Cited by 75Advanced oxidation water treatmentWastewater Treatment and Nitrogen RemovalElectrocatalysts for Energy Conversion

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Process Optimization of Electrochemical Oxidation of Ammonia to Nitrogen for Actual Dyeing Wastewater Treatment

Open access
Yao, Jiachao, Mei, Yu, Xia, Guanghua, Lu, Yin, Xu, Dongmei, Sun, Nabo, Wang, Jiade, Chen, Jun·2019·International Journal of Environmental Research and Public Health

Abstract

To mitigate the potential environmental risks caused by nitrogen compounds from industrial wastewater, residual ammonia after conventional wastewater treatment should be further eliminated. In this work, an electrochemical oxidation process for converting ammonia to nitrogen in actual dyeing wastewater was investigated. The effects of the main operating parameters, including initial pH value, applied current density, NaCl concentration, and flow, were investigated on ammonia removal and products distribution. Experimental results indicated that, under optimal conditions of an initial pH value of 8.3, applied current density of 20 mA cm−2, NaCl concentration of 1.0 g L−1, and flow of 300 mL min−1, the ammonia could be completely removed with N2 selectivity of 88.3% in 60 min electrolysis. A kinetics investigation using a pseudo-first-order model provided a precise description of ammonia removal during the electro-oxidation process. Experimental functions for describing the relationships between kinetic constants of ammonia removal and main operating parameters were also discussed. Additionally, the mechanisms and economic evaluation of ammonia oxidation were conducted. All these results clearly proved that this electro-oxidation process could efficiently remove ammonia and achieve high N2 selectivity.

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Crossref · 10.3390/ijerph16162931

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  • Noble metal AOR electrocatalysts are prone to deactivation due to adsorption of reaction by-products on the catalyst surface.

    “In addition to their high cost and limited availability, these materials are prone to deactivation due to the adsorption of reaction by-products on the catalyst surface [19,20].”

    From Hydrogen production via ammonia using trimetallic-doped aerogels based on Fe, Ni, Co (2025) · cites this paper as [20]

    The Introduction and Materials and Methods §2.1 discuss ammonia oxidation and electrode selection, while Results §3.5 describes oxidation mechanisms. None addresses deactivation of noble-metal AOR catalysts through adsorption of reaction by-products; searches for deactivation, poisoning, and adsorption found no supporting passage. Page numbers were not available in our copy. (LLM, conf=0.76)

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Metadata

Authors
Yao, J., Mei, Y., Xia, G., Lu, Y., Xu, D., Sun, N., Wang, J., & Chen, J.
Affiliations
  • Zhejiang Shuren University (CN)
  • Zhejiang University of Technology (CN)
Corresponding author
Chen, Jun
Venue
International Journal of Environmental Research and Public Health
Publisher
MDPI AG
Published
2019-08-15
Volume
16
Issue
16
Pages
2931
ISSN
1660-4601 (ISSN-L)
OpenAlex
W2968853768
Cited by
75
References
41
Citations by year
2026: 12 · 2025: 9 · 2024: 11 · 2023: 16 · 2022: 10 · 2021: 10 · 2020: 7
FWCI
2.44
Type
journal article
Language
en
Open access
Locations
  • International Journal of Environmental Research and Public Health (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • the National Natural Science Foundation of China (51878614)
  • the Key Research and Development Plan from Zhejiang Province (2019C03094)
  • “Talent Cultivation Project” of Zhejiang Science and Technology Association (2018YCGC011)
  • “Qingchuang Project” of Zhejiang Shuren University (2019QC20)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
Keywords
ammonia electrooxidation, dyeing wastewater, nitrogen removal, N2 selectivity, electrochemical oxidation, pseudo-first-order kinetics, current density, NaCl concentration, pH effect, wastewater treatment, process optimization
MeSH terms
Ammonia, Coloring Agents, Electrolysis, Nitrogen, Oxidation-Reduction, Waste Disposal, Fluid, Water Pollutants, Chemical, Wastewater

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