Thermo-oxidative stability and cold flow properties of babassu biodiesel by PDSC and TMDSC techniques |
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Authors: | N?A?Santos J?R?J?Santos F?S?M?Sinfr?nio T?C?Bicudo I?M?G?Santos N?R?Antoniosi Filho Jr" target="_blank">V?J?FernandesJr Email author" target="_blank">A?G?SouzaEmail author |
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Institution: | 1.Departamento de Química,CCEN, Universidade Federal da Paraíba,Joào Pessoa,Brasil;2.Departamento de Química,Universidade Federal de Goiás,Goiás,Brasil;3.Departamento de Química,Universidade Federal do Rio Grande do Norte,Rio Grande do Norte,Brasil |
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Abstract: | The babassu (Orbignya Phalerata Mart.) biodiesel has lauric esters as main constituents, resulting in high oxidative stability and low cloud and freezing
points. In order to reduce these side effects, the saturated ethyl esters content was reduced by means of winterization process.
The TMDSC and PDSC techniques were used to verify the thermal and oxidative stabilities of the ethyl babassu biodiesel. During
the heating stage, the winterized solid phase of ethyl esters presented an endothermic transition associated to the solidification
process. This behavior was not observed for the liquid winterized FAEE, confirming the efficiency of the winterization process. |
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