Activated Sludge Treatment
An Experimental Investigation
Farhana Nguyen
Corresponding
University of Illinois at Urbana-Champaign
Abstract
Existing empirical formulae for activated sludge treatment were derived abroad and may not suit the conditions prevailing in steel bridge girders. Model parameters are calibrated against field observations using ant colony optimisation. The new formulation reproduced 7 independent data sets with satisfactory accuracy. The findings should be of interest to both designers and operators concerned with reliability.
Keywords:
activated sludge treatmentant colony optimisationsoil liquefactioncomposite materialsgroundwater modelling
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