Vera Iversen

Summary

Country: Germany

Publications

  1. ncbi Side effects of flux enhancing chemicals in membrane bioreactors (MBRs): study on their biological toxicity and their residual fouling propensity
    V Iversen
    Department of Chemical Engineering, University of Technology Berlin, Strasse des 17 Juni 136, MA 5 7, 10623, Berlin, Germany
    Water Sci Technol 57:117-23. 2008
  2. ncbi Impacts of membrane flux enhancers on activated sludge respiration and nutrient removal in MBRs
    Vera Iversen
    Technische Universitat Berlin, Strasse des 17 Juni 136, Sekr MA 5 7, 10623 Berlin, Germany
    Water Res 43:822-30. 2009
  3. ncbi Impact of ambient conditions on SMP elimination and rejection in MBRs
    Anja Drews
    Department of Chemical Engineering, Technische Universitat Berlin, Strasse des 17, Juni 136, Sekr MA 5 7, 10623 Berlin, Germany
    Water Res 41:3850-8. 2007
  4. ncbi Occurrence, source, and fate of dissolved organic matter (DOM) in a pilot-scale membrane bioreactor
    Fangang Meng
    Technische Universitat Berlin, 10623 Berlin, Germany
    Environ Sci Technol 43:8821-6. 2009
  5. ncbi Continuous measurement and control of fouling active compounds in membrane bioreactor systems
    M Ernst
    Technische Universitat Berlin, Centre for Water in Urban Areas, Strasse des 17 Juni 135, D 10623, Berlin, Germany
    Water Sci Technol 56:11-9. 2007

Detail Information

Publications5

  1. ncbi Side effects of flux enhancing chemicals in membrane bioreactors (MBRs): study on their biological toxicity and their residual fouling propensity
    V Iversen
    Department of Chemical Engineering, University of Technology Berlin, Strasse des 17 Juni 136, MA 5 7, 10623, Berlin, Germany
    Water Sci Technol 57:117-23. 2008
    ..OUR tests did not show inhibiting effects for most additives. Chitosan even showed an enhanced OUR due to biodegradability. Oxygen transfer could be enhanced for 25% with the addition of a polymer...
  2. ncbi Impacts of membrane flux enhancers on activated sludge respiration and nutrient removal in MBRs
    Vera Iversen
    Technische Universitat Berlin, Strasse des 17 Juni 136, Sekr MA 5 7, 10623 Berlin, Germany
    Water Res 43:822-30. 2009
    ..Results show that the changes in kLa values were mostly not significant, however, a decrease of 13% in oxygen transfer was found for sludge treated with PACl...
  3. ncbi Impact of ambient conditions on SMP elimination and rejection in MBRs
    Anja Drews
    Department of Chemical Engineering, Technische Universitat Berlin, Strasse des 17, Juni 136, Sekr MA 5 7, 10623 Berlin, Germany
    Water Res 41:3850-8. 2007
    ..Apparently, mainly the nitrite-oxidising community is responsible for the formation for smaller SMP molecules that can pass the membrane...
  4. ncbi Occurrence, source, and fate of dissolved organic matter (DOM) in a pilot-scale membrane bioreactor
    Fangang Meng
    Technische Universitat Berlin, 10623 Berlin, Germany
    Environ Sci Technol 43:8821-6. 2009
    ..The LC-OCD analysis, together with the results obtained from batch tests, suggested bound EPS might be the most important source of DOM in the sludge suspension...
  5. ncbi Continuous measurement and control of fouling active compounds in membrane bioreactor systems
    M Ernst
    Technische Universitat Berlin, Centre for Water in Urban Areas, Strasse des 17 Juni 135, D 10623, Berlin, Germany
    Water Sci Technol 56:11-9. 2007
    ..This was also the case for the organic bio-polymer fraction, especially in manipulated bench experiments at abruptly changing redox conditions...