BE774658A - Extraction liquide-liquide pour la purification de l'acide phosphoriqu - Google Patents

Extraction liquide-liquide pour la purification de l'acide phosphoriqu

Info

Publication number
BE774658A
BE774658A BE774658A BE774658A BE774658A BE 774658 A BE774658 A BE 774658A BE 774658 A BE774658 A BE 774658A BE 774658 A BE774658 A BE 774658A BE 774658 A BE774658 A BE 774658A
Authority
BE
Belgium
Prior art keywords
liquid
phosphoric acid
acid purification
extraction
liquid extraction
Prior art date
Application number
BE774658A
Other languages
English (en)
Inventor
Dek A Williams
D R Stern
Original Assignee
Occidental Petroleum Corp
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 Occidental Petroleum Corp filed Critical Occidental Petroleum Corp
Publication of BE774658A publication Critical patent/BE774658A/fr

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
    • C01B25/237—Selective elimination of impurities
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/09—Reaction techniques
    • Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
BE774658A 1970-10-30 1971-10-28 Extraction liquide-liquide pour la purification de l'acide phosphoriqu BE774658A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8580770A 1970-10-30 1970-10-30

Publications (1)

Publication Number Publication Date
BE774658A true BE774658A (fr) 1972-02-14

Family

ID=22194081

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774658A BE774658A (fr) 1970-10-30 1971-10-28 Extraction liquide-liquide pour la purification de l'acide phosphoriqu

Country Status (6)

Country Link
US (1) US3694153A (fr)
JP (1) JPS5743524B1 (fr)
BE (1) BE774658A (fr)
DE (1) DE2152377A1 (fr)
GB (1) GB1361800A (fr)
NL (1) NL7114963A (fr)

Families Citing this family (13)

* 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
US4082836A (en) * 1975-07-02 1978-04-04 Occidental Petroleum Corporation Process for the purification of phosphoric acid by extraction
US4284614A (en) * 1976-04-13 1981-08-18 Occidental Petroleum Corp. Process for production of high purity phosphoric acid from high alumina phosphate pebble rock
US4053564A (en) * 1976-05-20 1977-10-11 Occidental Petroleum Company Extraction process for purification of phosphoric acid
JPS5380389A (en) * 1976-12-27 1978-07-15 Toyo Soda Mfg Co Ltd Extractive purification method for wet-process phosphoric acid
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
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
US4376756A (en) * 1980-12-05 1983-03-15 Occidental Chemical Company Process for blending phosphoric acids of differing impurity content
US4521392A (en) * 1980-12-05 1985-06-04 Occidental Chemical Agricultural Products, Inc. Process for blending phosphoric acids of differing impurity content
US4457899A (en) * 1981-11-23 1984-07-03 Mobil Oil Corporation Process for removal of residual organic matter from purified phosphoric acid
US9187327B2 (en) * 2011-01-04 2015-11-17 Nalco Company Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid
ES2531399T3 (es) * 2012-05-24 2015-03-13 Purac Biochem Nv Recuperación de ácido carboxílico de una mezcla de carboxilato de magnesio

Also Published As

Publication number Publication date
US3694153A (en) 1972-09-26
NL7114963A (fr) 1972-05-03
GB1361800A (en) 1974-07-30
DE2152377A1 (de) 1972-05-04
JPS5743524B1 (fr) 1982-09-16

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