期刊
BIORESOURCE TECHNOLOGY
卷 198, 期 -, 页码 316-324出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.09.030
关键词
Photobioreactor design; Microalgae cultivation; Nannochloris atomus
资金
- Office of Energy at the Florida Department of Agriculture and Consumer Services [SRD001]
Microalgae are a promising source of biofuels and bioproducts, as they consume CO2 to grow, multiply quickly, and can be cultivated in wastewater and on marginal land. Development of low-cost and high-efficiency microalgal cultivation systems is important to the cost-competitiveness of algae. A floating horizontal photobioreactor (HBR) was developed that is inexpensive and scalable, as it is manufactured from inexpensive plastic film and is modular. Its performance was successfully tested using the marine microalgae Nannochloris atomus Butcher CCAP 251/4A in a 65-L prototype unit. High biomass concentration of 4.0 g L-1 and productivity of 12.9 g m(-2) d(-1) was achieved indoors under artificial illumination of 31.3 klux (435 mu mol m(-2) s(-1)). Outdoors, during semi-continuous operation in Florida, the HBR achieved over the course of 165 days a maximum biomass concentration of 4.3 g L-1 and an average biomass productivity of 18.2 g m(-2) d(-1) without any contamination issues. (C) 2015 Elsevier Ltd. All rights reserved.
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