Affiliation:
1. Faculty of Technology and Metallurgy, Belgrade
2. Institute of Technical Sciences of the Serbian Academy of Sciences and Arts, Belgrade
Abstract
Vegetable oils are mainly esters of fatty acids and glycerol, which can be
converted to fatty acid methyl esters (FAME), also known as biodiesel, by the
transesterification reaction with methanol. In order to attain environmental
benignity, a large attention has been focused in the last decades on
utilizing heterogeneous catalysts for biodiesel production instead the
homogenously catalyzed transesterification of vegetable oil. The pure CaO or
CaO mixed with some other metal oxide due to its low solubility in methanol,
FAME and glycerol, low cost and availability is one of the most promising
among the proposed heterogeneous catalysts. Solid catalysts which contain CaO
usually fulfill a number of important requirements, such as high activity at
mild temperature, marginal leaching of Ca cations, long life activity,
reusability in transesterification of vegetable oil and easy recovery from
the final products of transesterification (FAME and glycerol). This review is
focused to the recent application of pure CaO or CaO in complex catalyst
structure and their use as heterogeneous base catalysts for biodiesel
synthesis and suitability for industrial application.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
Subject
General Chemical Engineering
Cited by
76 articles.
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