IL66519A0 - Process for removing organic contaminants from phosphoric acid - Google Patents

Process for removing organic contaminants from phosphoric acid

Info

Publication number
IL66519A0
IL66519A0 IL66519A IL6651982A IL66519A0 IL 66519 A0 IL66519 A0 IL 66519A0 IL 66519 A IL66519 A IL 66519A IL 6651982 A IL6651982 A IL 6651982A IL 66519 A0 IL66519 A0 IL 66519A0
Authority
IL
Israel
Prior art keywords
phosphoric acid
organic contaminants
removing organic
contaminants
phosphoric
Prior art date
Application number
IL66519A
Other versions
IL66519A (en
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of IL66519A0 publication Critical patent/IL66519A0/en
Publication of IL66519A publication Critical patent/IL66519A/en

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
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL66519A 1981-08-12 1982-08-11 Process for removing organic contaminants from phosphoric acid IL66519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813131847 DE3131847A1 (en) 1981-08-12 1981-08-12 METHOD FOR REMOVING ORGANIC IMPURITIES FROM PHOSPHORIC ACID

Publications (2)

Publication Number Publication Date
IL66519A0 true IL66519A0 (en) 1982-12-31
IL66519A IL66519A (en) 1985-12-31

Family

ID=6139152

Family Applications (1)

Application Number Title Priority Date Filing Date
IL66519A IL66519A (en) 1981-08-12 1982-08-11 Process for removing organic contaminants from phosphoric acid

Country Status (8)

Country Link
EP (1) EP0071797B1 (en)
JP (1) JPS5836910A (en)
BR (1) BR8204720A (en)
DE (2) DE3131847A1 (en)
ES (1) ES514748A0 (en)
IL (1) IL66519A (en)
MA (1) MA19565A1 (en)
ZA (1) ZA825801B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325121A1 (en) * 1983-07-12 1985-01-24 Hoechst Ag, 6230 Frankfurt METHOD AND DEVICE FOR REMOVING FLUOR AND ORGANIC COMPOUNDS FROM PRE-PREPARED WET METAL PHOSPHORIC ACID
US4643883A (en) * 1986-01-22 1987-02-17 International Minerals & Chemical Corp. Method of decolorizing wet process phosphoric acid
JPS63201018A (en) * 1987-02-10 1988-08-19 Nemoto Masayuki Method for recovering magnetic powder from magnetic recording medium
JP2535882B2 (en) * 1987-03-09 1996-09-18 東ソー株式会社 Method for removing dissolved organic matter in purified phosphoric acid
RU2134233C1 (en) * 1999-01-29 1999-08-10 Открытое акционерное общество "РЕАТЭКС" Method of treating extraction phosphoric acid to remove organic coloring impurities
RU2198841C1 (en) * 2001-10-25 2003-02-20 Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В.Самойлова" Method of decolorization of purified phosphoric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910711A1 (en) * 1979-03-19 1980-10-02 Hoechst Ag METHOD FOR REMOVING ORGANIC IMPURITIES FROM PHOSPHORIC ACID
DE2942545A1 (en) * 1979-10-20 1981-06-04 Riedel-De Haen Ag, 3016 Seelze METHOD FOR PRODUCING A CLEANED OXIDATION-RESISTANT INORGANIC ACID AND AFTER-OBTAINED ACID

Also Published As

Publication number Publication date
DE3261063D1 (en) 1984-11-29
IL66519A (en) 1985-12-31
BR8204720A (en) 1983-08-02
ES8308516A1 (en) 1983-10-01
DE3131847A1 (en) 1983-03-17
JPS5836910A (en) 1983-03-04
ES514748A0 (en) 1983-10-01
ZA825801B (en) 1983-07-27
MA19565A1 (en) 1983-04-01
EP0071797B1 (en) 1984-10-24
JPS6112846B2 (en) 1986-04-10
EP0071797A1 (en) 1983-02-16

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