FR2287417A1 - Procede de production de phosphates exempts de fluorures - Google Patents

Procede de production de phosphates exempts de fluorures

Info

Publication number
FR2287417A1
FR2287417A1 FR7530524A FR7530524A FR2287417A1 FR 2287417 A1 FR2287417 A1 FR 2287417A1 FR 7530524 A FR7530524 A FR 7530524A FR 7530524 A FR7530524 A FR 7530524A FR 2287417 A1 FR2287417 A1 FR 2287417A1
Authority
FR
France
Prior art keywords
fluoride
production
free phosphates
phosphates
free
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.)
Granted
Application number
FR7530524A
Other languages
English (en)
Other versions
FR2287417B1 (fr
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.)
PennzEnergy Co
Original Assignee
Pennzoil 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 US05/608,973 external-priority patent/US4086322A/en
Application filed by Pennzoil Co filed Critical Pennzoil Co
Publication of FR2287417A1 publication Critical patent/FR2287417A1/fr
Application granted granted Critical
Publication of FR2287417B1 publication Critical patent/FR2287417B1/fr
Granted 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
    • C01B25/003—Phosphorus
    • 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
    • C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
    • 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • 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
    • 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
    • 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
    • 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
    • C01B25/328—Defluorination during or after the preparation
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/22—Fluorides
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C05D9/02—Other inorganic fertilisers containing trace elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Removal Of Specific Substances (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7530524A 1974-10-07 1975-10-06 Procede de production de phosphates exempts de fluorures Granted FR2287417A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51287774A 1974-10-07 1974-10-07
US05/608,973 US4086322A (en) 1974-10-07 1975-08-29 Production of fluoride-free phosphates

Publications (2)

Publication Number Publication Date
FR2287417A1 true FR2287417A1 (fr) 1976-05-07
FR2287417B1 FR2287417B1 (fr) 1981-11-20

Family

ID=27057693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530524A Granted FR2287417A1 (fr) 1974-10-07 1975-10-06 Procede de production de phosphates exempts de fluorures

Country Status (8)

Country Link
BR (1) BR7506392A (fr)
CA (1) CA1042626A (fr)
DE (1) DE2543632C2 (fr)
FR (1) FR2287417A1 (fr)
GB (1) GB1485227A (fr)
IL (1) IL48207A (fr)
IT (1) IT1047699B (fr)
MX (1) MX3058E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432477A1 (fr) * 1978-08-02 1980-02-29 Pennzoil Co Procede de preparation de phosphate monocalcique et d'acide phosphorique par acidulation de phosphate naturel avec de l'acide phosphorique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113511924B (zh) * 2020-04-09 2022-10-11 国家能源投资集团有限责任公司 液体硅钙肥及其制备方法和应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173205A (en) * 1966-06-03 1969-12-03 Int Minerals & Chem Corp Process for the Manufacture of Phosphate Fertilizers
US3554694A (en) * 1969-06-02 1971-01-12 Cities Service Co Process for producing fluosilicates
DE2014014A1 (de) * 1970-03-24 1971-10-07 Knapsack Ag Verfahren zur Herstellung von Phosphor
DE2050008B2 (de) * 1970-10-12 1973-02-01 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur reinigung von technischer phosphorsaeure
US3792151A (en) * 1971-10-18 1974-02-12 Atlantic Richfield Co Process for producing phosphoric acid
GB1436113A (en) * 1972-04-26 1976-05-19 Albright & Wilson Purification of phosphoric acid
US3840640A (en) * 1972-08-28 1974-10-08 Pennzoil Co Production of fluoride-free nitrates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432477A1 (fr) * 1978-08-02 1980-02-29 Pennzoil Co Procede de preparation de phosphate monocalcique et d'acide phosphorique par acidulation de phosphate naturel avec de l'acide phosphorique

Also Published As

Publication number Publication date
MX3058E (es) 1980-03-13
DE2543632C2 (de) 1987-04-02
BR7506392A (pt) 1976-08-10
IL48207A (en) 1978-12-17
GB1485227A (en) 1977-09-08
CA1042626A (fr) 1978-11-21
IL48207A0 (en) 1975-11-25
FR2287417B1 (fr) 1981-11-20
IT1047699B (it) 1980-10-20
DE2543632A1 (de) 1976-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse