Konferensartikel

Microalgae Activated Sludge: Process Modelling and Optimization

Jesús Zambrano
School of Business, Society and Engineering, Mälardalen University, Västerås, Sweden

Emma Nehrenheim
School of Business, Society and Engineering, Mälardalen University, Västerås, Sweden

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp1713848

Ingår i: Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th – 27th, 2017

Linköping Electronic Conference Proceedings 138:6, s. 48-53

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Publicerad: 2017-09-27

ISBN: 978-91-7685-417-4

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

This work deals with steady-state simulation study of a process formed by a microalgae-bacteria photobioreactor (PBR) in an activated sludge configuration. In particular, the process behavior in terms of variations in the sludge retention time and carbon dioxide (CO2) injected is presented. The optimization is done by considering the total PBR volume as two volumes in series, and aiming for the minimal substrate concentration in the effluent, for a given external light and CO2 injected. Results suggest that it is possible to obtain an optimum volume distribution of the process that gives a lower effluent substrate concentration compared to the same process using a single volume.

Nyckelord

microalgae-bacteria, bioprocess design, effluent minimization, photobioreactor, volume distribution.

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