Binder-free syntheses of high-performance zeolites A and X from kaolin

被引：33
|
作者：
Pavlov, M. L. [1 ]
Travkina, O. S. [2 ]
Basimova, R. A. [1 ]
Pavlova, I. N. [2 ]
Kutepov, B. I. [2 ]
机构：
[1] OAO Salavatnefteorgsintez, Salavat 453256, Bashkortostan, Russia
[2] Russian Acad Sci, Inst Petr Chem & Catalysis, Ufa 450001, Bashkortostan, Russia
来源：
PETROLEUM CHEMISTRY | 2009年 / 49卷 / 01期
关键词：
Zeolite; Kaolin; Sodium Silicate; Petroleum Chemistry; Sodium Silicate Solution;
D O I：
10.1134/S0965544109010071
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The crystallization behavior of metakaolin (Al2Si2O7) at 25-100A degrees C in solutions of sodium hydroxide and sodium silicate with different concentrations was studied, and the conditions for its conversion into finely divided, high-crystallinity zeolites of types A and X were determined. On the basis of the product zeolites and kaolin, procedures were developed for the preparation of pelleted, binder-free materials as polycrystalline accretions of zeolites A and X, which do not rank below pelleted zeolites obtained from synthetic feedstock.
引用
收藏
页码：36 / 41
页数：6
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