Dewatering of microalgal cultures : a major bottleneck to algae-based fuels

Uduman, Nyomi, Qi, Ying, Danguah, Michael K., Forde, Gareth M., & Hoadley, Andrew (2010) Dewatering of microalgal cultures : a major bottleneck to algae-based fuels. Journal of Renewable and Sustainable Energy, 2(1), 012701.

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Microalgae dewatering is a major obstruction to industrial-scale processing of microalgae for biofuel prodn. The dil. nature of harvested microalgal cultures creates a huge operational cost during dewatering, thereby, rendering algae-based fuels less economically attractive. Currently there is no superior method of dewatering microalgae. A technique that may result in a greater algal biomass may have drawbacks such as a high capital cost or high energy consumption. The choice of which harvesting technique to apply will depend on the species of microalgae and the final product desired. Algal properties such as a large cell size and the capability of the microalgae to autoflocculate can simplify the dewatering process. This article reviews and addresses the various technologies currently used for dewatering microalgal cultures along with a comparative study of the performances of the different technologies.

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260 citations in Web of Science®

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ID Code: 81531
Item Type: Journal Article
Refereed: Yes
Keywords: fuel, microalgal culture, dewatering
DOI: 10.1063/1.3294480
ISSN: 1941-7012
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2010 American Institute of Physics
Deposited On: 06 Feb 2015 00:15
Last Modified: 11 Feb 2015 02:01

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