Decomposition characteristics of propionate when changing the electrode material, external resistance and reactor temperature of microbial fuel cells
Decomposition characteristics of propionate when changing the electrode material, external resistance and reactor temperature of microbial fuel cells
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DOI：
10.1016/j.ijhydene.2021.10.200
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发表时间：
2021-11
影响因子：
7.2
通讯作者：
M. Ueda;S. Tojo;T. Chosa;M. Uchigasaki
中科院分区：
文献类型：
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作者：
M. Ueda;S. Tojo;T. Chosa;M. Uchigasaki
以顺序消耗有机酸组分的串联型微生物燃料电池（MFC）为研究对象，研究了电极材料、外阻和温度对MFC分解乙酸盐和丙酸盐特性的影响。在电极材料方面，丙酸盐在炭布（CC）中分解所需的时间比在炭毡（CF）中要短，在炭布（CC）中产生的最大功率比在炭布（CF）和乙酸基（乙酸基）中都要高。以100 Ω或10 Ω代替1000 Ω外阻时，丙酸酯的分解速率和最大功率均低于乙酸酯。醋酸酯在30℃和37℃下的分解时间分别为14.8和19.4 h，丙酸在30℃和37℃下的分解时间分别为25.3和17.2 h。微生物群落在30°C和37°C的温度范围内变化显著。
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 Ω was replaced with 100 Ω or 10 Ω, 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 °C and 37 °C was 14.8 and 19.4 h, while 25.3 and 17.2 h in propionate at 30 °C and 37 °C, respectively. The microbial community changed significantly between 30 °C and 37 °C of the temperature.