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An evaluation of an MBBR anammox model - sensitivity analysis and calibration
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Scientific Computing.
2016 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

 This master thesis is about mathematical modelling of the anammox process with a

moving bed biofilm reactor (MBBR) for a reject water application. Specifically, the aim

of my research was to find out whether the model proposed by Erik Lindblom in

(Lindblom et al. 2016) is a good model for this purpose and worth continuous

research and optimization.

The code for the model, implemented in Matlab/Simulink, was given; although not

initially functioning in the given condition. Some modifications needed to be done to

make it function properly. In order to confirm that the code was working and used in

a correct way some results in (Lindblom et al. 2016) were reproduced. Before

starting the evaluation of the model, some much-needed optimizations of the code

were done, substantially reducing the run time.

A sensitivity analysis was done, and the five most sensitive parameters were picked

out to be used in the calibration. The calibration improved the total fit of the model

to the available measurements, although one of the model outputs could not be

calibrated satisfactorily.

In short, I found that although there are still problems left to solve before the model

can be stated to accurately model the anammox process with MBBR, it appears

promising. Most importantly, more measurement data are needed in order to make a

proper validation and to do a better calibration.

Place, publisher, year, edition, pages
2016.
Series
UPTEC F, ISSN 1401-5757 ; 16063
Keywords [en]
anammox, ASM, wastewater treatment, MBBR, modelling
National Category
Water Treatment Computer Sciences
Identifiers
URN: urn:nbn:se:uu:diva-312511OAI: oai:DiVA.org:uu-312511DiVA, id: diva2:1063641
External cooperation
Mälardalen University; ABB
Educational program
Master Programme in Engineering Physics
Supervisors
Examiners
Projects
CONANAvailable from: 2017-01-11 Created: 2017-01-10 Last updated: 2018-01-13Bibliographically approved

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