NL7107806A - - Google Patents

Info

Publication number
NL7107806A
NL7107806A NL7107806A NL7107806A NL7107806A NL 7107806 A NL7107806 A NL 7107806A NL 7107806 A NL7107806 A NL 7107806A NL 7107806 A NL7107806 A NL 7107806A NL 7107806 A NL7107806 A NL 7107806A
Authority
NL
Netherlands
Application number
NL7107806A
Other versions
NL172227C (nl
NL172227B (nl
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 NL7107806A publication Critical patent/NL7107806A/xx
Publication of NL172227B publication Critical patent/NL172227B/xx
Application granted granted Critical
Publication of NL172227C publication Critical patent/NL172227C/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)
  • Extraction Or Liquid Replacement (AREA)
NLAANVRAGE7107806,A 1970-06-16 1971-06-08 Werkwijze voor de bereiding van zuivere alkalimetaal fosfaten uit ruw fosforzuur. NL172227C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2029564A DE2029564C3 (de) 1970-06-16 1970-06-16 Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure

Publications (3)

Publication Number Publication Date
NL7107806A true NL7107806A (sv) 1971-12-20
NL172227B NL172227B (nl) 1983-03-01
NL172227C NL172227C (nl) 1983-08-01

Family

ID=5774052

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7107806,A NL172227C (nl) 1970-06-16 1971-06-08 Werkwijze voor de bereiding van zuivere alkalimetaal fosfaten uit ruw fosforzuur.

Country Status (6)

Country Link
US (1) US3872215A (sv)
BE (1) BE768510A (sv)
DE (1) DE2029564C3 (sv)
FR (1) FR2100765B1 (sv)
GB (1) GB1350293A (sv)
NL (1) NL172227C (sv)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2229602B1 (de) * 1972-06-19 1973-09-27 Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim Verfahren zur Reinigung von technischer Phosphorsaure
DE2321751C3 (de) * 1973-04-30 1981-11-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßphosphorsäure
US4018869A (en) * 1973-06-06 1977-04-19 Chemische Fabrik Budenheim Rudolf A. Oetker Process for the extractive purification of phosphoric acid containing cationic impurities
DE2433307C3 (de) * 1974-07-11 1984-03-22 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur Abtrennung eines Phosphorsäure-organisches Lösungsmittel-Wasser-Gemisches
GB1560984A (en) * 1975-08-05 1980-02-13 Albright & Wilson Process for preparing phosphate salts
US3993733A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Food grade alkali metal phosphates from wet process H3 PO4
US4053561A (en) * 1975-08-14 1977-10-11 Stauffer Chemical Company Removal of fluorine from phosphatic solutions
US3993736A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Food grade phosphoric acid from wet process acid
US3993735A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Cleanup of wet process phosphoric acid
DE2538720C2 (de) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE2605106C2 (de) * 1976-02-10 1984-06-14 Hoechst Ag, 6230 Frankfurt Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten
US4203956A (en) * 1976-02-10 1980-05-20 Hoechst Aktiengesellschaft Process and apparatus for recovering alcoholic phosphoric acid solutions from acid phosphates
ZA774159B (en) * 1977-10-27 1978-07-26 Albright & Wilson Process for preparing phosphate salts
IL52756A0 (en) * 1976-09-10 1977-10-31 Westinghouse Electric Corp Recovery of uranium from wet process phosphoric acid
DE2657190C2 (de) * 1976-12-17 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßverfahrensphosphorsäure
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur
US4297334A (en) * 1979-02-21 1981-10-27 Calgon Corporation Process for removing color bodies from brown phosphoric acid
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
US4407725A (en) * 1980-08-21 1983-10-04 International Minerals & Chemical Corp. Regeneration of activated carbon
JPS5933527B2 (ja) * 1980-11-29 1984-08-16 東ソー株式会社 リン酸の溶媒抽出法
FR2499539B1 (fr) * 1981-02-11 1986-02-14 Rhone Poulenc Chim Base Procede de traitement d'un acide phosphorique de voie humide
DE3413020A1 (de) * 1984-04-06 1985-10-17 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung einer alkaliphosphatloesung
US4704262A (en) * 1986-01-14 1987-11-03 Advanced Separation Technologies Incorporated Process for production of dialkali metal phosphates by ion exchange
US4751066A (en) * 1986-05-08 1988-06-14 Fmc Corporation Process for preparing alkali metal phosphate
US4780295A (en) * 1987-07-06 1988-10-25 Fmc Corporation Process for purifying phosphoric acid
DE19703884C2 (de) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure
IL211043A0 (en) * 2010-02-06 2011-04-28 Aharon Eyal A method for the separation of a non-volatile strong acid from a salt thereof and compositions produced thereby

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929443A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining alkali metal phosphates
US2885265A (en) * 1955-06-21 1959-05-05 Horizons Inc Process for producing substantially pure orthophosphoric acid
US3375068A (en) * 1965-03-01 1968-03-26 St Paul Ammonia Products Inc Phosphoric acid extraction
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery

Also Published As

Publication number Publication date
DE2029564B2 (de) 1974-01-03
NL172227C (nl) 1983-08-01
DE2029564C3 (de) 1978-06-22
FR2100765A1 (sv) 1972-03-24
GB1350293A (en) 1974-04-18
US3872215A (en) 1975-03-18
NL172227B (nl) 1983-03-01
DE2029564A1 (de) 1971-12-23
BE768510A (fr) 1971-11-03
FR2100765B1 (sv) 1973-06-29

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Legal Events

Date Code Title Description
V2 Lapsed due to non-payment of the last due maintenance fee for the patent application