84817 ⎘
Phosphorus; Compounds thereof; Oxyacids of phosphorus; Salts thereof; Phosphoric acid; Preparation by reacting phosphate-containing material with an acid, e.g. wet process Arrangements of vessels used in reacting phosphate-containing material in wet process
Systems and methods for reducing formation of scale in phosphoric acid production
#2Method for producing phosphoric acid and by-producing alpha-hemihydrate gypsum by wet-process
#3Method for removing iron in the manufacture of phosphoric acid