BE773270A - Procede pour eliminer les impuretes cationiques de l'acide phosphoriqueet produits obtenus - Google Patents

Procede pour eliminer les impuretes cationiques de l'acide phosphoriqueet produits obtenus

Info

Publication number
BE773270A
BE773270A BE773270A BE773270A BE773270A BE 773270 A BE773270 A BE 773270A BE 773270 A BE773270 A BE 773270A BE 773270 A BE773270 A BE 773270A BE 773270 A BE773270 A BE 773270A
Authority
BE
Belgium
Prior art keywords
phosphoric acid
products obtained
cationic impurities
removing cationic
impurities
Prior art date
Application number
BE773270A
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
Publication of BE773270A publication Critical patent/BE773270A/fr

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
BE773270A 1970-10-14 1971-09-29 Procede pour eliminer les impuretes cationiques de l'acide phosphoriqueet produits obtenus BE773270A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2050406A DE2050406C3 (de) 1970-10-14 1970-10-14 Verfahren zur Reinigung von technischer Phosporsäure

Publications (1)

Publication Number Publication Date
BE773270A true BE773270A (fr) 1972-01-17

Family

ID=5785087

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773270A BE773270A (fr) 1970-10-14 1971-09-29 Procede pour eliminer les impuretes cationiques de l'acide phosphoriqueet produits obtenus

Country Status (7)

Country Link
US (1) US3764657A (fr)
BE (1) BE773270A (fr)
DE (1) DE2050406C3 (fr)
FR (1) FR2109862A5 (fr)
GB (1) GB1337669A (fr)
NL (1) NL7113610A (fr)
SE (1) SE361027B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207303A (en) * 1977-08-29 1980-06-10 Chisso Corporation Method for producing pure phosphoric acid

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321751C3 (de) * 1973-04-30 1981-11-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßphosphorsäure
US4018869A (en) * 1973-06-06 1977-04-19 Chemische Fabrik Budenheim Rudolf A. Oetker Process for the extractive purification of phosphoric acid containing cationic impurities
US3975178A (en) * 1973-10-12 1976-08-17 Tennessee Valley Authority Purification of wet-process phosphoric acid with methanol and ammonia
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
GB1493999A (en) * 1974-07-06 1977-12-07 Hoechst Ag Purification of phosphoric acid
JPS5197596A (ja) * 1975-02-24 1976-08-27 Fujunrinsanekiseiseihoho
UST952002I4 (fr) * 1975-08-29 1976-11-02
DE3065736D1 (en) * 1979-01-25 1984-01-05 Stamicarbon Process for recovering a uranium-containing concentrate and purified phosphoric acid from wet-process phosphoric acid, and products thus obtained
US4551320A (en) * 1984-10-12 1985-11-05 Fmc Corporation Treatment of concentrated phosphoric acid
US4877594A (en) * 1988-12-13 1989-10-31 J. R. Simplot Co. Purification of phosphoric acid
KR20160031617A (ko) * 2014-09-12 2016-03-23 삼성디스플레이 주식회사 폐액 내의 은 이온 및 인산 회수 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929441A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining orthophosphoric acid and/or conversion product thereof
GB464370A (en) * 1935-04-30 1937-04-16 Pulverfabrik Skodawerke Wetzle Improvements in and relating to processes for the purification of crude phosphoric acid
DE1289036B (de) * 1967-02-10 1969-02-13 Kloeckner Humboldt Deutz Ag Verfahren zur Reinigung einer Phosphorsaeure-Aufschlussloesung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207303A (en) * 1977-08-29 1980-06-10 Chisso Corporation Method for producing pure phosphoric acid

Also Published As

Publication number Publication date
SE361027B (fr) 1973-10-15
DE2050406A1 (de) 1972-04-20
DE2050406C3 (de) 1978-04-06
FR2109862A5 (fr) 1972-05-26
GB1337669A (en) 1973-11-21
US3764657A (en) 1973-10-09
NL7113610A (fr) 1972-04-18
DE2050406B2 (de) 1973-02-22

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