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Title

Solid catalysts for the synthesis of fatty esters of glycerol, polyglycerols and sorbitol from renewable resources

AuthorsMárquez Álvarez, Carlos ; Sastre, Enrique ; Pérez Pariente, Joaquín
KeywordsFatty acid esters
Polyols
Monoglycerides
Sorbitol
Polyglycerol
Non-ionic surfactants
Emulsifiers
Heterogeneous catalysts
Zeolites
Mesoporous catalysts
Esterification
Transesterification
Glycerolysis
Issue Date2004
PublisherSpringer
CitationTopics in Catalysis, vol. 27 (2004) 105-117
AbstractPartial esters of polyols such as glycerol, polyglycerols and sorbitol are nonionic surfactants used as emulsifiers in the food, detergents and cosmetics industries. The commercial large-scale production of these chemicals relies on traditional homogeneous catalysis processes making use of strong mineral acids or alkalis. This technology possesses severe drawbacks, related to the generation of large amounts of by-products, high energy demand, and heterogeneity of the ester mixtures obtained. The development of new processes based on more selective solid catalyst has therefore a great economical interest. This contribution reviews the scientific and technical literature in this field. It is proposed that solid catalysts based on MCM-41 and other mesostructures could give rise to the development of new, more efficient processes for the large-scale synthesis of fatty acid esters of polyols.
Publisher version (URL)http://www.springerlink.com/content/p106389747319371/
URI10261/12054
DOI10.1023/B:TOCA.0000013545.81809.bd
ISSN1022-5528
Appears in Collections:(ICP) Artículos
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