FR2189316A1 - - Google Patents

Info

Publication number
FR2189316A1
FR2189316A1 FR7323032A FR7323032A FR2189316A1 FR 2189316 A1 FR2189316 A1 FR 2189316A1 FR 7323032 A FR7323032 A FR 7323032A FR 7323032 A FR7323032 A FR 7323032A FR 2189316 A1 FR2189316 A1 FR 2189316A1
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.)
Granted
Application number
FR7323032A
Other languages
French (fr)
Other versions
FR2189316B1 (en
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.)
Chemische Fabrik Budenhiem KG
Original Assignee
Chemische Fabrik Budenhiem KG
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 Chemische Fabrik Budenhiem KG filed Critical Chemische Fabrik Budenhiem KG
Publication of FR2189316A1 publication Critical patent/FR2189316A1/fr
Application granted granted Critical
Publication of FR2189316B1 publication Critical patent/FR2189316B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors
    • 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
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • 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
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
FR7323032A 1972-06-19 1973-06-19 Expired FR2189316B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2229602 1972-06-19

Publications (2)

Publication Number Publication Date
FR2189316A1 true FR2189316A1 (en) 1974-01-25
FR2189316B1 FR2189316B1 (en) 1978-07-21

Family

ID=5848004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7323032A Expired FR2189316B1 (en) 1972-06-19 1973-06-19

Country Status (9)

Country Link
JP (1) JPS5310957B2 (en)
BE (1) BE796996A (en)
DE (1) DE2229602B1 (en)
FR (1) FR2189316B1 (en)
GB (1) GB1404546A (en)
IL (1) IL42487A (en)
IT (1) IT982777B (en)
NL (1) NL173627C (en)
SE (1) SE386148B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447348A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433307C3 (en) * 1974-07-11 1984-03-22 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Process for the separation of a phosphoric acid-organic solvent-water mixture
DE2435789C3 (en) * 1974-07-25 1984-06-20 Hoechst Ag, 6230 Frankfurt Process for the purification of phosphoric acid with the help of 3-methoxybutanol
DE2538720C2 (en) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Process for purifying wet process phosphoric acid
JPS55124490U (en) * 1979-02-27 1980-09-03
DE3328499A1 (en) * 1983-08-06 1985-02-14 Hoechst Ag, 6230 Frankfurt METHOD FOR REDUCING THE FLUORINE CONTENT OF A WET PROCESS PHOSPHORIC ACID

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531487A (en) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Improved continuous process for the purification of phosphoric acid by solvents
DE2029564C3 (en) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Process for the production of pure alkali phosphates from rock phosphoric acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447348A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID

Also Published As

Publication number Publication date
GB1404546A (en) 1975-09-03
NL173627B (en) 1983-09-16
JPS4963692A (en) 1974-06-20
NL7304362A (en) 1973-12-21
IL42487A (en) 1977-02-28
FR2189316B1 (en) 1978-07-21
DE2229602B1 (en) 1973-09-27
IL42487A0 (en) 1973-08-29
JPS5310957B2 (en) 1978-04-18
NL173627C (en) 1984-02-16
IT982777B (en) 1974-10-21
BE796996A (en) 1973-07-16
SE386148B (en) 1976-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse