NL7401572A - - Google Patents

Info

Publication number
NL7401572A
NL7401572A NL7401572A NL7401572A NL7401572A NL 7401572 A NL7401572 A NL 7401572A NL 7401572 A NL7401572 A NL 7401572A NL 7401572 A NL7401572 A NL 7401572A NL 7401572 A NL7401572 A NL 7401572A
Authority
NL
Netherlands
Application number
NL7401572A
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 NL7401572A publication Critical patent/NL7401572A/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)
NL7401572A 1973-02-07 1974-02-05 NL7401572A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7401572A true NL7401572A (fr) 1974-08-09

Family

ID=9807612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7401572A NL7401572A (fr) 1973-02-07 1974-02-05

Country Status (13)

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

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
US4655789A (en) * 1985-05-08 1987-04-07 Freeport Research And Engineering 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
EP2924003B1 (fr) 2014-03-26 2019-05-08 LXP Group GmbH Procédé de purification de l'acide phosphorique

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
ES422967A1 (es) 1976-12-16
GB1464536A (fr) 1977-02-16
IL44099A (en) 1977-01-31
TR17854A (tr) 1976-05-12
IL44099A0 (en) 1974-05-16
BE810652A (fr) 1974-05-29
IT1004878B (it) 1976-07-20
FR2216255A1 (fr) 1974-08-30
IE38824B1 (en) 1978-06-07
FR2216255B1 (fr) 1978-03-10
IE38824L (en) 1974-08-07
US3947499A (en) 1976-03-30
CA1037222A (fr) 1978-08-29
DE2404434A1 (de) 1974-08-22
LU69337A1 (fr) 1974-05-17

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Legal Events

Date Code Title Description
BV The patent application has lapsed