BE887113A - Procede de defluoruration de l'acide phosphorique - Google Patents

Procede de defluoruration de l'acide phosphorique

Info

Publication number
BE887113A
BE887113A BE0/203512A BE203512A BE887113A BE 887113 A BE887113 A BE 887113A BE 0/203512 A BE0/203512 A BE 0/203512A BE 203512 A BE203512 A BE 203512A BE 887113 A BE887113 A BE 887113A
Authority
BE
Belgium
Prior art keywords
defluoruration
phosphoric acid
phosphoric
acid
Prior art date
Application number
BE0/203512A
Other languages
English (en)
Original Assignee
Uhde Gmbh
Kali Chemie Ag
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, Kali Chemie Ag filed Critical Uhde Gmbh
Publication of BE887113A publication Critical patent/BE887113A/fr

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)
BE0/203512A 1980-03-13 1981-01-16 Procede de defluoruration de l'acide phosphorique BE887113A (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 (1)

Publication Number Publication Date
BE887113A true BE887113A (fr) 1981-05-14

Family

ID=6097079

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/203512A BE887113A (fr) 1980-03-13 1981-01-16 Procede de defluoruration 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
NL8006691A (nl) 1981-10-01
GB2074994A (en) 1981-11-11
US4347228A (en) 1982-08-31
JPS56169111A (en) 1981-12-25
FR2478062B1 (fr) 1985-10-11
GB2074994B (en) 1983-09-21
MA19094A1 (fr) 1981-10-01
FR2478062A1 (fr) 1981-09-18
DE3009622A1 (de) 1981-09-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: UHDE G.M.B.H.

Effective date: 19880131

Owner name: KALI-CHEMIE A.G.

Effective date: 19880131