IT1047836B - Procedimento per il recupero di fosfati da minerali che li contengono - Google Patents

Procedimento per il recupero di fosfati da minerali che li contengono

Info

Publication number
IT1047836B
IT1047836B IT51810/75A IT5181075A IT1047836B IT 1047836 B IT1047836 B IT 1047836B IT 51810/75 A IT51810/75 A IT 51810/75A IT 5181075 A IT5181075 A IT 5181075A IT 1047836 B IT1047836 B IT 1047836B
Authority
IT
Italy
Prior art keywords
phosphates
recovery
procedure
minerals containing
minerals
Prior art date
Application number
IT51810/75A
Other languages
English (en)
Italian (it)
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 IT1047836B publication Critical patent/IT1047836B/it

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
IT51810/75A 1974-10-25 1975-10-16 Procedimento per il recupero di fosfati da minerali che li contengono IT1047836B (it)

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
IT1047836B true IT1047836B (it) 1980-10-20

Family

ID=24062674

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51810/75A IT1047836B (it) 1974-10-25 1975-10-16 Procedimento per il recupero di fosfati da minerali che li contengono

Country Status (12)

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

Families Citing this family (5)

* 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 (fr) * 2003-12-24 2005-10-04 Ecophos Procede d'attaque de minerai de phosphate.
BE1021886B1 (fr) * 2013-12-02 2016-01-25 Ecophos S.A. Nouvelle source de phosphate pour l'agriculture et l'alimentaire.
WO2015082468A1 (fr) * 2013-12-02 2015-06-11 Ecophos S.A. Source de phosphate pour l'agriculture et l'alimentaire
WO2015081973A1 (fr) * 2013-12-02 2015-06-11 Ecophos S.A. Source de phosphate pour l'agriculture et l'alimentaire

Also Published As

Publication number Publication date
JPS5165097A (en) 1976-06-05
AU8511675A (en) 1977-04-21
CA1034738A (en) 1978-07-18
JPS5729403B2 (Direct) 1982-06-22
BR7506853A (pt) 1976-08-17
FI752980A7 (Direct) 1976-04-26
BE834349A (fr) 1976-02-02
FR2289443A2 (fr) 1976-05-28
DE2547782A1 (de) 1976-05-06
IL48177A0 (en) 1975-11-25
GB1504018A (en) 1978-03-15
IN144533B (Direct) 1978-05-13
NL7512503A (nl) 1976-04-27

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