Method and device for anaerobically fermenting organic material

Details Method and device for anaerobically fermenting organic material Method and device for anaerobically fermenting organic material

C - Chemistry, Metallurgy

12

M

C12M 1/107 (2006.01)

Patent

CA 2446676

This invention relates to a method for anaerobically fermenting biodegradable organic material, whereby this material is mixed with a quantity of already fermented material as an inoculum for the active anaerobic fermentation and this mixture is introduced at the top into a fermentation chamber (1A) in which a fermenting mass is situated, which, while being fermented, moves from an inlet (6A) situated at the top towards an outlet (8) situated at the bottom. Before the mixture is added to the fermenting mass, it is expanded beforehand until its density approximately coincides with the density of the already present fermenting mass at the beginning of this downward movement.

Cette invention concerne un procédé de fermentation en anaérobiose d'une matière organique biodégradable. La matière est mélangée à une quantité d'une matière déjà fermentée utilisée comme inoculum pour la fermentation anaérobie active. Le mélange est placé au sommet dans une chambre de fermentation (1A) dans laquelle une masse de fermentation est également placée qui, pendant sa fermentation, se déplace d'un orifice d'admission (6A) situé au sommet vers un orifice de sortie (8) situé au fond. Avant d'être ajouté à la masse de fermentation, le mélange est allongé jusqu'à ce que sa densité corresponde approximativement à la densité de la masse de fermentation déjà présente au début de ce mouvement descendant.

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