Fundamental Studies on Hydrogen Production in the Acid-Forming Phase and Its Bacteria in Anaerobic Treatment Processes – The Effects of Solids Retention Time
Fundamental Studies on Hydrogen Production in the Acid-Forming Phase and Its Bacteria in Anaerobic Treatment Processes – The Effects of Solids Retention Time
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厌氧处理过程中产酸阶段产氢及其细菌的基础研究——固体保留时间的影响
DOI：
10.2166/wst.1993.0146
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发表时间：
1993
影响因子：
2.7
通讯作者：
J. Matsumoto
中科院分区：
文献类型：
--
作者：
Michimasa Nakamura;H. Kanbe;J. Matsumoto
以11,700 mg/l葡萄糖溶液为底物，研究了厌氧处理过程中固体停留时间（SRT）对产氢、葡萄糖降解和厌氧细菌的影响。在36 ± 1°C下进行五个系列的实验。挥发性脂肪酸的产生顺序为乙酸、正丁酸、丙酸和正戊酸。各反应器中总厌氧细菌和产酸细菌数量随SRT的增加而增加，梭菌属和硫酸盐还原菌数量随SRT的增加而减少。气体生产率和气体成分进行了调查，以获得有关能源生产的信息。固体保留时间从2小时增加到10小时，氢气含量从12%降低到9%。动力学常数如微生物衰减系数（Kd）、维持系数（m）和微生物生长量（YG）分别为4.04、41.7和0.097d-1。
Effects of solids retention time (SRT) on hydrogen gas production, glucose degradation and anaerobic bacteria in anaerobic treatment processes were investigated with use of 11,700 mg/l glucose solution as a substrate. Five series of experiments were conducted at 36 ± 1°C. Volatile fatty acids were produced in the order: acetic, n-butyric, propionic and n-valeric with concentration of effluent. Counts of general anaerobic bacteria and acid-forming bacteria in each reactor increased with increasing SRT, and counts of genus Clostridium and sulphate reducing bacteria in the reactor decreased with increasing SRT of the reactor. Gas production rates and gas composition were investigated to obtain information on energy production. Solids retention time increased from 2 to 10 h, hydrogen gas content decreased from 12 to 9%. The kinetic constants such as the microbial decay coefficient (K d ), the maintenance coefficient (m) and the growth yield for microorganisms (Y G ) were 4.04,41.7 and 0.097 day −1 , respectively.