METHANE FERMENTATION PRETREATMENT DEVICE

摘要

Provided is a methane fermentation pretreatment device that can remove, from a solubilized liquid, small matter unsuitable for fermentation that is made minute by a solubilization treatment and passes through a screen. The methane fermentation pretreatment device (A) comprises a solubilization tank (4) in which a solubilization treatment is performed on organic waste (S3); a screen (5) that is a first solid-liquid separation means for removing matter unsuitable for fermentation contained in a solubilized liquid (S4) obtained by performing a solubilization treatment in the solubilization tank (4) on the organic waste (S3), by causing the solubilized liquid (S4) to pass therethrough; and a second liquid-solid separation means (7) having a liquid cyclone (10) that receives a solubilized liquid (S6) that passed through the screen (5) and separates out the matter unsuitable for fermentation contained in the solubilized liquid (S6) by applying a centrifugal force on the solubilized liquid (S6), the means also having a drainage device (11, 13) that receives the matter unsuitable for fermentation separated by the liquid cyclone (10) and dries the same.