FR2375143A1 - Purification de l'acide phosphorique - Google Patents

Purification de l'acide phosphorique

Info

Publication number
FR2375143A1
FR2375143A1 FR7738449A FR7738449A FR2375143A1 FR 2375143 A1 FR2375143 A1 FR 2375143A1 FR 7738449 A FR7738449 A FR 7738449A FR 7738449 A FR7738449 A FR 7738449A FR 2375143 A1 FR2375143 A1 FR 2375143A1
Authority
FR
France
Prior art keywords
section
organic solvent
phosphoric acid
impurities
organic
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.)
Granted
Application number
FR7738449A
Other languages
English (en)
French (fr)
Other versions
FR2375143B1 (it
Inventor
Yoichi Hiraga
Mitsuo Kikuchi
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 FR2375143A1 publication Critical patent/FR2375143A1/fr
Application granted granted Critical
Publication of FR2375143B1 publication Critical patent/FR2375143B1/fr
Granted 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)
FR7738449A 1976-12-27 1977-12-20 Purification de l'acide phosphorique Granted FR2375143A1 (fr)

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 (2)

Publication Number Publication Date
FR2375143A1 true FR2375143A1 (fr) 1978-07-21
FR2375143B1 FR2375143B1 (it) 1981-10-23

Family

ID=15625786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738449A Granted FR2375143A1 (fr) 1976-12-27 1977-12-20 Purification de l'acide phosphorique

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)

Cited By (2)

* 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
FR2470090A1 (fr) * 1979-11-20 1981-05-29 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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

Cited By (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
FR2470090A1 (fr) * 1979-11-20 1981-05-29 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
EP0030487A1 (fr) * 1979-11-20 1981-06-17 Rhone-Poulenc Chimie Procédé de purification d'un acide phosphorique de voie humide

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
GB1576367A (en) 1980-10-08
DE2753820B2 (de) 1980-07-03
DE2753820A1 (de) 1978-06-29
FR2375143B1 (it) 1981-10-23

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Legal Events

Date Code Title Description
ST Notification of lapse