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https://hdl.handle.net/2440/79542
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Type: | Journal article |
Title: | Harvesting of marine microalgae by electroflocculation: the energetics, plant design, and economics |
Author: | Lee, A. Lewis, D. Ashman, P. |
Citation: | Applied Energy, 2013; 108:45-53 |
Publisher: | Elsevier Sci Ltd |
Issue Date: | 2013 |
ISSN: | 0306-2619 1872-9118 |
Statement of Responsibility: | Andrew K. Lee, David M. Lewis and Peter J. Ashman |
Abstract: | Microalgae have the potential to be the feedstock for biofuels and laboratory scale electroflocculation was studied as a harvesting technique for marine microalgae. The effects of the electrode separation and mechanical mixing on the energy consumption were also assessed. Results were used to design a commercial scale electroflocculation plant for the estimation of the harvesting cost. By combining electroflocculation with mixing and settling, an overall energy consumption of 0.33MJm-3 has been achieved. On a large scale, the mixing can be made energy efficient by the use of a baffled hydraulic mixer. The total cost for the harvesting, including electrical energy, electrode metal dissolution and capital depreciation, is estimated to be $0.19kg-1 of the ash free dry mass. Hence, electroflocculation has the potential to be more economical than other harvesting techniques for marine microalgae. © 2013 Elsevier Ltd. |
Rights: | © 2013 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.apenergy.2013.03.003 |
Published version: | http://dx.doi.org/10.1016/j.apenergy.2013.03.003 |
Appears in Collections: | Aurora harvest Chemical Engineering publications Environment Institute publications |
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