ZM10875A1 - Treating of phosphate-bearing materials - Google Patents

Treating of phosphate-bearing materials

Info

Publication number
ZM10875A1
ZM10875A1 ZM108/75A ZM10875A ZM10875A1 ZM 10875 A1 ZM10875 A1 ZM 10875A1 ZM 108/75 A ZM108/75 A ZM 108/75A ZM 10875 A ZM10875 A ZM 10875A ZM 10875 A1 ZM10875 A1 ZM 10875A1
Authority
ZM
Zambia
Prior art keywords
phosphate
treating
bearing materials
bearing
materials
Prior art date
Application number
ZM108/75A
Other languages
English (en)
Original Assignee
Nat Process Ind 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
Priority claimed from ZA00744842A external-priority patent/ZA744842B/xx
Application filed by Nat Process Ind Ltd filed Critical Nat Process Ind Ltd
Publication of ZM10875A1 publication Critical patent/ZM10875A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
    • 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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Glass Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
ZM108/75A 1974-07-30 1975-07-29 Treating of phosphate-bearing materials ZM10875A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA00744842A ZA744842B (en) 1974-07-30 1974-07-30 Treatment of phosphate bearing materials
ZA75162 1975-01-09

Publications (1)

Publication Number Publication Date
ZM10875A1 true ZM10875A1 (en) 1976-04-21

Family

ID=27131109

Family Applications (1)

Application Number Title Priority Date Filing Date
ZM108/75A ZM10875A1 (en) 1974-07-30 1975-07-29 Treating of phosphate-bearing materials

Country Status (5)

Country Link
US (1) US4039624A (xx)
CA (1) CA1033536A (xx)
FR (1) FR2280584A1 (xx)
GB (1) GB1494113A (xx)
ZM (1) ZM10875A1 (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6562308B1 (en) * 2000-11-15 2003-05-13 Agrium, Inc. Process for the recovery of phosphate from phosphate rock
DE102014108199B3 (de) * 2014-06-11 2015-05-13 Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) Herstellung citratlöslicher Phosphate durch Kalzinierung sekundärer Phosphatquellen mit einer Natrium-Schwefel-Verbindung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1816285A (en) * 1928-10-27 1931-07-28 Firm Odda Smelteverk As Process of converting phosphate rock into soluble compounds and of separating its content of lime and phosphoric acid
US1976283A (en) * 1929-10-28 1934-10-09 Firm Odda Smelteverk As Method of treating solutions of phosphate rock in nitric acid
US2114600A (en) * 1933-12-23 1938-04-19 Kunstdunger Patent Verwertungs Manufacture of dicalcium phosphate and alkali salts
GB484037A (en) * 1936-06-13 1938-04-29 Kunstduenger Patent Verwertung Method of producing dicalcium phosphate and calcium nitrate solution
US2252280A (en) * 1937-06-26 1941-08-12 Walter H Duisberg Decomposition of water-insoluble phosphates
US3472616A (en) * 1966-07-07 1969-10-14 Bohna & Co B D Process for the production of monoammonium and diammonium phosphate
US3919395A (en) * 1970-11-18 1975-11-11 United States Gypsum Co Process for extraction of phosphorus compounds

Also Published As

Publication number Publication date
AU8328475A (en) 1977-01-27
FR2280584A1 (fr) 1976-02-27
CA1033536A (en) 1978-06-27
GB1494113A (en) 1977-12-07
FR2280584B3 (xx) 1979-04-27
US4039624A (en) 1977-08-02

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