Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply

In order to promote the application of electrochemical water softening technology in industrial circulating cooling water systems, electric field type, cathode structure and solution residence time are selected for optimization analysis of an electrochemical water softening device. The experimental...

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Autores principales:	Zhonghao Wang, Wei Lin, Wei Wang, Zhangwei Wang, Jimin Li, Jianmin Xu, Jiuyang Yu
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	bubble movement electrochemical water softening mesh cathode micro analysis technology pulse power Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/6c1471466cb143a7ab9f3895b6bfb644
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id	oai:doaj.org-article:6c1471466cb143a7ab9f3895b6bfb644
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spelling	oai:doaj.org-article:6c1471466cb143a7ab9f3895b6bfb6442021-11-23T18:41:00ZResearch on performance optimization and mechanism of electrochemical water softening applied by pulse power supply0273-12231996-973210.2166/wst.2021.436https://doaj.org/article/6c1471466cb143a7ab9f3895b6bfb6442021-11-01T00:00:00Zhttp://wst.iwaponline.com/content/84/9/2432https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732In order to promote the application of electrochemical water softening technology in industrial circulating cooling water systems, electric field type, cathode structure and solution residence time are selected for optimization analysis of an electrochemical water softening device. The experimental results show that the water softening performance per unit area of mesh cathode is better than that of a plate cathode. In addition, the softening amount per unit area of the mesh cathode can be further increased when the high-frequency (HF) power supply is applied. When the HF power supply is applied, the softening amount per unit area is 158.58 g/m2·h−1 more than when the direct current power supply is applied. In order to explore the growth mechanism of calcium carbonate, micro-analysis technology and high-speed bubble photography technology are used. The results show that the bubbles escape along the longitudinal direction of the electrode plate, and the main growth direction of calcium carbonate growth is consistent with the escape direction of the bubble; that is, the bubbles grow along the longitudinal direction of the electrode plate. The special structure of the diamond-shaped mesh cathode facilitates the growth of calcium carbonate crystals. HIGHLIGHTS The high-frequency power supply can further increase the descaling amount per unit area of the mesh cathode.; The special structure of the diamond-shaped mesh cathode facilitates the growth of calcium carbonate crystals.; The maximum desalination rate of this experimental device is 604.5 g/m2 h−1.;Zhonghao WangWei LinWei WangZhangwei WangJimin LiJianmin XuJiuyang YuIWA Publishingarticlebubble movementelectrochemical water softeningmesh cathodemicro analysis technologypulse powerEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 84, Iss 9, Pp 2432-2445 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bubble movement electrochemical water softening mesh cathode micro analysis technology pulse power Environmental technology. Sanitary engineering TD1-1066
spellingShingle	bubble movement electrochemical water softening mesh cathode micro analysis technology pulse power Environmental technology. Sanitary engineering TD1-1066 Zhonghao Wang Wei Lin Wei Wang Zhangwei Wang Jimin Li Jianmin Xu Jiuyang Yu Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
description	In order to promote the application of electrochemical water softening technology in industrial circulating cooling water systems, electric field type, cathode structure and solution residence time are selected for optimization analysis of an electrochemical water softening device. The experimental results show that the water softening performance per unit area of mesh cathode is better than that of a plate cathode. In addition, the softening amount per unit area of the mesh cathode can be further increased when the high-frequency (HF) power supply is applied. When the HF power supply is applied, the softening amount per unit area is 158.58 g/m2·h−1 more than when the direct current power supply is applied. In order to explore the growth mechanism of calcium carbonate, micro-analysis technology and high-speed bubble photography technology are used. The results show that the bubbles escape along the longitudinal direction of the electrode plate, and the main growth direction of calcium carbonate growth is consistent with the escape direction of the bubble; that is, the bubbles grow along the longitudinal direction of the electrode plate. The special structure of the diamond-shaped mesh cathode facilitates the growth of calcium carbonate crystals. HIGHLIGHTS The high-frequency power supply can further increase the descaling amount per unit area of the mesh cathode.; The special structure of the diamond-shaped mesh cathode facilitates the growth of calcium carbonate crystals.; The maximum desalination rate of this experimental device is 604.5 g/m2 h−1.;
format	article
author	Zhonghao Wang Wei Lin Wei Wang Zhangwei Wang Jimin Li Jianmin Xu Jiuyang Yu
author_facet	Zhonghao Wang Wei Lin Wei Wang Zhangwei Wang Jimin Li Jianmin Xu Jiuyang Yu
author_sort	Zhonghao Wang
title	Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
title_short	Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
title_full	Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
title_fullStr	Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
title_full_unstemmed	Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
title_sort	research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/6c1471466cb143a7ab9f3895b6bfb644
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_version_	1718416158237917184

Research on performance optimization and mechanism of electrochemical water softening applied by pulse power supply

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