Evaluation of alternatives for microalgae oil extraction based on exergy analysis

Y. Peralta-Ruiz, A.-D. González-Delgado and V. Kafarov

Applied Energy, 2013, vol. 101, issue C, 226-236

Abstract: Several technologies for microalgae oil extraction are being evaluated in order to find the most adequate for large scale microalgae processing. In this work, exergy analysis was used as an instrument for screening three design alternatives for microalgae oil extraction in a large-scale process and as a decision-making tool for evaluation and selection of novel technologies from the energy point of view. Routes were simulated using dedicated industrial process simulation software, taking as feedstock a representative and robust modeled composition of Chlorella sp. microalgae biomass. Mass, energy and exergy balances were performed for each alternative, and physical and chemical exergies of streams and all specific microalgae constituents modeled were calculated with the help of the thermodynamic properties of biomass components and operating conditions of streams.

Keywords: Microalgae biomass; Exergy analysis; Oil extraction; Third generation biofuels (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:101:y:2013:i:c:p:226-236

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DOI: 10.1016/j.apenergy.2012.06.065

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