Carbon dioxide fixation by Chlorella sp.USTB-01 with a fermentor-helical combined photobioreactor

Xuan JIA; Hai YAN; Zijing WANG; Huanju HE; Qianqian XU; Haiou WANG; Chunhua YIN; Liqin LIU

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Carbon dioxide fixation by Chlorella sp.USTB-01 with a fermentor-helical combined photobioreactor

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A promising microalgal strain isolated from fresh water,which can grow both autotrophically on inorganic carbon under lighting and heterotrophically on organic carbon without lighting,was identified as Chlorella sp.USTB-01 with the phylogenetic analysis based on 18S ribosomal ribonucleic acid(rRNA)gene sequences.In the heterotrophic batch culture,more than 20.0 g·L^(-1)of cell dry weight concentration(DWC)of Chlorella sp.USTB-01 was obtained at day 5,and which was used directly to seed the autotrophic culture.A novel fermentor-helical combined photobioreactor was established and used to cultivate Chlorella sp.USTB-01 for the fixation of carbon dioxide(CO_(2)).It showed that the autotrophic growth of Chlorella sp.USTB-01 in the combined photobioreactor was more effective than that in the fermentor alone and the maximum DWC of 2.5 g·L^(-1)was obtained at day 6.The highest CO_(2)fixation of 95%appeared on day 1 in the exponential growth phases of Chlorella sp.USTB-01 and 49.8%protein was found in the harvested microalgal cells.

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《中国环境科学与工程前沿：英文版》 |2011年第3期|P.402-408|共7页
作者
Xuan JIA; Hai YAN; Zijing WANG; Huanju HE; Qianqian XU; Haiou WANG; Chunhua YIN; Liqin LIU;
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Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

Department of Biological Science and Technology University of Science and Technology Beijing Beijing 100083 China;

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正文语种 chi
中图分类有机化学;
关键词
Chlorella sp.USTB-01; carbon dioxide fixation; combined photobioreactor;

Carbon dioxide fixation by Chlorella sp.USTB-01 with a fermentor-helical combined photobioreactor

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