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1. WO2009071893 - PROCÉDÉ ET APPAREIL DE PURIFICATION

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

Claims

1. A method of removing at least a portion of at least one component from a liquid fuel wherein said method contains the steps of exposing the liquid fuel to a media, said media including one or more fragments of plant material.

2. A method according to claim 1 wherein the plant material is substantially wood based.

3. A method according to claim 2 wherein the wood is one, or any combination, of wood shavings, wood turnings and/or wood chips.

4. A method according to claim 3 wherein the wood is of the oak variety.

5. A method according to claim 2 wherein the wood is substantially an acidic and/or hygroscopic variety of wood.

6. A method according to claim 1 wherein the plant material is derived from a species which contains tannic acid.

7. A method according to claim 1 wherein the fuel is diesel fuel.

8. A method according to claim 7 wherein the fuel is bio-diesel fuel.

9. A method according to claim 1 wherein the media includes diatomaccous earth and/or a plurality of molecular sieves.

10. A method according to claim 8 wherein the one or more components of the bio-diesel are impurities from the production o f the same and the media substantially removes at least a portion o f said impurities by filtration.

1 1 . A method according to claim 10 wherein the bio-diesel is s ubs tantially purified in a batch process.

12. A method according to claim 10 wherein the bio-diesel is substantially purified continuously and/or semi-continuously.

1 3. Apparatus to remove at least a portion of at least one component from a liquid fuel wherein said apparatus includes a vessel having at least one aperture through which the fuel can be introduced and/or removed, and at least one filter media, wherein said filter media substantially includes one or more fragments of plant material, said media arrayed such as to filter the fuel.

14. An apparatus according to claim 13 wherein the filter media is contained between one or more plates with apertures therein.

1 5. An apparatus according to claim 14 wherein larger fragments o f plant material are contained at the bottom of the ves sel with smaller fragments above, said plates partitioning the different sizes and/or types of plant material.

1 6. An apparatus according to claim 14 wherein the liquid fuel is pumped through at least one aperture into the bottom of the vessel, and subsequently in a substantially upward direction through the filter media.

1 7. An apparatus according to claim 14 wherein the liquid fuel is p umped through at least one aperture into the bottom of the vessel, and subsequently in a substantially upward direction through the filter media and out through at least one aperture at substantially the top of the vessel.

18. An apparatus according to claim 13 wherein the liquid fuel is diesel.

19. An apparatus according to claim 18 wherein the liquid fuel is bio-diesel.