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Nutrient Recovery Solutions for Municipalities, Industries & More

Upcycle phosphate in your wastewater streams into sustainable, revenue-generating fertilizer. 

Nutrient recovery tower
Ostara Technology

A Complete Nutrient Recovery Solution

Ostara’s nutrient recovery solutions enable wastewater treatment leaders to convert nutrient management challenges into a revenue-generating phosphate fertilizer and a cost-effective opportunity for environmental stewardship. 

01

Install Nutrient Recovery Technology in Your Water Treatment Center

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02

Recover Nutrients While Saving on Operations and Chemicals

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03

Recovered Nutrients Distributed as Crystal Green Pearl Fertilizer

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Why Join the Nutrient Recovery Movement?

Clear blue water

Cleaner Water

Nutrient pollution can harm waterways, creating algae blooms that upset the natural environment. Ostara helps maintain nutrient levels to sustain a healthy water supply.

Nutrient recovery technician

Greener Operations

Using our sustainable solutions to remove nutrients, you can also reduce energy use, chemical demand, and waste sludge volumes for additional environmental benefits.

Ariel view of wastewater treatment plant

Improved ROI

When you invest in our nutrient recovery solution, capital costs are recouped in 5-10 years through savings in chemicals, sludge disposal, and maintenance while also creating revenue from Crystal Green Pearl® fertilizer sales

Your Community Benefits When You Choose Ostara

Crystal Green Pearl out of the reactor

Convert Influent Phosphorus Into Sustainable Fertilizer

  • Meet strict P limits more cost effectively
  • Improved N:P balance in biosolids

Opening of Nutrient Recovery Facility

Reduce Total Biosolids Volume up to 10-20%

  • Avoidance of chemical sludge
  • Avoidance of struvite in sludge cake

Nutrient Recovery Tower

Improved Dewaterability

  • Up to 2% increase in cake solids (corresponding to approximately 10% volume reduction)
  • Potential for 5-20% polymer reduction

Reactor Control Panel

Reduce Chemical and Maintenance Costs

  • Reduce or eliminate chemicals added for P removal
  • Avoid chemical sludges
  • Offset operational costs with the sale of Crystal Green Pearl

Struvite built up in pipes

Protect Digesters from Nuisance Struvite

  • Up to 90% reduction in digester struvite
  • Reduced digester maintenance

The Only Nutrient Management Solution that Delivers Operating, Economic and Environmental Benefits

Traditional ways of managing phosphorus to meet effluent limits and protect local waterways creates a new problem: struvite. Instead of solving this problem with expensive chemicals, Ostara has a better way.

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Water Managers Around the World Are Saying ‘Yes’ to Sustainable Nutrient Management

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Let’s Improve Your Nutrient Efficiency

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