Subject Area物理化学
Photo-hydrogen production by cells of Platymonas subcordiformis at different growth phases
Liu RG(刘润国); Yu XJ(虞星炬); Jin MF(金美芳); Zhang W(张卫)
Conference Name6th Asia-Pacific Marine Biotechnology Conference
Conference Date2004-11-28
Conference Place中国
Alternative Title两种光强条件下海洋扁藻各生长阶段产氢能力考察
AbstractA marine green microalga, Platymonas subcordiformis, was able to generate H2 photo-synthetically when exposed to light after a period of anaerobic, dark incubation. The growth curves were different at different light intensities, and the ability of H2 production varied significantly at different growth phases. At a higher light intensity (E=160μE/(m2•s)), the microalga grew faster, and gave a higher H2 yield. At the stationary phase, the ability of H2 production reached the maximum of a H2 concentration of 17.5% collected in 300ml culture at 3×106 cells/ml. At a lower light intensity (E=60μE/(m2•s)), the H2 yield decreased by 24% with the maximize hydrogen concentration of 17.5%, and the chlorophyll concentration reduced by 61%. The results indicated that the physiological status of algal cells have a significant effect on the ability of H2 production. Therefore optimization of physiological parameters is required to maximize hydrogen production in green algae.
Document Type会议论文
Corresponding AuthorZhang W(张卫)
Recommended Citation
GB/T 7714
Liu RG,Yu XJ,Jin MF,et al. Photo-hydrogen production by cells of Platymonas subcordiformis at different growth phases[C],2004:99/1.
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