ZA753711B - Purification of phosphoric acid - Google Patents

Purification of phosphoric acid

Info

Publication number
ZA753711B
ZA753711B ZA00753711A ZA753711A ZA753711B ZA 753711 B ZA753711 B ZA 753711B ZA 00753711 A ZA00753711 A ZA 00753711A ZA 753711 A ZA753711 A ZA 753711A ZA 753711 B ZA753711 B ZA 753711B
Authority
ZA
South Africa
Prior art keywords
purification
phosphoric acid
phosphoric
acid
Prior art date
Application number
ZA00753711A
Other languages
English (en)
Inventor
W Scheibitz
B Ehlers
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 ZA753711B publication Critical patent/ZA753711B/xx

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
    • C01B25/464—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 an ether or a mixture of ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
ZA00753711A 1974-07-06 1975-06-10 Purification of phosphoric acid ZA753711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2432472A DE2432472C3 (de) 1974-07-06 1974-07-06 Verfahren zur Reinigung von wäßriger Phosphorsäure

Publications (1)

Publication Number Publication Date
ZA753711B true ZA753711B (en) 1976-05-26

Family

ID=5919860

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00753711A ZA753711B (en) 1974-07-06 1975-06-10 Purification of phosphoric acid

Country Status (7)

Country Link
AT (1) AT359975B (cs)
BE (1) BE831000A (cs)
DE (1) DE2432472C3 (cs)
IN (1) IN141742B (cs)
SU (1) SU747411A3 (cs)
TR (1) TR20238A (cs)
ZA (1) ZA753711B (cs)

Families Citing this family (1)

* 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

Also Published As

Publication number Publication date
DE2432472B2 (de) 1978-05-18
BE831000A (fr) 1976-01-05
DE2432472A1 (de) 1976-01-22
IN141742B (cs) 1977-04-09
DE2432472C3 (de) 1979-02-01
ATA516575A (de) 1980-05-15
AT359975B (de) 1980-12-10
SU747411A3 (ru) 1980-07-23
TR20238A (tr) 1980-11-01

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