Turn reject into resource

Wastewater treatment facilities are under pressure to meet strict nutrient discharge limits while managing rising costs and emissions. Traditional nitrogen removal is energy-hungry and emits potent greenhouse gases like N₂O. NPHarvest offers a smarter way.

Our technology works on concentrated side streams—like digester reject water—before they hit the mainline. We recover up to 90% of nitrogen and phosphorus from these streams in pure, usable form. The result? Lower load on your mainline, reduced net energy and chemical consumption, and smaller emissions footprint.