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A Density Functional study predicting a heterogeneous-catalyzed reaction to obtain biodiesel was performed. Triacetin simulated triglycerides in the presence of an Au(111) surface as the heterogeneous catalyst. Methoxy was implemented as alcohol solvent to understand the reaction trajectory along a three-step transesterification process. Reactants and products in the three-step process are adsorbed...
A plane collector was used for dehydration of chamomile (Matricaria Chamomilla L.). The thermal system was built and tested in Chiapas. The proposed system increased the solar thermal energy efficiency, due to it could change his position depending on the season of the year. During the experiment test, 2kg of fresh chamomile was considered. The experimental results show that physiochemistry properties...
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