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Synthesis and comparison of the activities of a catalyst supported on two silicate materials
(2017-04-15)
The focus of this work is inspecting the synthesis and comparison of the activities of a catalyst supported on two silicate materials in the epoxidation of 1-octene. The two new catalyst materials were characterized by ...
The Role of Heterogeneous Catalysts in Converting Cellulose to Platform Chemicals
(2020-01-01)
In times of rethinking production processes and consumption habits to minimize the effects of global warming, it is crucial to find alternatives that lead to replacing fossil fuels by renewable materials. The development ...
Epoxidation reaction in promising Brazilian biomass: decreased time and catalyst loading to produce renewable monomers
(2021-09-01)
The syntheses of new materials using vegetable oils have increased due to technological interest and low environmental impact. Baru nut provides baru oil, rich in linoleic and oleic fatty acids that can be modified into ...
Strontium zirconate heterogeneous catalyst for biodiesel production: Synthesis, characterization and catalytic activity evaluation
(Elsevier B.V., 2012-11-28)
Strontium zirconate oxide was synthesized by co-precipitation and the citrate route and was evaluated as a heterogeneous catalyst for biodiesel production. The catalyst samples were characterized by XRD, FTIR, and TG, and ...
Strontium zirconate heterogeneous catalyst for biodiesel production: Synthesis, characterization and catalytic activity evaluation
(Elsevier B.V., 2012-11-28)
Strontium zirconate oxide was synthesized by co-precipitation and the citrate route and was evaluated as a heterogeneous catalyst for biodiesel production. The catalyst samples were characterized by XRD, FTIR, and TG, and ...
Analysis of catalytic potential of a new heterogeneous catalyst in the preparation of biodiesel
(2018-01-01)
In this work was investigated the catalytic potential of a new heterogeneous catalyst of stoichiometry Ca0.5K0.5TiCu0.25O3, with double perovskite structure, in the preparation of biodiesel via ethylic route. The catalyst ...
Zinc glycerolate as a novel heterogeneous catalyst for the synthesis of fatty acid methyl esters
(Elsevier Science, 2014-01)
In this work, zinc glycerolate (ZnGly) is studied as a new catalyst for an environmentally friendly production of biodiesel. The solid was prepared by a simple procedure, characterized and studied in the transesterification ...
The Wilkinson Complex as a heterogeneous catalyst in the partial hydrogenation of 1-heptyne. regeneration of the complex
(Sociedade Brasileira de Química, 2016-06)
The Wilkinson complex was tested as a catalyst in the partial hydrogenation of 1-heptyne, a medium chain alkyne, at a temperature of T = 303 K and hydrogen pressure PH2 = 150 kPa. The tests were performed in homogeneous ...
Synthesis of Glycerides of Fatty Acids by Inorganic Solid Catalysts: A Review
(John Wiley & Sons Inc, 2021-11-26)
Homogeneous catalysts in the synthesis of mono- and di-glycerides have received wide acceptability due to their fast reaction rates. However, environmental issues and purification costs have led to the search for alternatives. ...
Cr/Al oxide as solid acid catalyst to afford Babassu biodisel
(2016-03-01)
In this work, it was described the preparation and the characterization of a solid acid catalyst obtained by the mixture of Cr/Al oxides (CRAL). The catalyst was tested in the transesterification reaction of babassu oil ...