OstaraOstara Nutrient Recovery Technologies Inc. is a global leader in nutrient management solutions. The company’s proprietary Pearl® Process removes phosphorus and nitrogen from municipal and industrial wastewaters and transforms them into an environmentally responsible, slow-release fertilizer called Crystal Green®. Ostara’s innovative technology is a cost-effective solution to struvite issues at treatment plants and helps protect waterways from nutrient overload that causes eutrophication resulting in coastal dead zones.

The promise of Ostara’s solution has earned the company numerous awards including being named to the World Economic Forum’s Technology Pioneers for 2011 and to the prestigious Global Cleantech 100 three years running.


Date Type Amount Investors Valuation
05/01/12 Other 14.5M VantagePoint Capital Partners Unknown