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Treatment of non-hazardous waste

Non hazardous waste does not present any of the 14 hazardous properties listed in the Order of April 18, 2002. Commonly known as household and similar waste, it includes waste from households and local authorities, as well as all Ordinary Industrial Waste (OIW) or waste from businesses.

Thermal treatment by incineration

 
Stockage

Thermal treatment facilities (see also) operated by Séché Environnement provide a treatment solution for household waste and ordinary industrial waste that cannot be recycled.

Incoming waste is burnt at very high temperatures in furnaces that can accommodate combustion of this type of waste.

Facilities are equipped with fume treatment and purification systems going well beyond regulatory requirements , before being released into the atmosphere, in line with the Group's objectives to anticipate future regulations. Emissions are measured and analyzed continuously and controlled by certified laboratories. They are also monitored by DREAL (Regional Directorate of the Environment, Land-Use Planning, and Housing).

The thermal energy released by fume treatment and purification facilities is recovered in the form of electricity or steam.

All the sites are managed based on a total approach to progress validated by certifications (for environmental quality or safety), in anticipation of future regulations.

Storage

 
Stockage

Séché Environnement operates several storage facilities to handle non hazardous household and similar waste that cannot be recycled.

The cells help confine waste in specially planned spaces to collect all the effluents derived from their natural degradation: leachates and biogas. They are designed according to diagrams specific to the Group's requirements for environmental excellence and include equipment that exceeds those required under regulations in force, especially in terms of impermeability.

The biogas arising from the decomposition of waste is systematically captured and redirected to equipments that recover energy for electricity production.

In the continual search for optimization of energy recovery, some sites have developed original forms of cogeneration. The Changé site (Western France) provides steam to a neighboring agricultural plant, as part of an industrial ecology strategy. The Vigeant site (86) implemented a pilot plant for the industrial cultivation of micro-algae to produce eco-fuel.

All the sites are managed based on a total approach to progress validated by certifications (for environmental quality or safety), in anticipation of future regulations.

Steps to integrate and monitor the environment were implemented, in compliance with the Group's requirements to place the protection of biodiversity as a priority. Five ecologists across different sites monitor species, develop differentiated management and implement steps for the rehabilitation and integration of the landscape in the post-operation phase.