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The influence of various synthesis methods on the catalytic activity of cerium oxide in one-pot synthesis of diethyl carbonate starting from CO2, ethanol and butylene oxide

Paper ID Volume ID Publish Year Pages File Format Full-Text
54951 47033 2013 8 PDF Available
Title
The influence of various synthesis methods on the catalytic activity of cerium oxide in one-pot synthesis of diethyl carbonate starting from CO2, ethanol and butylene oxide
Abstract

•Synthesis of ceria by homogeneous precipitation at room temperature and in supercritical water.•Deposition of ceria on SBA-15.•Characterized by XRD, SEM, TEM, XPS, nitrogen physisorption and CO2 TPD.•Physico-chemical and catalytic properties dependence on preparation.•Activity tests in synthesis of diethyl carbonate from carbon dioxide and ethanol with butylene oxide as the dehydrating agent.

Different synthesis methods such as homogeneous precipitation at room temperature and supercritical water (T > 647 K and P > 22.1 MPa) were employed for cerium oxide preparation. Additionally, deposition of ceria on silica mesoporous material, SBA-15, was carried out. The obtained materials were characterized by means of X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, nitrogen physisorption, X-ray photoelectron spectroscopy and CO2 temperature programmed desorption. Considerable variations in physico-chemical properties of the resulting materials were observed. The catalytic activities of pristine cerium oxide and ceria loaded on SBA-15 support were compared. The test reaction was synthesis of diethyl carbonate starting from carbon dioxide and ethanol using butylene oxide as the dehydrating agent.

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Keywords
Cerium oxide; Ethanol; Diethyl carbonate; Carbon dioxide; Butylene oxide
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The influence of various synthesis methods on the catalytic activity of cerium oxide in one-pot synthesis of diethyl carbonate starting from CO2, ethanol and butylene oxide
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 210, 1 July 2013, Pages 47–54
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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