IL59494A - Process for heat treating calcium phosphate rock and acidification thereof - Google Patents

Process for heat treating calcium phosphate rock and acidification thereof

Info

Publication number
IL59494A
IL59494A IL59494A IL5949480A IL59494A IL 59494 A IL59494 A IL 59494A IL 59494 A IL59494 A IL 59494A IL 5949480 A IL5949480 A IL 5949480A IL 59494 A IL59494 A IL 59494A
Authority
IL
Israel
Prior art keywords
acidification
calcium phosphate
heat treating
phosphate rock
treating calcium
Prior art date
Application number
IL59494A
Other versions
IL59494A0 (en
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 IL59494A0 publication Critical patent/IL59494A0/en
Publication of IL59494A publication Critical patent/IL59494A/en

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)
IL59494A 1979-03-01 1980-02-28 Process for heat treating calcium phosphate rock and acidification thereof IL59494A (en)

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
IL59494A0 IL59494A0 (en) 1980-05-30
IL59494A true IL59494A (en) 1984-03-30

Family

ID=26270744

Family Applications (1)

Application Number Title Priority Date Filing Date
IL59494A IL59494A (en) 1979-03-01 1980-02-28 Process for heat treating calcium phosphate rock and acidification thereof

Country Status (8)

Country Link
BE (1) BE882001A (en)
DE (1) DE3007131A1 (en)
ES (2) ES8105234A1 (en)
FR (1) FR2450230A1 (en)
GB (1) GB2048838B (en)
IL (1) IL59494A (en)
IT (1) IT1129803B (en)
NL (1) NL8001204A (en)

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 (en) * 1921-07-15 1923-02-08 Borax Cons Ltd Process for the production of phosphoric acid
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
DE3007131A1 (en) 1980-10-23
ES489109A0 (en) 1981-05-16
FR2450230A1 (en) 1980-09-26
GB2048838A (en) 1980-12-17
IL59494A0 (en) 1980-05-30
GB2048838B (en) 1983-05-18
ES8107123A1 (en) 1981-10-01
ES496449A0 (en) 1981-10-01
IT1129803B (en) 1986-06-11
IT8067316A0 (en) 1980-02-29
ES8105234A1 (en) 1981-05-16
BE882001A (en) 1980-08-29
NL8001204A (en) 1980-09-03

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