IT1047699B - Procedimento per la produzione di fosfati ed acido fosforico non contenenti fluoburi - Google Patents

Procedimento per la produzione di fosfati ed acido fosforico non contenenti fluoburi

Info

Publication number
IT1047699B
IT1047699B IT51653/75A IT5165375A IT1047699B IT 1047699 B IT1047699 B IT 1047699B IT 51653/75 A IT51653/75 A IT 51653/75A IT 5165375 A IT5165375 A IT 5165375A IT 1047699 B IT1047699 B IT 1047699B
Authority
IT
Italy
Prior art keywords
fluoburs
phosphates
procedure
production
phosphoric acid
Prior art date
Application number
IT51653/75A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1047699B publication Critical patent/IT1047699B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/003Phosphorus
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/01Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/185Preparation 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222Preparation 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
    • C01B25/223Preparation 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/30Alkali metal phosphates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/30Alkali metal phosphates
    • C01B25/301Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/32Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/328Defluorination during or after the preparation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/20Halides
    • C01F11/22Fluorides
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • C05D9/02Other 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)
IT51653/75A 1974-10-07 1975-10-03 Procedimento per la produzione di fosfati ed acido fosforico non contenenti fluoburi IT1047699B (it)

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 (1)

Publication Number Publication Date
IT1047699B true IT1047699B (it) 1980-10-20

Family

ID=27057693

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51653/75A IT1047699B (it) 1974-10-07 1975-10-03 Procedimento per la produzione di fosfati ed acido fosforico non contenenti fluoburi

Country Status (8)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1115483A (en) * 1978-08-02 1982-01-05 Erhart K. Drechsel Preparation of monocalcium phosphate and phosphoric acid
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

Also Published As

Publication number Publication date
IL48207A0 (en) 1975-11-25
FR2287417A1 (fr) 1976-05-07
MX3058E (es) 1980-03-13
DE2543632A1 (de) 1976-04-08
CA1042626A (en) 1978-11-21
IL48207A (en) 1978-12-17
FR2287417B1 (it) 1981-11-20
DE2543632C2 (de) 1987-04-02
GB1485227A (en) 1977-09-08
BR7506392A (pt) 1976-08-10

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