Improved hydrogen photoproduction regulated by carbonylcyanide m-chlorophenylhrazone from marine green alga Platymonas subcordiformis grown in CO2-supplemented air bubble column bioreactor

被引：33

作者：

Guo, Zhen ^{[1
,2
]}

Chen, Zhaoan ^{[1
]}

Zhang, Wei ^{[1
,3
]}

Yu, Xingju ^{[1
]}

Jin, Meifang ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian 116023, Peoples R China

[2] Grad Sch Chinese Acad Sci, Beijing 100039, Peoples R China

[3] Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, Bedford Pk, SA 5042, Australia

来源：

BIOTECHNOLOGY LETTERS | 2008年 / 30卷 / 05期

关键词：

bioreactor; carbon dioxide; carbonylcyanide m-chlorophenylhydrazone (CCCP); hydrogen; Platymonas subcordiformis;

D O I：

10.1007/s10529-008-9637-1

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

To develop an integrated process of CO2- fixation and H-2 photoproduction by marine green microalga Platymonas subcordiformis, the impact of algal cells grown in CO2- supplemented air bubble column bioreactor was investigated on H-2 photoproduction regulated by carbonylcyanide m- chlorophenylhrazone. Highest cell growth ( 3.85 9 10(6) cells ml(-1)), starch content ( 0.25 +/- 0.08 mg per 10(6) cells) and hydrogen production ( 50 +/- 3 ml1(-1)) were achieved at 3% CO2- supplemented culture, which are respectively 1.4, 2.1, 1.5- fold of the air-supplemented culture. Improved H-2 production correlated well with the increase in starch accumulation. In this process, the algal cells have been recycled for stable H-2 production of 40 - 50 ml l(-1) over five cycles.

引用

页码：877 / 883

页数：7

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