NO122301B - - Google Patents

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Publication number
NO122301B
NO122301B NO1887/68A NO188768A NO122301B NO 122301 B NO122301 B NO 122301B NO 1887/68 A NO1887/68 A NO 1887/68A NO 188768 A NO188768 A NO 188768A NO 122301 B NO122301 B NO 122301B
Authority
NO
Norway
Prior art keywords
phosphoric acid
phosphate
extraction
masses
mineral
Prior art date
Application number
NO1887/68A
Other languages
English (en)
Norwegian (no)
Inventor
Y Sugahara
J Igarashi
H Naito
M Ogawa
Original Assignee
Mizusawa Industrial Chem
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 Mizusawa Industrial Chem filed Critical Mizusawa Industrial Chem
Publication of NO122301B publication Critical patent/NO122301B/no

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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
    • C01B25/232Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
NO1887/68A 1967-05-17 1968-05-15 NO122301B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3084667 1967-05-17

Publications (1)

Publication Number Publication Date
NO122301B true NO122301B (ja) 1971-06-14

Family

ID=12315052

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1887/68A NO122301B (ja) 1967-05-17 1968-05-15

Country Status (9)

Country Link
US (1) US3562769A (ja)
BE (1) BE715355A (ja)
DE (1) DE1767503C3 (ja)
ES (1) ES353930A1 (ja)
FR (1) FR1576530A (ja)
GB (1) GB1201837A (ja)
NL (1) NL6807024A (ja)
NO (1) NO122301B (ja)
SE (1) SE328266B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230959B2 (ja) * 1972-11-25 1977-08-11
JPS5228117B2 (ja) * 1972-11-25 1977-07-25
GB1520273A (en) * 1974-07-06 1978-08-02 Fisons Ltd Phosphoric acid and gypsum from phosphatic material
US4055626A (en) * 1976-06-15 1977-10-25 Pennzoil Company Method of producing fluoride-free phosphoric acid
FR2464921A1 (fr) * 1979-09-07 1981-03-20 Grp Franco Senegal Etud Procede de traitement d'un phosphate aluminocalcique
US4372929A (en) * 1981-01-07 1983-02-08 James C. Barber And Associates, Inc. Energy conservation and pollution abatement at phosphorus furnaces
IL78325A0 (en) * 1986-03-30 1986-07-31 Negev Phosphates Ltd Process for the manufacture of pure phosphate salts
US4710366A (en) * 1986-10-23 1987-12-01 Freeport Minerals Company Method for producing stabilized wet process phosphoric acid with low content of magnesium and aluminum
US5236679A (en) * 1992-05-06 1993-08-17 Freeport-Mcmoran Resource Partners Removal of aluminum contamination during production of phosphoric acid

Also Published As

Publication number Publication date
ES353930A1 (es) 1969-10-16
GB1201837A (en) 1970-08-12
NL6807024A (ja) 1968-11-18
SE328266B (ja) 1970-09-14
DE1767503B2 (de) 1974-05-16
US3562769A (en) 1971-02-09
FR1576530A (ja) 1969-08-01
DE1767503C3 (de) 1975-01-30
DE1767503A1 (de) 1972-04-13
BE715355A (ja) 1968-10-16

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