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Transesterificação de óleo de soja com carbonato de dimetila catalisada por metóxido de potássio
(Universidade Federal de Santa Maria, 2017-08-04)
World biodiesel production is growing up every year mainly due to government policies that
require its consumption. However, biodiesel self-cost still makes it uncompetitive compared
to petrodiesel, and one of the reasons ...
Avaliação da interesterificação catalítica de óleo de macaúba com acetato de metila
(Universidade Federal de Santa Maria, 2017-01-27)
The world concern about the increasing of energy demand, depletion of fossil fuel reserves and global warming aroused interest in biodiesel production. Commonly produced through basic homogeneous transesterification, the ...
Estudo cinético da produção de ésteres metílicos com dimetil carbonato catalisada por fosfato de nióbio
(Universidade Federal de Santa Maria, 2017-07-31)
The aim of this study was to evaluate commercial niobium phosphate as heterogeneous catalyst in biodiesel production from oleic acid and low-cost raw materials using dimethyl carbonate as acyl receptor. Catalyst was ...
Avaliação do fosfato de nióbio como catalisador heterogêneo na esterificação de ácido oleico com acetato de metila
(Universidade Federal de Santa Maria, 2017-09-29)
The concern about global warming and the search for energy security are main responsible for promote the development of renewable fuels. Among biofuels, biodiesel is a potential successor to fossil fuels because it is an ...
Produção de biodiesel utilizando a lipase Thermomyces lanuginosus como catalisador
(Universidade Federal de Santa Maria, 2017-03-03)
With the inevitable decline in fossil fuel reserves, recent research has consolidated
biodiesel as a promising source of energy, especially in the replacement of petroleum
diesel. Several technologies have proven appropriate ...