期刊
BIORESOURCE TECHNOLOGY
卷 184, 期 -, 页码 73-81出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.10.140
关键词
Microalgae cultivation; Water footprint; Water recycling
资金
- Advanced Biomass R&D Center (ABC) of Korea Grant - Ministry of Science, ICT and Future Planning [ABC-2010-0029728]
Microalgal biofuels are not yet economically viable due to high material and energy costs associated with production process. Microalgae cultivation is a water-intensive process compared to other downstream processes for biodiesel production. Various studies found that the production of 1 L of microalgal biodiesel requires approximately 3000 L of water. Water recycling in microalgae cultivation is desirable not only to reduce the water demand, but it also improves the economic feasibility of algal biofuels as due to nutrients and energy savings. This review highlights recently published studies on microalgae water demand and water recycling in microalgae cultivation. Strategies to reduce water footprint for microalgal cultivation, advantages and disadvantages of water recycling, and approaches to mitigate the negative effects of water reuse within the context of water and energy saving are also discussed. (C) 2014 Elsevier Ltd. All rights reserved.
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