Article | Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017 | Modeling N/S ratio and temperature effects in simultaneous biological denitrification and sulfide oxidation
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Title:
Modeling N/S ratio and temperature effects in simultaneous biological denitrification and sulfide oxidation
Author:
Michal Sposob: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Rune Bakke: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Carlos Dinamarca: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway
DOI:
10.3384/ecp1713841
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017
Issue:
138
Article no.:
005
Pages:
41-47
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2017-09-27
ISBN:
978-91-7685-417-4
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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A model describing the simultaneous removal of NO3- and HS- by microorganisms is presented here. The oxidation of HS- (electron donor) can be controlled by the appropriate dosage of NO3-. The developed model, which includes variable process stoichiometry, attempts to predict the distribution of sulfur oxidation products. Stoichiometric coefficients are based on a 150 days experimental study of temperature (25-10 ?C) and N/S ratio (0.35-1.30) effects. The model can be used as a prediction tool for autotrophic denitrification with HS-. Elemental sulfur production is included in the mathematical model, however, its accumulation and release (as SO42-) with increasing feed N/S ratio (e.g. leading to higher effluent than feed total sulfur mass at N/S = 1.30) is not simulated. A conceptual model to account for biological accumulation and release of elemental sulfur is proposed here.

Keywords: autotrophic denitrification, elemental sulfur production, mathematical modeling, sulfate production

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017

Author:
Michal Sposob, Rune Bakke, Carlos Dinamarca
Title:
Modeling N/S ratio and temperature effects in simultaneous biological denitrification and sulfide oxidation
DOI:
http://dx.doi.org/10.3384/ecp1713841
References:
No references available

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017

Author:
Michal Sposob, Rune Bakke, Carlos Dinamarca
Title:
Modeling N/S ratio and temperature effects in simultaneous biological denitrification and sulfide oxidation
DOI:
http://dx.doi.org/10.3384/ecp1713841
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Citations:
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Last updated: 2017-02-21