SU747411A3 - Способ считки фосфорной кислоты - Google Patents

Способ считки фосфорной кислоты Download PDF

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Publication number
SU747411A3
SU747411A3 SU752151508A SU2151508A SU747411A3 SU 747411 A3 SU747411 A3 SU 747411A3 SU 752151508 A SU752151508 A SU 752151508A SU 2151508 A SU2151508 A SU 2151508A SU 747411 A3 SU747411 A3 SU 747411A3
Authority
SU
USSR - Soviet Union
Prior art keywords
phosphoric acid
solvent
h3po4
water
phosphoric
Prior art date
Application number
SU752151508A
Other languages
English (en)
Russian (ru)
Inventor
Войтех Бернард
Элерс Клаус-Петер
Шайбистс Вольфганг
Original Assignee
Хехст Аг (Фирма)
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 Хехст Аг (Фирма) filed Critical Хехст Аг (Фирма)
Application granted granted Critical
Publication of SU747411A3 publication Critical patent/SU747411A3/ru

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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)
SU752151508A 1974-07-06 1975-07-04 Способ считки фосфорной кислоты SU747411A3 (ru)

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
SU747411A3 true SU747411A3 (ru) 1980-07-23

Family

ID=5919860

Family Applications (1)

Application Number Title Priority Date Filing Date
SU752151508A SU747411A3 (ru) 1974-07-06 1975-07-04 Способ считки фосфорной кислоты

Country Status (7)

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

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
DE2432472C3 (de) 1979-02-01
ATA516575A (de) 1980-05-15
BE831000A (fr) 1976-01-05
AT359975B (de) 1980-12-10
TR20238A (tr) 1980-11-01
IN141742B (tr) 1977-04-09
DE2432472B2 (de) 1978-05-18
ZA753711B (en) 1976-05-26
DE2432472A1 (de) 1976-01-22

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