This research aims to study the ash from biomass as a catalyst in the production of biodiesel
by adding wood ashes longan was burned over a temperature above 800 degrees Celsius to ashes with purity more
then. therefore be used as a catalyst in the production of biodiesel
and waste vegetable oil, waste frying potato as raw material in the production of biodiesel
, which the trial will be divided into five trials is the oil volume of 200 ml equal. All the experiments
and the ratio Potassium hydroxide (g): Ash (g): methanol (mL) of the order of 1.21: 0: 45, 0: 10: 45, 2.2: 2: 40, 2.5: 1: 45 (Wash. ashy 1 g) and 2.5: 1.35: 45
Then the biodiesel production to measure properties that are similar to biodiesel based or not
the study found. Ashes can not be used directly as a catalyst in the production of biodiesel. It can be mixed with a catalyst ashes Potassium hydroxide to produce biodiesel. The ash that is detrimental to the reaction of trans esterification Phil application. Making biodiesel is similar to biodiesel standards. But can be used practically. Because the fatty acids remain in biodiesel production. The ash has a high pH, making biodiesel has the bass is high as well. Therefore, the researchers Longan wood ashes, is not efficient enough to be used as a catalyst in the production of biodiesel. It can be used to reduce the acidity in the biodiesel to the optimal.
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