Action:
Soil and groundwater remediation.
Location:
Spain
Customer:
Confidential
Methods:
Excavation and chemical treatment of soils ex situ, pumping and water treatment. ex situ.
Products:
TPH, BTEX, organochlorines, sulfurates and arsenic.
Subsoil contamination by hydrocarbons, halogenated compounds, sulfur compounds and arsenic from the chemical industry in three areas of 1,400, 600 and 200 m2corresponding to 7,000, 3,000 and 6,000 m3 .3 respectively.
Compliance with remediation objectives for organochlorines in groundwater, remediation groundwater, soil remediation remediation and elimination of sulfur compounds odors.
Soils: soil excavation, simultaneous treatment with peroxide (neutralization of hydrogen sulfide and mercaptans) and persulfate.
Water: pumping, decanting, pH adjustment and water oxidation.
Arsenic adsorption with alumina bed.
Controlled reinfiltration of treated water.
Excavated and treated treated
20 000 m³
Replacement floors
19 500 m3
Water pumped and treated
23 000 m3
Recovery of the natural pH of the soil
Achievement of objectives
11 months
