SEVESO industrial facility in Malgrat de Mar

Framework

-Active industrial facilty on the Catalan coast. Site polluted by an old chemical industry of acid sulfuric production from the second pyrite ashes toasting.

-Goal: To limit the leaching of heavy metals avoiding their mobilization towards the water table.

Parameters to be treated

-Pollution of hazardous waste and the associated remainder soil, mainly by As and Pb.

-Affected area > 22.000 m2

-Treated volume >15.000 m3

Treatment

-On site treatment by excavation with screening, extension, stabilization, filling and compaction.

-Ending with double waterproof surface treatment and slopes for the proper management of runoff water.

Results obtained

-8 months of stabilization operation.

-100% of conform remaining soils..

-100% of conform stabilized soils (52% with Class I-Inert landfill concentrations, 48% with Class II non-hazardous landfill concentrations).

 

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