A novel multi-electrode system for electrolytic and biological water treatments:

Sakakibara, Yutaka; Nakayama, Tsuruo

doi:10.1016/s0043-1354(00)00327-4

Cited by 90 publications

(46 citation statements)

References 22 publications

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“…Table 3 be made of the biofilm-electrode reactor technology (BER) [27]. In a BER, an external power input is used to produce hydrogen in the cathode, which is subsequently used by bacteria to reduce nitrates.…”

Section: Economic Perspectives On Treating Nitrate Contaminated Grounmentioning

confidence: 99%

Cathode potential and anode electron donor evaluation for a suitable treatment of nitrate-contaminated groundwater in bioelectrochemical systems

Pous

Puig

Balaguer

et al. 2015

Chemical Engineering Journal

124

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This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. AbstractSeveral regions around the world present high levels of nitrate in groundwater. Due to its toxicity, nitrate must be removed before the groundwater is used as drinking-water.This study assessed how a denitrifying bioelectrochemical system could be operated to treat nitrate-polluted groundwater. It evaluated the cathode potential (from +597 to -703 mV vs SHE) and the anode electron donor (acetate and water). Similar trends were found regardless of the anode electron donor. The nitrate removal rate increased from

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Section: Economic Perspectives On Treating Nitrate Contaminated Grounmentioning

confidence: 99%

Cathode potential and anode electron donor evaluation for a suitable treatment of nitrate-contaminated groundwater in bioelectrochemical systems

Pous

Puig

Balaguer

et al. 2015

Chemical Engineering Journal

124

View full text Add to dashboard Cite

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“…A bio-electrochemical reactor processed by electrolysis of water producing oxygen gas at the anode and hydrogen gas at the cathode for simultaneous nitrification and denitrification (SND) has also been proposed (Goel and Flora, 2005). So far, BER systems that depend on electrolysis of water have been extensively investigated for use in biological nitrogen removal (Feleke and Sakakibara, 2002;Hayes et al, 1998;Islam and Suidan, 1998;Sakakibara and Nakayama, 2001;Szekeres et al, 2001;Wan et al, 2009;Watanabe et al, 2002). However, these electrochemically enhanced nitrogen removals require high applied voltage which is greater than 1.8 V at neutral pH, resulting in increase of electric energy input.…”

Section: Introductionmentioning

confidence: 99%

Autotrophic nitrogen removal from ammonium at low applied voltage in a single-compartment microbial electrolysis cell

Zhan

Zhang

et al. 2012

Bioresource Technology

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“…Bioelectrochemical systems (BESs) have intensively been explored for contamination removal, energy generation and biosynthesis [13][14][15][16][17]. Recent documents [18,19] showed that Fe (III) oxides potentially served as an electron acceptors for anaerobic ammonium oxidation.…”

Section: Introductionmentioning

confidence: 99%

Producing nitrite from anodic ammonia oxidation to accelerate anammox in a bioelectrochemical system with a given anode potential

Zhu

Zhang

et al. 2016

Chemical Engineering Journal

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Abstract:Requirement of NO 2 -presence in feed is one barrier of Anammox process for the application since NO 2 -is not a frequent composition in most wastewaters. In this study, anodic oxidation of NH 4 + to NO 2 -was realized in a single-chamber bioelectrochemical system with an anodic potential of -0.5 V. The NO 2 -product compensated its lack in the feed to accelerate the anammox. As a result, the anammox efficiency increased by at least 29.2%. When the potential was removed, the nitrogen removal in these two reactors had no significant differences. The SEM images and FISH analysis suggested that the abundance of anammox bacteria was obviously higher in R2.

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A novel multi-electrode system for electrolytic and biological water treatments:

Cited by 90 publications

References 22 publications

Cathode potential and anode electron donor evaluation for a suitable treatment of nitrate-contaminated groundwater in bioelectrochemical systems

Cathode potential and anode electron donor evaluation for a suitable treatment of nitrate-contaminated groundwater in bioelectrochemical systems

Autotrophic nitrogen removal from ammonium at low applied voltage in a single-compartment microbial electrolysis cell

Producing nitrite from anodic ammonia oxidation to accelerate anammox in a bioelectrochemical system with a given anode potential

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