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Water Science & Technology—WST Vol 61 No 4 pp 841–857 © IWA Publishing 2010 doi:10.2166/wst.2010.912 
New framework for standardized notation in wastewater treatment modellingLl. Corominas, L. Rieger, I. Takács, G. Ekama, H. Hauduc, P. A. Vanrolleghem, A. Oehmen, K. V. Gernaey, M. C. M. van Loosdrecht and Y. ComeaumodelEAU, Université Laval, Pavillon Pouliot, 1065 av. de la Médecine, Quebec G1V 0A6, QC, Canada E-mail: lluis.corominas@gci.ulaval.ca; rieger@envirosim.com; peter.vanrolleghem@gci.ulaval.caEnviroSim Associates Ltd, 15 Impasse Fauré, Bordeaux 33000, France E-mail: imre@envirosim.com Water Research Group, Department of Civil Engineering, University of Cape Town, Rondebosch, 7701, Cape Town, South Africa E-mail: george.ekama@uct.ac.za Cemagref, EPURE, Parc de Tourvoie, BP44, F-92163, Antony Cedex, France E-mail: helene.hauduc@cemagref.fr CQFB/REQUIMTE, Department of Chemistry, FCT, Universidade Nova de Lisboa, P-2829-516, Caparica, Portugal E-mail: adriano@dq.fct.unl.pt Department of Chemical and Biochemical Engineering, Technical University of Denmark, Building 229, DK-2800 Kgs, Lyngby, Denmark E-mail: kvg@kt.dtu.dk Department of Biotechnology, Delft University of Technology, Julianalaan 67, 2628 BC, Delft, The Netherlands E-mail: M.C.M.vanLoosdrecht@tudelft.nl Department of Civil, Geological and Mining Engineering, Ecole Polytechnique, P.O. box 6079, Station Centre-ville, Montreal H3C 3A7, QC, Canada E-mail: yves.comeau@polymtl.ca ABSTRACT Many unit process models are available in the field of wastewater treatment. All of these models use their own notation, causing problems for documentation, implementation and connection of different models (using different sets of state variables). The main goal of this paper is to propose a new notational framework which allows unique and systematic naming of state variables and parameters of biokinetic models in the wastewater treatment field. The symbols are based on one main letter that gives a general description of the state variable or parameter and several subscript levels that provide greater specification. Only those levels that make the name unique within the model context are needed in creating the symbol. The paper describes specific problems encountered with the currently used notation, presents the proposed framework and provides additional practical examples. The overall result is a framework that can be used in whole plant modelling, which consists of different fields such as activated sludge, anaerobic digestion, sidestream treatment, membrane bioreactors, metabolic approaches, fate of micropollutants and biofilm processes. The main objective of this consensus building paper is to establish a consistent set of rules that can be applied to existing and most importantly, future models. Applying the proposed notation should make it easier for everyone active in the wastewater treatment field to read, write and review documents describing modelling projects. Keywords: ADM; ASM; modeling; nomenclature; wastewater treatment eProduct: Buy this article for £24.00 (IWA MEMBER PRICE: £18.00) All prices include VAT. For customers where VAT should not be applied, the VAT amount will be removed upon payment |
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