CA1034738A - Chemical leach of phosphate values from phosphatic minerals - Google Patents

Chemical leach of phosphate values from phosphatic minerals

Info

Publication number
CA1034738A
CA1034738A CA220,416A CA220416A CA1034738A CA 1034738 A CA1034738 A CA 1034738A CA 220416 A CA220416 A CA 220416A CA 1034738 A CA1034738 A CA 1034738A
Authority
CA
Canada
Prior art keywords
phosphate values
phosphatic
minerals
chemical leach
leach
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
CA220,416A
Other languages
French (fr)
Other versions
CA220416S (en
Inventor
Douglas O. Hauge
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.)
United States Gypsum Co
Original Assignee
United States Gypsum Co
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
Priority claimed from US05/518,128 external-priority patent/US4012491A/en
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Application granted granted Critical
Publication of CA1034738A publication Critical patent/CA1034738A/en
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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/324—Preparation from a reaction solution obtained by acidifying with an acid other than orthophosphoric acid
    • 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • 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
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CA220,416A 1974-10-25 1975-02-19 Chemical leach of phosphate values from phosphatic minerals Expired CA1034738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/518,128 US4012491A (en) 1971-10-19 1974-10-25 Phosphate process

Publications (1)

Publication Number Publication Date
CA1034738A true CA1034738A (en) 1978-07-18

Family

ID=24062674

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,416A Expired CA1034738A (en) 1974-10-25 1975-02-19 Chemical leach of phosphate values from phosphatic minerals

Country Status (12)

Country Link
JP (1) JPS5165097A (en)
BE (1) BE834349A (en)
BR (1) BR7506853A (en)
CA (1) CA1034738A (en)
DE (1) DE2547782A1 (en)
FI (1) FI752980A7 (en)
FR (1) FR2289443A2 (en)
GB (1) GB1504018A (en)
IL (1) IL48177A0 (en)
IN (1) IN144533B (en)
IT (1) IT1047836B (en)
NL (1) NL7512503A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10464853B2 (en) 2013-12-02 2019-11-05 Ecophos S.A. Source of phosphate for agriculture and the food industry

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200002638B (en) 2000-05-26 2001-01-31 Jan Christoffel De Waal The production of dicalcium phosphate or monocalcium phosphate.
BE1015840A3 (en) * 2003-12-24 2005-10-04 Ecophos Process leading ore phosphate.
WO2015081973A1 (en) * 2013-12-02 2015-06-11 Ecophos S.A. Source of phosphate for agriculture and the food industry
BE1021886B1 (en) * 2013-12-02 2016-01-25 Ecophos S.A. NEW PHOSPHATE SOURCE FOR AGRICULTURE AND FOOD.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10464853B2 (en) 2013-12-02 2019-11-05 Ecophos S.A. Source of phosphate for agriculture and the food industry

Also Published As

Publication number Publication date
DE2547782A1 (en) 1976-05-06
NL7512503A (en) 1976-04-27
IL48177A0 (en) 1975-11-25
BE834349A (en) 1976-02-02
AU8511675A (en) 1977-04-21
JPS5729403B2 (en) 1982-06-22
JPS5165097A (en) 1976-06-05
FI752980A7 (en) 1976-04-26
BR7506853A (en) 1976-08-17
IT1047836B (en) 1980-10-20
GB1504018A (en) 1978-03-15
FR2289443A2 (en) 1976-05-28
IN144533B (en) 1978-05-13

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