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Current status


  • The first stage in the production of the patented process is practically completed
  • The combustion chamber was developed, ordered and installed successfully
  • The latest tests performed in spring 2016 confirmed the team's choices in terms of materials selected and engineering
  • During the tests, a very pure and highly concentrated polyphosphoric acid was produced
  • The team is now working on designing parts 2 and 3 of the process, i.e. energy recovery and gas scrubbing





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Prayon acquires part of Ecophos assets

The company Prayon has acquired the intellectual property including patents portfolio and process...

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Mr Frédéric Gevers

Project Leader

Prayon S.A.

144, rue J. Wauters
4480 Engis
Tel: +32 4 273 92 80
E-mail :


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