Zeolite synthesis in presence of hexamethonium ions

被引：24
|
作者：
Giordano, G. [1 ]
Nagy, J. B. [1 ]
Derouane, E. G. [2 ]
机构：
[1] Univ Calabria, Dipartimento Ingn Chim & Mat, I-87030 Arcavacata Di Rende, CS, Italy
[2] Univ Algarve, Faro, Portugal
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2009年 / 305卷 / 1-2期
关键词：
ZSM-48; EU-1 zeolite synthesis; Crystallization fields; Pore filling; C-13; NMR; HIGH-SILICA ZEOLITE; FRAMEWORK TOPOLOGY; DIRECTING AGENTS; EU-1; EUO; ZSM-48;
D O I：
10.1016/j.molcata.2008.12.024
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：
The role played by hexamethonium ions in the synthesis of one-dimensional ZSM-48 and EU-1 zeolitic structures is investigated. A systematic study is carried out to determine the factors influencing the preferential crystallization and/or co-crystallization of ZSM-48 and EU-1 from a sodium-hexamethonium-silica-alumina hydrogel. The influence of sodium and organic content and the Si/Al ratio in the initial hydrogel is specifically examined. An explanation is proposed for the accommodation of the hexamethonium ions in the different zeolitic frameworks of ZSM-48 and EU-1. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：34 / 39
页数：6
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