ZA782913B - Defluorination process - Google Patents

Defluorination process

Info

Publication number
ZA782913B
ZA782913B ZA00782913A ZA782913A ZA782913B ZA 782913 B ZA782913 B ZA 782913B ZA 00782913 A ZA00782913 A ZA 00782913A ZA 782913 A ZA782913 A ZA 782913A ZA 782913 B ZA782913 B ZA 782913B
Authority
ZA
South Africa
Prior art keywords
defluorination process
defluorination
Prior art date
Application number
ZA00782913A
Other languages
English (en)
Inventor
J Helgorsky
F Bousquet
A Mamourian
Original Assignee
Rhone Poulenc Ind
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 Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of ZA782913B publication Critical patent/ZA782913B/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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
ZA00782913A 1977-05-23 1978-05-22 Defluorination process ZA782913B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7715623A FR2391954A2 (fr) 1977-05-23 1977-05-23 Procede de purification d'un acide phosphorique de voie humide

Publications (1)

Publication Number Publication Date
ZA782913B true ZA782913B (en) 1979-05-30

Family

ID=9191145

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00782913A ZA782913B (en) 1977-05-23 1978-05-22 Defluorination process

Country Status (4)

Country Link
US (1) US4315899A (xx)
BE (1) BE867331A (xx)
FR (1) FR2391954A2 (xx)
ZA (1) ZA782913B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595560A (en) * 1983-07-16 1986-06-17 Robert Bosch Gmbh Method for sterilizing packaging material and/or packaging apparatus
DE3442142A1 (de) * 1984-11-17 1986-05-22 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von verunreinigungen aus phosphorsaeure
CN115504441B (zh) * 2022-09-14 2023-11-17 云南磷化集团有限公司 一种高效回收精制磷酸氟资源的装置及其方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA600810A (en) * 1960-06-28 E. Tynan Donald Defluorination of phosphoric acid
ES336087A1 (es) * 1966-02-01 1967-12-16 Fmc Corp Procedimiento de purificacion de acido fosforico.
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
GB1296668A (xx) * 1969-03-24 1972-11-15
US4083937A (en) * 1974-07-09 1978-04-11 Toyo Soda Manufacturing Co., Ltd. Process for preparing pure phosphoric acid
JPS516894A (en) * 1974-07-09 1976-01-20 Toyo Soda Mfg Co Ltd Seiseirinsanno seizoho

Also Published As

Publication number Publication date
FR2391954A2 (fr) 1978-12-22
FR2391954B2 (xx) 1983-02-04
BE867331A (fr) 1978-11-22
US4315899A (en) 1982-02-16

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