FR2100765B1 - - Google Patents

Info

Publication number
FR2100765B1
FR2100765B1 FR717121320A FR7121320A FR2100765B1 FR 2100765 B1 FR2100765 B1 FR 2100765B1 FR 717121320 A FR717121320 A FR 717121320A FR 7121320 A FR7121320 A FR 7121320A FR 2100765 B1 FR2100765 B1 FR 2100765B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR717121320A
Other versions
FR2100765A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BK Giulini Chemie GmbH
Original Assignee
Giulini Gebrueder GmbH
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 Giulini Gebrueder GmbH filed Critical Giulini Gebrueder GmbH
Publication of FR2100765A1 publication Critical patent/FR2100765A1/fr
Application granted granted Critical
Publication of FR2100765B1 publication Critical patent/FR2100765B1/fr
Expired legal-status Critical Current

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)
FR717121320A 1970-06-16 1971-06-11 Expired FR2100765B1 (fr)

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 (2)

Publication Number Publication Date
FR2100765A1 FR2100765A1 (fr) 1972-03-24
FR2100765B1 true FR2100765B1 (fr) 1973-06-29

Family

ID=5774052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717121320A Expired FR2100765B1 (fr) 1970-06-16 1971-06-11

Country Status (6)

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

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 (fr) 1972-03-24
NL7107806A (fr) 1971-12-20
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

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse