TU Delft

Three-dimensional dual morphotype species modeling of activated sludge flocs

Antonio M.P. Martins, Cristian Picioreanu, Josef J. Heijnen, Mark C.M. van Loosdrecht*
Department of Biotechnology, Delft University of Technology
Julianalaan 67, 2628 BC Delft, The Netherlands.
Tel: +31-(0)15-2781551, Fax: +31-(0)15-2782355
*Corresponding author. E-mail: M.C.M.VanLoosdrecht@tnw.tudelft.nl

This web page includes video files of the simulations presented in the paper "Three-dimensional dual morphotype species modeling of activated sludge flocs" Environmmenal Science and Technology, 38, 5632-5641.

Click on images to see movies (size 0.5 to 1.5 Mb) encoded with DivX5.2.
To view the movies you must install the freeware DivX5.2 (get it here).



Only floc-former
Only floc-former
Floc-former + Filaments
Scenario  case With carrier
Without carrier
Without carrier


umax = 24  day-1


Without attachment
  High DO (1.5 mgO2/L)
C1
Case C1
A1
Case A1
B1
Case B1
  LowDO (0.2 mgO2/L) C2
Case C2
A2
Case A2
B2
Case B2


With attachment
  High DO (1.5 mgO2/L)
A3
Case A3
B3
Case B3
  LowDO (0.2 mgO2/L)
A4
Case A4
B4
Case B4


umax = 10  day-1


Without attachment
  LowDO (0.2 mgO2/L)
A5
Case A5
B5



With attachment
  LowDO (0.2 mgO2/L)
A6
Case A6
B6



umax = 6  day-1


Without attachment
  LowDO (0.2 mgO2/L)
A7
Case A7
B7
Case B7


With attachment
  LowDO (0.2 mgO2/L)
A8
Case A8
B8
Case B8




2004 - Biofilm modelling group at the TU Delft