Upgrading of anaerobic digestion of waste activated sludge by ultrasonic pretreatment

被引：145
|
作者：
Wang, QH
Kuninobu, M
Kakimoto, K
Ogawa, HI
Kato, Y
机构：
[1] Kyushu Inst Technol, Fac Engn, Dept Appl Chem, Kitakyushu, Fukuoka 804, Japan
[2] Kawasaki Giken Engn & Construct Co Ltd, Minato Ku, Fukuoka 815, Japan
来源：
BIORESOURCE TECHNOLOGY | 1999年 / 68卷 / 03期
关键词：
anaerobic digestion; methane generation; solubilization; ultrasonic pretreatment; volatile fatty acid; waste activated sludge;
D O I：
10.1016/S0960-8524(98)00155-2
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
To enhance the efficiency of anaerobic digestion, we examined the effects of ultrasonic pretreatment on the solubilization of waste activated sludge (WAS) and on methane generation. Organic substances in WAS were solubilized by ultrasonic pretreatment. In the digestion with WAS pretreated by ultrasonic pretreatment for 30 min, the total quantity of generated methane increased by 64%, as compared with experimental control (non-treatment). In addition, the relationships between methane generation and concentrations of soluble protein, carbohydrate and volatile fatty acid (VFA) were also examined. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码：309 / 313
页数：5
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