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)
Portuguese (pt)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0131240B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6036313A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8403463A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3325121A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8503627A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL72240A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MA (1) MA20172A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX162910B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PH (1) PH20977A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU (1) SU1438607A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA845329B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* 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
RU2134233C1 (ru) * 1999-01-29 1999-08-10 Открытое акционерное общество "РЕАТЭКС" Способ очистки экстракционной фосфорной кислоты от органических окрашивающих примесей
RU2182884C1 (ru) * 2000-11-16 2002-05-27 Оао "Аммофос" Способ очистки экстракционной фосфорной кислоты, используемой для получения жидких комплексных удобрений
RU2198841C1 (ru) * 2001-10-25 2003-02-20 Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В.Самойлова" Способ обесцвечивания очищенной фосфорной кислоты
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
PH20977A (en) 1987-06-18
EP0131240A3 (en) 1986-07-23
JPS6341848B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-08-19
US4539192A (en) 1985-09-03
JPS6036313A (ja) 1985-02-25
IL72240A (en) 1987-07-31
ES534212A0 (es) 1985-04-01
DE3473753D1 (en) 1988-10-06
MX162910B (es) 1991-07-08
MA20172A1 (fr) 1985-04-01
ZA845329B (en) 1985-03-27
ES8503627A1 (es) 1985-04-01
IL72240A0 (en) 1984-10-31
EP0131240A2 (de) 1985-01-16
DE3325121A1 (de) 1985-01-24
SU1438607A3 (ru) 1988-11-15
EP0131240B1 (de) 1988-08-31

Similar Documents

Publication Publication Date Title
BR8101720A (pt) Processo para a preparacao de acido sulfurico
BR8602915A (pt) Processo para a preparacao de misturas de determinados pares de enantiomeros do ester alfa-ciano-3-fenoxi-4-fluor-benzilico do acido permetrico
BR8402993A (pt) Processo para preparacao de esteres de acido nitrico de compostos de hidroxi organicos
BR8007518A (pt) Processo de purificacao de um acido fosforico de via umida
BR7700886A (pt) Processo para remocao de material organico de acido fosforico extraldo,e acido fosforico assim purificado
BR8200333A (pt) Processo para preparar um diester de acido oxalico
IT1081296B (it) Processo per rigenerare acido solforico
BR8403463A (pt) 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
BR8302618A (pt) Processo para producao de acido propionico
BR8004331A (pt) Processo para purificacao de acido sulfurico residual,a 65 ate 95%,contendo fluoreto,dispositivo para o mesmo,e campanula para o dito dispositivo
BR7700753A (pt) Processo e dispositivo para a preparacao de solucoes alcoolicas de acido fosforico a partir de fosfatos acidos
BR8101515A (pt) Processo para preparar um acido benzeno-monocarboxilico
BR8300349A (pt) Processo para preparar um diester de acido oxalico
BR8301256A (pt) Processo para preparar poliamida
BR8305223A (pt) Sistema e processo para a fabricacao de dispositivos fotovoltaicos
BR8000441A (pt) Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida
BR8304993A (pt) Processo para efetuar a separacao de clorossilanas
BR8900621A (pt) Processo para preparar acido n-fosfono-metil-imino-diacetico
BR8004564A (pt) Triesteres de acido fosforico e processo para sua preparacao
BR8204720A (pt) Processo para a remocao de impurezas organicas de acido fosforico
BR8302326A (pt) Processo para a preparacao de compostos organicos
BR8504757A (pt) Processo para a remocao de impurezas compreendendo nitrilas e as referidas impurezas
IT1147076B (it) Processo per recuperare acido metacrilico
BR8304067A (pt) Processo para extracao de uranio contido em solucoes de acidos fosforicos
BR8100912A (pt) Processo para a preparacao de cloridrato do acido (2-aminotiazol-4-il)-acetico

Legal Events

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