Study on the rapid crystallization of ETS-4 and ETS-10

被引：46
|
作者：
Kim, WJ
Lee, MC
Yoo, JC
Hayhurst, DT
机构：
[1] Konkuk Univ, Coll Engn, Dept Chem & Mat Engn, Jin Gu, Seoul, South Korea
[2] Univ S Alabama, Dept Chem Engn, Mobile, AL 36688 USA
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2000年 / 41卷 / 1-3期
关键词：
ETS-10; ETS-4; kinetic study; activation energy; water effect;
D O I：
10.1016/S1387-1811(00)00275-4
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The synthesis of ETS-10 was carried out at 200 degreesC using a 2(3) factorial method to optimize the overall composition of reaction mixture to produce pure ETS-10 within a short time. The results show that ETS-10 with a high crystallinity and well-defined morphology was successfully synthesized at high water content and low alkalinity within 18 h of reaction. The results also show that the effect of water on crystal size and morphology was not significant. A kinetic study on ETS-10 was performed using the optimum composition and the apparent activation energy was calculated as 66.78 kJ/mol. In addition, a kinetic study on ETS-4 was also performed and the apparent activation energy was calculated as 14.47 kJ/mol. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：79 / 88
页数：10
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