FR1556482A - - Google Patents

Info

Publication number
FR1556482A
FR1556482A FR1556482DA FR1556482A FR 1556482 A FR1556482 A FR 1556482A FR 1556482D A FR1556482D A FR 1556482DA FR 1556482 A FR1556482 A FR 1556482A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1556482A publication Critical patent/FR1556482A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • 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
    • 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
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/02—Portland cement
    • C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1556482D 1967-02-01 1968-01-31 Expired FR1556482A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB482867A GB1209911A (en) 1967-02-01 1967-02-01 Manufacture of phosphoric acid

Publications (1)

Publication Number Publication Date
FR1556482A true FR1556482A (no) 1969-02-07

Family

ID=9784561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556482D Expired FR1556482A (no) 1967-02-01 1968-01-31

Country Status (6)

Country Link
BE (1) BE710189A (no)
DE (1) DE1667635B1 (no)
FR (1) FR1556482A (no)
GB (1) GB1209911A (no)
IL (1) IL29380A (no)
NL (1) NL6801375A (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557663A (en) * 1975-08-01 1979-12-12 Albright & Wilson Process for preparing phosphore acid
DE102020100238A1 (de) * 2020-01-08 2021-07-08 Thyssenkrupp Ag Integriertes Verfahren zur kommerziellen und industriellen Verwertung von Kalziumsulfat aus der Phosphorsäureproduktion
DE102020100254A1 (de) * 2020-01-08 2021-07-08 Thyssenkrupp Ag Integriertes Verfahren zur Herstellung eines Baustoffs aus Phosphorgips

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL29556C (no) * 1930-02-13
DE1027647B (de) * 1955-02-16 1958-04-10 Nordengren & Co Ab Verfahren zur Herstellung von Phosphorsaeure
FR1409248A (fr) * 1963-07-04 1965-08-27 Prayon Procédé de purification du gypse résiduaire provenant de la fabrication d'acide phosphorique par l'attaque sulfurique de phosphates naturels

Also Published As

Publication number Publication date
DE1667635B1 (de) 1971-12-16
NL6801375A (no) 1968-08-02
IL29380A (en) 1972-02-29
GB1209911A (en) 1970-10-21
BE710189A (no) 1968-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse