Effect of Crystallization Temperature on SAPO-34 Structure Stability

Acta Chimica Sinica ›› 2008, Vol. 66 ›› Issue (11): 1317-1321. Previous Articles Next Articles

晶化温度对SAPO-34结构稳定性的影响

王利军*^{,1，赵海涛²，郝志显²，徐立陆²，解丽丽¹，田震¹，袁昊¹，邴乃慈¹，李庆华¹}

(¹上海第二工业大学城市建设与环境工程学院上海 201209)
(²同济大学化学系上海 200092)

投稿日期:2007-10-24 修回日期:2008-01-22 发布日期:2008-06-14
通讯作者: 王利军

Effect of Crystallization Temperature on SAPO-34 Structure Stability

WANG, Li-Jun*^{,1; ZHAO, Hai-Tao²; HAO, Zhi-Xian²; XU, Li-Lu²; XIE, Li-Li¹; TIAN, Zhen¹; YUAN, Hao¹; BING, Nai-Ci¹; LI, Qing-Hua¹}

(¹ School of Urban Development and Environmental Engineering, Shanghai Second Polytechnic University, Shanghai 201209)
(² Department of Chemistry, Tongji University, Shanghai 200092)

Received:2007-10-24 Revised:2008-01-22 Published:2008-06-14
Contact: WANG, Li-Jun

Abstract

Two SAPO-34 samples were hydrothermally synthesized at 473 and 573 K respectively with diethylamine as the structure-director. SEM and XRD results showed that the SAPO-34 crystal size, crystallinity, BET surface area and pore diameter increased with increasing the crystallization temperature. The highest permissible calcination temperature and the highest permissible steam treatment temperature increased with increasing the crystallization temperature.

Key words: diethylamine, hydrothermal method, SAPO-34, calcination, steam treatment

Cite this article

WANG, Li-Jun*^,1; ZHAO, Hai-Tao²; HAO, Zhi-Xian²; XU, Li-Lu²; XIE, Li-Li; TIAN, Zhen; YUAN, Hao; BING, Nai-Ci; LI, Qing-Hua. Effect of Crystallization Temperature on SAPO-34 Structure Stability[J]. Acta Chimica Sinica, 2008, 66(11): 1317-1321.

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晶化温度对SAPO-34结构稳定性的影响

Effect of Crystallization Temperature on SAPO-34 Structure Stability

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