Effect of nano-bubble water on high solid anaerobic digestion of pig manure: Focus on digestion stability, methanogenesis performance and related mechanisms

被引：0
|
作者：
Fan, Yujie [1 ]
Lei, Zhongfang [2 ]
Yang, Xiaojing [1 ]
Kobayashi, Motoyoshi [2 ]
Adachi, Yasuhisa [2 ]
Zhang, Zhenya [2 ]
Shimizu, Kazuya [2 ]
机构：
[1] Univ Tsukuba, Grad Sch Life & Environm Sci, I-1-1 Tennodai, Tsukuba, Ibaraki 3058572, Japan
[2] Univ Tsukuba, Fac Life & Environm Sci, I-1-1 Tennodai, Tsukuba, Ibaraki 3058572, Japan
来源：
BIORESOURCE TECHNOLOGY | 2020年 / 315卷
关键词：
Anaerobic digestion; Nano-bubble water; Pig manure; Digestion stability; Methanogenesis performance; SWINE MANURE; BIOGAS PRODUCTION; CHICKEN MANURE; CO-DIGESTION; METHANE PRODUCTION; DAIRY MANURE; HYDROLYSIS; WASTE; FERMENTATION; PRETREATMENT;
D O I：
暂无
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In this study, high solid anaerobic digestion of pig manure (PM) under nano-bubble water (NBW) addition was investigated with focus on digestion stability, methanogenesis performance and related mechanisms. Volatile fatty acids (VFAs) inhibition occurred when total solids (TS) was about 8% without NBW addition, which was alleviated with improved digestion stability under NBW addition, facilitating the process of high solids anaerobic digestion (HSAD). The cumulative CH4 yield, on the other hand, was 201-230 mL/g-VS in the NBW reactors at TS of 3-6%, about 20.3-25.0% higher than the control reactors. At the same time, with higher water mobility and zeta potential, NBW was found to promote the consumption of soluble proteins/carbohydrates during the above AD process.
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页数：9
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