Composting your sewage sludge and organic waste

Compostage de vos boues d'épuration et déchets organiques

Take advantage of a flexible and long-lasting organic waste (sludge and green waste) recovery solution thanks to the composting channel.

As a community, SEDE can assist you in your efforts and monitor the composting of your organic waste, which can be recovered for agriculture.

SEDE then deploys professional services such as reporting, a customer extranet, the supply of specific skips, etc. For more than 20 years, SEDE has been an expert in composting sludge and organic waste: a controlled process, accredited analytical monitoring, guaranteed traceability throughout the channel until the standard is obtained.

SEDE has many composting treatment sites throughout France and Belgium.



Traitement des déchets pour un compost de qualité


> Traceability

> Easier logistics

> Appreciated agronomic value 


Traitement des déchets pour un compost de qualité


> Alternative to storage

> Year-round delivery

> High processing capacity

> Multi-site


Traitement des déchets de votre collectivité pour le compostage


> Stabilised and hygienised product

> Controlled and sustainable manufacturing process

> Low carbon footprint 

Composting platforms close to your community

Carte des 33 sites de compostage de déchets en France



Solid guarantees on the quality of our services 

SEDE is ISO 14001 certified for all its composting platforms. To achieve this, we have implemented strict measures to protect the environment and its stakeholders :

  • Water recovery via juice and road water recovery basins,
  • Restriction of olfactory nuisances with an ODOSCAN monitoring system (electronic nose) and various investments (cladding, aerator in ponds, etc.).


  • 60 SEDE composting sites

Owned, partnered, or operated by SEDE on behalf of communities.

  • 700 000 tonnes of compost.

From SEDE or partner composting sites are produced and marketed every year.

  • 52 loaders, 3 straddle turners and 32 screens.

Represent the equipment managed by SEDE at its composting sites

Carbon footprint of composting sites



Are you concerned about greenhouse gas (GHG) emissions related to the recovery of your waste?

All emissions related to an activity are taken into consideration and accounted for in a carbon balance sheet provided by SEDE.

Energy, excluding energy (GHGs defined by the Kyoto Protocol), inputs (necessary for production), future packaging, freight (all types of freight in, out, internal), travel (employees and visitors), direct waste, immobilisation, use, end of life...

All emissions produced by the SEDE composting platforms are converted into tonnes of CO2 equivalent.