Influence of aeration level on ammonia emissions intensity during composting

Sewage sludge is created in the process of urban waste water purification. Produced by each sewage sludge plant, sewage sludge is mainly stored in dumpling ground which is unfavourable due to its composition (high content of organic matter) and will be forbidden after 2012. However, the sewage sludge seems to be very good substrate for composting giving (in optimal conditions) valuable organic fertilizer.

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