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	Cultivation of the microalga, Chlorella pyrenoidosa, in biogas wastewater
	Zheng Jiang ; Li Zhongbao ; Lu Yinghua ; Lu YH(卢英华) ; Tang Xuemin ; Lu Bin ; Li Yuanyue ; Lu Zhiqiang ; Lin Yaojiang ; Zhou Jixin
	2011-10-10
关键词	Chlorella pyrenoidosa biogas wastewater cultivation phosphorus nitrogen
英文摘要	Biogas wastewater is always a problem as a result of its extremely high concentrations of nitrogen and phosphorus, which is the main reason for the eutrophication of the surrounding water. The microalga, Chlorella pyrenoidosa, can utilize the nitrogen and phosphorus in wastewater for its growth. Therefore, the microalga was introduced to be cultivated in the biogas wastewater, which could not only bioremediate the wastewater, but also produce plenty of the microalga biomass that could be used for the exploitation of fertilizers, feed additives and biofuels. This study showed that the microalga, C. pyrenoidosa could grow well in the biogas wastewater under optimal condition: initial cell density of 0.15 (OD(680)), pH 8 and illumination intensity of 10000 LX. Under the optimal condition, the dry cell weight of the microalgae reached 0.1 g/L after cultivation in the wastewater for fourteen (14) days; in the meantime, the microalga also removed 71.8% of phosphorus, 100% of ammoniacal nitrogen (NH(4)(+)-N), 52.8% of nitrate nitrogen (NO(3)-N) and 23.0% of nitrite nitrogen (NO(2)-N) from the biogas wastewater, suggesting that the cultivation of C. pyrenoidosa in biogas wastewater would be efficient for the treatment of wastewater. This study also provided a low-cost way to produce the microalga and its relevant products.; Key Scientific and Technological Project of Fujian Province[2010Y0039]; Spark Project of Fujian Province[2010S0068]; Foundation for Innovative Research Team of Jimei University, China[2010A004]
语种	英语
出版者	ACADEMIC JOURNALS
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/11485]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Zheng Jiang,Li Zhongbao,Lu Yinghua,et al. Cultivation of the microalga, Chlorella pyrenoidosa, in biogas wastewater[J],2011.
APA	Zheng Jiang.,Li Zhongbao.,Lu Yinghua.,卢英华.,Tang Xuemin.,...&Zhou Jixin.(2011).Cultivation of the microalga, Chlorella pyrenoidosa, in biogas wastewater..
MLA	Zheng Jiang,et al."Cultivation of the microalga, Chlorella pyrenoidosa, in biogas wastewater".(2011).

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