IFS 2015: New struvite fertiliser can reduce runoff

By James Sean Dickson
Published: Tuesday, 23 June 2015

Canadian company Ostara has big ideas for closing the usage cycle and reducing eutrophication the phosphate industry. By introducing a wastewater-sourced struvite phosphate fertiliser, which has a low water solubility, one of the most damaging environmental problems associated with fertiliser application could be ameliorated.

The phosphate mineral struvite offers a "unique opportunity" to address supply and waste problems related to phosphate sourced from mined fossil deposits, delegates at the International Fertiliser Society (IFS) Conference 2015 in London, UK, were told today.

The fertiliser mineral, which has the formula NH4MgPO4•6H2O, represents a different approach owing to the economic...

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