CH226449A - Procédé de fabrication d'anhydride sulfureux à partir du sulfate de calcium avec formation concomitante de résidus propres à la fabrication de l'alumine et du ciment. - Google Patents

Procédé de fabrication d'anhydride sulfureux à partir du sulfate de calcium avec formation concomitante de résidus propres à la fabrication de l'alumine et du ciment.

Info

Publication number
CH226449A
CH226449A CH226449DA CH226449A CH 226449 A CH226449 A CH 226449A CH 226449D A CH226449D A CH 226449DA CH 226449 A CH226449 A CH 226449A
Authority
CH
Switzerland
Prior art keywords
sep
cement
residue
alumina
cao
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Seailles Jean-Charles
Original Assignee
Seailles Jean Charles
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 Seailles Jean Charles filed Critical Seailles Jean Charles
Publication of CH226449A publication Critical patent/CH226449A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/506—Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/04—Preparation of chlorine from hydrogen chloride
    • 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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/164—Calcium aluminates
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
CH226449D 1941-01-30 1941-01-30 Procédé de fabrication d'anhydride sulfureux à partir du sulfate de calcium avec formation concomitante de résidus propres à la fabrication de l'alumine et du ciment. CH226449A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH226449T 1941-01-30

Publications (1)

Publication Number Publication Date
CH226449A true CH226449A (fr) 1943-04-15

Family

ID=4454570

Family Applications (1)

Application Number Title Priority Date Filing Date
CH226449D CH226449A (fr) 1941-01-30 1941-01-30 Procédé de fabrication d'anhydride sulfureux à partir du sulfate de calcium avec formation concomitante de résidus propres à la fabrication de l'alumine et du ciment.

Country Status (2)

Country Link
BE (1) BE440507A (it)
CH (1) CH226449A (it)

Also Published As

Publication number Publication date
BE440507A (it)

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