MA19094A1 - Procede de defluoration de l'acide phosphorique . - Google Patents

Procede de defluoration de l'acide phosphorique .

Info

Publication number
MA19094A1
MA19094A1 MA19300A MA19300A MA19094A1 MA 19094 A1 MA19094 A1 MA 19094A1 MA 19300 A MA19300 A MA 19300A MA 19300 A MA19300 A MA 19300A MA 19094 A1 MA19094 A1 MA 19094A1
Authority
MA
Morocco
Prior art keywords
defluorination
phosphoric acid
phosphoric
acid
Prior art date
Application number
MA19300A
Other languages
English (en)
Original Assignee
U H D E 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 U H D E Gmbh, Kali Chemie Ag filed Critical U H D E Gmbh
Publication of MA19094A1 publication Critical patent/MA19094A1/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)
MA19300A 1980-03-13 1981-03-09 Procede de defluoration de l'acide phosphorique . MA19094A1 (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
MA19094A1 true MA19094A1 (fr) 1981-10-01

Family

ID=6097079

Family Applications (1)

Application Number Title Priority Date Filing Date
MA19300A MA19094A1 (fr) 1980-03-13 1981-03-09 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 (7)

* 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
RU2170700C1 (ru) * 2000-02-22 2001-07-20 Открытое Акционерное Общество "Научно-Исследовательский Институт По Удобрениям И Инсектофунгицидам Им. Проф. Я.В. Самойлова" Способ очистки экстракционной фосфорной кислоты
RU2194667C1 (ru) * 2001-09-18 2002-12-20 Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В.Самойлова" Способ очистки экстракционной фосфорной кислоты
RU2200702C1 (ru) * 2002-01-23 2003-03-20 Ивановский государственный химико-технологический университет Способ получения очищенной фосфорной кислоты
RU2311342C1 (ru) * 2006-05-15 2007-11-27 Открытое акционерное общество "Воскресенский научно-исследовательский институт по удобрениям и фосфорной кислоте" (НИУиФ) Установка для очистки и обесцвечивания экстракционной фосфорной кислоты
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
DE3009622A1 (de) 1981-09-24
FR2478062A1 (fr) 1981-09-18
NL8006691A (nl) 1981-10-01
FR2478062B1 (fr) 1985-10-11
BE887113A (fr) 1981-05-14
GB2074994A (en) 1981-11-11
GB2074994B (en) 1983-09-21
JPS56169111A (en) 1981-12-25
US4347228A (en) 1982-08-31

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