Bio-hydrogen production from molasses by anaerobic fermentation in continuous stirred tank reactor

被引：0
|
作者：
Han, Wei [1 ]
Li, Yong-feng [1 ]
Chen, Hong [1 ]
Deng, Jie-xuan [1 ]
Yang, Chuan-ping [1 ]
机构：
[1] NE Forestry Univ, Sch Forestry, Harbin 150040, Peoples R China
来源：
2ND INTERNATIONAL SYMPOSIUM ON AQUA SCIENCE, WATER RESOURCE AND LOW CARBON ENERGY | 2010年 / 1251卷
关键词：
bio-hydrogen production; CSTR; ethanol-type fermentation; organic loading rate; pH;
D O I：
10.1063/1.3456326
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A study of bio-hydrogen production was performed in a continuous flow anaerobic fermentation reactor (with an available volume of 5.4 L). The continuous stirred tank reactor (CSTR) for bio-hydrogen production was operated under the organic loading rates (OLR) of 8-32 kg COD/m(3) reactor/d (COD: chemical oxygen demand) with molasses as the substrate. The maximum hydrogen production yield of 8.19 L/d was obtained in the reactor with the OLR increased from 8 kg COD/m(3) reactor/d to 24 kg COD/m(3) d. However, the hydrogen production and volatile fatty acids (VFAs) drastically decreased at an OLR of 32 kg COD/m(3) reactor/d. Ethanol, acetic, butyric and propionic were the main liquid fermentation products with the percentages of 31%, 24%, 20% and 18%, which formed the mixed-type fermentation.
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页码：252 / 255
页数：4
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