R. Dupont et O. Sinkjaer, OPTIMIZATION OF WASTE-WATER TREATMENT PLANTS BY MEANS OF COMPUTER-MODELS, Water science and technology, 30(4), 1994, pp. 181-190
Citations number
10
Categorie Soggetti
Water Resources","Environmental Sciences","Engineering, Civil
The objective of the work presented is to demonstrate how computer bas
ed models can be used to improve the effluent quality from wastewater
treatment plants by optimisation of the operation. The investigation w
as carried out in connection with pilot plant investigations at Damhus
aen Wastewater Treatment Plant in order to establish the design basis
for upgrading the treatment plants in the city of Copenhagen. Calibrat
ion of the model was done with thorough characterisation of the wastew
ater and the activated sludge as the primary calibration tool. Special
attention was paid to the nitrincation process, which by previous inv
estigations was shown to be occasionally inhibited. Model constants fo
r the nitrification process were determined from experiments. Default
constants were used for nearly all other constants. The pilot plant wa
s optimized with the calibrated model, Different operational strategie
s for improvement of the denitrification process were tested. The deni
trification process was operated relatively poorly at the time for the
optimisation. The calibration showed that it was possible to calibrat
e the model using the characterization of the wastewater and the activ
ated sludge as the primary calibration tool. Further it was shown that
the calibrated model could be used as a tool for optimising the opera
tion of the pilot plant. The suggested operation correlated well with
the practical realisable operation.