IT982777B - Procedimento per la purificazione di acido fosforico commerciale mediante estrazione - Google Patents

Procedimento per la purificazione di acido fosforico commerciale mediante estrazione

Info

Publication number
IT982777B
IT982777B IT23054/73A IT2305473A IT982777B IT 982777 B IT982777 B IT 982777B IT 23054/73 A IT23054/73 A IT 23054/73A IT 2305473 A IT2305473 A IT 2305473A IT 982777 B IT982777 B IT 982777B
Authority
IT
Italy
Prior art keywords
purification
extraction
procedure
phosphoric acid
commercial phosphoric
Prior art date
Application number
IT23054/73A
Other languages
English (en)
Original Assignee
Budenheim Rud A Oetker Chemie
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 Budenheim Rud A Oetker Chemie filed Critical Budenheim Rud A Oetker Chemie
Application granted granted Critical
Publication of IT982777B publication Critical patent/IT982777B/it

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)
IT23054/73A 1972-06-19 1973-04-16 Procedimento per la purificazione di acido fosforico commerciale mediante estrazione IT982777B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT982777B true IT982777B (it) 1974-10-21

Family

ID=5848004

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23054/73A IT982777B (it) 1972-06-19 1973-04-16 Procedimento per la purificazione di acido fosforico commerciale mediante estrazione

Country Status (9)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2435789C3 (de) * 1974-07-25 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur Reinigung von Phosphorsäure mit Hilfe von 3-Methoxybutanol
DE2538720C2 (de) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Reinigung von Naßverfahrensphosphorsäure
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur
JPS55124490U (it) * 1979-02-27 1980-09-03
DE3328499A1 (de) * 1983-08-06 1985-02-14 Hoechst Ag, 6230 Frankfurt Verfahren zur verminderung des fluorgehaltes einer nassverfahrensphosphorsaeure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
DE2029564C3 (de) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure

Also Published As

Publication number Publication date
FR2189316B1 (it) 1978-07-21
JPS4963692A (it) 1974-06-20
IL42487A0 (en) 1973-08-29
IL42487A (en) 1977-02-28
NL173627C (nl) 1984-02-16
BE796996A (fr) 1973-07-16
SE386148B (sv) 1976-08-02
NL7304362A (it) 1973-12-21
FR2189316A1 (it) 1974-01-25
NL173627B (nl) 1983-09-16
JPS5310957B2 (it) 1978-04-18
DE2229602B1 (de) 1973-09-27
GB1404546A (en) 1975-09-03

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