Article | Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 | A Variogram-Based Tool for Variable Selection in a Wastewater Treatment Effluent Prediction Linköping University Electronic Press Conference Proceedings
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Title:
A Variogram-Based Tool for Variable Selection in a Wastewater Treatment Effluent Prediction
Author:
Markku Ohenoja: Control Engineering, University of Oulu, Finland Jani Tomperi: Control Engineering, University of Oulu, Finland
DOI:
10.3384/ecp17142312
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016
Issue:
142
Article no.:
045
Pages:
312-316
No. of pages:
5
Publication type:
Abstract and Fulltext
Published:
2018-12-19
ISBN:
978-91-7685-399-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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In this study, a variogram method was utilized as a variable selection tool for finding the optimal subsets of variables for developing predictive models for the quality of wastewater treatment effluent. The quality of effluent was here assessed by biological and chemical oxygen demand and suspended solids in biologically treated wastewater. The dataset included, in addition to traditional process measurements, results of a novel optical monitoring device which was used for imaging an activated sludge process in-situ during a period of over one year. The study showed that the variogram based method has potential in fast and computationally easy variable selection. The developed models can be used for proactive monitoring and estimating the quality of effluent in several stages hours before in comparison to laboratory analysis taken from treated wastewater.

Keywords: activated sludge process, BOD, COD, cross-validation, modeling, optical monitoring, suspended solids, variogram

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Markku Ohenoja, Jani Tomperi
Title:
A Variogram-Based Tool for Variable Selection in a Wastewater Treatment Effluent Prediction
DOI:
http://dx.doi.org/10.3384/ecp17142312
References:
No references available

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Markku Ohenoja, Jani Tomperi
Title:
A Variogram-Based Tool for Variable Selection in a Wastewater Treatment Effluent Prediction
DOI:
https://doi.org10.3384/ecp17142312
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Last updated: 2019-10-02