NDLI: Synthesis of zeolite with paulingite structure

Content Provider	Springer Nature Link
Author	Golubeva, O. Yu. Ul’yava, N. Yu. Yakovlev, A. V.
Copyright Year	2015
Abstract	The work is concerned with studying the conditions of hydrothermal synthesis of zeolite with a paulingite structure and optimizing the procedure of its preparation. The effect of the synthesis temperature and duration, the stirring speed, and the pressure on the crystallization of paulingite from the gel of the composition 9SiO2: 1.0Al2O3: 0.6Na2O: 0.4K2O: 1.4 (TEA)2O: 0.3Na2SO4: 140H2O, where (TEA)2O is tetraethylammonium oxide, were studied. The results showed that the temperature and the accuracy of its maintenance during the hydrothermal treatment of the initial gels have the greatest influence on paulingite crystallization. The optimal conditions for the synthesis of a single-phase product with a paulingite structure during the shortest possible time (10 h) were determined: a temperature of 180°C, pressure of 20 × 102 kPa, a stirring speed of 1000 rpm, a heating rate of the initial gel of 2°C/min, and the accuracy of maintaining the predetermined temperature within ±0.1°C.
Starting Page	413
Ending Page	416
Page Count	4
File Format	PDF
ISSN	10876596
Journal	Glass Physics and Chemistry
Volume Number	41
Issue Number	4
e-ISSN	1608313X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-08-13
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	zeolites paulingite ECR-18 hydrothermal synthesis chemical reactors Ceramics, Glass, Composites, Natural Methods Characterization and Evaluation of Materials Materials Science Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Materials Chemistry Condensed Matter Physics

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