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Making Bio Diesel

This guide outlines the step-by-step process of making bio diesel using triglycerides, focusing on essential techniques such as filtering oils, preparing the methoxide solution, and conducting the transesterification reaction. Key methodologies include using gravity, diesel, water, and centrifuge filters, combining methanol with triglycerides, and monitoring the pH during the reaction. Crucial storage tips, including testing methanol levels and winter additives like kerosene, ensure safety and efficiency. Proper filtration before use is also emphasized.

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Making Bio Diesel

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  1. Making Bio Diesel Jory Lusk CIS 1020-058 25 November 2012

  2. Filtering the Oil • Gravity Filter • Diesel fuel filter • Water Filter • Centrifuge filter

  3. The Reaction • Make the methanol a nucleophile • NaOH + CH3OH Na(aq) + H2O + CH3O- • Making the Bio Diesel • CH3O- + Triglyceride Glycerin + Methyl ester

  4. The Reaction Cont. • Watch the PH of the Methoxide solution • Let the Methoxide solution cool to 30o- 40o • Mix the Methoxide solution with the Triglyceride • Let Bio Diesel solution sit for 24 hours • Drain off Glycerin • Wash Bio Diesel solution twice

  5. Table of Proportions

  6. Storage and Use • Storage • Test methanol levels in Bio Diesel • Will keep forever • Do not fill container more than ¾ full • Use • Add kerosene in winter • Filter again before use

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