Waste stabilisation and solidification

Stabilisation and solidification units

A stabilisation/solidification unit is an industrial treatment centre whose aim is to obtain at its output a stabilized product admissible to a Hazardous Wastes Storage Landfill Facility.
It comprises mainly the following components:

  • Storage silos and tanks: Wastes and reagents.
  • Conveyor system (Archimedean screw, belt conveyor),
  • Component weighing and dosing chain,
  • Mixing module,
  • Installation automatic controller and supervisory system.

The industrial implementation of the stabilization/solidification processes calls for special engineering including notably the following steps:
  • Studies needed to prepare the regulatory files,
  • Chemical engineering studies to determine the treatment formulation,
  • Outline Design, Detailed Design studies,
  • Industrial unit construction,
  • Unit mechanical acceptance and commissioning,
  • Technical and chemical assistance to operation throughout life.

Our proposal can be set out in the form of turnkey contracts, prime contracting or customer technical assistance.

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Waste stabilisation and solidification

Stabilisation and solidification processes


Storage of hazardous wastes

Stabilisation and solidification units

Waste treatment

Sediments, sludges, muds

Petroleum residues

Steelworks muds

Recycling example for the agricultural business

Industrial site depollution references

Rehabilitation of a disused industrial zone- METALEUROP example

Hydrocarbon lagoon treatment - BREST and LE HAVRE examples

Discharge rehabilitation - FFM and PEM examples