Ethanol: A Piece of cake

conclusion

             Ethanol was successfully produced from the Jatropha cake through the processes of fermentation and the separation through distillation. These conclusions were proved through ethanol tests in comparison to the commercial available ethanol. This test showed that the non-hydrolyzed /original cake produced a more pure form of ethanol when tested, compared to the ethanol produced by the acid hydrolyzed cake.

             The comparison of the type of yeast used indicated that the rate of fermentation was faster with the instant yeast compared to the active dry yeast. The production of ethanol from the Jatropha cake before removing the oil was not very promising as products other than ethanol were also produced.         

             Ethanol has many uses; one main use is that it can be used as a fuel. The only problem with this is that many common ways of producing ethanol are costly. That is why it is useful to find new and effective ways of producing ethanol. Since it is concluded that ethanol can be produced from the Jatropha cake, which is essentially a waste product of producing Jatropha oil, the process of producing ethanol can be seen recycling and using the Jatropha caucus fully without wasting any. The ethanol that is proven to be produced can also then be used to extract more oil from the Jatropha caucus which will produce more cake to produce more ethanol.

           Proving that ethanol can be produced from the Jatropha caucus is very useful because ethanol is in such high demand. That is why it is very important to find new ways to produce this precious substance. This project shows that ethanol can be produced in different and effective ways such as producing it from the Jatropha caucus by fermentation and the separation through distillation.