Implementing ADM1 for plant-wide benchmark simulations in Matlab/Simulink

Rosén, Christian; Vrečko, Darko; Gernaey, Krist V.; Pons, Marie‐Noëlle; Jeppsson, Ulf

doi:10.2166/wst.2006.521

Cited by 125 publications

(107 citation statements)

References 7 publications

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“…All those processes are not operated and controlled as individual processes on a localized level yet all interactions between the different processes are taken into account. The development of plant-wide modeling in the wastewater treatment field is very attractive to many researchers since it provides an overall view of the processes included in the treatment so it provides a more comprehensive understanding of the many complicated interactions between the various unit processes [6].…”

Section: Introductionmentioning

confidence: 99%

Plant-Wide Simulation for a Mega WWTP: A Case Study of Gabal ElAsfar WWTP, Egypt

Elawwad¹,

Abo-Zaid²,

Edward³

2017

International Conference of Recent Trends in Environmental Science and Engineering

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-Modeling of wastewater treatment plants (WWTPs) has proven itself as a very useful tool for understanding and optimizing wastewater processes. A validated model can be quite beneficial in terms of cost saving due to the prediction of the outcome of various operation scenarios and choosing the optimum operation strategy. In this paper, BioWin model (Envirosim, Canada) was used to describe the performance of an Egyptian wastewater treatment plant located in Cairo, Egypt. Gabal El-Asfar WWTP is a mega WWTP, the largest in Africa and the Middle East, and receiving municipal wastewater. Applying the Good Modeling Practice (GMP) protocol showed clear organized steps for successful modeling of Gabal El-Asfar WWTP. Historical data and design reports have been collected and various site visits have been made besides a detailed sampling campaign to perform a proper wastewater characterization and a successful model calibration. The model calibration was performed under steady-state conditions by adjusting seven stoichiometric and kinetic parameters: heterotrophic maximum growth rate, heterotrophic aerobic decay rate, substrate half saturation, maximum AOB growth rate, AOB decay rate, NH 4 substrate half saturation, and finally maximum NOB growth rate. The model was calibrated and validated using BioWin v.5.2 software. The BioWin model was successfully used for creating a plant-wide model for Gabal El-Asfar WWTP with accuracy high enough to perform plant optimization in further studies.

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Section: Introductionmentioning

confidence: 99%

Plant-Wide Simulation for a Mega WWTP: A Case Study of Gabal ElAsfar WWTP, Egypt

Elawwad¹,

Abo-Zaid²,

Edward³

2017

International Conference of Recent Trends in Environmental Science and Engineering

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“…Models like ADM1, which have a large range of time constants are considered to be stiff models (Rosen et al, 2006). Hence, the variable-step solver from MATLAB ode15s specifically recommended for this type of DE systems was chosen.…”

Section: Model Implementationmentioning

confidence: 99%

“…Due to this fact, a simplification made to the original ADM1 was establishing a fixed pH. The pH is a faster state variable compared to most of the other variables in the ADM1 which contributes, together with the hydrogen state, to the stiffness of the model (Rosen et al, 2006). According to the operating conditions, the simulated pH of R1 and R2 were fixed to 5.5 and 7.0, respectively.…”

Section: Model Modificationsmentioning

confidence: 99%

Modeling the Two-Stage Anaerobic Digestion of Domestic Wastewater With the Development of a Monitoring Application

Lille

Forstner

Groß

et al. 2016

Braz. J. Chem. Eng.

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-The IWA Anaerobic Digestion Model No. 1 (ADM1) was chosen to simulate a two-stage anaerobic digestion lab-scale plant treating domestic wastewater. Initially, the model was preliminary tested using synthetic wastewater. The simulation results were satisfactorily compared to NH 4 + and chemical oxygen demand (COD) data for the first and second stages, respectively. A transformation method was then applied to estimate from the domestic wastewater composition the input variables to the ADM1. After proper calibration and further validation, the model was able to successfully predict the COD degradation from a varying influent, showing its practical applicability. Finally, a standalone application based on the validated model was developed to be used for monitoring purposes at the treatment plant. The developed application is suitable for direct implementation at a full-scale plant without the need of additional software or specialized assistance.

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“…Entry of these experts into the field also accelerated entry of new researchers, given that a number of cross-verified implementations were published and made freely available. The most popular of these is probably the Matlab implementation (Rosen & Jeppsson, 2006), which has moved through several iterations, and has been used worldwide in multiple published studies. The main other models in use apart from the ADM1 (or derivatives) are simplified models developed for specific applications.…”

Section: Tecno Lógicasmentioning

confidence: 99%

Anaerobic digestion modeling: from one to several bacterial populations

Ramírez-Rivas¹

2011

TecnoL.

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Los sistemas de digestión anaeróbica son procesos complejos que desafortunadamente a menudo sufren de inestabilidad. A fin de diseñar, optimizar y operar eficientemente estos sistemas es necesario desarrollar estrategias apropiadas de control. Estas estrategias requieren, en general del desarrollo de modelos matemáticos. El proceso de digestión anaerobia comprende una red compleja de reacciones secuenciales y paralelas de naturaleza bioquímica y fisicoquímica. Generalmente, estas reacciones contienen un paso en particular, denominado reacción-limitante el cual siendo el más lento, limita la tasa de reacción del proceso global. Los primeros intentos del modelado de la digestión anaerobia condujeron a modelos que describen este paso limitante. Sin embargo, en una amplia gama de condiciones de funcionamiento, el paso limitante no siempre es el mismo. Este puede depender de las características de las aguas residuales, de la carga hidráulica, de la temperatura, etc. Es evidente que la "hipótesis del paso limitante" conduce a modelos simples y fácilmente utilizables. Sin embargo, estos modelos no describen muy bien el comportamiento del digestor, especialmente en condiciones transitorias de funcionamiento. Este trabajo revisa el estado del arte en modelización de la digestión anaerobia. Damos una breve descripción de los modelos clave de digestión anaerobia que se han desarrollado hasta el momento para describir sistemas con crecimiento de biomasa, incluyendo el modelo de digestión anaerobia No 1 (ADM1) de la Asociación Internacional del Agua (IWA) e identificamos las áreas que requieren esfuerzos futuros de investigación.

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Implementing ADM1 for plant-wide benchmark simulations in Matlab/Simulink

Cited by 125 publications

References 7 publications

Plant-Wide Simulation for a Mega WWTP: A Case Study of Gabal ElAsfar WWTP, Egypt

Plant-Wide Simulation for a Mega WWTP: A Case Study of Gabal ElAsfar WWTP, Egypt

Modeling the Two-Stage Anaerobic Digestion of Domestic Wastewater With the Development of a Monitoring Application

Anaerobic digestion modeling: from one to several bacterial populations

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