DEWATERING OF HIGH WATER CONTENT SOIL AND FILTERING OF TURBID WATER BY MULTI-DRAIN VACUUM ASPIRATING SYSTEM

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概要

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• The multi-drain vacuum aspirating system was proposed for dewatering of high water content soil and filtering of　turbid water. And the outline and feature were discussed. Field dewatering tests were carried out for dredge bed mud in Lake Suwa. Moreover, comparison with the high-pressure filter press dewatering of 4MPa was also performed. Furthermore, laboratory filtrating tests of turbid water were conducted. Main conclusions are follows. High water content soil can be dewatered to liquid limit by operation of less than 1 hour using small-scale and simple equipment. In the case of the same filtering area and amount of soil, the throughput of the proposed method is more than 3.3　times the filter press dewatering. In turbid water treatment, the soil particles adhering to the drain surface can serve as a duty of a filter, and can raise the transparency of discharge water.

• 国際ジオシンセティックス学会 日本支部の論文

国際ジオシンセティックス学会 日本支部 | 論文

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