AT361890B - Verfahren zur reinigung von phosphorsaeure - Google Patents

Verfahren zur reinigung von phosphorsaeure

Info

Publication number
AT361890B
AT361890B AT374373A AT374373A AT361890B AT 361890 B AT361890 B AT 361890B AT 374373 A AT374373 A AT 374373A AT 374373 A AT374373 A AT 374373A AT 361890 B AT361890 B AT 361890B
Authority
AT
Austria
Prior art keywords
phosphoric acid
purifying phosphoric
purifying
acid
phosphoric
Prior art date
Application number
AT374373A
Other languages
English (en)
Other versions
ATA374373A (de
Original Assignee
Albright & Wilson
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 claimed from GB1947672A external-priority patent/GB1436113A/en
Application filed by Albright & Wilson filed Critical Albright & Wilson
Publication of ATA374373A publication Critical patent/ATA374373A/de
Application granted granted Critical
Publication of AT361890B publication Critical patent/AT361890B/de

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
AT374373A 1972-04-26 1973-04-26 Verfahren zur reinigung von phosphorsaeure AT361890B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1947672A GB1436113A (en) 1972-04-26 1972-04-26 Purification of phosphoric acid

Publications (2)

Publication Number Publication Date
ATA374373A ATA374373A (de) 1980-09-15
AT361890B true AT361890B (de) 1981-04-10

Family

ID=10130003

Family Applications (1)

Application Number Title Priority Date Filing Date
AT374373A AT361890B (de) 1972-04-26 1973-04-26 Verfahren zur reinigung von phosphorsaeure

Country Status (10)

Country Link
US (1) US3914382A (de)
AT (1) AT361890B (de)
BR (1) BR7303025D0 (de)
DE (2) DE2365882B2 (de)
EG (1) EG12694A (de)
ES (2) ES440617A1 (de)
IL (1) IL42065A (de)
PH (1) PH13593A (de)
SE (1) SE416799B (de)
ZA (1) ZA732725B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127640A (en) * 1972-04-26 1978-11-28 Albright & Wilson Ltd. Purification of phosphoric acid by solvent extraction using hexanones
US4024225A (en) * 1973-11-02 1977-05-17 United States Steel Corporation Method of making high purity alkali metal phosphates from wet-process phosphoric acid
GB1560984A (en) * 1975-08-05 1980-02-13 Albright & Wilson Process for preparing phosphate salts
ZA774159B (en) * 1977-10-27 1978-07-26 Albright & Wilson Process for preparing phosphate salts
US4277455A (en) * 1978-10-16 1981-07-07 Albright & Wilson Limited Process for purifying phosphoric acid
DE3708140A1 (de) * 1987-03-13 1988-09-22 Budenheim Rud A Oetker Chemie Verfahren zur fluessig-/fluessig-extraktion von nassverfahrensphosphorsaeure mit organischen loesungsmitteln

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929442A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining orthophosphoric acid and/or conversion products thereof
US2885265A (en) * 1955-06-21 1959-05-05 Horizons Inc Process for producing substantially pure orthophosphoric acid
US3338674A (en) * 1963-05-09 1967-08-29 Avraham M Baniel Process for preparation of substantially pure phosphoric acid
US3367738A (en) * 1963-09-23 1968-02-06 Tennessee Corp Process for purifying wet process phosphoric acid with ethyl ether
NL298968A (de) * 1963-10-08
FR1456008A (fr) * 1965-09-02 1966-05-20 Azote Office Nat Ind Procédé de fabrication d'acide phosphorique pur par voie humide
US3433592A (en) * 1966-04-07 1969-03-18 Avraham Baniel Method of purifying phosphoric acid
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery
US3707357A (en) * 1971-03-23 1972-12-26 United States Steel Corp Wet-process phosphoric acid extraction including separating solvent from extract by freezing solvent

Also Published As

Publication number Publication date
ZA732725B (en) 1974-11-27
SE7702655L (sv) 1977-03-09
SE416799B (sv) 1981-02-09
US3914382A (en) 1975-10-21
EG12694A (en) 1979-09-30
DE2365883A1 (de) 1976-12-09
BR7303025D0 (pt) 1974-07-18
PH13593A (en) 1980-07-25
ES440617A1 (es) 1977-03-01
DE2365883C3 (de) 1979-10-31
DE2365883B2 (de) 1979-03-15
DE2365882A1 (de) 1976-11-18
IL42065A (en) 1977-07-31
ATA374373A (de) 1980-09-15
ES440618A1 (es) 1977-03-01
DE2365882B2 (de) 1980-11-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee