The present invention relates to a system for anaerobic digestion of food wastes by a rotating pore separation plate and a stirring pump, wherein the food waste stored in the anaerobic digestion tank (10) is mixed with a certain period of time to homogenize the organic matter to maximize the digestion effect of the anaerobic microorganism So that the time can be shortened. That is, the present invention relates to a food waste anaerobic digestion treatment system comprising two vertically installed anaerobic digestion tanks (10), a stirring pump (30) circulatingly pumping for stirring food waste between the two anaerobic digestion tanks (10) A heat exchange unit 40 for controlling the temperature of the food waste supplied to the anaerobic digestion tank 10 to 35 to 39 ° C and a controller 50 for stirring and pumping the stirring pump 30 according to the user's setting. Accordingly, in the present invention, a part of the food waste of one anaerobic digestion tank is supplied to the other anaerobic digestion tank by a stirring pump. The food waste supplied is circulated and stirred by the return circulation to homogenize the organic matter to smoothly digest the organic matter by the anaerobic microorganism Effect.
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