SYNTHESIS AND CHARACTERIZATION OF ZSM-48 IN THE PURE SOLID SYSTEM

被引：23

作者：

LI, RF ^{[1
]}

FAN, WB ^{[1
]}

MA, JH ^{[1
]}

FAN, BB ^{[1
]}

CAO, JH ^{[1
]}

机构：

[1] TAIYUAN UNIV TECHNOL,INST SPECIAL CHEM,TAIYUAN,PEOPLES R CHINA

来源：

ZEOLITES | 1995年 / 15卷 / 01期

关键词：

SOLID CRYSTALLIZATION; ZMS-48; CRYSTALLIZATION MECHANISMS;

D O I：

10.1016/0144-2449(94)00005-D

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

NaZSM-48 has been synthesized successfully in a pure solid system of Na2O-SiO2-Al2O3-H2N(CH2)(6)NH2. This method greatly increased the yield of products and decreased the pollution of waste liquid. XRD patterns and data of the as-synthesized sample closely matched those of ZSM-48 synthesized hydrothermally. The sample was also examined with SEM, t.g.-d.t.a, and i.r.; and the crystallization kinetics in the system was studied. The results showed that both the hexan-1,6-diamine (HEXDM) content and the autoclave type greatly influenced the crystallization. Framework FTi.r. bands of the as-synthesized ZMS-48 were shifted toward lower frequencies than those of ZSM-48 synthesized in aqueous and nonaqueous systems.

引用

页码：73 / 76

页数：4

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