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中小型太阳能光合生物制氢系统的分析

Exergy Analysis of Photosynthetic Biological Hydrogen Production System in Midsize
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摘要 利用热力学第二定律,采用白箱分析模型对实验室所研发的太阳能光合生物制氢系统进行了分析,得出该系统的产氢量较少,效率仅为24.4%。其中光能损最大,占耗散损的64.4%;并针对系统中用能的薄弱环节,即对损较大的光能损分析了影响光能转化的因素,并提出了相应的解决方法,为整个系统内部设备的改进提供方向,以提高系统有效能的利用,为推进光合生物制氢技术的工业化提供了科学参考。 Using the second law of thermodynamics the exergy photosynthetic biological hydrogen production system was analyzed by a white-box model. The results show that the yield of hydrogen was less and the exergy efficiencies of the system is 24.4% , and light losing is the biggest one in the total exergy losing which account for 64.4%. Factors that affect the light conversion efficiency was analyzed in the weak links of the system and the corresponding solutions were proposed. The aspects in system and the utilization of the effective energy were improved and a science reference for the process of the industrialization in the photosynthetic biological hydrogen production system were provided.
出处 《生物质化学工程》 CAS 2010年第6期1-5,共5页 Biomass Chemical Engineering
基金 国家自然科学基金项目(50976029) 国家863计划资助(2006AA05Z119) 教育部博士点基金项目(20060466001)
关键词 光合制氢 能量分析 [火用]效率 光转化率 photosynthetic hydrogen production energy analysis exergy efficiency light conversion efficiency
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