84821 ⎘
Phosphorus; Compounds thereof; Oxyacids of phosphorus; Salts thereof; Phosphoric acid; Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it , e.g. a mixture of sulfur dioxide, water and oxygen
Sub-classes:A method for producing ferrous sulphate and phosphoric acid
#2SYSTEMS AND METHODS FOR INCREASED SULFURIC ACID CONCENTRATION FROM SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND USES THEREOF
#3Integrated Method For The Decadmiation Of Phosphoric Acid
#4Method for removing heavy metals in the manufacture of phosphoric acid
#5PROCESS FOR RECOVERING PHOSPHORUS
#6Preparation of phosphoric acid
#7Preparation of an aqueous suspension of phosphate material
#8Scale control in phosphoric acid production and handling plants
#9Systems and methods for reducing formation of scale in phosphoric acid production
#10POLYMERIC MICROPARTICLES AS FILTRATION AND/OR CLARIFYING AIDS IN PHOSPHORIC ACID PRODUCTION
#11Mixing tee assembly and process
#12Scale control in phosphoric acid production and handling plants
#13Polymeric microparticles as filtration and/or clarifying aids in phosphoric acid production
#14Method for removing iron in the manufacture of phosphoric acid
#15Processes for the recovery of fluoride and silica products and phosphoric acid from wet-process phosphoric acid facilities and contaminated waste waters
#16Dihydrate-hemihydrate process for producing phosphoric acid
#17Method for producing phosphates and phosphate-containing compounds, particularly alkaline earth phosphates, alkaline earth silicophosphates, or alkaline earth oxides
#18Preventing or reducing scale in wet-process phosphoric acid production
#19Process for Producing Products Under Very Low Supersaturation
#20Process for the production of high purity phosphoric acid
#21MODIFICATION OF PRECIPITATE MORPHOLOGY AND SETTLING CHARACTERISTICS IN ACID CONDITIONS
#22INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS