Effect of the silicate structure on calcium elution behaviors of calcium-silicate based mineral phases in aqueous solution

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3 Citations (Scopus)

Abstract

In this study, the effect of the silicate structure of calcium-silicate based mineral phases on their Ca elution behaviors into water was investigated. The Ca elution behaviors of Ca-silicate based mineral phases with different skeleton silicate structures in ion-exchanged water were analyzed using the powder leaching test. The elution amount of Ca was in the order alite (Ca3SiO5) > belite (γ-Ca2SiO4) > rankinite (Ca3Si2O7) > pseudowollastonite (α-CaSiO3) > wollastonite (β-CaSiO3) ≈ cuspidine (Ca4Si2O7F2) > diopside (CaMgSi2O6) > hedenbergite (CaFeSi2O6) > tremolite (Ca2Mg5Si8O22(OH)2) > anorthite (CaAl2Si2O8). This suggests that the elution amount of Ca decreased with the skeleton silicate structure became more complicated.

Original languageEnglish
Pages (from-to)419-425
Number of pages7
JournalIsij International
Volume60
Issue number3
DOIs
Publication statusPublished - 2020

Keywords

  • Ca elution behavior
  • Silicate structure
  • Steelmaking slag

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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