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A simple model for algae-bacteria interaction in photo-bioreactors
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Avdelningen för systemteknik. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Reglerteknik.
2016 (engelsk)Inngår i: Algal Research, ISSN 2211-9264, Vol. 19, s. 155-161Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This work presents a simple model to describe the consortia of algae-bacteria in a photo-bioreactor. The model is inspired by the Activated Sludge Model (ASM) structure, which includes different process rates and stoichiometric parameters. The model comprises two main biomass populations (algae and bacteria), two dissolved substrates (ammonium and nitrate) and two dissolved gases (oxygen and carbon dioxide) in the reactor. The model was calibrated with data from batch experiments performed in two lab-scale photo-bioreactors. A sensitivity analysis was done to identify the parameters to be considered for the model calibration. Results indicate that the maximum algae and bacteria growth rate, bacteria growth yield and half-saturation constant for carbon were the most sensitive parameters. Moreover, the comparison between the experiments and the model shows good agreement in terms of predicting the ammonium, nitrate and oxygen concentrations in the photobioreactor.

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2016. Vol. 19, s. 155-161
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URN: urn:nbn:se:uu:diva-306610DOI: 10.1016/j.algal.2016.07.022ISI: 000390001400019OAI: oai:DiVA.org:uu-306610DiVA, id: diva2:1040916
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Knowledge Foundation, 20140168Tilgjengelig fra: 2016-08-24 Laget: 2016-10-30 Sist oppdatert: 2017-11-29bibliografisk kontrollert

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Zambrano, JesúsKrustok, IvoNehrenheim, EmmaCarlsson, Bengt
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