摘要
针对人工湿地在冬季低温条件下氨氮去除率下降的问题,提出构建人工湿地-微生物燃料电池(CW-MFC)的方法来提高人工湿地低温条件下的氨氮去除性能,并考察了CW-MFC构型对低温下氨氮去除性能的影响。120 d的室外连续运行结果表明,在平均气温9.8℃运行60 d,CW-MFC比传统湿地的氨氮去除率提高9.9%。在CW-MFC中添加玻璃纤维作为分隔材料并采用双阳极结构,氨氮平均去除率可以达到81.8%。在CW-MFC产电期间,CW-MFC的容积脱氮效率与输出电压存在较好的相关关系。
CW-MFC(Constructed wetland-Microbial Fuel Cell) technology was proposed to improve the ammonia nitrogen removal efficiency of constructed wetland under low temperature conditions due to the performance attenuation of conventional CW in winter. The effect of CW-MFC configurations on ammonia nitrogen removal performances at low temperature was investigated. The 120-day outdoor continuous operation results showed that the ammonia removal efficiency in CW-MFC was 9.9% higher than that in traditional wetland during the operation period(60 d) at the average temperature of 9.8 ℃. The average removal efficiency of ammonia nitrogen could reach 81.8% using glass fiber as the separator materials in CW-MFC with the double anodes. During the power generation period of CW-MFC, a linear positive correlation between volumetric nitrogen removal rate of CW-MFC and the output voltage was observed.
作者
刘虹霞
段佳华
马江鸿
朱怡溶
周震原
石明娟
李金页
LIU Hong-xia;DUAN Jia-hua;MA Jiang-hong;ZHU Yi-rong;ZHOU Zhen-yuan;SHI Ming-juan;LI Jin-ye(College of Quality and Safety Engineering,China Jiliang University,Hangzhou 310018,China;Hangzhou Zhenshi Environmental Technology Co.Ltd.,Hangzhou 310018,China)
出处
《高校化学工程学报》
EI
CAS
CSCD
北大核心
2023年第1期153-158,共6页
Journal of Chemical Engineering of Chinese Universities
基金
浙江省基础公益研究计划(LGF22E080032)。
关键词
微生物燃料电池
人工湿地
电池构型
低温
氨氮去除
microbial fuel cell
constructed wetland
cell configuration
low temperature
ammonia nitrogen removal
