A benchmark simulation model to describe plant-wide phosphorus transformations in WWTPs

Xavier Flores-Alsina, D. Ikumi, C. Kazadi-Mbamba, K. Solon, S. Tait, C. J. Brouckaert, G. A. Ekama, D.J. Batstone, U. Jeppsson, K. V. Gernaey

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Abstract

It is more than 10 years since the publication of the BSM1 technical report (Copp, 2002). The main objective of BSM1 was to create a platform for benchmarking C and N removal strategies in activated sludge systems. The initial platform evolved into BSM1_LT and BSM2, which allowed for the evaluation of monitoring and plant-wide control strategies, respectively. In addition, researchers working within the IWA Task Group on Benchmarking of Control Strategies for Wastewater Treatment Plants developed other BSM related spin-off products, such as the dynamic influent generator, sensor/actuators/fault models and the different implementations of the ADM1, which have been widely used as stand-alone applications in both industry and academia. The fact that the BSM platforms (or related material) have resulted in 500+ publications demonstrates (Gernaey et al., 2014) the interest for the tools within the scientific community. In this paper, a highly necessary extension of the BSM2 is proposed. This extension aims at facilitating simultaneous C, N and P removal process development and performance evaluation at a plant-wide level. The main motivation of the work is that numerous wastewater treatment plants (WWTPs) pursue biological/chemical phosphorus removal. However, realistic descriptions of combined C, N and P removal, adds a major, but unavoidable degree of complexity in wastewater treatment process models. This paper identifies and discusses important issues that need to be addressed to upgrade the BSM2 to BSM2-P, for example: 1) new/upgraded mathematical models; 2) model integration; 3) new influent characterization; 4) new plant layout; and, 5) new/extended evaluation criteria. The paper covers and analyses all these aspects at a reasonable level of detail, identifies the main bottlenecks that need to be addressed and presents the simulation results of the first software prototype.
Original languageEnglish
Publication date2015
Number of pages4
Publication statusPublished - 2015
Event9th IWA Symposium on Systems Analysis and Integrated Assessment (Watermatex 2015) - Gold Coast, Queensland, Australia
Duration: 14 Jun 201517 Jun 2015
Conference number: 9
http://www.awmc.uq.edu.au/conf/watermatex2015

Conference

Conference9th IWA Symposium on Systems Analysis and Integrated Assessment (Watermatex 2015)
Number9
Country/TerritoryAustralia
CityGold Coast, Queensland
Period14/06/201517/06/2015
Internet address

Keywords

  • Benchmark Simulation Model
  • Nutrient removal
  • Phosphorus precipitation
  • Physicochemical modelling

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