Nutrient recycling

Biosolids and feedlot wastes

Ecological Engineering

Digestion followed by solar or piston-press dewatering to >30% solids, with beneficial use as a nutrient (replacement for mineral fertiliser applications) and soil organic matter additive.

photo 07

Conventional Engineering

Disposal of high moisture content biosolids to landfill or application to remote agricultural land to avoid odour issues.

photo 08.  landfill biosolids