NL151045B - METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID. - Google Patents

METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID.

Info

Publication number
NL151045B
NL151045B NL6413920A NL6413920A NL151045B NL 151045 B NL151045 B NL 151045B NL 6413920 A NL6413920 A NL 6413920A NL 6413920 A NL6413920 A NL 6413920A NL 151045 B NL151045 B NL 151045B
Authority
NL
Netherlands
Prior art keywords
fluor
removal
phosphoric acid
phosphoric
acid
Prior art date
Application number
NL6413920A
Other languages
Dutch (nl)
Other versions
NL6413920A (en
Inventor
H Boer
Original Assignee
Windmill Holland Bv
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 Windmill Holland Bv filed Critical Windmill Holland Bv
Priority to NL6413920A priority Critical patent/NL151045B/en
Priority to BE672707D priority patent/BE672707A/xx
Priority to GB4978465A priority patent/GB1127247A/en
Priority to SE1518865A priority patent/SE319757C/xx
Priority to DE1965E0030531 priority patent/DE1287053C2/en
Priority to DK610865A priority patent/DK109385C/en
Priority to FR40063A priority patent/FR1456263A/en
Priority to FI287765A priority patent/FI45315C/en
Priority to JP7318965A priority patent/JPS4811475B1/ja
Publication of NL6413920A publication Critical patent/NL6413920A/xx
Publication of NL151045B publication Critical patent/NL151045B/en

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
    • C01B25/237—Selective elimination of impurities
    • C01B25/2372—Anionic impurities, e.g. silica or boron compounds
    • C01B25/2375—Fluoride or fluosilicate anion
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
NL6413920A 1964-11-30 1964-11-30 METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID. NL151045B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL6413920A NL151045B (en) 1964-11-30 1964-11-30 METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID.
BE672707D BE672707A (en) 1964-11-30 1965-11-23
GB4978465A GB1127247A (en) 1964-11-30 1965-11-23 Defluoridating phosphoric acid
SE1518865A SE319757C (en) 1964-11-30 1965-11-24
DE1965E0030531 DE1287053C2 (en) 1964-11-30 1965-11-25 Process for removing fluorine from phosphoric acid
DK610865A DK109385C (en) 1964-11-30 1965-11-27 Process for removing flour from phosphoric acid.
FR40063A FR1456263A (en) 1964-11-30 1965-11-29 Phosphoric acid defluorination process
FI287765A FI45315C (en) 1964-11-30 1965-11-29 Method for removing fluorine from phosphoric acid.
JP7318965A JPS4811475B1 (en) 1964-11-30 1965-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6413920A NL151045B (en) 1964-11-30 1964-11-30 METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID.

Publications (2)

Publication Number Publication Date
NL6413920A NL6413920A (en) 1966-05-31
NL151045B true NL151045B (en) 1976-10-15

Family

ID=19791540

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6413920A NL151045B (en) 1964-11-30 1964-11-30 METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID.

Country Status (9)

Country Link
JP (1) JPS4811475B1 (en)
BE (1) BE672707A (en)
DE (1) DE1287053C2 (en)
DK (1) DK109385C (en)
FI (1) FI45315C (en)
FR (1) FR1456263A (en)
GB (1) GB1127247A (en)
NL (1) NL151045B (en)
SE (1) SE319757C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718729A (en) * 1971-03-15 1973-02-27 American Cyanamid Co Defluorination of wet process phosphoric acid
DE2719701C3 (en) * 1976-05-06 1986-10-02 W.R. Grace & Co., New York, N.Y. Process for converting wet phosphoric acid into a concentrated phosphoric acid which does not tend to precipitate
AU499517B2 (en) * 1978-03-06 1979-04-26 W. R. Grace & Co Treating wet-process phosphoric acid
US4311681A (en) 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
DE3913853A1 (en) * 1989-04-27 1990-10-31 Hoechst Ag METHOD FOR PROCESSING PHOSPHORIC ACID

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2123785A (en) * 1936-03-02 1938-07-12 Victor Chemical Works Removal of fluorine from phosphoric acid

Also Published As

Publication number Publication date
JPS4811475B1 (en) 1973-04-13
FR1456263A (en) 1966-10-21
DE1287053B (en) 1969-01-16
BE672707A (en) 1966-03-16
FI45315C (en) 1972-05-10
DE1287053C2 (en) 1973-12-20
SE319757B (en) 1970-01-26
DK109385C (en) 1968-04-22
NL6413920A (en) 1966-05-31
FI45315B (en) 1972-01-31
SE319757C (en) 1975-06-12
GB1127247A (en) 1968-09-18

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