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张恩仁等在Bioresource Technology发表研究论文
发布日期:2017-07-14浏览次数:字号:[ ]

Efficient removal of nitrobenzene and concomitant electricity production by single-chamber microbial fuel cells with activated carbon air-cathode

Enren Zhang a,*, Feng Wang a, Wenjing Zhaia, Keith Scottb, Xu Wangc, Guowang Diaoa

a School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou City 225002, China

b School of Chemical Engineering and Advanced Materials, Newcastle University, Newcastle NE1 7RU, United Kingdom

c School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China

 

*Corresponding author. Email: babyphotomail@qq.com, erzhang@yzu.edu.cn (E. Zhang)

Abstract

Single-chamber microbial fuel cells (S-MFCs) with bio-anodes and activated carbon (AC) air-cathodes showed high nitrobenzene (NB) tolerance and NB removal with concomitant electricity production. The maximum power over 25 W m-3 could be obtained when S-MFCs were operated in the NB loading range of 1.2–6.2 mol m-3 d-1, and stable electricity production over 13.7 W m-3 could be produced in a NB loading range of 1.2–14.7 mol m-3 d-1. The present S-MFCs exhibited high NB removal performance with NB removal efficiency over 97% even when the NB loading rate was increased to 17.2 mol m-3 d-1. The potential NB reduced product (i.e. aniline) could also be effectively removed from influents. The findings in this study means that single-chamber MFCs assembled with pre-enriched bio-anodes and AC air cathodes could be developed as effective bio-electrochemical systems to remove NB from wastewaters and to harvest energy instead of consuming energy.

 

Bioresource Technology 229 (2017) 111-118. IF= 5.651

文章链接: http://dx.doi.org/10.1016/j.biortech.2017.01.009




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