ES434309A1 - Procedimiento para preparar soluciones fosforicas muy pu- ras. - Google Patents

Procedimiento para preparar soluciones fosforicas muy pu- ras.

Info

Publication number
ES434309A1
ES434309A1 ES434309A ES434309A ES434309A1 ES 434309 A1 ES434309 A1 ES 434309A1 ES 434309 A ES434309 A ES 434309A ES 434309 A ES434309 A ES 434309A ES 434309 A1 ES434309 A1 ES 434309A1
Authority
ES
Spain
Prior art keywords
phosphoric acid
organic solvent
water
stage
solution
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
ES434309A
Other languages
English (en)
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Industries SA filed Critical Rhone Poulenc Industries SA
Publication of ES434309A1 publication Critical patent/ES434309A1/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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ES434309A 1974-02-01 1975-01-31 Procedimiento para preparar soluciones fosforicas muy pu- ras. Expired ES434309A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7403399A FR2259787B1 (es) 1974-02-01 1974-02-01

Publications (1)

Publication Number Publication Date
ES434309A1 true ES434309A1 (es) 1976-11-16

Family

ID=9134358

Family Applications (1)

Application Number Title Priority Date Filing Date
ES434309A Expired ES434309A1 (es) 1974-02-01 1975-01-31 Procedimiento para preparar soluciones fosforicas muy pu- ras.

Country Status (11)

Country Link
JP (1) JPS50123595A (es)
BE (1) BE825085A (es)
CA (1) CA1043535A (es)
DD (1) DD116446A5 (es)
DE (1) DE2503843B2 (es)
ES (1) ES434309A1 (es)
FR (1) FR2259787B1 (es)
GB (1) GB1472970A (es)
IE (1) IE40576B1 (es)
IT (1) IT1029423B (es)
NL (1) NL7501173A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification
IL69426A (en) * 1983-08-03 1986-10-31 Negev Phosphates Ltd Process for the manufacture of purified phosphoric acid
DE3347421A1 (de) * 1983-12-29 1985-07-11 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von fluorarmen alkaliphosphatloesungen

Also Published As

Publication number Publication date
IE40576B1 (en) 1979-07-04
FR2259787A1 (es) 1975-08-29
DE2503843B2 (de) 1979-08-02
JPS50123595A (es) 1975-09-29
FR2259787B1 (es) 1977-09-16
CA1043535A (en) 1978-12-05
DE2503843A1 (de) 1975-08-07
BE825085A (fr) 1975-07-31
IT1029423B (it) 1979-03-10
NL7501173A (nl) 1975-08-05
IE40576L (en) 1975-08-01
DD116446A5 (es) 1975-11-20
GB1472970A (en) 1977-05-11
AU7777475A (en) 1976-08-05

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