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Cost-efficient operation of a denitrifying activated sludge process
Dalarna University, School of Technology and Business Studies, Electrical Engineering.
2007 (English)In: Water Research, ISSN 0043-1354, E-ISSN 1879-2448, Vol. 41, no 11, 2325-2332 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, the choice of optimal set-points and cost minimizing control strategies for the denitrification process in an activated sludge process are treated. In order to compare different criterion functions, simulations utilizing the COST/IWA simulation benchmark are considered. By means of operational maps the results are visualized. It is found that it is easy to distinguish set-point areas where the process can be said to be efficiently controlled in an economic sense. The characteristics of these set-point areas depend on the chosen effluent nitrate set-point as well as the distribution of the different operating costs. It is also discussed how efficient control strategies may be accomplished.

Place, publisher, year, edition, pages
2007. Vol. 41, no 11, 2325-2332 p.
Keyword [en]
activated sludge process, cost-efficient operation, denitrification operational maps, fee functions
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:du-17616DOI: 10.1016/j.watres.2006.10.031ISI: 000247131200003PubMedID: 17451780OAI: oai:DiVA.org:du-17616DiVA: diva2:816055
Available from: 2015-06-02 Created: 2015-06-01 Last updated: 2015-11-10Bibliographically approved

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