摘要 |
According to an embodiment of the invention, a biomass pre-treatment system is disclosed. The system includes a chamber defined by a chamber wall, a substantially cylindrical compartment at a bottom section of the chamber, wherein the substantially cylindrical compartment includes a stirring unit. The stirring unit includes a rotatable shaft having stirring elements extending therefrom, the stirring elements being adapted to mix a biomass material received in the chamber and to propel the received biomass material along a length of the chamber in a pre-determined direction. |