1. e-CLIL lesson 5 ABA 2015-2016 I.S.I.S. “Giulio Natta” - (BG) Bergamo BIODIESEL

2. Definition of BIOFUEL A biofuel is a fuel produced from: Plant biomass Vegetable oils Organic waste Other renewable resources

3. Types of BIOFUELS BIOGAS BIOETHANOL BIODIESEL

4. Biodiesel is made up of F.A.M.E. molecules F.A.M.E. = Fatty Acid Methyl Ester Palmitic acid methyl ester

5. BIODIESEL FEATURES BIODIESELDIESEL FLASH POINT 150°C64°C TOXICITYNot toxictoxic DENSITY 20°C 0,88 Kg/L0,83 Kg/L VISCOSITY 20°C 7,5 mm²/s5 mm²/s CETAN NUMBER5650 FUEL EQUIVALENCE0,911 DEGRADABILITYbiodegradableNot degradable LOWER HEATING VALUE37,1 MJ/kg43,1 MJ/kg

6. CHEMICAL REACTION TRANSESTERIFICATION Triglycerid + 3 methanol glycerol + 3 F.A.M.E. NaOH

7. BIODIESEL First generation biodiesel Obtained from vegetable oil (palm oil, rape seed oil... ) Second generation biodiesel Obtained from exhausted frying oil Third generation biodiesel Obtained from oil produced by microalgae

8. Biodiesel in Europe (2013) 5 % of diesel must be made of biodiesel 10.400.000 tonnes of biodiesel are produced every year 3 million hectars of land are grown with seeds to produce biodiesel there are about 120 plants to produce biodiesel (mainly in Italy, Germany, Austria, France and Sweden) Source: www.ebb-eu.org

9. Biodiesel in Bergamo In many villages and towns of our county exhausted oil is collected by a consortium In the western area of the province the inhabitants are given : A jar to collect exhausted oil A sheet that shows how to deal with A dépliant that explains why to recycle oil