Bioconversion characteristics of Rhodopseudomonas palustris CQK 01 entrapped in a photobioreactor for hydrogen production.
Bioconversion characteristics of Rhodopseudomonas palustris CQK 01 entrapped in a photobioreactor for hydrogen production.
复制标题
DOI：
10.1016/j.biortech.2012.09.105
复制
发表时间：
2013-05
影响因子：
11.4
通讯作者：
Yong-Zhong Wang;Q. Liao;Xun Zhu;Rong Chen;Cheng‐Long Guo;Jinhui Zhou
中科院分区：
文献类型：
--
作者：
Yong-Zhong Wang;Q. Liao;Xun Zhu;Rong Chen;Cheng‐Long Guo;Jinhui Zhou
以葡萄糖为底物，在连续运行模式下，对包埋细胞光生物反应器产氢性能进行了评价。在水力停留时间为11.4h，底物负载速率为4.2mmol/h，光照强度为590 nm和6000 lux时，产氢速率和光能转换效率分别为2.61mmol/L/h和82.3%，相应的产氢率和光能转换效率分别为0.62mmol H2/（mmol葡萄糖）和4.8%.结果表明，在590 nm波长下照射的产氢系统，由于初级反应中心合成的ATP较多，因此参与了产氢的能量储存，具有较高的能量回收能力。此外，由于中间产物的产生，总能量效率远低于相应的光转换效率。
The performance of the entrapped-cell photobioreactor during H2production was assessed by using glucose as substrate in a continuous operation mode. The maximal hydrogen production rate and light conversion efficiency, 2.61mmol/L/h and 82.3%, were obtained at a HRT of 11.4h, an substrate loading rate of 4.2mmol/h and an illumination of 590nm and 6000lux, the corresponding hydrogen yield and total energy efficiency were 0.62mmol H2/(mmol glucose) and 4.8%, respectively. The results indicate the H2production system illuminated at 590nm wavelength engaged in energy storage for H2production due to more ATP synthesized in primary reaction center, and was of higher energy recovery capacity. Furthermore, the total energy efficiency was far lower than the corresponding light conversion efficiency due to intermediates production.