SYNTHESIS OF ZEOLITE-A FROM CALCINED DIATOMACEOUS CLAY - OPTIMIZATION STUDIES

被引：37

作者：

GHOSH, B ^{[1
]}

AGRAWAL, DC ^{[1
]}

BHATIA, S ^{[1
]}

机构：

[1] INDIAN INST TECHNOL,MAT SCI PROGRAMME,KANPUR 208016,UTTAR PRADESH,INDIA

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1994年 / 33卷 / 09期

关键词：

D O I：

10.1021/ie00033a013

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Optimization studies are carried out for the synthesis of zeolite A by a hydrothermal method using calcined diatomite. Fractional factorial design of experiments along with path of steepest ascent is used to optimize the composition and process parameters. A surface methodology technique is used to obtain the optimum value of the process parameters to maximize the percentage crystallinity of zeolite. It is found that SiO2/Al2O3 molar ratio of 1.31, Na2O/SiO2 molar ratio of 3.61, and temperature of hydrogel formation of 35.7 degrees C give maximum crystallinity of 92 % at the crystallization temperature of 110 degrees C and reaction time of 51 h.

引用

页码：2107 / 2110

页数：4

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