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    • Transesterification and purification of biodiesel from waste cooking oil 

      Ngu, Ai Ling (Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2013-06)
      In this study, the level of free fatty acids in used oil are low at 0.73 %, hence, single stage transesterification was sufficient. Two process variables that been investigated were the molar ratio of methanol-to oil and ...