Synthesis of ZSM-5 at low temperature and atmospheric pressure in a pilot-scale batch reactor

被引：43
|
作者：
Kim, WJ [1 ]
Lee, MC
Hayhurst, DT
机构：
[1] Univ S Alabama, Dept Chem Engn, Mobile, AL 36688 USA
[2] Konkuk Univ, Dept Ind Chem, Seoul, South Korea
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 1998年 / 26卷 / 1-3期
关键词：
ZSM-5; low-temperature synthesis; atmospheric-pressure synthesis; surface area; least defect sites;
D O I：
10.1016/S1387-1811(98)00225-X
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The synthesis of ZSM-5 was carried out at 100 degrees C and atmospheric pressure in a 301 batch reactor. The results show that a quality of ZSM-5 can easily be synthesized with a well-developed framework structure within 72 h of reaction. The crystallinity readily reached almost 100% and the yield was well over 70% for samples having various SiO(2)/Al(2)O(3) ratios. As the SiO(2)/Al(2)O(3) ratio decreased, the morphology changed from euhedral to spherulite along with an increase of aggregation. The average BET surface area of the samples was 371 m(2) g(-1) and nuclear magnetic resonance spectroscopic studies showed a quality of ZSM-5 with the least defect sites in the framework structure. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：133 / 141
页数：9
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