Formation of a silicato complex of zinc in aqueous solution and its accelerating effect on the formation of silica scales in cooling water systems

Gaowa Naren, Ikuko Nishida, Yuuki Shimada, Yutaka Tsuji, Shuqin Bai, Yoshihiro Okaue, Takushi Yokoyama

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This study elucidates the effect of zinc (Zn), which is an anticorrosive water additive, on the formation of silica scales from cooling water. In these experiments, the silica scales were analyzed by EPMA, and the results indicate that Zn is sorbed into the silica scales during formation. Measurements of the solubility of Zn(OH)2 at various concentrations of silicic acid demonstrate that Zn is present as a silicato complex of Zn (SCZ) in cooling water. From adsorption experiments of the SCZ on silica and alumina, which are major components of the silica scales, it can be concluded that the SCZ accelerates the formation of silica scales from cooling water.

Original languageEnglish
Pages (from-to)331-334
Number of pages4
JournalJournal of Colloid And Interface Science
Volume353
Issue number1
DOIs
Publication statusPublished - Jan 1 2011

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Water cooling systems
Silicon Dioxide
Zinc
Silica
Cooling water
Silicic Acid
Aluminum Oxide
Electron probe microanalysis
Alumina
Solubility
Experiments
Adsorption
Acids
Water

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

Cite this

Formation of a silicato complex of zinc in aqueous solution and its accelerating effect on the formation of silica scales in cooling water systems. / Naren, Gaowa; Nishida, Ikuko; Shimada, Yuuki; Tsuji, Yutaka; Bai, Shuqin; Okaue, Yoshihiro; Yokoyama, Takushi.

In: Journal of Colloid And Interface Science, Vol. 353, No. 1, 01.01.2011, p. 331-334.

Research output: Contribution to journalArticle

Naren, Gaowa ; Nishida, Ikuko ; Shimada, Yuuki ; Tsuji, Yutaka ; Bai, Shuqin ; Okaue, Yoshihiro ; Yokoyama, Takushi. / Formation of a silicato complex of zinc in aqueous solution and its accelerating effect on the formation of silica scales in cooling water systems. In: Journal of Colloid And Interface Science. 2011 ; Vol. 353, No. 1. pp. 331-334.
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