SLUDGE TREATMENT SYSTEM

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PROBLEM TO BE SOLVED : To enable a continuous sludge treatment without using a large agitator.SOLUTION : The sludge treatment system is provided with a first agitator 1 which adds a water absorption material to supplied sludge having a high water content, agitates, and conveys the same while mixing, and sequentially discharges the mixed sludge the apparent water content of which is reduced by agitation from a first discharging port 1f, and a second agitator 2 which receives the mixed sludge discharged from the first discharging port 1f, adds an additive for granulation to the mixed sludge, agitates and conveys the mixed sludge while mixing, and sequentially discharges earth and sand granulated by agitation from a second discharging port 2f. The first agitator 1 is set to place importance on agitation capability so that the agitation of the sludge and waste paper can be fully performed, while the second agitator 2 is set to nearly equalize the sludge discharging amount per unit time from the first discharging port 1f with the sludge discharging amount per unit time from the second discharging port 2f.