Effect of heat-assisted grinding of a calcium hydroxide-gibbsite mixture on formation of hydrated calcium aluminate and its hydration behavior

Junya Kano, Hiroshi Yamashita, Fumio Saito

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Heat-assisted grinding of a mixture of Al(OH)3 and Ca(OH)2 was conducted at different temperatures ranging from room temperature (about 293 K) to 773 K using a tumbling ball mill. The grinding of the mixture for up to 100 h at 373 K enabled us to synthesize hydrated calcium aluminate directly. This compound was not formed by grinding at room temperature nor at a temperature higher than 473 K. All the mixture ground for 100 h at any temperature was transformed into excess hydrated calcium aluminate by the addition of water but the unground mixture remained unchanged.

本文言語English
ページ(範囲)279-280
ページ数2
ジャーナルPowder Technology
98
3
DOI
出版ステータスPublished - 1998 8月 15

ASJC Scopus subject areas

  • 化学工学(全般)

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