The mission of
Prayon Technologies (PRT)
is to expand, promote and sell the expertise and processes
developed by our Group. PRT also supplies consultancy and support services.
PRT has over 60 years’ experience in designing and operating phosphoric acid manufacturing units.
Over 50% of the world’s phosphoric acid is currently manufactured by plants that use Prayon technology.
PRT’s main areas of activity are:
Phosphoric acid production
(DH, CPP, PH1, PH2, DA-HF processes)
Phosphoric acid concentration
Phosphoric acid purification
from phosphoric acid
Technical support for existing units
Phosphate rock evaluation
Profitability improvement by knowledge
Management of knowledge developed
DA-HF (DI ATTACKAND HEMI FILTRATION)
The Prayon DA-HF process for producing
phosphoric acid by sulphuric acid attack
of natural phosphate rock is a modern
process leading to high P
giving, as a by-product, hemihydrate cal-
TECHNOLOGIESC ULEUR 3