Conclusion – outlook

This approach to the treatment of gaseous effluents generated during waste composting has made it possible to define :

• windrow oxygenation methods, depending on the process used. Air blowing is preferred for homogeneous aeration of the fermenting material;

• ventilation of the different areas of the composting plant, which must be compartmentalized: raw material storage, aerobic fermentation and compost maturation;

• extracted air treatment processes. Biological systems appear to be the best suited to the flows and quality of the waste gases to be treated.

An industrial example was presented. The approach described above was used to set up the compartment and extraction system. The air treatment consists of an original biological scrubbing process...