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Influence of framework composition over SAPO-34 and MeAPSO-34 acidity

Paper ID Volume ID Publish Year Pages File Format Full-Text
41222 45881 2011 4 PDF Available
Title
Influence of framework composition over SAPO-34 and MeAPSO-34 acidity
Abstract

SAPO-34 and MeAPSO-34 samples were prepared based on a standard literature procedure [1]. In fact, several kinds of transition metal were incorporated in the SAPO-34 structure, during the synthesis step, beginning with the same gel. As a result, samples of SAPO-34 and MeAPSO-34, presenting good crystallinity and also having similar surface area and microporosity, were obtained. It was observed that acid sites concentration depended strongly on their metal content. Metal incorporation in the SAPO-34 structure generally increased acid sites concentration but did not affect the acid strength distribution.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (101 K)Download as PowerPoint slideHighlights► SAPO-34 and MeAPSO-34 samples were prepared based on a standard literature procedure. ► Several kinds of transition metal were incorporated into SAPO-34 structure. ► SAPO-34 and MeAPSO-34 presenting similar structures at were obtained. ► Acid sites concentration depended strongly on their metal content and nature.

Keywords
Silicoaluminophosphates; Low pore size molecular sieves
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Influence of framework composition over SAPO-34 and MeAPSO-34 acidity
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 406, Issues 1–2, 18 October 2011, Pages 59–62
Authors
, , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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