GB1576367A - Purification of phosphoric acid - Google Patents

Purification of phosphoric acid Download PDF

Info

Publication number
GB1576367A
GB1576367A GB4878777A GB4878777A GB1576367A GB 1576367 A GB1576367 A GB 1576367A GB 4878777 A GB4878777 A GB 4878777A GB 4878777 A GB4878777 A GB 4878777A GB 1576367 A GB1576367 A GB 1576367A
Authority
GB
United Kingdom
Prior art keywords
phosphoric acid
organic
organic solvent
wet process
impurities
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4878777A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co Ltd
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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of GB1576367A publication Critical patent/GB1576367A/en
Expired legal-status Critical Current

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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
GB4878777A 1976-12-27 1977-11-23 Purification of phosphoric acid Expired GB1576367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15634876A JPS5380389A (en) 1976-12-27 1976-12-27 Extractive purification method for wet-process phosphoric acid

Publications (1)

Publication Number Publication Date
GB1576367A true GB1576367A (en) 1980-10-08

Family

ID=15625786

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4878777A Expired GB1576367A (en) 1976-12-27 1977-11-23 Purification of phosphoric acid

Country Status (6)

Country Link
JP (1) JPS5380389A (it)
BE (1) BE862267A (it)
DE (1) DE2753820C3 (it)
FR (1) FR2375143A1 (it)
GB (1) GB1576367A (it)
IT (1) IT1089147B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208389A (en) * 1976-12-27 1980-06-17 Toyo Soda Manufacturing Company, Limited Purification of phosphoric acid
DE2844301C3 (de) * 1978-10-11 1982-03-04 Institute of Nuclear Energy Research Atomic Energy Council, Lung-Tan Verfahren zur Reinigung einer für die Urangewinnung mittels Lösungsmittelextraktion vorgesehenen Naßphosphorsäurelösung
FR2470090B1 (fr) * 1979-11-20 1986-04-04 Rhone Poulenc Chim Base Procede de purification d'un acide phosphorique de voie humide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2065381A1 (de) * 1970-06-16 1973-05-17 Giulini Gmbh Geb Verfahren zur entfernung der organischen verunreinigungen aus rohphosphorsaeure
US3694153A (en) * 1970-10-30 1972-09-26 Audrey E Stern Liquid-liquid extraction process for the purification of phosphoric acid

Also Published As

Publication number Publication date
JPS5426519B2 (it) 1979-09-04
BE862267A (fr) 1978-06-23
IT1089147B (it) 1985-06-18
JPS5380389A (en) 1978-07-15
DE2753820C3 (de) 1981-06-19
DE2753820B2 (de) 1980-07-03
DE2753820A1 (de) 1978-06-29
FR2375143B1 (it) 1981-10-23
FR2375143A1 (fr) 1978-07-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921123