期刊
BIORESOURCE TECHNOLOGY
卷 109, 期 -, 页码 304-307出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.07.090
关键词
Botryococcus braunii; Growth; Hydrocarbon production; Mass cultivation; Soybean curd wastewater
资金
- Core Research of Evolutional Science & Technology (CREST) from the Japan Science and Technology Agency (JST)
A laboratory study was conducted to evaluate the possibility of using wastewater from a soybean curd manufacturing plant as a growth promoter of Botryococcus braunii strain BOT-22. Soybean curd wastewater (SCW) were added to AF-6 medium to set the final concentration to 0% (control), 1%, 2%, 5%, and 10% (v/v). The growth and hydrocarbon production observed in the cultures with 1% and 2% SCW were significantly higher than that observed in the control. It was postulated that proteins and/or reducing sugars in SCW could enhance the growth. A major finding was a shift in the chemical composition of hydrocarbons from C34H58 to C32H54 in association with increased concentrations of SCW. Considering the inorganic ions in SCW, it was presumed that a mixture of nitrate, 1-2% SCW, and secondarily treated SCW can be applied for mass cultivation of Botryococcus. (C) 2011 Elsevier Ltd. All rights reserved.
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