Electrochemical oxidation of reverse osmosis concentrate on boron-doped diamond anodes at circumneutral and acidic pH

Bagastyo, Arseto Yekti; Batstone, Damien J.; Kristiana, Ina; Gernjak, Wolfgang; Joll, Cynthia; Radjenović, Jelena

doi:10.1016/j.watres.2012.08.038

Cited by 110 publications

(57 citation statements)

References 33 publications

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“…In addition, faster COD removal than DOC removal implies the formation of persistent oxidation by-products, e.g., chlorinated organic compounds [6,24].…”

Section: Formation Of Active Chlorine and Removal Of Cod And Docmentioning

confidence: 99%

“…Recently developed boron-doped diamond (BDD) electrodes have received great attention due to a much wider potential range for O 2 evolution in aqueous electrolytes, which allows efficient formation of OH and otherreactive oxygen species [3,4]. BDD electrodes have been investigated for electrochemical oxidation of saline wastewater such as landfill leachate and reverse osmosis concentrate [5][6][7][8]. Due to the high content of recalcitrant organic compounds, these streams require an on-site treatment before being discharged into the receiving water bodies [9].…”

Section: Introductionmentioning

confidence: 99%

“…High concentrations of dissolved salts (i.e., chloride ions > 1 g L -1 ) contained in landfill leachate and reverse osmosis concentrate are attractive for electrochemical processes as they provide a lower internal ohmic resistance, thus reducing the energy demand of the process. However, electrochemical oxidation is expected to generate active chlorine species (e.g., Cl 2 , HClO/ClO -) that may increase thetoxicity of the treated stream due to the presence of chlorinated by-products [6,10]. The extent of chlorinated organic compounds formed in electrochemical oxidation depends on the initial characteristics of the stream (e.g., concentrations of chloride ions and organic pollutants) and reactor design and operation (e.g., applied current/potential and cell configuration) [11,7].…”

Section: Introductionmentioning

confidence: 99%

“…A number of studies on electrochemical treatment of municipal wastewater reverse osmosis concentrates have been conducted [6][7][8][9][12][13][14]. These have mainly been focused on the evaluation of the performance of BDD and other anode materials,…”

Section: Introductionmentioning

confidence: 99%

“…A c c e p t e d M a n u s c r i p t and effect of current density and chloride ions concentration on the electrochemical oxidation in the undivided (membraneless) electrolytic cell [6][7][8]12]. Also, a threedimensional electrode reactor using -Al 2 O 3 /Sn-Sb oxide as particle electrodes has been recently developed for the electrochemical treatment of reverse osmosis concentrates [13].…”

Section: Introductionmentioning

confidence: 99%

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Electrochemical treatment of reverse osmosis concentrate on boron-doped electrodes in undivided and divided cell configurations

Bagastyo

Batstone

Kristiana

et al. 2014

Journal of Hazardous Materials

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treatment of reverse osmosis concentrate on borondoped electrodes in undivided and divided cell configurations, Journal of Hazardous Materials (2014), http://dx.doi.org/10. 1016/j.jhazmat.2014.06.060 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. The TEQ was far lower than expected given the high AOCl concentrations.The undivided cell consumed lower energy compared to the divided cell.Page 2 of 24 A c c e p t e d M a n u s c r i p t The undivided cell exhibited lower energy compared to the divided cell, 0.25 kWh gCOD -1 and 0.34 kWh gCOD -1 , respectively, yet it did not demonstrate any improvement regarding by-products formation.

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“…In addition, faster COD removal than DOC removal implies the formation of persistent oxidation by-products, e.g., chlorinated organic compounds [6,24].…”

Section: Formation Of Active Chlorine and Removal Of Cod And Docmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Electrochemical treatment of reverse osmosis concentrate on boron-doped electrodes in undivided and divided cell configurations

Bagastyo

Batstone

Kristiana

et al. 2014

Journal of Hazardous Materials

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Approaches to Water and Wastewater Treatment for Removal of Emerging Contaminants: Ongoing Research and Recommendations for Future Work

Malato

Fernández‐Ibáñez

Oller

et al. 2014

Transformation Products of Emerging Contaminants in the Environment

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Electrochemical technologies for per‐ and polyfluoroalkyl substances mitigation in drinking water and water treatment residuals

et al. 2021

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Water treatment technologies are needed that can convert per-and polyfluoroalkyl substances (PFAS) into inorganic products (e.g., CO 2 , F À ) that are less toxic than parent PFAS compounds. Research on electrochemical treatment processes such as electrocoagulation and electrooxidation has demonstrated proof-of-concept PFAS removal and destruction. However, research has primarily been conducted in laboratory matrices that are electrochemically favorable (e.g., high initial PFAS concentration [μg/L-mg/L], high conductivity, and absence of oxidant scavengers). Electrochemical treatment is also a promising technology for treating PFAS in water treatment residuals from nondestructive technologies (e.g., ion exchange, nanofiltration, and reverse osmosis). Future electrochemical PFAS treatment research should focus on environmentally relevant PFAS concentrations (i.e., ng/L), matrix conductivity, natural organic matter impacts, short-chain PFAS removal, transformation products analysis, and systems-level analysis for cost evaluation.

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Electrochemical oxidation of reverse osmosis concentrate on boron-doped diamond anodes at circumneutral and acidic pH

Cited by 110 publications

References 33 publications

Electrochemical treatment of reverse osmosis concentrate on boron-doped electrodes in undivided and divided cell configurations

Electrochemical treatment of reverse osmosis concentrate on boron-doped electrodes in undivided and divided cell configurations

Approaches to Water and Wastewater Treatment for Removal of Emerging Contaminants: Ongoing Research and Recommendations for Future Work

Electrochemical technologies for per‐ and polyfluoroalkyl substances mitigation in drinking water and water treatment residuals

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