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Technology, Permoserstr 15, 04318 Leipzig, Germany
    J Microw Power Electromagn Energy 42:45-54. 2008
  3. ncbi request reprint Results of field tests on radio-wave heating for soil remediation
    U Roland
    UFZ Helmholtz Centre for Environmental Research, Department of Environmental Technology, Permoserstrasse 15, D 04318 Leipzig, Germany
    Environ Sci Technol 41:8447-52. 2007
  4. doi request reprint Ambivalent role of water in thermodesorption of hydrocarbons from contaminated soil
    Ulf Roland
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Engineering, Leipzig, Germany
    Environ Sci Technol 45:732-7. 2011
  5. doi request reprint Influence of in situ steam formation by radio frequency heating on thermodesorption of hydrocarbons from contaminated soil
    Ulf Roland
    Department of Environmental Engineering, Helmholtz Centre for Environmental Research UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
    Environ Sci Technol 44:9502-8. 2010
  6. ncbi request reprint Engineering aspects of radio-wave heating for soil remediation and compatibility with biodegradation
    U Roland
    UFZ Helmholtz Centre for Environmental Research, Department of Environmental Technology, Permoserstr 15, D 04318 Leipzig, Germany
    Environ Sci Technol 42:1232-7. 2008
  7. doi request reprint Paramagnetic relaxation enhancement (PRE) as a tool for probing diffusion in environmentally relevant porous media
    Filipe Furtado
    Department of Environmental Engineering, Helmholtz Centre for Environmental Research UFZ, Leipzig, Germany
    Environ Sci Technol 45:8866-72. 2011
  8. ncbi request reprint Migrating temperature "thermo-chromatographic" pulses (TCP) initiated by radio-frequency (RF) heating
    Markus Kraus
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Engineering, Permoserstr 15, 04318 Leipzig, Germany
    J Microw Power Electromagn Energy 46:241-52. 2012
  9. doi request reprint Mobile aliphatic domains in humic substances and their impact on contaminant mobility within the matrix
    Khanneh Wadinga Fomba
    Department of Environmental Engineering, UFZ Helmholtz Centre for Environmental Research, Leipzig, Germany
    Environ Sci Technol 45:5164-9. 2011
  10. ncbi request reprint Influence of moisture content and temperature on the dielectric permittivity of zeolite NaY
    Markus Kraus
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Engineering, Permoserstr 15, 04318 Leipzig, Germany
    Phys Chem Chem Phys 13:4119-25. 2011

Collaborators

Detail Information

Publications11

  1. ncbi request reprint Selectivity of dielectric heating: temperature-programmed desorption (TPD) experiments and initiation of thermo-chromatographic pulses
    Ulf Roland
    UFZ Helmholtz Centre for Environmental Research, Department of Environmental Technology, Permoserstr 15, 04318 Leipzig, Germany
    J Microw Power Electromagn Energy 42:9-16. 2008
    ..The study provided further insight into not only the potential but also the limitations of selective dielectric heating of solid materials relevant to chemical engineering, environmental technology and sorption processing...
  2. ncbi request reprint Influence of salt impregnation on the initiation of thermo-chromatographic pulses by dielectric heating
    Ulf Roland
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Technology, Permoserstr 15, 04318 Leipzig, Germany
    J Microw Power Electromagn Energy 42:45-54. 2008
    ..Consequently, a wide spectrum of silica gels, zeolites and porous alumina can be applied as matrices for TCP-based processes in chemical engineering and environmental technology...
  3. ncbi request reprint Results of field tests on radio-wave heating for soil remediation
    U Roland
    UFZ Helmholtz Centre for Environmental Research, Department of Environmental Technology, Permoserstrasse 15, D 04318 Leipzig, Germany
    Environ Sci Technol 41:8447-52. 2007
    ..General conclusions on the appropriateness and competitiveness of the radio-wave method as well as on preferred application fields are drawn...
  4. doi request reprint Ambivalent role of water in thermodesorption of hydrocarbons from contaminated soil
    Ulf Roland
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Engineering, Leipzig, Germany
    Environ Sci Technol 45:732-7. 2011
    ..At high water content of the SOM, the transfer of the pollutant molecules into the gas phase was found to be markedly hindered by the formation of water films or pore-filling by bulk water, both acting as diffusion barriers...
  5. doi request reprint Influence of in situ steam formation by radio frequency heating on thermodesorption of hydrocarbons from contaminated soil
    Ulf Roland
    Department of Environmental Engineering, Helmholtz Centre for Environmental Research UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
    Environ Sci Technol 44:9502-8. 2010
    ..RF heating was shown to be an appropriate option for thermally enhanced soil vapor extraction, leading to efficient cleaning of contaminated soils...
  6. ncbi request reprint Engineering aspects of radio-wave heating for soil remediation and compatibility with biodegradation
    U Roland
    UFZ Helmholtz Centre for Environmental Research, Department of Environmental Technology, Permoserstr 15, D 04318 Leipzig, Germany
    Environ Sci Technol 42:1232-7. 2008
    ..Therefore, RW-supported microbial degradation of pollutants is a real option for accelerated soil remediation...
  7. doi request reprint Paramagnetic relaxation enhancement (PRE) as a tool for probing diffusion in environmentally relevant porous media
    Filipe Furtado
    Department of Environmental Engineering, Helmholtz Centre for Environmental Research UFZ, Leipzig, Germany
    Environ Sci Technol 45:8866-72. 2011
    ..This new approach enables one to determine the diffusivity of paramagnetic molecules in homogeneous (aqueous solution) and porous media with basic NMR equipment, at low concentrations and in a noninvasive manner...
  8. ncbi request reprint Migrating temperature "thermo-chromatographic" pulses (TCP) initiated by radio-frequency (RF) heating
    Markus Kraus
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Engineering, Permoserstr 15, 04318 Leipzig, Germany
    J Microw Power Electromagn Energy 46:241-52. 2012
    ..It was demonstrated under various conditions and explained by a new model based on own experimental results as well as data from literature. The model will be the objective of a forthcoming publication...
  9. doi request reprint Mobile aliphatic domains in humic substances and their impact on contaminant mobility within the matrix
    Khanneh Wadinga Fomba
    Department of Environmental Engineering, UFZ Helmholtz Centre for Environmental Research, Leipzig, Germany
    Environ Sci Technol 45:5164-9. 2011
    ..These findings further confirm the potential of MAS PFG NMR method in monitoring diffusion processes in particulate humic substances...
  10. ncbi request reprint Influence of moisture content and temperature on the dielectric permittivity of zeolite NaY
    Markus Kraus
    Helmholtz Centre for Environmental Research UFZ, Department of Environmental Engineering, Permoserstr 15, 04318 Leipzig, Germany
    Phys Chem Chem Phys 13:4119-25. 2011
    ..Especially, the measured pronounced maximum of dielectric loss at temperatures below 300 °C and water contents below 4 wt.-% can be explained by the new model...
  11. ncbi request reprint Guest diffusion in interpenetrating networks of micro- and mesopores
    Filipe Furtado
    Department of Environmental Engineering, UFZ Helmholtz Centre for Environmental Research, Leipzig, Germany
    J Am Chem Soc 133:2437-43. 2011
    ..Simple model consideration reproduces the order of magnitude of the measured diffusivities as well as the tendencies in their relation to each other and their concentration dependence...