|Table of Contents|

Effect of phosphorus on biodiesel production from Phaeodactylum tricornutum under two nitrogen conditions

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2015年03期
Page:
373-
Research Field:
Publishing date:

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Title:
Effect of phosphorus on biodiesel production from Phaeodactylum tricornutum under two nitrogen conditions
Author(s):
Yu Shijin1Zeng Jianxiong2
1.School of Resources and Environment,Anqing Normal University,Anqing 246003,China; 2.School of Chemistry and Materials Science,University of Science and Technology of China,Hefei 230026,China
Keywords:
nitrogen phosphorus Phaeodactylum tricornutum biodiesel fatty acids
PACS:
TK6
DOI:
-
Abstract:
In order to study the effect of phosphorus(P)on biodiesel production from Phaeodactylum tricornutum under different nitrogen(N)conditions,Phaeodactylum tricornutum are cultivated in six types of media.The mass concentration of N and P of media,biomass,composition and mass fraction of fatty acids of produced biodiesel during a 7-d cultivation period are measured.The result shows that from P-replete,P-limitation up to P-starvation both in N-replete and N-starvation,the biomass decreases and the mass fraction of fatty acids increases gradually for biodiesel production from Phaeodactylum tricornutum under phosphate deficiency stress.P-replete has no effect on the biodiesel productivity of P.tricornutum under N-starvation condition because sufficient P cannot make up for reduced biomass resulted from N-starvation.The effect of P on biodiesel production from microalgae may vary with microalgal species and/or strain without N.

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Last Update: 2015-06-30