IT1129803B - Procedimento per il trattamento termico di roccia fosfatica particolarmente ai fini della produzione dell'acido fosforico - Google Patents

Procedimento per il trattamento termico di roccia fosfatica particolarmente ai fini della produzione dell'acido fosforico

Info

Publication number
IT1129803B
IT1129803B IT67316/80A IT6731680A IT1129803B IT 1129803 B IT1129803 B IT 1129803B IT 67316/80 A IT67316/80 A IT 67316/80A IT 6731680 A IT6731680 A IT 6731680A IT 1129803 B IT1129803 B IT 1129803B
Authority
IT
Italy
Prior art keywords
procedure
heat treatment
phosphoric acid
acid production
phosphatic rock
Prior art date
Application number
IT67316/80A
Other languages
English (en)
Other versions
IT8067316A0 (it
Inventor
Edward James Lowe
Original Assignee
Albright & Wilson
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 Albright & Wilson filed Critical Albright & Wilson
Publication of IT8067316A0 publication Critical patent/IT8067316A0/it
Application granted granted Critical
Publication of IT1129803B publication Critical patent/IT1129803B/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
    • C01B25/16Oxyacids 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
    • C01B25/01Treating 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
    • C01B25/22Preparation 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

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
IT67316/80A 1979-03-01 1980-02-29 Procedimento per il trattamento termico di roccia fosfatica particolarmente ai fini della produzione dell'acido fosforico IT1129803B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7907334 1979-03-01
GB8005170 1980-02-15

Publications (2)

Publication Number Publication Date
IT8067316A0 IT8067316A0 (it) 1980-02-29
IT1129803B true IT1129803B (it) 1986-06-11

Family

ID=26270744

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67316/80A IT1129803B (it) 1979-03-01 1980-02-29 Procedimento per il trattamento termico di roccia fosfatica particolarmente ai fini della produzione dell'acido fosforico

Country Status (8)

Country Link
BE (1) BE882001A (it)
DE (1) DE3007131A1 (it)
ES (2) ES489109A0 (it)
FR (1) FR2450230A1 (it)
GB (1) GB2048838B (it)
IL (1) IL59494A (it)
IT (1) IT1129803B (it)
NL (1) NL8001204A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL72097A (en) * 1984-06-13 1987-07-31 Negev Phosphates Ltd Process for a thermal treatment of israeli phosphate rock

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE368737C (de) * 1921-07-15 1923-02-08 Borax Cons Ltd Verfahren zur Herstellung von Phosphorsaeure
US2799557A (en) * 1952-10-11 1957-07-16 Chemical Construction Corp Production of feed grade dicalcium phosphate
US3122415A (en) * 1960-10-10 1964-02-25 Int Minerals & Chem Corp Method for the production of phosphoric acid
US3133791A (en) * 1961-06-14 1964-05-19 Nat Distillers Chem Corp Method of sludge inhibition in phosphoric acid
US4001383A (en) * 1971-08-12 1977-01-04 Stauffer Chemical Company Impure sulfuric acid treatment process

Also Published As

Publication number Publication date
GB2048838A (en) 1980-12-17
ES8105234A1 (es) 1981-05-16
NL8001204A (nl) 1980-09-03
BE882001A (fr) 1980-08-29
IL59494A (en) 1984-03-30
IT8067316A0 (it) 1980-02-29
IL59494A0 (en) 1980-05-30
DE3007131A1 (de) 1980-10-23
GB2048838B (en) 1983-05-18
ES489109A0 (es) 1981-05-16
FR2450230A1 (fr) 1980-09-26
ES8107123A1 (es) 1981-10-01
ES496449A0 (es) 1981-10-01

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