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標題:Effects of Chlorella sp. on nutrient treatment in cultures with different carbon to nitrogen ratios
學年103
學期2
出版(發表)日期2015/03/03
作品名稱Effects of Chlorella sp. on nutrient treatment in cultures with different carbon to nitrogen ratios
作品名稱(其他語言)
著者Hsin-Hui Wu; Sue-Huai Gau; Ming-Guo Li; Yi-Ju Chen; Chang-Jung Sun
單位
出版者
著錄名稱、卷期、頁數Water Science & Technology 71(11), pp.1597-1603
摘要Chlorella sp. is often used in the treatment of wastewater to produce lipids, a practice which could
go beyond wastewater treatment and be used to generate green energy. Our objectives here are to
explore how the ratio of carbon to nitrogen (C/N) affects the removal of carbon and nitrogen in a
wastewater treatment system, while simultaneously generating biomass and lipids. In this study, the
C/N ratio is adjusted to 0.002, 6, 8, 10, 12 and 32. The results indicate that a C/N of 10 is sufficient to
ensure the consumption of carbon and nitrogen, achieving the lowest concentration in the shortest
culturing time (32 h). When nitrogen is lacking in the culture, there will be a slight decrease in the rate
of carbon consumption which leads to a limitation of nitrogen and an increase in the lipid/cell density
even at 96 h of culture time. The highest lipid content (0.57 g/L) and lipid increase rate (0.4 g/L)
occurs with a C/N of 32. The greatest amount of biomass, 1.42 g/L is achieved when the C/N is 32.
The carbon concentration is the main factor affecting the nitrogen consumption and the increase in
the biomass and lipid content.
關鍵字biomass;Chlorella sp.;carbon to nitrogen ratio;lipids;wastewater treatment
語言英文
ISSN0273-1223;1996-9732
期刊性質國外
收錄於SCI;EI;
產學合作
通訊作者Chang-Jung Sun
審稿制度
國別英國
公開徵稿
出版型式,電子版,紙本
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