Measure
Contaminated sediments of the river and harbor basins are dredged and brought to the METHA plant where they are treated mechanically. The sediments of different origins are separated according to their grain size. The contaminated, mostly fine sediment is deposited on land. The coarse mostly clean fraction is used as construction material. The treatment is carried out since 1993. The total investment was 70 million €, including all mechanical, electro-technical, chemical facilities, costs for civil engineering, etc. annual operational costs are 13 mill. €.
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