Effect of potassium carbonate additive on CO2 absorption in lithium zirconate powder

被引：44

作者：

Ohashi, T ^{[1
]}

Nakagawa, K ^{[1
]}

机构：

[1] Toshiba Corp, Ctr Res & Dev, Mat & Devices Res Labs, Saiwai Ku, Kawasaki, Kanagawa 2108582, Japan

来源：

SOLID-STATE CHEMISTRY OF INORGANIC MATERIALS II | 1999年 / 547卷

关键词：

D O I：

10.1557/PROC-547-249

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Lithium zirconate, which reacts with CO2 reversibly at temperatures over 500 degrees C, is expected to find wider application than conventional CO2 absorbents, as the latter can be used only at room temperature. We examined the effect of potassium carbonate, which had usually been added to facilitate the formation of lithium zirconate in the past, on the kinetics of CO2 absorption reaction. The result shows that the CO2 absorption rate of lithium zirconate powder is extremely accelerated by the potassium carbonate additive. We conclude that this acceleration results from the formation of a eutectic carbonate composed of Li2CO3 and K2CO3.

引用

页码：249 / 254

页数：6