BE810652A - Purification de l'acide phosphorique - Google Patents

Purification de l'acide phosphorique

Info

Publication number
BE810652A
BE810652A BE140583A BE140583A BE810652A BE 810652 A BE810652 A BE 810652A BE 140583 A BE140583 A BE 140583A BE 140583 A BE140583 A BE 140583A BE 810652 A BE810652 A BE 810652A
Authority
BE
Belgium
Prior art keywords
purification
phosphoric acid
phosphoric
acid
Prior art date
Application number
BE140583A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE810652A publication Critical patent/BE810652A/xx

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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE140583A 1973-02-07 1974-02-06 Purification de l'acide phosphorique BE810652A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB605673A GB1464536A (xx) 1973-02-07 1973-02-07

Publications (1)

Publication Number Publication Date
BE810652A true BE810652A (fr) 1974-05-29

Family

ID=9807612

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140583A BE810652A (fr) 1973-02-07 1974-02-06 Purification de l'acide phosphorique

Country Status (13)

Country Link
US (1) US3947499A (xx)
BE (1) BE810652A (xx)
CA (1) CA1037222A (xx)
DE (1) DE2404434A1 (xx)
ES (1) ES422967A1 (xx)
FR (1) FR2216255B1 (xx)
GB (1) GB1464536A (xx)
IE (1) IE38824B1 (xx)
IL (1) IL44099A (xx)
IT (1) IT1004878B (xx)
LU (1) LU69337A1 (xx)
NL (1) NL7401572A (xx)
TR (1) TR17854A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51143597A (en) * 1975-06-05 1976-12-09 Mitsui Toatsu Chem Inc Process for purification of impure phosphoric acid
GB1560984A (en) * 1975-08-05 1980-02-13 Albright & Wilson Process for preparing phosphate salts
JPS5222596A (en) * 1975-08-15 1977-02-19 Mitsui Toatsu Chem Inc Refinement of phosphoric acid
NL8202518A (nl) * 1982-06-22 1984-01-16 Tno Werkwijze en inrichting voor het in tegenstroom behandelen van gesuspendeerde deeltjes met een vloeistof.
US4655790A (en) * 1985-05-08 1987-04-07 Freeport Research And Development Company Phosphoric acid crystallization process
US4657559A (en) * 1985-05-08 1987-04-14 Freeport Research And Engineering Company Process for seed crystal preparation for phosphoric acid crystallization
US4655789A (en) * 1985-05-08 1987-04-07 Freeport Research And Engineering Company Phosphoric acid crystallization process
EP2924003B1 (en) 2014-03-26 2019-05-08 LXP Group GmbH Method for purifying phosphoric acid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318661A (en) * 1962-12-31 1967-05-09 Tennessee Corp Process for purifying phosphoric acid
US3367738A (en) * 1963-09-23 1968-02-06 Tennessee Corp Process for purifying wet process phosphoric acid with ethyl ether
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
NL7401572A (xx) 1974-08-09
LU69337A1 (xx) 1974-05-17
FR2216255B1 (xx) 1978-03-10
CA1037222A (en) 1978-08-29
DE2404434A1 (de) 1974-08-22
FR2216255A1 (xx) 1974-08-30
IT1004878B (it) 1976-07-20
IL44099A (en) 1977-01-31
US3947499A (en) 1976-03-30
GB1464536A (xx) 1977-02-16
TR17854A (tr) 1976-05-12
ES422967A1 (es) 1976-12-16
IL44099A0 (en) 1974-05-16
IE38824L (en) 1974-08-07
IE38824B1 (en) 1978-06-07

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