Electricity generation from food wastes and characteristics of organic matters in microbial fuel cell

被引：49
|
作者：
Li, Hui [2 ]
Tian, Yu [1 ,2 ]
Zuo, Wei [2 ]
Zhang, Jun [2 ]
Pan, Xiaoyue [3 ]
Li, Lipin [2 ]
Su, Xinying [4 ]
机构：
[1] Harbin Inst Technol SKLUWRE HIT, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
[2] Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin 150090, Peoples R China
[3] Beijing Tsinghua Tongheng Urban Planning & Design, Beijing 100085, Peoples R China
[4] Harbin Univ Commerce, Sch Food Engn, Harbin 150076, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 205卷
关键词：
Microbial fuel cell; Food waste; Electricity generation; Organic matter; Fractionation; ANAEROBIC-DIGESTION; WATER; PERFORMANCE; OPERATION; BIOELECTRICITY; TECHNOLOGY; REMOVAL; 2-PHASE; SLUDGE; ENERGY;
D O I：
10.1016/j.biortech.2016.01.042
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The microbial fuel cell (MFC) was evaluated as an alternative way to recover electricity from canteen based food waste. Characteristics of the organics in food waste before and after the MFC treatment were analyzed to investigate how the organic matters were biodegraded and transformed during the MFC treatment. A maximum power density of 5.6 W/m(3) and an average output voltage of 0.51 V were obtained. During the MFC operation, the hydrophilic and acidic fractions were more readily degraded, compared to the neutral fractions. Additionally, aromatic compounds in the hydrophilic fraction were more preferentially removed than non-aromatic compounds. The MFC could easily remove the tryptophan protein-like substances in all fractions and aromatic proteins in hydrophilic and hydrophobic neutral fractions. Additionally, the hydrophobic amide-1 proteins and aliphatic components were readily hydrolyzed and biodegraded in the MFC. These findings may facilitate the pretreatment and posttreatment choices for MFC system fed with food waste. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：104 / 110
页数：7
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