Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Davison Chemical Corp
Original Assignee
Davison Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Davison Chemical CorpfiledCriticalDavison Chemical Corp
Application grantedgrantedCritical
Publication of FR917214ApublicationCriticalpatent/FR917214A/fr
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B25/00—Phosphorus; Compounds thereof
C01B25/16—Oxyacids of phosphorus; Salts thereof
C01B25/18—Phosphoric acid
C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
C01B25/222—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 in situ, e.g. a mixture of sulfur dioxide, water and oxygen
C01B25/232—Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Inorganic Chemistry
(AREA)
FR917214D1941-01-151945-11-12Procédé et appareil pour la fabrication de l'acide phosphorique
ExpiredFR917214A
(fr)