BR8403463A - Processo e dispositivo para a separacao de impurezas constituidas de fluor e de compostos organicos do acido fosforico em processo a umida e dispositivo para a execucao do processo - Google Patents

Processo e dispositivo para a separacao de impurezas constituidas de fluor e de compostos organicos do acido fosforico em processo a umida e dispositivo para a execucao do processo

Info

Publication number
BR8403463A
BR8403463A BR8403463A BR8403463A BR8403463A BR 8403463 A BR8403463 A BR 8403463A BR 8403463 A BR8403463 A BR 8403463A BR 8403463 A BR8403463 A BR 8403463A BR 8403463 A BR8403463 A BR 8403463A
Authority
BR
Brazil
Prior art keywords
fluor
separation
performance
phosphoric acid
organic compounds
Prior art date
Application number
BR8403463A
Other languages
English (en)
Inventor
Gunther Schirmel
Reinhard Gradl
Gero Heymer
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of BR8403463A publication Critical patent/BR8403463A/pt

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
    • 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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/237—Selective elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
BR8403463A 1983-07-12 1984-07-11 Processo e dispositivo para a separacao de impurezas constituidas de fluor e de compostos organicos do acido fosforico em processo a umida e dispositivo para a execucao do processo BR8403463A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833325121 DE3325121A1 (de) 1983-07-12 1983-07-12 Verfahren und vorrichtung zur entfernung von fluor und organischen verbindungen aus vorgefertigter nassverfahrensphosphorsaeure

Publications (1)

Publication Number Publication Date
BR8403463A true BR8403463A (pt) 1985-06-25

Family

ID=6203789

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8403463A BR8403463A (pt) 1983-07-12 1984-07-11 Processo e dispositivo para a separacao de impurezas constituidas de fluor e de compostos organicos do acido fosforico em processo a umida e dispositivo para a execucao do processo

Country Status (12)

Country Link
US (1) US4539192A (pt)
EP (1) EP0131240B1 (pt)
JP (1) JPS6036313A (pt)
BR (1) BR8403463A (pt)
DE (2) DE3325121A1 (pt)
ES (1) ES534212A0 (pt)
IL (1) IL72240A (pt)
MA (1) MA20172A1 (pt)
MX (1) MX162910B (pt)
PH (1) PH20977A (pt)
SU (1) SU1438607A3 (pt)
ZA (1) ZA845329B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442142A1 (de) * 1984-11-17 1986-05-22 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von verunreinigungen aus phosphorsaeure
DE3806822A1 (de) * 1988-03-03 1989-09-14 Hoechst Ag Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure
TWI257915B (en) * 2004-06-29 2006-07-11 Yung-Hsiung Hsu Processes for purifying phosphoric acid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2165100A (en) * 1936-08-28 1939-07-04 Virginia Chemical Corp Process for purifying phosphoric acid
CA1109635A (en) * 1977-05-23 1981-09-29 Armand Mamourian Purifying and defluorinating impure phosphoric acid
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
DE2910711A1 (de) * 1979-03-19 1980-10-02 Hoechst Ag Verfahren zur entfernung von verunreinigungen organischer art aus phosphorsaeure
DE3131847A1 (de) * 1981-08-12 1983-03-17 Hoechst Ag, 6000 Frankfurt Verfahren zur entfernung von organischen verunreinigungen aus phosphorsaeure
US4457899A (en) * 1981-11-23 1984-07-03 Mobil Oil Corporation Process for removal of residual organic matter from purified phosphoric acid

Also Published As

Publication number Publication date
IL72240A (en) 1987-07-31
JPS6036313A (ja) 1985-02-25
MA20172A1 (fr) 1985-04-01
ZA845329B (en) 1985-03-27
MX162910B (es) 1991-07-08
US4539192A (en) 1985-09-03
ES8503627A1 (es) 1985-04-01
PH20977A (en) 1987-06-18
IL72240A0 (en) 1984-10-31
DE3325121A1 (de) 1985-01-24
DE3473753D1 (en) 1988-10-06
EP0131240A2 (de) 1985-01-16
SU1438607A3 (ru) 1988-11-15
JPS6341848B2 (pt) 1988-08-19
ES534212A0 (es) 1985-04-01
EP0131240A3 (en) 1986-07-23
EP0131240B1 (de) 1988-08-31

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)