BE843720A - Procede de purification d'acide phosphorique - Google Patents

Procede de purification d'acide phosphorique

Info

Publication number
BE843720A
BE843720A BE168583A BE168583A BE843720A BE 843720 A BE843720 A BE 843720A BE 168583 A BE168583 A BE 168583A BE 168583 A BE168583 A BE 168583A BE 843720 A BE843720 A BE 843720A
Authority
BE
Belgium
Prior art keywords
phosphoric acid
purification process
acid purification
phosphoric
purification
Prior art date
Application number
BE168583A
Other languages
English (en)
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 filed Critical
Publication of BE843720A publication Critical patent/BE843720A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0446—Juxtaposition of mixers-settlers
    • B01D11/0457—Juxtaposition of mixers-settlers comprising rotating mechanisms, e.g. mixers, mixing pumps
    • 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
    • C01B25/237—Selective elimination of impurities
    • C01B25/238—Cationic impurities, e.g. arsenic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)
BE168583A 1975-07-02 1976-07-02 Procede de purification d'acide phosphorique BE843720A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59246075A 1975-07-02 1975-07-02

Publications (1)

Publication Number Publication Date
BE843720A true BE843720A (fr) 1976-11-03

Family

ID=24370728

Family Applications (1)

Application Number Title Priority Date Filing Date
BE168583A BE843720A (fr) 1975-07-02 1976-07-02 Procede de purification d'acide phosphorique

Country Status (4)

Country Link
US (1) US4082836A (fr)
BE (1) BE843720A (fr)
BR (1) BR7604328A (fr)
NL (1) NL7607366A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256716A (en) * 1979-03-01 1981-03-17 Occidental Research Corporation Process for treating loaded extractant from purification of phosphoric acid by extraction
US4275038A (en) * 1979-03-01 1981-06-23 Occidental Research Corporation Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients
US4287071A (en) * 1979-10-10 1981-09-01 Occidental Research Corporation Simultaneous extraction of more than one ion by liquid membrane process
US4521392A (en) * 1980-12-05 1985-06-04 Occidental Chemical Agricultural Products, Inc. Process for blending phosphoric acids of differing impurity content
US4376756A (en) * 1980-12-05 1983-03-15 Occidental Chemical Company Process for blending phosphoric acids of differing impurity content
US4505884A (en) * 1982-05-17 1985-03-19 Occidental Research Corporation Process for producing HF from impure phosphoric acids
JP4362976B2 (ja) * 1998-12-28 2009-11-11 東洋紡績株式会社 リン酸の精製方法および高純度ポリリン酸
SE536607C2 (sv) * 2012-06-21 2014-03-25 Easymining Sweden Ab Framställning av ammoniumfosfater

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367749A (en) * 1963-02-20 1968-02-06 Monsanto Co Purifying phosphoric acid using an amine extractant
US3497330A (en) * 1965-02-08 1970-02-24 Kaiser Aluminium Chem Corp Solvent extraction of iron from phosphoric acid
US3694153A (en) * 1970-10-30 1972-09-26 Audrey E Stern Liquid-liquid extraction process for the purification of phosphoric acid

Also Published As

Publication number Publication date
BR7604328A (pt) 1977-07-26
NL7607366A (nl) 1977-01-04
US4082836A (en) 1978-04-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: OCCIDENTAL CHEMICAL CORP.

Effective date: 19890731