| 摘要 |
PURPOSE:To bury sludge in the bottom ground under water by spreading the soil of the bottom ground over the sludge after being sucked up. CONSTITUTION:A pipe 1 having a soil sucking mechanism 2 is penetrated into bottom ground A under water to suck up soil A''. Sludge B is dropped into the sink formed and the soil A'' so sucked up is spread over the sludge B to bury the sludge B. Since the removal of sludge and the carrying of a solidifying agent, as in the conventional case, can be omitted, the treatment of great amounts of sludge can be made possible at low cost. The pollution of water during the treating operation can also be prevented because water and sludge are not carelessly stirred.
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