BR7403693D0 - Aperfeicoamento em processo para a purificacao de acido fosforico bruto - Google Patents

Aperfeicoamento em processo para a purificacao de acido fosforico bruto

Info

Publication number
BR7403693D0
BR7403693D0 BR3693/74A BR369374A BR7403693D0 BR 7403693 D0 BR7403693 D0 BR 7403693D0 BR 3693/74 A BR3693/74 A BR 3693/74A BR 369374 A BR369374 A BR 369374A BR 7403693 D0 BR7403693 D0 BR 7403693D0
Authority
BR
Brazil
Prior art keywords
purification
processing
phosphoric acid
crude phosphoric
crude
Prior art date
Application number
BR3693/74A
Other languages
English (en)
Inventor
Fujii Sakumi
Toshimitsu Itaru
Nakajima Taketoshi
Original Assignee
Toyo Soda Mfg Co Ltd
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 Toyo Soda Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Publication of BR7403693D0 publication Critical patent/BR7403693D0/pt

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
BR3693/74A 1973-05-10 1974-05-07 Aperfeicoamento em processo para a purificacao de acido fosforico bruto BR7403693D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5119473A JPS5651122B2 (pt) 1973-05-10 1973-05-10

Publications (1)

Publication Number Publication Date
BR7403693D0 true BR7403693D0 (pt) 1974-12-24

Family

ID=12880054

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3693/74A BR7403693D0 (pt) 1973-05-10 1974-05-07 Aperfeicoamento em processo para a purificacao de acido fosforico bruto

Country Status (4)

Country Link
US (1) US3978196A (pt)
JP (1) JPS5651122B2 (pt)
BR (1) BR7403693D0 (pt)
CA (1) CA1011084A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108963A (en) * 1974-06-25 1978-08-22 Produits Chimiques Ugine Kuhlmann Process for purifying phosphoric acid
US4374805A (en) * 1978-05-26 1983-02-22 Uranium Recovery Corporation Reductants for reducing metals in acid media
FR2470090B1 (fr) * 1979-11-20 1986-04-04 Rhone Poulenc Chim Base Procede de purification d'un acide phosphorique de voie humide
WO2009052355A1 (en) * 2007-10-17 2009-04-23 Iowa State University Research Foundation, Inc. Decolorization of fabrics using phosphoric and phosphorous acid derivatives
LU100464B1 (en) * 2017-09-29 2019-03-29 Cppe Carbon Process & Plant Eng S A Process for the removal of heavy metals from liquids

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE593370C (de) * 1931-11-05 1934-02-24 Chem Fab Budenheim Akt Ges Reinigung der durch sauren Aufschluss von Rohphosphaten erhaltenen Rohphosphorsaeure
US1981145A (en) * 1933-10-21 1934-11-20 Minerals Separation North Us Process of producing phosphoric acid
US2211119A (en) * 1937-07-17 1940-08-13 Chemical Foundation Inc Method of recovery of vanadium from acid solutions
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions
NL295743A (pt) * 1962-07-25
US3348906A (en) * 1962-12-07 1967-10-24 Kerr Mc Gee Chem Corp Solvent extraction process for the recovery of vanadium values
US3372982A (en) * 1963-03-01 1968-03-12 Hazen Research Method of recovery of vanadium from its ores
GB1051521A (en) * 1964-02-20 1966-12-14 Israel Mining Ind Inst For Res Improvements in or relating to a process for the production of substantially iron free aqueous solution of phosphoric acid
NL6604002A (pt) * 1965-03-25 1966-09-26
NL6606839A (pt) * 1965-05-21 1966-11-22
US3437454A (en) * 1966-04-26 1969-04-08 Kerr Mc Gee Chem Corp Vanadium recovery from wet process phosphoric acid using alpha-hydroxy oximes
US3734696A (en) * 1970-09-04 1973-05-22 Kerr Mc Gee Chem Corp Vanadium recovery from acidic solutions

Also Published As

Publication number Publication date
US3978196A (en) 1976-08-31
JPS501994A (pt) 1975-01-10
CA1011084A (en) 1977-05-31
JPS5651122B2 (pt) 1981-12-03

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