Overcoming barriers for nitrate electrochemical reduction: By-passing water hardness.

Brackish waters Electrocatalysis Electrochemical water treatment Nitrate reduction Scaling Water hardness

Journal

Water research
ISSN: 1879-2448
Titre abrégé: Water Res
Pays: England
ID NLM: 0105072

Informations de publication

Date de publication:
15 Oct 2022
Historique:
received: 22 06 2022
revised: 16 08 2022
accepted: 13 09 2022
pubmed: 27 9 2022
medline: 21 10 2022
entrez: 26 9 2022
Statut: ppublish

Résumé

Water matrix composition impacts water treatment performance. However, matrix composition impacts have rarely been studied for electrochemical water treatment processes, and the correlation between the composition and the treatment efficiency is lacking. This work evaluated the electrochemical reduction of nitrate (ERN) using different complex water matrices: groundwater, brackish water, and reverse osmosis (RO) concentrate/brine. The ERN was conducted using a tin (Sn) cathode because of the high selectivity towards nitrogen evolution reported for Sn electrocatalysts. The co-existence of calcium (Ca

Identifiants

pubmed: 36155008
pii: S0043-1354(22)01064-8
doi: 10.1016/j.watres.2022.119118
pii:
doi:

Substances chimiques

Calcium SY7Q814VUP
Calcium Carbonate H0G9379FGK
Magnesium I38ZP9992A
Magnesium Hydroxide NBZ3QY004S
Minerals 0
Nitrates 0
Nitrogen N762921K75
Tin 7440-31-5

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

119118

Informations de copyright

Copyright © 2022. Published by Elsevier Ltd.

Déclaration de conflit d'intérêts

Declaration of Competing Interest Authors declare no conflict of interest.

Auteurs

Aksana Atrashkevich (A)

Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287-3005, USA.

Ana S Fajardo (AS)

Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287-3005, USA; Laboratoire Interfaces et Systèmes Electrochimiques (LISE), Sorbonne Université, CNRS, 4 Place Jussieu, Paris 75005, France. Electronic address: adossan3@asu.edu.

Paul Westerhoff (P)

Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287-3005, USA.

W Shane Walker (WS)

Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287-3005, USA; Civil Engineering, Center for Inland Desalination Systems, University of Texas at El Paso, El Paso, TX, USA.

Carlos M Sánchez-Sánchez (CM)

Laboratoire Interfaces et Systèmes Electrochimiques (LISE), Sorbonne Université, CNRS, 4 Place Jussieu, Paris 75005, France.

Sergi Garcia-Segura (S)

Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287-3005, USA. Electronic address: Sergio.garcia.segura@asu.edu.

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