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Of: Dynamic Modeling of Sludge Compaction and Consolidation Processes in Wastewater Secondary Settling Tanks, A. Abusam and K.J. Keesman, 81, 51‐56 (2009)

Based on Hooke’s law and previous work on secondary consolidation processes, the compaction and consolidation process in a settler has been described by Abusam and Keesman (2009). As an extension to that, in this contribution is it shown that the secondary consolidation process obeys first-order dynamics and that the time constant of the process can be expressed in terms of the dilution rate of the settler, allowing a physical interpretation.