Composting
Biological treatments of solid waste

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Composting


Biological treatments of solid waste

Authors : Rémy BAYARD, Rémy GOURDON

Publication date: December 10, 2022, Review date: November 23, 2023 | Lire en français

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3. Composting

3.1 Objectives and principles

Composting is the aerobic biological treatment of organic waste to achieve one or more of the following objectives:

  • mineralization of the most biodegradable fraction, leading to a more stable residual material and thus reducing the waste's potential environmental and health impacts;

  • reduction of waste mass and volume;

  • production of compost that can be used as an organic soil improver.

Composting generally involves two biological stages (figure 1...

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