|
GB1146556A
|
|
Viscosity reduction of wet process superphosphoric acid
|
|
US3407862A
|
|
Submerged combustion apparatus for the concentration of phosphoric acids
|
|
GB1149941A
|
|
Apparatus and method for prilling ammonium nitrate
|
|
US3333929A
|
|
Clarification and concentration of wet process phosphoric acid
|
|
US3408162A
|
|
Suspension of solid impurities in wet process phosphoric acid
|
|
US3372002A
|
|
Viscosity reduction of wet process superphosphoric acid
|
|
US3402019A
|
|
Preparation of phosphoric acid, phosphorus oxyfluoride, and related compounds
|
|
US3410654A
|
|
Production of liberated polyphosphoric acid and calcium sulfate
|
|
US3408161A
|
|
Production of purified wet process phosphoric acid from phosphate rock
|
|
US3408168A
|
|
Phosphoric acid concentration
|
|
US3393253A
|
|
Ureidophosphonates and preparation thereof
|
|
US3356123A
|
|
Apparatus and method for concentrating phosphoric acid
|
|
US3389959A
|
|
Manufacture of triple superphosphate
|
|
US3361187A
|
|
Concentration of wet process phosphoric acid
|
|
US3361257A
|
|
Phosphate flotation
|
|
US3403973A
|
|
Water-soluble polyphosphoric acid and calcium salts derived therefrom
|
|
US3302372A
|
|
Gas scrubbing process and apparatus
|
|
US3403974A
|
|
Method and apparatus for concentrating phosphoric acids containing impurities
|
|
US3402997A
|
|
Concentrating and separating impuritycontaining phosphoric acids
|
|
US3316061A
|
|
Wet process ultraphosphoric acid
|
