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

页码：1405 / 1409

页数：5

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