ES8102985A1 - Procedimiento para la desfluoracion de acido fosforico - Google Patents

Procedimiento para la desfluoracion de acido fosforico

Info

Publication number
ES8102985A1
ES8102985A1 ES493017A ES493017A ES8102985A1 ES 8102985 A1 ES8102985 A1 ES 8102985A1 ES 493017 A ES493017 A ES 493017A ES 493017 A ES493017 A ES 493017A ES 8102985 A1 ES8102985 A1 ES 8102985A1
Authority
ES
Spain
Prior art keywords
phosphoric acid
defluorination
angstrom
silica gel
sio2
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
ES493017A
Other languages
English (en)
Other versions
ES493017A0 (es
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 ES493017A0 publication Critical patent/ES493017A0/es
Publication of ES8102985A1 publication Critical patent/ES8102985A1/es
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)
  • Treating Waste Gases (AREA)

Abstract

PROCEDIMIENTO PARA LA DESFLUORACION DE ACIDO FOSFORICO MEDIANTE ADICION DE GEL DE SILICE POROSO ACTIVO. SE SOMETE AL ACIDO FOSFORICO DE PARTIDA, OPCIONALMENTE OBTENIDO POR VIA HUMEDA, A UN TRATAMIENTO DE CONCENTRACION, PREFERIBLEMENTE POR EVAPORACION; A CONTINUACION SE LE AÑADE UN GEL DE SILICE, PUDIENDO SEPARARSE POSTERIORMENTE EL ACIDO FOSFORICO DESFLUORADO RESULTANTE. EL DIAMETRO MEDIO DE LOS POROS DEL GEL ESTA COMPRENDIDO ENTRE 00,005 MICROIMETROS Y 0,1 MICROMETROS. T
ES493017A 1979-09-26 1980-07-02 Procedimiento para la desfluoracion de acido fosforico Expired ES8102985A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792938850 DE2938850B1 (de) 1979-09-26 1979-09-26 Verfahren zur Entfluorierung von Phosphorsaeure

Publications (2)

Publication Number Publication Date
ES493017A0 ES493017A0 (es) 1981-02-16
ES8102985A1 true ES8102985A1 (es) 1981-02-16

Family

ID=6081830

Family Applications (1)

Application Number Title Priority Date Filing Date
ES493017A Expired ES8102985A1 (es) 1979-09-26 1980-07-02 Procedimiento para la desfluoracion de acido fosforico

Country Status (5)

Country Link
EP (1) EP0026259A1 (es)
JP (1) JPS5654214A (es)
DE (1) DE2938850B1 (es)
ES (1) ES8102985A1 (es)
MA (1) MA18951A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190444U (ja) * 1983-06-03 1984-12-17 本田技研工業株式会社 中子造型機

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD30306A (es) *
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
US2977196A (en) * 1955-07-01 1961-03-28 Int Minerals & Chem Corp Defluorination method
DE1148531B (de) * 1960-05-25 1963-05-16 Int Minerals & Chem Corp Verfahren zum Entfluorieren fluorhaltiger, saurer phosphathaltiger Loesungen
US3193351A (en) * 1961-07-05 1965-07-06 Nat Distillers Chem Corp Removal of fluorine from wet process prosphoric acid
US3718729A (en) * 1971-03-15 1973-02-27 American Cyanamid Co Defluorination of wet process phosphoric acid
US3917721A (en) * 1973-12-17 1975-11-04 Nat Distillers Chem Corp Olefin hydration using phosphoric acid on porous silica xerogel

Also Published As

Publication number Publication date
DE2938850B1 (de) 1980-06-26
ES493017A0 (es) 1981-02-16
JPS5654214A (en) 1981-05-14
MA18951A1 (fr) 1981-04-01
EP0026259A1 (de) 1981-04-08

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