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Waste stabilisation and solidification


The management of hazardous wastes in defined in France by the order of 30/12/2002, modifying the orders of 18/12/1992 and 18/04/1994, which makes the stabilization of special industrial wastes obligatory before their storage in a Final Waste Landfill Facility: The acceptability of wastes is set by the solubility of the pollutants that they contain. European decisions in 1999 and 2002 concerning waste landfill facilities have confirmed the validity of the approach chosen in France since 1992, by defining strict criteria based on pollutant solubility for accepting wastes for storage.

Since 1992, INERTEC has developed stabilisation/solidification treatments for the following hazardous industrial wastes:

  • Category A wastes (Incineration wastes, metallurgical dusts, mineral wastes from chemical processes...) since 31 March 1995,
  • Category B wastes (Metal hydroxide sludges, refractories...) since 31 March 1998.
Main regulatory documents controlling our activity:

1975 -> 1st Framework law on waste management. The law of 15 July 1975 institutes the “ polluter pays ” principle. Businesses and local authorities are responsible for the correct disposal of their residues.

1992 ->The law of 13 July 1992 includes new provisions concerning discharges and sets the main directions for waste disposal for 10 years. This text – also called the “ Loi Lalonde ” – notably provides, from 1st July 2002, for the closure of all discharges in their current form, with the wastes required to be either incinerated or recycled. Landfill facilities existing beyond that date will only be able to accept “ultimate” wastes, meaning wastes that cannot be further reused or recycled “in current technical conditions”. The law also provides for the setting up by the operator of sufficient financial guarantees for the opening of each new landfill facitity.

    -> The order of 18 December 1992 defines the requirements applicable to a final waste storage and treatment facility (Class 1).

1997 -> The decree of 15 May 1997 defines the list of hazardous wastes.
    -> The ruling of 11 November 1997, defines the waste nomenclature. It is obligatory to use this coding in administrative documents.

2002 ->The ministerial order of 30 December 2002 concerning storage of hazardous wastes is a transcription of the European Directive of 19 December 2002, which updates the Ministerial Orders of 1992 and 1994. It specifies the acceptance criteria (Final, mineral, limits,…), the conditions for construction of a landfill facility and the operating method (storage, stabilisation, effluent management, long term monitoring…)

European Community

At European level, the framework law on wastes is currently being revised.

Main regulatory documents controlling our activity:

1999 -> Council Directive of 26 April 1999 defining discharge categories, arrangements for each storage type.

2002 -> Council Decision of 19 December 2002 defining acceptance criteria for storage (all wastes).

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Waste stabilisation and solidification

Stabilisation and solidification processes


Storage of hazardous wastes

Stabilisation and solidification units

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Sediments, sludges, muds

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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