FR1439339A - Traitement de roche phosphatée - Google Patents

Traitement de roche phosphatée

Info

Publication number
FR1439339A
FR1439339A FR15736A FR15736A FR1439339A FR 1439339 A FR1439339 A FR 1439339A FR 15736 A FR15736 A FR 15736A FR 15736 A FR15736 A FR 15736A FR 1439339 A FR1439339 A FR 1439339A
Authority
FR
France
Prior art keywords
phosphate rock
rock treatment
treatment
phosphate
rock
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
FR15736A
Other languages
English (en)
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.)
American Agricultural Chemical Co
Original Assignee
American Agricultural Chemical 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
Application filed by American Agricultural Chemical Co filed Critical American Agricultural Chemical Co
Priority to FR15736A priority Critical patent/FR1439339A/fr
Application granted granted Critical
Publication of FR1439339A publication Critical patent/FR1439339A/fr
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
    • C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
    • 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
    • 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
    • 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
    • C05B11/02—Pretreatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR15736A 1965-05-04 1965-05-04 Traitement de roche phosphatée Expired FR1439339A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR15736A FR1439339A (fr) 1965-05-04 1965-05-04 Traitement de roche phosphatée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR15736A FR1439339A (fr) 1965-05-04 1965-05-04 Traitement de roche phosphatée

Publications (1)

Publication Number Publication Date
FR1439339A true FR1439339A (fr) 1966-05-20

Family

ID=8577952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR15736A Expired FR1439339A (fr) 1965-05-04 1965-05-04 Traitement de roche phosphatée

Country Status (1)

Country Link
FR (1) FR1439339A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002040426A2 (fr) * 2000-11-15 2002-05-23 Agrium Inc. Procede de recuperation de phosphate a partir de roche phosphatee

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002040426A2 (fr) * 2000-11-15 2002-05-23 Agrium Inc. Procede de recuperation de phosphate a partir de roche phosphatee
WO2002040426A3 (fr) * 2000-11-15 2002-09-06 Agrium Inc Procede de recuperation de phosphate a partir de roche phosphatee
US6562308B1 (en) 2000-11-15 2003-05-13 Agrium, Inc. Process for the recovery of phosphate from phosphate rock

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