期刊
BIOMASS CONVERSION AND BIOREFINERY
卷 11, 期 3, 页码 767-779出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13399-020-00852-5
关键词
Microalgae; Colored photobioreactors; Anaerobic reactor effluent; Co-culture; Productivity; Biodiesel
The study focused on enhancing microalgal productivity and quality using different colored photobioreactors exposed to ambient conditions. Experimental results demonstrated that the white PBR outperformed the blue and green PBRs in terms of microalgae productivity and quality, with microalgae cultivated in the white PBR showing higher lipid content and dominant biodiesel composition.
The present study emphasized the enhancement of microalgal productivity and quality (e.g., biochemical composition) using different colored photobioreactors (PBRs) exposed to ambient conditions. In this study, a unique approach had been applied to evaluate the microalgae co-culture (Chlorella vulgaris,Chlorella sorokiniana, andScenedesmussimris002) growth by exposing the colored transparent photobioreactors (white, blue, and green) to sunlight using a nutrient-rich (N, P) anaerobic reactor effluent produced after the treatment of domestic wastewater. Experimental results suggested that the white PBR increased the microalgae productivity by 2.3 to 3.5 times than blue and green PBRs, respectively. In addition, the FTIR spectroscopy analysis showed better quality microalgae (i.e., higher IR spectra) produced in white PBR compared with that of blue and green PBRs, respectively. Moreover, the microalgae cultivated in white PBR also showed high lipid content (38%) with the dominant biodiesel FAME composition (C16-C18) of 68.6%.
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