DK109385C - Process for removing flour from phosphoric acid. - Google Patents

Process for removing flour from phosphoric acid.

Info

Publication number
DK109385C
DK109385C DK610865A DK610865A DK109385C DK 109385 C DK109385 C DK 109385C DK 610865 A DK610865 A DK 610865A DK 610865 A DK610865 A DK 610865A DK 109385 C DK109385 C DK 109385C
Authority
DK
Denmark
Prior art keywords
phosphoric acid
removing flour
flour
phosphoric
acid
Prior art date
Application number
DK610865A
Other languages
Danish (da)
Original Assignee
Eerste Nl Cooeperatieve Kunstm
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 Eerste Nl Cooeperatieve Kunstm filed Critical Eerste Nl Cooeperatieve Kunstm
Application granted granted Critical
Publication of DK109385C publication Critical patent/DK109385C/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
DK610865A 1964-11-30 1965-11-27 Process for removing flour from phosphoric acid. DK109385C (en)

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 (1)

Publication Number Publication Date
DK109385C true DK109385C (en) 1968-04-22

Family

ID=19791540

Family Applications (1)

Application Number Title Priority Date Filing Date
DK610865A DK109385C (en) 1964-11-30 1965-11-27 Process for removing flour 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
DE1287053C2 (en) 1973-12-20
SE319757C (en) 1975-06-12
SE319757B (en) 1970-01-26
BE672707A (en) 1966-03-16
DE1287053B (en) 1969-01-16
GB1127247A (en) 1968-09-18
FI45315B (en) 1972-01-31
FR1456263A (en) 1966-10-21
NL151045B (en) 1976-10-15
JPS4811475B1 (en) 1973-04-13
FI45315C (en) 1972-05-10
NL6413920A (en) 1966-05-31

Similar Documents

Publication Publication Date Title
DK108207C (en) Process for the production of acid phytase.
DK112162B (en) Process for removing pyrogens from a pyrogen-containing purified solution of urokinase.
DK115704B (en) Process for the preparation of 2-aryl-nitroimidazole compounds.
DK111113B (en) Process for the preparation of 3-methylflavone-8-carboxylic acid.
DK122874B (en) Process for removing hexafluorobutenes from thereby contaminated 2,2,2-trifluoro-1-chloro-1-bromoethane.
DK113435B (en) Process for the preparation of 5-nitro-imidazole compounds.
DK112383B (en) Process for the preparation of nicotinic acid esters.
DK129335B (en) Process for removing inhibitors from ethylenically unsaturated monomers.
DK118018B (en) Process for the preparation of diorganoantimon compounds.
DK109385C (en) Process for removing flour from phosphoric acid.
DK118019B (en) Process for the preparation of diorganoantimon compounds.
DK112941B (en) Process for the continuous preparation of o-phthalic acid diesters.
NL151320B (en) METHOD FOR PURIFYING PHOSPHORIC ACID.
DK106913C (en) Process for purifying hexamethylenediamine.
DK116513B (en) Analogous process for the preparation of substituted o-phenoxy-phenyl esters.
DK115406B (en) Process for the preparation of tetrazole derivatives.
DK109671C (en) Process for the production of stock-resistant hops.
DK116275B (en) Process for concentrating phosphoric acid.
DK136644B (en) Process for the preparation of 1-p-chlorobenzoyl-2-methyl-3-indolyl-acetic acid compounds.
DK114274B (en) Process for isolating dodecylaminopropylamino acids from aqueous solutions.
DK114980B (en) Process for the preparation of sulfamylanthranilic acid amides.
DK120085B (en) Process for the preparation of mitosane compounds.
DK122071B (en) Analogous process for the preparation of methylenebutyrylphenols.
DK113219B (en) Process for the preparation of phosphoric acid alkylamides.
DK115789B (en) Process for the preparation of carboxyalkylvanvan sulfuric acid esters.