Journal
BIORESOURCE TECHNOLOGY
Volume 241, Issue -, Pages 1084-1093Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.06.061
Keywords
Macroalgae; Photobioreactor; Seagriculture; Bioeconomy; Bioenergy
Funding
- TAU Institute for Innovation in Transportation
- Israel Ministry of Energy and Water resources
- Israel Ministry of Economy
- Israel Ministry of Science
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Seagriculture, which can provide offshore grown macroalgae biomass would play a significant role in bioeconomy. Nevertheless, seagriculture development has been hindered by the lack of laboratory photobioreactors that enable fundamental and pilot scale macroalgae research. In this work, a macroalgae photobioreactor (MPBR) was developed and integrated into the building. The MPBR operation was demonstrated for 6 months with cultivation of Cladophora sp., Ulva compressa and Ulva rigida green macroalgae species isolated from 3 sites at the Eastern Mediterranean coast. The growth rate, protein, ash, specific energy density, rhamnose, xylose, arabinose, glucose, galactose and glucuronic acid content of the cultivated species were quantified. The maximum accumulated energy rates were 0.033 Wh L-1 d(-1) for Cladophora sp., 0.081 Wh L-1 d(-1) for U. compressa and 0.029 Wh L-1 d(-1) for U. rigida. This work provides a detailed design of an indoor, urban photobioreactor for cultivation, maintenance and energy balance analysis of macroalgae biomass for biorefinery. (C) 2017 Elsevier Ltd. All rights reserved.
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