期刊
ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
卷 32, 期 4, 页码 982-988出版社
WILEY
DOI: 10.1002/ep.11841
关键词
microalgae; oxygen evolution; oxygen accumulation; oxygen inhibition; photobioreactor
类别
资金
- Natural Science and Engineering Research Council (NSERC)
- Canadian Foundation of Innovation (CFI)
- China Scholarship Council
- University of Ottawa
Large quantity of oxygen evolves as a byproduct of photosynthesis in microalga cultivation. As a result, dissolved oxygen of 100-400% air saturation or even higher is commonly observed in microalgal cultures. High concentration of dissolved oxygen may inhibit photosynthesis, cause photochemical damages to photosynthetic apparatus and other cellular components, result in reduction of cell growth or even culture collapse. Effective deoxygenation mechanisms are required to maintain dissolved oxygen at a level that is not inhibitory. This remains a significant challenge despite of the enormous technical advances in this field and information on large scale photobioreactors are scarce, which warrants systematic future studies, especially with controlled large-scale systems, in this important field. (c) 2013 American Institute of Chemical Engineers Environ Prog, 32: 982-988, 2013
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