DH process
(Source: Becker, A. 1983)
Typical Process of a Wet Process Dihydrate Phosphoric Acid Plant
(Source: Becker, A. 1983)
Simplified Process Flow Diagram of Ammonium Phosphate Production
(Source: U.S. EPA, AP-42, 1993)
Dorr-Oliver slurry granulation process
(Source: U.S. EPA, AP-42, 1993)