FR88940E - Procédé de purification d'acide phosphorique - Google Patents

Procédé de purification d'acide phosphorique

Info

Publication number
FR88940E
FR88940E FR35780A FR35780A FR88940E FR 88940 E FR88940 E FR 88940E FR 35780 A FR35780 A FR 35780A FR 35780 A FR35780 A FR 35780A FR 88940 E FR88940 E FR 88940E
Authority
FR
France
Prior art keywords
phosphoric acid
purification process
acid purification
phosphoric
purification
Prior art date
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.)
Expired
Application number
FR35780A
Other languages
English (en)
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.)
Produits Chimiques Pechiney Saint Gobain
Original Assignee
Produits Chimiques Pechiney Saint Gobain
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
Priority to FR2340A priority Critical patent/FR1435877A/fr
Application filed by Produits Chimiques Pechiney Saint Gobain filed Critical Produits Chimiques Pechiney Saint Gobain
Priority to FR35780A priority patent/FR88940E/fr
Priority to IL24794A priority patent/IL24794A/xx
Priority to US520070A priority patent/US3366448A/en
Priority to BE675087D priority patent/BE675087A/xx
Priority to DEP38558A priority patent/DE1299611B/de
Priority to GB2058/66A priority patent/GB1093927A/en
Priority to NL666600561A priority patent/NL149765B/xx
Application granted granted Critical
Publication of FR88940E publication Critical patent/FR88940E/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • 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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • 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
    • C01B25/234—Purification; Stabilisation; Concentration
FR35780A 1965-01-18 1965-10-21 Procédé de purification d'acide phosphorique Expired FR88940E (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR2340A FR1435877A (fr) 1965-01-18 1965-01-18 Procédé de purification d'acide phosphorique
FR35780A FR88940E (fr) 1965-01-18 1965-10-21 Procédé de purification d'acide phosphorique
IL24794A IL24794A (en) 1965-01-18 1965-12-14 Recovery of purified phosphoric acid by solvent extraction
US520070A US3366448A (en) 1965-01-18 1966-01-12 Method for treatment of impure phosphoric acid solutions to produce purified phosphoric acid
BE675087D BE675087A (fr) 1965-01-18 1966-01-14
DEP38558A DE1299611B (de) 1965-01-18 1966-01-17 Verfahren zur Verhinderung von Kieselsaeuregelbildung bei der Reinigung von Phosphorsaeure durch Extraktion
GB2058/66A GB1093927A (en) 1965-01-18 1966-01-17 Process for the preparation of purified phosphoric acid
NL666600561A NL149765B (nl) 1965-01-18 1966-01-17 Continue werkwijze voor het zuiveren van fosforzuur.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2340A FR1435877A (fr) 1965-01-18 1965-01-18 Procédé de purification d'acide phosphorique
FR35780A FR88940E (fr) 1965-01-18 1965-10-21 Procédé de purification d'acide phosphorique

Publications (1)

Publication Number Publication Date
FR88940E true FR88940E (fr) 1967-04-14

Family

ID=26161579

Family Applications (2)

Application Number Title Priority Date Filing Date
FR2340A Expired FR1435877A (fr) 1965-01-18 1965-01-18 Procédé de purification d'acide phosphorique
FR35780A Expired FR88940E (fr) 1965-01-18 1965-10-21 Procédé de purification d'acide phosphorique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR2340A Expired FR1435877A (fr) 1965-01-18 1965-01-18 Procédé de purification d'acide phosphorique

Country Status (7)

Country Link
US (1) US3366448A (fr)
BE (1) BE675087A (fr)
DE (1) DE1299611B (fr)
FR (2) FR1435877A (fr)
GB (1) GB1093927A (fr)
IL (1) IL24794A (fr)
NL (1) NL149765B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410656A (en) * 1966-06-01 1968-11-12 Fmc Corp Phosphoric acid purification
US3956465A (en) * 1970-06-12 1976-05-11 Azote Et Produits Chimiques S.A. Solvent purification of wet process phosphoric acid
US4083937A (en) * 1974-07-09 1978-04-11 Toyo Soda Manufacturing Co., Ltd. Process for preparing pure phosphoric acid
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound
JPS5297389A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of sulfate ion in extracted phosphoric acid
US4169881A (en) * 1976-02-13 1979-10-02 Toyo Soda Manufacturing Co., Ltd. Process for removing dissolved silica from extracted phosphoric acid
NL7905699A (nl) * 1979-07-24 1981-01-27 Stamicarbon Werkwijze voor het bereiden van fosfaten en een uraniumbevattend concentraat uit natproces fosforzuur, alsmede fosfaten en uraniumbevattend concentraat ver- kregen onder toepassing van deze werkwijze.
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
NL8004221A (nl) * 1980-07-23 1982-02-16 Stamicarbon Werkwijze voor het winnen van een uraniumbevattend concentraat en gezuiverd fosforzuur, alsmede uraniumbevattend concentraat en gezuiverd fosforzuur verkregen volgens deze werkwijze.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE636211C (de) * 1934-07-15 1936-10-13 Kunstduenger Patent Verwertung Abtrennung von Fluor und Aluminium aus Loesungen, die durch Aufschluss von Phosphat mit Saeuren erhalten werden
US2955918A (en) * 1956-08-24 1960-10-11 Monsanto Chemicals Purification of phosphoric acid
GB974610A (en) * 1962-05-24 1964-11-04 Canadian Ind Purification of phosphoric acid

Also Published As

Publication number Publication date
DE1299611B (de) 1969-07-24
GB1093927A (en) 1967-12-06
IL24794A (en) 1969-11-12
BE675087A (fr) 1966-07-14
US3366448A (en) 1968-01-30
FR1435877A (fr) 1966-04-22
NL6600561A (fr) 1966-07-19
NL149765B (nl) 1976-06-15

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