Decomposition characteristics of propionate when changing the electrode material, external resistance and reactor temperature of microbial fuel cells

被引：8
|
作者：
Ueda, Megumi [1 ]
Tojo, Seishu [2 ]
Chosa, Tadashi [2 ]
Uchigasaki, Manzo [3 ]
机构：
[1] Tokyo Univ Agr & Technol, United Grad Sch Agr Sci, Tokyo, Japan
[2] Tokyo Univ Agr & Technol, Inst Agr, Tokyo, Japan
[3] Nihon Univ, Coll Bioresource Sci, Tokyo, Japan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2022年 / 47卷 / 05期
关键词：
Propionate; Decomposition; Microbial fuel cell; Biofilm; Anode; WASTE-WATER; ANAEROBIC-DIGESTION; HYDROGEN; DEGRADATION; ACETATE; METHANE;
D O I：
10.1016/j.ijhydene.2021.10.200
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Assuming a series-type microbial fuel cell (MFC) that sequentially consumes organic acid components, the effects of the electrode material, external resistance, and temperature of MFC on the decomposition characteristics of acetate and propionate were investigated. As to electrode materials, propionate decomposition required less time in carbon cloth (CC) than that in carbon felt (CF), and maximum power was produced higher in CC than that in CF as well as acetate substrate. When the external resistance of 1000 U was replaced with 100 U or 10 U, both the decomposition rate and maximum power in propionate were lower than those in acetate, respectively. The time required for acetate decomposition at the temperature of 30 degrees C and 37 degrees C was 14.8 and 19.4 h, while 25.3 and 17.2 h in propionate at 30 degrees C and 37 degrees C, respectively. The microbial community changed significantly between 30 degrees C and 37 degrees C of the temperature. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2783 / 2793
页数：11
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