- Sewage Sludge Treatment Technology


Limnosolids is a passive approach technology of reed beds enabling dehydration, mineralisation and stabilisation of sludge from wastewater treatment plants. It is using only natural processes.

The technology enables long-term and sustainable storage of sludge with low operating and maintenance costs. It can completely replace dehydration which currently represents significant cost on existing wastewater treatment plants.

With this technology different types of sewage and industrial sludge can be treated. It is stored in the reed beds normally between 8 to 10 years. Due to parallel operation of physical (drying) and biological processes (mineralisation) the treatment results in significant sludge volume reduction. The sludge no longer contains pathogen organisms and is therefore stabilised.

The end result of the process is a compost-like soil that can be reused as fertilizer in agriculture, cover layer for landfills or construction material.

Scheme of Limnosolids® operation
Our services can be complete or partial but always customer oriented:

  • elaboration of final project design,
  • construction, surveillance of construction and performance optimisation,
  • training of facility operating staff,
  • elaboration of operation and maintenance manual.

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