Making Biodiesel
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What is a biodiesel?
A biodiesel is a fuel made from renewable resources
Process involved in the formation of biodiesel?
Vegetable oils react with methanol, in the presence of a strong alkali catalyst (KOH/NaOH)
Products formed when vegetable oils react with methanol, using KOH catalyst?
A mixture of methyl esters (biodiesel) and glycerol
Limitation of claiming biodiesel is carbon neutral?
It does not account for the energy used in transporting, growing crops, or heating oils, which can produce additional CO2
Advantages of making biodiesels? (Recycling)
• Biodiesels recycle old cooking oil
Advantages of making biodiesels? (carbon neutral)
Considered carbon neutral as the CO2 released is absorbed by plants during photosynthesis as they grow
Outline the reaction of oils reacting with methanol to form biodiesels Name each reactant and product, including the catakyst
Outline reaction and compare your answer