Fertilizer Production

Veolia's HPD® Crystallization technologies produces fertilizer products from natural sources (mined deposits) or by-product streams from other processes.

HPD® Crystallization systems from Veolia Water Technologies provide innovative process solutions for leading producers of fertilizer worldwide. These systems crystallize fertilizer products from natural sources (mined or solution mined deposits) or by-product streams from other processes offering system designs that provide high availability and potential operational savings.

These unique crystallization systems offer the flexibility to meet a wide range of production requirements guaranteeing crystal size and purity for fertilizer products such as ammonium sulfate, potassium chloride, potassium sulfate and potassium nitrate.


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Veolia has experience with a wide array of fertilizer types.


Potassium chloride (MOP)

Ammonium sulfate

Sodium nitrate

Potassium sulfate (SOP)

Monoammonium phosphate (MAP)

Phosphoric acid
merchant/food/electrical grades

Ammonium nitrate

Diammonium phosphate (DAP)

Potassium carbonate

Potassium nitrate

Magnesium sulfate monohydrate

Calcium phosphate

Calcium sulfate

Epsom salt: Magnesium sulfate heptahydrate

Calcium chloride

Monopotassium phosphate (MPK)