What are Biosolids?

Biosolids are the nutrient-rich organic materials resulting from the additional treatment of sewage sludge in a municipal wastewater treatment plant. During treatment, beneficial bacteria and other tiny organisms break the sludge down into simpler, harmless organic matter. The organic matter, combined with bacterial cell masses, settle out to form biosolids, which can then be safely recycled as a fertilizer and soil conditioner.

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