TR20238A - PHOSPHORIC ACID CLEANING PROCEDURE - Google Patents

PHOSPHORIC ACID CLEANING PROCEDURE

Info

Publication number
TR20238A
TR20238A TR20238A TR2023875A TR20238A TR 20238 A TR20238 A TR 20238A TR 20238 A TR20238 A TR 20238A TR 2023875 A TR2023875 A TR 2023875A TR 20238 A TR20238 A TR 20238A
Authority
TR
Turkey
Prior art keywords
phosphoric acid
acid cleaning
cleaning procedure
procedure
phosphoric
Prior art date
Application number
TR20238A
Other languages
Turkish (tr)
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 TR20238A publication Critical patent/TR20238A/en

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)
TR20238A 1974-07-06 1975-06-20 PHOSPHORIC ACID CLEANING PROCEDURE TR20238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2432472A DE2432472C3 (en) 1974-07-06 1974-07-06 Process for purifying aqueous phosphoric acid

Publications (1)

Publication Number Publication Date
TR20238A true TR20238A (en) 1980-11-01

Family

ID=5919860

Family Applications (1)

Application Number Title Priority Date Filing Date
TR20238A TR20238A (en) 1974-07-06 1975-06-20 PHOSPHORIC ACID CLEANING PROCEDURE

Country Status (7)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447348A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID

Also Published As

Publication number Publication date
ZA753711B (en) 1976-05-26
BE831000A (en) 1976-01-05
AT359975B (en) 1980-12-10
IN141742B (en) 1977-04-09
DE2432472A1 (en) 1976-01-22
ATA516575A (en) 1980-05-15
SU747411A3 (en) 1980-07-23
DE2432472B2 (en) 1978-05-18
DE2432472C3 (en) 1979-02-01

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