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Used vegetable oil methyl ester (UVOME) was derived through transesterification process, by using used vegetable oil (UVO) and methanol in the presence of either sodium hydroxide (NaOH) or Potassium hydroxide (KOH) catalyst. The UVO, methanol and NaOH catalyst were mixed with various proportions, in mixing tank and heated up to 55-60oC, at constant speed stirring for 4 hours and cool it for 12 hours, to retrieve the UVOME. To get the better yield of biodiesel, the various proportions of UVO, methanol and NaOH were taken for producing the biodiesel. Then, this yield is compared with the same proportions of UVO and methanol, in presence of the catalyst KOH. The yield of produced biodiesels of BN (Bio-diesel in presence of NaOH), BK (Bio-diesel in presence of KOH) were analyzed. The maximum yield (87%) of UVOME (BK) was derived through transesterification, in the presence of KOH catalyst was higher than the yield of UVOME (BN), which was derived by using NaOH catalyst. If the methanol and catalyst concentration were increased in transesterification process, the yield of BK and BN were also increased.

international journal of mechanical and production engineering research and development

Yield Characteristic of Biodiesel Derived from Used Vegetable Oil Methyl Ester (UVOME) Blended with Diesel in the Presence of Sodium Hydroxide (NaOH) and Potassium Hydroxide(KOH) Catalyst as Alternative Fuel for Diesel Engines