Method and apparatus for producing liquid biofuel from solid...

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 2/00 (2006.01) C10J 3/00 (2006.01) C10K 1/04 (2006.01) F02C 6/00 (2006.01)

Patent

CA 2741987

The invention relates to producing liquid hydro carbonaceous product (1) from solid biomass (2). In the invention solid biomass (2) is gasified in a gasifier (6) to produce raw synthesis gas (3). The raw synthesis gas (3) is conditioned to purify the raw synthesis gas (3) to obtain purified synthesis gas (4), the conditioning comprising lowering the temperature of the raw synthesis gas (3) in a cooler (19) producing saturated steam (51). Then the purified gas (4) is subjected to a Fischer-Tropsch synthesis in a Fischer- Tropsch reactor (5) to produce liquid hydro carbonaceous product (1). In the invention the saturated steam (51) produced by the cooler (19) is further superheated in a superheating boiler (50) for producing superheated steam (52).

L'invention porte sur la fabrication d'un produit hydrocarboné liquide (1) à partir de biomasse solide (2). Dans l'invention, de la biomasse solide (2) est gazéifiée dans un gazéificateur (6) pour produire du gaz de synthèse brut (3). Le gaz de synthèse brut (3) est traité pour purifier le gaz de synthèse brut (3) pour obtenir du gaz de synthèse purifié (4), le traitement comprenant l'abaissement de la température du gaz de synthèse brut (3) dans un refroidisseur (19) produisant de la vapeur d'eau saturée (51). Ensuite, le gaz purifié (4) est soumis à une synthèse de Fischer-Tropsch dans un réacteur de Fischer-Tropsch (5) pour produire du produit hydrocarboné liquide (1). Dans l'invention, la vapeur d'eau saturée (51) produite par le refroidisseur (19) est encore surchauffée dans un surchauffeur (50), pour la production de vapeur d'eau surchauffée (52).

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