Development of renewable based fuels for aviation

In this experimental work natural calcium wastes have been used separately or in a blend of shellmix for producing biodiesel by heterogeneous catalysis. After several reactions occurred between 30 minutes until 8 hours of reaction time at 60 ºC with a mass content of 5% (Wcat/Woil) and a molar ratio of methanol: oil = 12 after the purification process biodiesel with fatty acid methyl ester (FAME) content measured was higher than 99% which indicates that was a biodiesel pure. Also this work proved that the inorganic solid wastes shell mixture used as heterogeneous catalyst can be reused 3 times and still gives a FAME content higher than 99%. As a result after 40 different transesterification reactions that were performed using liquid and solid wastes for producing biodiesel under specific conditions which are stated above is a successful innovative and promising way. In addition blends prepared with jet fuel A1 and biodiesel were recorded with no invalid results after certain tests. In this case except for the 10% blend the added biodiesel had no significant effect on the fluidity of the biojet fuel.