Journal
REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY
Volume 13, Issue 4, Pages 487-504Publisher
SPRINGER
DOI: 10.1007/s11157-014-9350-6
Keywords
Dewatering; Filtration; Fouling; Gas exchange; Photobioreactor
Funding
- U.S. Department of Education Graduate Assistants in Areas of National Need (GAANN) Fellowship
- National Science Foundation [1236746, 1200682]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1236746] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Engineering Education and Centers [1200682] Funding Source: National Science Foundation
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With renewed interest in microalgae due to their potential for biofuel and bioproducts production, efficient cultivation and harvesting mechanisms are needed to increase the economic competitiveness of microalgal products against traditional sources. With pore sizes ranging from microns to angstroms, membranes provide tailored functions for solid/liquid separation (cell retention, biomass concentration and dewatering), gas/liquid separation (gas delivery and removal), and solute/liquid separation (bioproduct recovery, feedstock preparation and effluent recycling) that are problematic or not possible with other technologies. Existing knowledge on membrane systems used in other disciplines, such as environmental engineering, marine science, and biomedicine, can be applied to algae production. Though membranes have great potential to facilitate cultivation and harvesting, challenges in energy reduction and fouling mitigation need to be overcome for long-term, cost-effective application.
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