Effect of Initial Substrate Concentration on Kinetics of Hydrogen Production by Photosynthetic Bacteria in Batch CultureChinese Full Text
LIAO Qiang WANG Yong-zhong ZHU Xun TIAN Xin BA Shu-li ZHANG Pan ZHANG Chuan(Institute of Engineering Thermophysics,Chongqing University,Chongqing 400030,China)
Abstract: The effect of initial substrate concentration on the growth,metabolic activities of Photosynthetic bacteria （PSB） in the process of hydrogen production is studied.The empirical relation of the initial substrate concentration to the specific growth rate,specific substrate consumption rate and specific hydrogen production rate of PSB are developed based on the modified Monod model.It is found that the results given by the model are well agreed with the experimental data in growth phase and stationary phase of PSB.Meanwhile,the optimal substrate concentration in the process of growth,metabolism and hydrogen production is 50 mmol/L.Furthermore,when the initial substrate concentration deviates 50 mmol/L,the activation of PSB is limited or inhibited,and the inhibiting effect is more prominent than the limiting effect.In addition,it is demonstrated that initial substrate concentration has little effect on the specific substrate consumption rate.
- DOI：
10.13523/j.cb.20071111
- Series：
- Subject：
- Classification Code：
TQ116.2
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