Article | Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 | Water Content Analysis of Sludge using NMR Relaxation Data and Independent Component Analysis Linköping University Electronic Press Conference Proceedings
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Title:
Water Content Analysis of Sludge using NMR Relaxation Data and Independent Component Analysis
Author:
Mika Liukkonen: Department of Environmental and Biological Sciences, University of Eastern Finland, Finland Ekaterina Nikolskaya: Fiber Laboratory, South-Eastern Finland University of Applied Sciences, Finland Jukka Selin: Fiber Laboratory, South-Eastern Finland University of Applied Sciences, Finland Yrjö Hiltunen: Fiber Laboratory, South-Eastern Finland University of Applied Sciences, Finland
DOI:
10.3384/ecp17142317
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.:
046
Pages:
317-320
No. of pages:
4
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 wastewater treatment, the dewatering of sludge is one of the most important steps, because it affects largely in both the process economics and the costs of sludge disposal. To optimize the dewatering processes, it would be beneficial to be aware of the different water types present in the sludge. In addition to free water, generally there are also mechanically, physically and chemically bound water within the sludge. All these water types behave differently when the sludge is dried, and they all require a different amount of energy when being removed. In this study, the Independent Component Analysis (ICA) method has been applied to an analysis of NMR (Nuclear Magnetic Resonance) relaxation data obtained from the measurement of wastewater sludge samples with a known moisture content. The results strongly suggest that the ICA method can be used for determining the amount of different water types within the wastewater sludge without a priori knowledge on their shares.

Keywords: independent component analysis, water content, nuclear magnetic resonance, sludge, relaxation decay

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

Author:
Mika Liukkonen, Ekaterina Nikolskaya, Jukka Selin, Yrjö Hiltunen
Title:
Water Content Analysis of Sludge using NMR Relaxation Data and Independent Component Analysis
DOI:
http://dx.doi.org/10.3384/ecp17142317
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:
Mika Liukkonen, Ekaterina Nikolskaya, Jukka Selin, Yrjö Hiltunen
Title:
Water Content Analysis of Sludge using NMR Relaxation Data and Independent Component Analysis
DOI:
https://doi.org10.3384/ecp17142317
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