Deep Control of Linear Oligomerization of Glycerol Using Lanthanum Catalyst on Mesoporous Silica Gel

The valorization of glycerol (1), a waste of biodiesel production of Fatty Acid Methyl Esters (FAMEs), adopting a “green” approach, represents an important goal of sustainable chemistry. While the polymerization of 1 to hyperbranched oligomers is a well-established process, the linear analogues are...

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Bibliographic Details
Published inCatalysts Vol. 10; no. 10; p. 1170
Main Authors Caputo, Daniela, Casiello, Michele, Milella, Antonella, Oberhauser, Werner, Maffezzoli, Alfonso, Nacci, Angelo, Fusco, Caterina, D’Accolti, Lucia
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.10.2020
Subjects
Analysis
Biodiesel fuels
Catalysis
Catalysts
Chemical processes
Chemical properties
Chemical reactions
Conversion
Esters
Fatty acids
Glycerin
Glycerol
green chemistry
heterogeneous catalysis
Identification and classification
Lanthanum
Lanthanum oxides
linear polyglycerol
Metal oxides
Methods
Nitrates
Oligomerization
Oligomers
Polyethylene glycol
Polymerization
Selectivity
Silica gel
Silicon dioxide
Spectrum analysis
Structure
Italy
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Summary:The valorization of glycerol (1), a waste of biodiesel production of Fatty Acid Methyl Esters (FAMEs), adopting a “green” approach, represents an important goal of sustainable chemistry. While the polymerization of 1 to hyperbranched oligomers is a well-established process, the linear analogues are difficult to obtain. In this context, we explore the reaction without the solvent of heterogeneous hybrid La(III)O-KIT-6 catalyst (2), which is based on lanthanum oxide on mesoporous silica gel, showing a superior linear selectivity compared to most of the analogous catalysts recently reported.
ISSN:2073-4344
2073-4344
DOI:10.3390/catal10101170