关键词: 生物厌氧产氢;反应器类型;水力停留时间;污泥停留时间

Abstract:

Recently, fermentative hydrogen production with organic wastewater or waste becomes a research focus in the field of bio-energy production, for it is a good way of garbage disposal and energy production. The type of bio-reactor is considered to have important effects on both microbial community structures and mass transfer efficiency between biomass and substrates, which could influence the hydrogen production and stability of the process. In this paper, immobilized-and suspended-cell H2-producing systems are compared based on biomass growth in forms of granular, bio-film, gel-entrapped bio-particle. Reactor configurations such as continuous stirred tank reactor, anaerobic sequencing batch reactor, up-flow anaerobic sludge blanket, expanded granular sludge bed, anaerobic packed bed, anaerobic fluidized-bed, hybrid bio-reactor and their impacts on bio-hydrogen production are summarized. Finally, suggestions and perspectives are proposed to provide guidance for further research.

Key words: fermentative bio-hydrogen production, bio-reactor type, HRT, SRT