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Improved performance of the microbial electrolysis desalination and chemical-production cell with enlarged anode and high applied voltages.

Abstract：

:The aim of this study was to improve performance of the microbial electrolysis desalination and chemical-production cell (MEDCC) using enlarged anode and high applied voltages. MEDCCs with anode lengths of 9 and 48cm (i.e., the 9cm-anode MEDCC and 48cm-anode MEDCC, respectively) were tested under different voltages (1.2-3.0V). Our results demonstrated for the first time that the MEDCC could maintain high performance even under the applied voltage higher than that for water dissociation (i.e., 1.8V). Under the applied voltage of 2.5V, the maximum current density in the 48cm-anode MEDCC reached 32.8±2.6A/m2, which is one of the highest current densities reported so far in the bioelectrochemical system (BES). The relative abundance of Geobacter was changed along the anode length. Our results show the great potential of the BES with enlarged anode and high applied voltages.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Ye B,Luo H,Lu Y,Liu G,Zhang R,Li X

doi

10.1016/j.biortech.2017.08.049

subject

Has Abstract

pub_date

2017-11-01 00:00:00

pages

913-919

issue

Pt 1

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(17)31354-8

journal_volume

244

pub_type

杂志文章

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