CPC C10L 5/442 (2013.01) [B01J 3/04 (2013.01); C10L 5/363 (2013.01); C10L 5/445 (2013.01); C10L 9/08 (2013.01); B01J 8/0065 (2013.01); B01J 2208/0084 (2013.01); B01J 2219/00162 (2013.01); C10L 2290/02 (2013.01); C10L 2290/06 (2013.01); C10L 2290/08 (2013.01); C10L 2290/30 (2013.01); C10L 2290/46 (2013.01); C10L 2290/48 (2013.01); C10L 2290/50 (2013.01); C10L 2290/52 (2013.01); C10L 2290/545 (2013.01); Y02E 50/10 (2013.01); Y02E 50/30 (2013.01)] | 12 Claims |
1. An apparatus for pretreating a biomass, the apparatus comprising:
a reaction vessel for pressurizing and rapidly depressurizing a biomass within the reaction vessel,
wherein the reaction vessel comprises an inner perforated screen forming a cage for holding the biomass and separating the biomass from a wall of the reaction vessel, and
wherein the inner perforated screen forming a cage further comprises one or more perforated screen fingers positioned within the biomass during pressurization of the biomass to increase exposure of the biomass to steam.
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