生物厌氧产氢接种污泥的预处理研究进展

Seed Sludge Pretreatment for Fermentative Bio-hydrogen Production

系统概述了热、酸、碱、化学抑制剂、曝气、冲击负荷等预处理方法对接种污泥中耗氢菌和产氢菌的选择性抑制机理,并对比分析了各自的产氢特性.由于接种污泥选取的种类、产氢底物的种类和浓度、温度、pH以及采用的反应器类型等不同,不同研究者得出的最佳预处理方法存在差异.目前的研究多集中在以葡萄糖或蔗糖等纯物质作为厌氧产氢的底物,建议今后以实际有机废水作为生物厌氧产氢的底物,以进一步研究不同接种污泥预处理方法对产氢的影响.

The selective inhibition mechanisms of various pretreatment methods like heat-,acid-,alkali-,chemical inhibitor-,aerate-,as well as the load shock pretreatment are reviewed and their corresponding bio-hydrogen performance are compared and discussed.The disagreement in optimal pretreatment methods should be attributable to the difference in the tested seed sludge,kinds and concentration of substrate,temperature,pH and reactor type.In addition,pure substrates of glucose or sucrose are currently used as substrate for hydrogen production in many studies.Practical organic wastes are recommended to be used as substrate for comparison of the effectiveness of different pretreatment methods.