Activated sludge

From PLANTFACTS.OSU.EDU
Jump to: navigation, 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.

ASH%20DEC%202008%20Ash%20dec%20process.JPG

The process of recycling sludge products to produce a high quality fertilizer.
Source: http://www.sswm.info/content/fertiliser-sludge