Dehydrochlorination and recovery of hydrochloric acid by thermal treatment of a chloride ion-intercalated hydrotalcite-like compound

Tomohito Kameda, Toshiaki Yoshioka, Kouji Watanabe, Miho Uchida, Akitsugu Okuwaki

研究成果: ジャーナルへの寄稿学術論文査読

16 被引用数 (Scopus)

抄録

We examined the dehydrochlorination of a chloride ion-intercalated hydrotalcite-like compound (Cl--HT) on thermal treatment under water vapor, and the subsequent recovery of hydrochloric acid. The degree of dehydrochlorination increased with increasing temperature, partial pressure of water vapor, and time, whereas the hydrochloric acid concentration decreased with increasing partial pressure of water vapor and time. Greater than 90% dehydrochlorination and greater than 20 wt.% recovery of hydrochloric acid could be obtained by thermal treatment of Cl--HT in the conditions as follows; temperature: 550 °C, time: 0.5 h, water vapor: 7%.

本文言語英語
ページ(範囲)215-219
ページ数5
ジャーナルApplied Clay Science
37
1-2
DOI
出版ステータス出版済み - 2007 6月

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