DEHYDRATION METHOD OF SLUDGE AND LAND-FILL UTILIZING SLUDGE

PROBLEM TO BE SOLVED : To provide a means of effectively utilizing the ground on which sludge is deposited even while performing dehydration operation of the sludge.SOLUTION : Storage spaces of sludge are formed in such a manner that a plurality of small blocks are connected up-and-down and left-and-right, water passing material is filled into the blocks constituting an selected arrangement of the blocks or filter material is inserted or the surrounding of the storage spaces are covered with water-permeable sheets and, thereby, the water content included in the sludge is discharged outside the sludge storage spaces. During the dehydration operation of the sludge, earth is properly laid on the upper part of the sludge storage spaces and the upper part of the storage spaces of the sludge is utilized as a park or a parking lot.