Title: Integrating ultrasonic disintegration in activated sludge wastewater treatment plant modeling
Authors: Pham, Huy Hoang
Lambert, Nico
Buffel, Pieter
Van Eyck, Kwinten
Van den Broeck, Rob
Dewil, Raf
Smets, Ilse # ×
Issue Date: 2015
Publisher: Desalination Publications
Series Title: Desalination and Water Treatment issue:Published online: 17 Apr 2015 pages:1-11
Abstract: This paper presents an integrated mathematical model that is capable of predicting and assessing the impact of ultrasonic (US) treatment on the excess activated sludge production in an activated sludge wastewater treatment system. Biological processes in the reactor are simulated in Matlab®/Simulink by the ASM1 model into which two algebraic equations, which capture the US treatment, are integrated. Calibration and validation data series come from a pilot plant installed at two locations, i.e., at a communal wastewater treatment plant (Mechelen-Noord) and at an industrial food flavor production site Haasrode, both located in the Flanders region of Belgium. The results show that the built-up model is capable of correctly predicting excess sludge reduction in the treatment system (which is a sequencing batch reactor in both cases). A reduction of approximately 42% for the communal case study can be reported, while the result obtained for the industrial case study, characterized by a very high organic loading, is quite comparable, i.e., about 38%. The latter represents a huge amount of excess sludge avoided given the nominally very high sludge production rate. The model can now be exploited to maximize the excess sludge reduction while minimizing the US operational costs.
ISSN: 1944-3994
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Bio- & Chemical Systems Technology, Reactor Engineering and Safety Section
Faculty of Engineering Technology Services, Technology Campus De Nayer Sint-Katelijne-Waver
Sustainable Chemical Process Technology TC, Technology Campus De Nayer Sint-Katelijne-Waver
Sustainable Chemical Process Technology TC
Department of Health and Technology - UC Leuven
× corresponding author
# (joint) last author

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