F. Vaudry, F. Di Renzo, P. Espiau, F. Fajula, Ph. Schulz
{"title":"Aluminum-rich zeolite beta","authors":"F. Vaudry, F. Di Renzo, P. Espiau, F. Fajula, Ph. Schulz","doi":"10.1016/S0144-2449(97)00083-3","DOIUrl":null,"url":null,"abstract":"<div><p>Hydrothermal synthesis of zeolite beta with an aluminum content as high as 8 atoms per unit cell has been performed in sodium-tetraethylammonium systems. Low alkalinity is required to avoid the formation of denser phases. Sodium cations are needed for charge balance beyond 6 Al/unit cell. The concentration of lattice defects in the solids richest in aluminum provides information about the templating effect of tetraethylammonium in this system.</p></div>","PeriodicalId":23983,"journal":{"name":"Zeolites","volume":"19 4","pages":"Pages 253-258"},"PeriodicalIF":0.0000,"publicationDate":"1997-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0144-2449(97)00083-3","citationCount":"45","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeolites","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0144244997000833","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 45
Abstract
Hydrothermal synthesis of zeolite beta with an aluminum content as high as 8 atoms per unit cell has been performed in sodium-tetraethylammonium systems. Low alkalinity is required to avoid the formation of denser phases. Sodium cations are needed for charge balance beyond 6 Al/unit cell. The concentration of lattice defects in the solids richest in aluminum provides information about the templating effect of tetraethylammonium in this system.
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