FR2478062B1 - Procede de defluoration de l'acide phosphorique - Google Patents

Procede de defluoration de l'acide phosphorique

Info

Publication number
FR2478062B1
FR2478062B1 FR8105048A FR8105048A FR2478062B1 FR 2478062 B1 FR2478062 B1 FR 2478062B1 FR 8105048 A FR8105048 A FR 8105048A FR 8105048 A FR8105048 A FR 8105048A FR 2478062 B1 FR2478062 B1 FR 2478062B1
Authority
FR
France
Prior art keywords
defluorination
phosphoric acid
phosphoric
acid
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
FR8105048A
Other languages
English (en)
Other versions
FR2478062A1 (fr
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Uhde GmbH
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 Uhde GmbH filed Critical Uhde GmbH
Publication of FR2478062A1 publication Critical patent/FR2478062A1/fr
Application granted granted Critical
Publication of FR2478062B1 publication Critical patent/FR2478062B1/fr
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
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Glass Compositions (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR8105048A 1980-03-13 1981-03-13 Procede de defluoration de l'acide phosphorique Expired FR2478062B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803009622 DE3009622A1 (de) 1980-03-13 1980-03-13 Entfluorierungsverfahren von phosphorsaeure

Publications (2)

Publication Number Publication Date
FR2478062A1 FR2478062A1 (fr) 1981-09-18
FR2478062B1 true FR2478062B1 (fr) 1985-10-11

Family

ID=6097079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105048A Expired FR2478062B1 (fr) 1980-03-13 1981-03-13 Procede de defluoration de l'acide phosphorique

Country Status (8)

Country Link
US (1) US4347228A (fr)
JP (1) JPS56169111A (fr)
BE (1) BE887113A (fr)
DE (1) DE3009622A1 (fr)
FR (1) FR2478062B1 (fr)
GB (1) GB2074994B (fr)
MA (1) MA19094A1 (fr)
NL (1) NL8006691A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913853A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur aufarbeitung von phosphorsaeure
US5002744A (en) * 1990-05-11 1991-03-26 Imc Fertilizer, Inc. Method for defluorinating wet process phosphoric acid
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2123785A (en) * 1936-03-02 1938-07-12 Victor Chemical Works Removal of fluorine from phosphoric acid
US2132349A (en) * 1937-01-02 1938-10-04 Monsanto Chemicals Treatment of phosphoric acid to remove fluorine
US2987376A (en) * 1956-12-27 1961-06-06 Int Minerals & Chem Corp Method for defluorination of phosphoric acid
US3151941A (en) * 1960-05-02 1964-10-06 Smith Douglass Company Inc Defluorination of peosphoric acid
US3193351A (en) * 1961-07-05 1965-07-06 Nat Distillers Chem Corp Removal of fluorine from wet process prosphoric acid

Also Published As

Publication number Publication date
JPS56169111A (en) 1981-12-25
GB2074994B (en) 1983-09-21
DE3009622A1 (de) 1981-09-24
BE887113A (fr) 1981-05-14
NL8006691A (nl) 1981-10-01
US4347228A (en) 1982-08-31
GB2074994A (en) 1981-11-11
MA19094A1 (fr) 1981-10-01
FR2478062A1 (fr) 1981-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse