1. On Site and In Situ Remediations
REMEDIATION METHODS
- soil excavation, tank removal
- pump-and-treat
- dual phase extraction
- soil vapour extraction
- airsparging and bioventing
- technics for LNAPL recovery
- physico-chemical washing and rinsing
- re-infiltration
- passive and reactive walls |
WATER TREATMENT UNITS
- hydrocarbon separators
- multi-stage plate aerators and stripping towers
- active-carbon filtration
- biorotors
- sand-active carbon filtration
- de-ironisation units
- ion-exchange units
- physico-chemicals units (coagulation and floccutation) |
2. Soil Remediation Centre
- biological remediation
- physico-chemical soil washing
- immobilization
- thermal treatment
3. Sludge Treatment and Recycling
- sludge drying
- on site dewatering
- solidification and immobilization
- reconstitution by afforestation
- environmental dredging
- lagoon dewatering technique
- anaerobic digestion
4. Sanitary Landfills - Waterproof Construction
SANITARY LANDFILLS
- construction/extension of landfills: geo synthetic, natural claylayer, HDPE-liner
- remediation/rehabilitation of old landfills
- leachate drainage and treatment
- landfill gas extraction and treatment
- integrated proposals for waste management |
IMPERMEABLE CONSTRUCTIONS
- isolation of buildings/sheds towards subsoil
- water, sludge basins
- placement of synthetic liners (PVC, HDPE, PP) and protection geotextiles
- execution of earth works |
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