ES8503627A1 - Procedimiento y dispositivo para la eliminacion de impurezas, que constan de fluor y compuestos organicos, a partir de acido fosforico de procedimiento en humedo - Google Patents

Procedimiento y dispositivo para la eliminacion de impurezas, que constan de fluor y compuestos organicos, a partir de acido fosforico de procedimiento en humedo

Info

Publication number
ES8503627A1
ES8503627A1 ES534212A ES534212A ES8503627A1 ES 8503627 A1 ES8503627 A1 ES 8503627A1 ES 534212 A ES534212 A ES 534212A ES 534212 A ES534212 A ES 534212A ES 8503627 A1 ES8503627 A1 ES 8503627A1
Authority
ES
Spain
Prior art keywords
phosphoric acid
organic compounds
acid
removing fluorine
purified wet
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.)
Expired
Application number
ES534212A
Other languages
English (en)
Other versions
ES534212A0 (es
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.)
Hoechst AG
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 ES8503627A1 publication Critical patent/ES8503627A1/es
Publication of ES534212A0 publication Critical patent/ES534212A0/es
Granted 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
    • 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)

Abstract

PROCEDIMIENTO PARA ELIMINAR IMPUREZAS.A PARTIR DE ACIDO FOSFORICO SE ELIMINAN EN UNA UNICA ETAPA IMPUREZAS CONSISTENTES EN FLUOR Y COMPUESTOS ORGANICOS, INTRODUCIENDOSE EL ACIDO EN LA PARTE SUPERIOR DE UN RECIPIENTE CERRADO, TRATANDOSELO ALLI A TEMPERATURAS Y PRESIONES ELEVADAS EN CONTRACORRIENTE CON VAPOR, Y HACIENDOSE REACCIONAR CON PEROXIDO DE HIDROGENO EL ACIDO TRATADO EN LA PARTE INFERIOR DEL RECIPIENTE.
ES534212A 1983-07-12 1984-07-11 Procedimiento y dispositivo para la eliminacion de impurezas, que constan de fluor y compuestos organicos, a partir de acido fosforico de procedimiento en humedo Granted ES534212A0 (es)

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 (2)

Publication Number Publication Date
ES8503627A1 true ES8503627A1 (es) 1985-04-01
ES534212A0 ES534212A0 (es) 1985-04-01

Family

ID=6203789

Family Applications (1)

Application Number Title Priority Date Filing Date
ES534212A Granted ES534212A0 (es) 1983-07-12 1984-07-11 Procedimiento y dispositivo para la eliminacion de impurezas, que constan de fluor y compuestos organicos, a partir de acido fosforico de procedimiento en humedo

Country Status (12)

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

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
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 (es) 1988-08-19
ES534212A0 (es) 1985-04-01
BR8403463A (pt) 1985-06-25
EP0131240A3 (en) 1986-07-23
EP0131240B1 (de) 1988-08-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203