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Association of bioprocesses to other processes for ex situ treatment of waste and contaminated soils

Summary

How can we improve the effectiveness of biotechnologies for treating waste, sediments and polluted soils? One way forward is to overcome certain limitations, particularly those relating to the biodegradability and bioavailability of pollutants, by combining non-biological processes. By identifying the processes that limit the effectiveness of bioprocesses and pinpointing the solutions that can overcome these limitations (process sheets in the report), the authors draw up a table of the most illustrative combinations of processes, such as:
- the use of mechanical processes for the preparation of organic waste (such as "mechanical-biological" pre-treatment),
- the preparation of polluted soil prior to treatment in a biotertre,
- the use of wet oxidation as a pre-treatment for WWTP sludge.

Keywords: biodégradabilité, biodisponibilité, traitement biologique, traitement physicio-chimique, sols pollués, déchets

Publication date: November 2006

Achievement: LAEPSI - INSA DE LYON

Reference: 04-0416/1A


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