Evaluation of the formation of oxidants and by-products using Pt/Ti, RuO2/Ti, and IrO2/Ti electrodes in the electrochemical process

Yeojoon Yoon; Eunha Cho; Youmi Jung; Minhwan Kwon; Jaekyung Yoon; Joon Wun Kang

doi:10.1080/09593330.2014.946098

Evaluation of the formation of oxidants and by-products using Pt/Ti, RuO₂/Ti, and IrO₂/Ti electrodes in the electrochemical process

Yeojoon Yoon, Eunha Cho, Youmi Jung, Minhwan Kwon, Jaekyung Yoon, Joon Wun Kang

Division of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

The aim of this study was to evaluate the formation of oxidants and by-products by using different electrode materials, such as Pt/Ti, RuO₂/Ti, and IrO₂/Ti, in the electrochemical process. The harmful by-products ClO^-₃ and ClO^-₄ were formed during the electrolysis of a Cl^- electrolyte solution, as well as active chlorine, which is the most common water disinfectant. With regard to drinking water treatment, the most efficient electrode was defined as that leading to a higher formation of active chlorine and a lower formation of hazardous by-products. Overall, it was found that the Pt/Ti electrode should not be used for drinking water treatment applications, while the IrO₂/Ti and RuO₂/Ti electrodes are ideal for use.

Original language	English
Pages (from-to)	317-326
Number of pages	10
Journal	Environmental Technology (United Kingdom)
Volume	36
Issue number	3
DOIs	https://doi.org/10.1080/09593330.2014.946098
Publication status	Published - 2015 Feb 1

Bibliographical note

Funding Information:
This work is supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2013R1A2A2A05006466) and Korea Ministry of Education (MOE) as ‘BK21 PLUS Project’.

Publisher Copyright:
© 2014 Taylor & Francis.

All Science Journal Classification (ASJC) codes

Environmental Chemistry
Water Science and Technology
Waste Management and Disposal

Access to Document

10.1080/09593330.2014.946098

Cite this

@article{c018b6a66a7e4680b7b8dd2b95e3272e,

title = "Evaluation of the formation of oxidants and by-products using Pt/Ti, RuO2/Ti, and IrO2/Ti electrodes in the electrochemical process",

abstract = "The aim of this study was to evaluate the formation of oxidants and by-products by using different electrode materials, such as Pt/Ti, RuO2/Ti, and IrO2/Ti, in the electrochemical process. The harmful by-products ClO-3 and ClO-4 were formed during the electrolysis of a Cl- electrolyte solution, as well as active chlorine, which is the most common water disinfectant. With regard to drinking water treatment, the most efficient electrode was defined as that leading to a higher formation of active chlorine and a lower formation of hazardous by-products. Overall, it was found that the Pt/Ti electrode should not be used for drinking water treatment applications, while the IrO2/Ti and RuO2/Ti electrodes are ideal for use.",

author = "Yeojoon Yoon and Eunha Cho and Youmi Jung and Minhwan Kwon and Jaekyung Yoon and Kang, {Joon Wun}",

note = "Funding Information: This work is supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2013R1A2A2A05006466) and Korea Ministry of Education (MOE) as {\textquoteleft}BK21 PLUS Project{\textquoteright}. Publisher Copyright: {\textcopyright} 2014 Taylor & Francis.",

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T1 - Evaluation of the formation of oxidants and by-products using Pt/Ti, RuO2/Ti, and IrO2/Ti electrodes in the electrochemical process

AU - Yoon, Yeojoon

AU - Cho, Eunha

AU - Jung, Youmi

AU - Kwon, Minhwan

AU - Yoon, Jaekyung

AU - Kang, Joon Wun

N1 - Funding Information: This work is supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2013R1A2A2A05006466) and Korea Ministry of Education (MOE) as ‘BK21 PLUS Project’. Publisher Copyright: © 2014 Taylor & Francis.

PY - 2015/2/1

Y1 - 2015/2/1

N2 - The aim of this study was to evaluate the formation of oxidants and by-products by using different electrode materials, such as Pt/Ti, RuO2/Ti, and IrO2/Ti, in the electrochemical process. The harmful by-products ClO-3 and ClO-4 were formed during the electrolysis of a Cl- electrolyte solution, as well as active chlorine, which is the most common water disinfectant. With regard to drinking water treatment, the most efficient electrode was defined as that leading to a higher formation of active chlorine and a lower formation of hazardous by-products. Overall, it was found that the Pt/Ti electrode should not be used for drinking water treatment applications, while the IrO2/Ti and RuO2/Ti electrodes are ideal for use.

AB - The aim of this study was to evaluate the formation of oxidants and by-products by using different electrode materials, such as Pt/Ti, RuO2/Ti, and IrO2/Ti, in the electrochemical process. The harmful by-products ClO-3 and ClO-4 were formed during the electrolysis of a Cl- electrolyte solution, as well as active chlorine, which is the most common water disinfectant. With regard to drinking water treatment, the most efficient electrode was defined as that leading to a higher formation of active chlorine and a lower formation of hazardous by-products. Overall, it was found that the Pt/Ti electrode should not be used for drinking water treatment applications, while the IrO2/Ti and RuO2/Ti electrodes are ideal for use.

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