Comminution and densification of biomass particles

Details Comminution and densification of biomass particles Comminution and densification of biomass particles

D - Textiles, Paper

21

B

D21B 1/02 (2006.01) D21B 1/04 (2006.01)

Patent

CA 2737784

A method is disclosed for reducing the mechanical strength of solid biomass material, in particular ligno-cellulosic biomass. The method comprises heating the solid biomass material lo a temperature in the range of 105 °C to 200 °C. The heat treatment, which is referred to as "toasting", significantly reduces the mechanical energy required for reducing the particle size of the solid biomass material. The method is particularly suitable as a pretreatmemt step to a conversion reaction of the solid biomass material

Linvention concerne un procédé de réduction de la résistance mécanique dune biomasse solide, en particulier dune biomasse ligneuse. Le procédé comporte le chauffage de la biomasse solide à une température dans la plage allant de 105 à 200 °C. Le traitement thermique, qui est appelé « grillage », réduit significativement lénergie mécanique nécessaire à la réduction de la taille de particule de la biomasse solide. Le procédé convient particulièrement bien comme étape de prétraitement à une réaction de conversion de la biomasse solide.

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