Prayon Technologies is the only phosphoric acid specialist offering 5 different processes. Our customers have a broad range to choose from, depending on their technical, economic and environmental requirements. All the processes we offer include unique characteristics developed by Prayon.

 

Our technologies are divided into two categories:

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• The first range comprises processes with an initial dihydrate reaction . There are 2 such processes :
  
  
  1. DPP - Mark 4 Dihydrate process: with one dihydrate crystallisation stage
     
     

     DIHY

     
     
  2. Central Prayon Process (CPP): with two dihydrate crystallisation processes followed by a hemihydrate process
     
     

     DIHY

     -->

     HEMI

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• The second range comprises processes with an initial hemihydrate reaction.
  There are 3 such processes:
  
  

  1. Prayon PH1 process: with one hemihydrate crystallisation stage
     
     

     HEMI

     
     
  2. Prayon PH2 process: with two hemihydrate crystallisation stages followed by a dihydrate process
     
     

     DIHY

     -->

     HEMI

     
     
  3. Prayon PH3 process: with three crystallisation stages: hemihydrate, dihydrate, and finally hemihydrate processes
     
     

     HEMI

     -->

     DIHY

     -->

     HEMI