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le bioethanol carburant - ValBiom

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Bioéthanol<br />

1 INTRODUCTION..................................................................................................................................................................3<br />

2 CARACTERISTIQUES TECHNIQUES ........................................................................................................................3<br />

2.1 ETHANOL/ESSENCE.........................................................................................................................................................4<br />

2.1.1 Stabilité des mélanges..............................................................................................................................................4<br />

2.1.2 Indice d'octane..........................................................................................................................................................5<br />

2.1.3 Contenu énergétique................................................................................................................................................5<br />

2.1.4 Pression de vapeur...................................................................................................................................................5<br />

2.2 ETBE/ESSENCE ...............................................................................................................................................................6<br />

2.3 ETHANOL/DIESEL............................................................................................................................................................7<br />

2.3.1 Stabilité des mélanges..............................................................................................................................................7<br />

2.3.2 Indice de cétane........................................................................................................................................................8<br />

2.3.3 Viscosité.....................................................................................................................................................................8<br />

2.3.4 Contenu en énergie...................................................................................................................................................9<br />

2.3.5 Point flash .................................................................................................................................................................9<br />

2.4 ETHANOL/BIODIESEL/DIESEL......................................................................................................................................10<br />

2.5 TABLEAU RECAPITULATIF...........................................................................................................................................11<br />

3 COMPATIBILITE VEHICULE/CARBURANT....................................................................................................... 12<br />

3.1 MOTEURS A ESSENCE ...................................................................................................................................................12<br />

3.1.1 Ethanol/essence..................................................................................................................................................... 12<br />

3.1.2 ETBE/essence......................................................................................................................................................... 13<br />

3.2 MOTEURS DIESEL..........................................................................................................................................................13<br />

3.2.1 E-diesel.................................................................................................................................................................... 13<br />

3.2.2 E95........................................................................................................................................................................... 13<br />

3.2.3 Ethanol/biodiesel/diesel....................................................................................................................................... 14<br />

4 EMISSIONS.......................................................................................................................................................................... 14<br />

4.1 MOTEURS A ESSENCE ...................................................................................................................................................14<br />

4.2 MOTEURS DIESEL..........................................................................................................................................................16<br />

4.2.1 Ethanol/diesel......................................................................................................................................................... 16<br />

4.2.2 Ethanol/biodiesel/diesel....................................................................................................................................... 17<br />

4.2.3 E95........................................................................................................................................................................... 17<br />

5 EXPERIENCES A L'ETRANGER ................................................................................................................................ 18<br />

5.1 E5 – E10 – E25 (BRESIL).............................................................................................................................................18<br />

5.2 E85 – VFF (SUEDE, FRANCE).....................................................................................................................................18<br />

5.3 E95 – BUS DE STOCKHOLM (SUEDE)..........................................................................................................................18<br />

5.4 EDIESEL – SCANIA (DANEMARK)...............................................................................................................................19<br />

6 CONCLUSION ETUDE TECHNIQUE ....................................................................................................................... 20<br />

Document "FARR-Wal" – Avec <strong>le</strong> soutien de la Région wallonne, DG Agriculture<br />

Réf. 2006_OS_02<br />

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