Phosphoric Acid Technology Selection

There are three main technology suppliers for Phosphoric Acid.
Some words about each one, as an introduction:
Jacobs
1947:
Joseph J. Jacobs went into business as Jacobs Engineering Co., operating as both an engineering consultant and a manufacturers' representative for process equipment.
1997: Awarded engineering and technical services by Oswal Chemicals and Fertilizers for three 2,000-metric-ton-per-day (MTPD) Diammonium Phosphate/NPK Plants and a 2,650 MTPD Phosphoric Acid Plant--the world's largest--in Paradeep, India.
2011: Corporate Profile: Jacobs Engineering Group Inc. is one of the world’s largest and most diverse providers of professional technical services. With 2011 revenues of over $10 billion, offers full-spectrum support to industrial, commercial, and government clients across multiple markets. Services include scientific and specialty consulting as well as all aspects of engineering and construction, and operations & maintenance.
Technip
Through acquisiton of Spechim-Krebs, inherited intelectual property from Saint Gobain and Rhône Poulenc in the technology for Di-Hydrate Process and proprietary UCEGO® Filter. Has collaboration with YARA for Hemi-Hydrate Process. Sell technology for very large capacity concentration units.
Prayon
Over 60% of the phosphoric acid currently manufactured in the world comes from plants which use Prayon technology.
Prayon Technologies (PRT) sells the know-how and techniques developed by this Group, and also supplies consultancy and support services. PRT has over 50 years' experience in designing and operating phosphoric acid manufacturing units.
PRT's main areas of activity are: phosphoric acid production (fertilizer grade) using various processes, concentrating phosphoric acid, fluorine recovery, purification of gypsum, gas scrubbing, purification of phosphoric acid, consulting, training, etc.
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