IHP is the Only Way to Exploit Low-grade Phosphate Rock Raw Material

  • A major advantage of IHP over WAP is its ability to use low-quality phosphate rock—this implies a direct and multi-billion ton increase in the volume of phosphate reserves that can be economically exploited around the world.
  • The world has a lot of phosphate rock “resources,” by some estimates close to 0.5 trillion tons; however, the large majority of this rock cannot be exploited economically because it is incompatible with the WAP process.
  • The WAP process cannot tolerate high levels of Fe, Al and Mg.  High levels of these impurities are often the reason phosphate resources have not been mined to date.
  • IHP can tolerate high levels of these impurities, about twice what the WAP process can.  This means IHP can unlock the value in a large number of these deposits.   Several examples include:
    • The Georgina basin in Australia estimated to contain 3 billion tons of phosphate rock
    • Low grade Egyptian deposits, like Abu Tartur, totaling approximately 3 billion tons
    • Offshore deposits like those near Namibia, estimated at 2 billion tons
  • Billions of tonnes of phosphate resources are transformed into valuable reserves by IHP.

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KPA White Paper

History, Development, Status and Opportunities for Kiln Phosphoric Acid