FROM STRUVITE TO STEWARDSHIP
Game-Changing Solutions for Municipalities & Wastewater Treatment Leaders
You remove phosphorus to meet your effluent limits and protect local waterways from nutrient pollution, but now you’ve got a new problem: struvite. You could use chemicals, but they’re expensive and increase sludge production.
THERE IS A BETTER WAY.
OSTARA’S PEARL® AND WASSTRIP® PROCESS
We don’t just solve operational and regulation issues, when you partner with Ostara you partner with your community, your farmers and your future, recovering a valuable resource – phosphorus fertilizer – for reuse. The best part is, we manage everything from warehousing and supply chain logistics, to agronomy research, branding, sales and distribution, guaranteeing you a revenue stream without any of the overhead or hassles. Welcome to the future.
A NEW Modular, Scalable Solution from Ostara
Ostara’s newest optimization, Pearl Fx, provides a low capital, modular solution, allowing us to scale our offering to meet site specifications. An ideal fit for smaller cities and larger facilities looking for modular, value-driven options while still recovering nutrients for reuse. That’s not just better operations and economics, that’s better stewardship.
SAY HELLO TO PEARL Fx

COMPETITIVE ADVANTAGE
Ostara offers a revenue generating, closed-loop solution. Capital costs are recouped in 5-10 years, through annual savings in chemicals, sludge disposal, maintenance, and revenue from Crystal Green sales. As the global leader in nutrient recovery, we deliver a complete, nutrient recovery solution package.
SIGNIFICANT SAVINGS & REDUCED OPERATIONAL COSTS
Convert up to 50% of total influent P into premium market-ready fertilizer
- Meet strict P limits
- Improved N:P balance in sludge
Reduce total biosolids production by 10-20%
- Avoidance of chemical sludge
- Avoidance of struvite in sludge cake
Improved dewaterability
- Up to 4% increase in cake solids (corresponding to approximately 20% volume reduction)
- 5-20% polymer reduction
Reduce chemical and maintenance costs
- Reduce or eliminate chemicals for P removal
- Avoidance of chemical sludge
- Offset operational costs with sale of
high value fertilizer
Protect digesters from nuisance struvite
- 90% reduction in digester struvite
- Reduced digester maintenance
DOWNLOADS
Nutrient Recovery Solutions

Ostara Overview

Process Flow Diagram
