In-situ integration of microbial fuel cell with hollow-fiber membrane bioreactor for wastewater treatment and membrane fouling mitigation

Tian, Yu; Li, Hui; Li-pin, LI; Su, Xinying; Lu, Yaobin; Zuo, Wei

doi:10.1016/j.bios.2014.08.070

Cited by 118 publications

(41 citation statements)

References 36 publications

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“…The coupled system removed 56.9% of the total inorganic nitrogen, significantly higher than the 7.6% of the MBER equipped with CEM. The alleviated fouling in similar configurations could also be attributed to the lower particle zeta potential and a lower amount of soluble microbial products in the cathodes (Tian et al, 2014(Tian et al, , 2015. Although fouling mitigation was observed in these MBERs, aeration consumes a large amount of energy, which may be not economically feasible in large-scale practice.…”

Section: Uf Membrane In the Cathodementioning

confidence: 78%

Integrating membrane filtration into bioelectrochemical systems as next generation energy-efficient wastewater treatment technologies for water reclamation: A review

Yuan

2015

Bioresource Technology

143

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Bioelectrochemical systems (BES) represent an energy-efficient approach for wastewater treatment, but the effluent still requires further treatment for direct discharge or reuse. Integrating membrane filtration in BES can achieve high-quality effluents with additional benefits. Three types of filtration membranes, dynamic membrane, ultrafiltration membrane and forward osmosis membrane that are grouped based on pore size, have been studied for integration in BES. The integration can be accomplished either in an internal or an external configuration. In an internal configuration, membranes can act as a separator between the electrodes, or be immersed in the anode/cathode chamber as a filtration component. The external configuration allows BES and membrane module to be operated independently. Given much progress and interest in the integration of membrane filtration into BES, this paper has reviewed the past studies, described various integration methods, discussed the advantages and limitations of each integration, and presented challenges for future development.

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Section: Uf Membrane In the Cathodementioning

confidence: 78%

Integrating membrane filtration into bioelectrochemical systems as next generation energy-efficient wastewater treatment technologies for water reclamation: A review

Yuan

2015

Bioresource Technology

143

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“…Although the spontaneous electric field intensity of the SEF‐MBR reactor with the Cu‐NWs conductive membrane prepared by the phase inversion method was slightly lower than that of the Control‐1, it was much higher than those of the existing reports. It was 0.036 V/cm by inserting cathode in the membrane module (Liu et al., ), 0.044 V/cm by installing hollow fiber membrane in MFC (Tian et al., ) and 0.029 V/cm by using conductive membrane as cathode (Liu et al., ). It was potentially attributed to higher conductivity of copper than conductive polymers and better durability of Cu‐NWs conductive membrane than membranes prepared by surface coating method used in the literatures mentioned above (Kumar et al., ; Li et al., , ).…”

Section: Resultsmentioning

confidence: 99%

A spontaneous electric field membrane bioreactor with the innovative Cu‐nanowires conductive microfiltration membrane for membrane fouling mitigation and pollutant removal

Yin

Wang

et al. 2019

Water Environment Research

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In this study, a spontaneous electric field membrane bioreactor (SEF‐MBR), equipped with the innovative Cu‐nanowires conductive microfiltration membrane, was developed to achieve membrane fouling mitigation and high‐quality effluent. The membrane fouling was significantly mitigated due to the presence of spontaneous electric field that the intensity of the spontaneous electric field in the established SEF‐MBR was up to 0.073 V/cm. After over 2‐month operation, the membrane flux of SEF‐MBR was 2.1 times that of the control reactor. The thickness of fouling layer on the Cu‐nanowires conductive membrane surface was about 80 μm, which was far thinner than that on the surface of commercial polyvinylidene fluoride (PVDF) membrane. Meanwhile, it was featured with the lower microbe density and extracellular polymeric substance (EPS) content. The effluent quality of SEF‐MBR met the first‐class discharge standards, and the removal rates were 94.5% for chemical oxygen demand (COD), 99.8% for NH4+-N, 78.5% for total nitrogen (TN), and 86.6% for total phosphorus (TP). The established system with the innovative Cu‐nanowires conductive membrane showed a promising prospect for using the spontaneous electric field to mitigate membrane fouling and achieve high‐quality effluent without extra power consumption. Practitioner points The innovative Cu‐NWs conductive microfiltration membrane was prepared. The spontaneous electric field in the novel SEF‐MBR mitigated membrane fouling. The fouling layer of the novel SEF‐MBR was thinner with lower microbe and EPS content. The effluent quality of the novel SEF‐MBR met the first‐class discharge standard.

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“…Microbial fuel cell (MFC), a bioelectrochemical system (BES) converting wastewater to electric energy by the microorganisms intrinsic in wastewater possesses the unique feature as wastewater shock sensor, since the jump or drop of the voltage/power output of a MFC is directly associated with electrogenic bacterial activity (Kim et al, 2007;Liu and Logan, 2004;Liu et al, 2005;Logan, 2009;Mukherjee et al, 2013;Oh and Logan, 2005;Tian et al, 2015;Wang et al, 2013) and affected by shocks in wastewater. Moreover, unlike conventional wastewater biosensors requiring coated enzymes and/or pure bacterial cells and external power supply (Curtis et al, 2009;Okochi et al, 2004;Woznica et al, 2010.…”

Section: Introductionmentioning

confidence: 98%

Disposable self-support paper-based multi-anode microbial fuel cell (PMMFC) integrated with power management system (PMS) as the real time “shock” biosensor for wastewater

Liu

Williams

et al. 2016

Biosensors and Bioelectronics

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In-situ integration of microbial fuel cell with hollow-fiber membrane bioreactor for wastewater treatment and membrane fouling mitigation

Cited by 118 publications

References 36 publications

Integrating membrane filtration into bioelectrochemical systems as next generation energy-efficient wastewater treatment technologies for water reclamation: A review

Integrating membrane filtration into bioelectrochemical systems as next generation energy-efficient wastewater treatment technologies for water reclamation: A review

A spontaneous electric field membrane bioreactor with the innovative Cu‐nanowires conductive microfiltration membrane for membrane fouling mitigation and pollutant removal

Disposable self-support paper-based multi-anode microbial fuel cell (PMMFC) integrated with power management system (PMS) as the real time “shock” biosensor for wastewater

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