Hydrothermal solidification of green tuff / tobermorite composites

Midori Takagi, Hirotaka Maeda, Hideki Ishida Emile

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Mesoporous green tuff / tobermorite composites were synthesized by hydrothermal treatment of powder compacts consisting of waste green tuff and slaked lime. XRD results showed that chlorite, the mineral responsible for the green coloration of green tuff, remained after hydrothermal treatment. Tobermorite formed as a result of a reaction between the quartz inherent in green tuff and slaked lime. The formation of tobermorite led to an increase in bending strength, reaching 12 MPa after 10 h of hydrothermal treatment, as well as to an increase in specific surface area and mesopore volume. The composite adsorbed a greater quantity of water vapour and ammonia gas than waste green tuff.

本文言語English
ページ(範囲)1221-1224
ページ数4
ジャーナルNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
117
1371
出版ステータスPublished - 2009 11

ASJC Scopus subject areas

  • Chemistry(all)
  • Ceramics and Composites
  • Materials Chemistry
  • Condensed Matter Physics

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