期刊
BIORESOURCE TECHNOLOGY
卷 135, 期 -, 页码 222-231出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.08.096
关键词
Microalgal biomass; Biofuels; Anaerobic digestion; Fermentation; Microbial fuel cells
资金
- Finnish Funding Agency for Technology and Innovation (Finland Distinguished Professor Programme) [402/06]
This review discusses anaerobic production of methane, hydrogen, ethanol, butanol and electricity from microalgal biomass. The amenability of microalgal biomass to these bioenergy conversion processes is compared with other aquatic and terrestrial biomass sources. The highest energy yields (kJ g(-1) dry wt. microalgal biomass) reported in the literature have been 14.8 as ethanol, 14.4 as methane, 6.6 as butanol and 1.2 as hydrogen. The highest power density reported from microalgal biomass in microbial fuel cells has been 980 mW m(-2). Sequential production of different energy carriers increases attainable energy yields, but also increases investment and maintenance costs. Microalgal biomass is a promising feedstock for anaerobic energy conversion processes, especially for methanogenic digestion and ethanol fermentation. The reviewed studies have mainly been based on laboratory scale experiments and thus scale-up of anaerobic utilization of microalgal biomass for production of energy carriers is now timely and required for cost-effectiveness comparisons. (C) 2012 Elsevier Ltd. All rights reserved.
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