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Effect of the acid–base properties of Zr,Al-pillared clays on the catalytic performances in the reaction of propylene oxide with methanol

Paper ID Volume ID Publish Year Pages File Format Full-Text
46828 46450 2011 10 PDF Available
Title
Effect of the acid–base properties of Zr,Al-pillared clays on the catalytic performances in the reaction of propylene oxide with methanol
Abstract

A series of Zr,Al-pillared interlayered clays (Zr,Al-PILCs) have been prepared and characterized by X-ray diffraction, elemental analysis, FT-IR and N2-adsorption/desorption analyses, 27Al NMR(MAS), FT-IR spectroscopy using pyridine, PhCN and CDCl3 as probe molecules. It was found that textural and physicochemical properties of Zr,Al-PILCs depend on Zr content in clay. The relationship between the acid–base properties and catalytic performances of Zr,Al-PILCs was revealed in the synthesis of propylene glycol methyl ether from methanol and propylene oxide. The results show that the conversion of propylene oxide and the selectivity to 1-methoxy-2-propanol decrease with increasing the amount of zirconium in Zr,Al-PILCs due to the change in acid–base properties.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Textural and physicochemical properties of Zr,Al-pillared clays depend on the Zr content. ► Zr content affects the activity of Zr,Al-PILCs in the synthesis of propylene glycol methyl ether. ► The Zr content decreases the reaction rate and the selectivity for 1-methoxy-2-propanol.

Keywords
Zr,Al-pillared clays; Propylene glycol methyl ether; Methanol; Propylene oxide
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Effect of the acid–base properties of Zr,Al-pillared clays on the catalytic performances in the reaction of propylene oxide with methanol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 104, Issues 1–2, 27 April 2011, Pages 54–63
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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