Phase-Controlled Synthesis of Zeolites from Sodium Aluminosilicate under OSDA/Solvent-Free Conditions

被引：7
作者：
Mizuno, Yoshitaka [1 ]
Miyake, Koji [1 ]
Tanaka, Shunsuke [2 ]
Nishiyama, Norikazu [3 ]
Fukuhara, Choji [1 ]
Kong, Chang Yi [1 ]
机构：
[1] Shizuoka Univ, Dept Appl Chem & Biochem Engn, Fac Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan
[2] Kansai Univ, Fac Environm & Urban Engn, 3-3-35 Yamate Cho, Suita, Osaka 5648680, Japan
[3] Osaka Univ, Div Chem Engn, Grad Sch Engn Sci, 1-3 Machikaneyama, Toyonaka, Osaka 5608531, Japan
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2021年 / 2021卷 / 14期
关键词：
Crystal engineering; Green chemistry; Materials science; Solvent-free synthesis; Zeolites;
D O I：
10.1002/ejic.202100049
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
OSDA/solvent-free synthesis of zeolites is suitable for practical commercialization due to low environmental damage and low cost. However, only a few types of zeolites have been successfully synthesized by this method. In this study, ANA, CAN, GIS, SOD, FAU and LTA type zeolites were synthesized by the OSDA/solvent-free synthesis method by changing the Si/Al ratio and crystallization temperature in detail. At higher Si/Al ratios, FAU, GIS and ANA type zeolites were obtained with an increase of crystallization temperature. Meanwhile, at lower Si/Al ratios, LTA, SOD and CAN type zeolites were obtained with an increase of crystallization temperature. It was found that zeolites with high T atom density were synthesized with an increase of the crystallization temperature; zeolite with a high T atomic density is more stable. This work reveals the correlation between the Si / Al ratio and the crystallization temperature in OSDA/solvent-free synthesis of zeolites, which provides a clear guideline for the OSDA/solvent-free synthesis of zeolites.
引用
收藏
页码：1405 / 1409
页数：5
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