Activated sludge
Jump to navigation
Jump to search
1. A granular, porous, organic fertilizer material derived from sewerage. Aeration, digestion, and drying processes kill all bacteria and weed seeds. Nitrogen is the most valuable component of this product.
The process of recycling sludge products to produce a high quality fertilizer.
Source: http://www.sswm.info/content/fertiliser-sludge