DE2229602B1 - Verfahren zur Reinigung von technischer Phosphorsaure - Google Patents

Verfahren zur Reinigung von technischer Phosphorsaure

Info

Publication number
DE2229602B1
DE2229602B1 DE2229602A DE2229602DA DE2229602B1 DE 2229602 B1 DE2229602 B1 DE 2229602B1 DE 2229602 A DE2229602 A DE 2229602A DE 2229602D A DE2229602D A DE 2229602DA DE 2229602 B1 DE2229602 B1 DE 2229602B1
Authority
DE
Germany
Prior art keywords
phosphoric acid
acid
alkali
phase
organic
Prior art date
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.)
Pending
Application number
DE2229602A
Other languages
German (de)
English (en)
Inventor
Klaus Dr. 6501 Budenheim Beltz
Klaus Dr. 6251 Huenfeldenkirberg Frankenfeld
Karl 6501 Budenheim Goetzmann
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 DE2229602B1 publication Critical patent/DE2229602B1/de
Pending 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)
DE2229602A 1972-06-19 1972-06-19 Verfahren zur Reinigung von technischer Phosphorsaure Pending DE2229602B1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2229602B1 true DE2229602B1 (de) 1973-09-27

Family

ID=5848004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2229602A Pending DE2229602B1 (de) 1972-06-19 1972-06-19 Verfahren zur Reinigung von technischer Phosphorsaure

Country Status (9)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433307A1 (de) * 1974-07-11 1976-01-29 Budenheim Rud A Oetker Chemie Verfahren zur trennung von phosphorsaeure-loesungsmittel-wasser-gemischen
DE2435789A1 (de) * 1974-07-25 1976-02-12 Hoechst Ag Verfahren zur reinigung von phosphorsaeure mit hilfe eines organischen loesungsmittels
DE2538720A1 (de) * 1975-08-30 1977-03-10 Giulini Gmbh Geb Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung
EP0133490A2 (fr) * 1983-08-06 1985-02-27 Hoechst Aktiengesellschaft Procédé pour réduire la teneur en fluor d'un acide phosphorique préparé par voie humide

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur
JPS55124490U (fr) * 1979-02-27 1980-09-03

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433307A1 (de) * 1974-07-11 1976-01-29 Budenheim Rud A Oetker Chemie Verfahren zur trennung von phosphorsaeure-loesungsmittel-wasser-gemischen
DE2435789A1 (de) * 1974-07-25 1976-02-12 Hoechst Ag Verfahren zur reinigung von phosphorsaeure mit hilfe eines organischen loesungsmittels
DE2538720A1 (de) * 1975-08-30 1977-03-10 Giulini Gmbh Geb Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung
EP0133490A2 (fr) * 1983-08-06 1985-02-27 Hoechst Aktiengesellschaft Procédé pour réduire la teneur en fluor d'un acide phosphorique préparé par voie humide
EP0133490A3 (en) * 1983-08-06 1985-06-05 Hoechst Aktiengesellschaft Method of removing fluorine from wet process phosphoric acid

Also Published As

Publication number Publication date
GB1404546A (en) 1975-09-03
JPS5310957B2 (fr) 1978-04-18
IL42487A (en) 1977-02-28
NL173627B (nl) 1983-09-16
BE796996A (fr) 1973-07-16
NL7304362A (fr) 1973-12-21
FR2189316A1 (fr) 1974-01-25
NL173627C (nl) 1984-02-16
IL42487A0 (en) 1973-08-29
JPS4963692A (fr) 1974-06-20
IT982777B (it) 1974-10-21
SE386148B (sv) 1976-08-02
FR2189316B1 (fr) 1978-07-21

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Legal Events

Date Code Title Description
B1 Publication of the examined application without previous publication of unexamined application