Optimized matching modes of bioelectrochemical module and anaerobic sludge in the integrated system for azo dye treatment

Optimization of a bioelectrochemical system for 2,4-dichloronitrobenzene transformation using response surface methodology

“…Kong et al reported that in a reactor with 1/4 soaking electrode, the functional microbes in the sludge could migrate to the upper part of the electrode more easily, contributing to the formation of a biolm on the electrode surface. 24 This might be related to the electron transfer through the electrode. However, the biolms on the over-immerged electrodes, which might not be bioelectrocatalytically active, would exhibit electron transfer resistance.…”

“…However, when the electrode was totally immerged in the sludge, microbes would attach on the surface of the electrode to form a thick biolm, reducing the effective contact area of the electrode with the pollutant, and leading to a decrease in pollutant transformation. 24 Taking the results above together, electrode position inuences the formation of the biolm, leading to differences in resistance, current and pollutant removal efficiency. The overthick biolm in the 100% reactor would inhibit pollutant transformation.…”

Degradation of Azo Dye and Electricity Generation Using Yeast Mediated Microbial Fuel Cell

“…Anodic treatment process on azo dye treatment using single chambered MFC, would be more favorable than double chamber MFCs due to non-mixing contacting reactor scheme for operation (Miyahara et al, 2015). MFCs considered as higher salinity for production of power after adding NaCl to it, increases the density of internal resistance of anode system and gives enhanced power output (Kong et al, 2015). It showed 94% degradation on acid orange 7 pollutants.…”

Optimization of working cathode position in sleeve-type bioelectrochemical system with inner chamber/outer chamber for azo dye treatment

“…. Its advantages have been demonstrated in some cases, for example desalination, decolorization and the treatment of chromium (Huang et al, 2010;Jacobson et al, 2011;Kong et al, 2015bKong et al, , 2015c. These studies indeed provided the feasibility of the BES with sleeve-type configuration to treat wastewater, however, as a sustainable and environment-friendly technology, the practical application of BES is strongly limited by their configuration optimum and the assembled optimization for operation (Ge et al, 2014;Gil-Carrera et al, 2011;Ping and He, 2013;Raman and Lan, 2012;Uría et al, 2012), which could provide important theory for further scale-up.…”