BR7101106D0 - Processo para a producao do teor de fluor em gesso refugo do acido fosforico - Google Patents

Processo para a producao do teor de fluor em gesso refugo do acido fosforico

Info

Publication number
BR7101106D0
BR7101106D0 BR1106/71A BR110671A BR7101106D0 BR 7101106 D0 BR7101106 D0 BR 7101106D0 BR 1106/71 A BR1106/71 A BR 1106/71A BR 110671 A BR110671 A BR 110671A BR 7101106 D0 BR7101106 D0 BR 7101106D0
Authority
BR
Brazil
Prior art keywords
refuel
plaster
production
phosphoric acid
fluorine content
Prior art date
Application number
BR1106/71A
Other languages
English (en)
Portuguese (pt)
Inventor
W Binder
K Bogati
H Stich
W Gauster
J Hutter
Original Assignee
Oesterr Stickstoffwerke Ag
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 Oesterr Stickstoffwerke Ag filed Critical Oesterr Stickstoffwerke Ag
Publication of BR7101106D0 publication Critical patent/BR7101106D0/pt

Links

Classifications

    • 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
    • C01F11/468—Purification of calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • 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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BR1106/71A 1970-02-25 1971-02-18 Processo para a producao do teor de fluor em gesso refugo do acido fosforico BR7101106D0 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT170170A AT297041B (de) 1970-02-25 1970-02-25 Verfahren zur Verminderung des Fluorgehaltes von Phosphorsäureabfallgips
DE19702009647 DE2009647A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-02-25 1970-03-02

Publications (1)

Publication Number Publication Date
BR7101106D0 true BR7101106D0 (pt) 1973-06-14

Family

ID=25596588

Family Applications (1)

Application Number Title Priority Date Filing Date
BR1106/71A BR7101106D0 (pt) 1970-02-25 1971-02-18 Processo para a producao do teor de fluor em gesso refugo do acido fosforico

Country Status (7)

Country Link
AT (1) AT297041B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE763473A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7101106D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2009647A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1346933A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7018582A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA71309B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
DE2009647A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-12-02
BE763473A (fr) 1971-08-25
ZA71309B (en) 1972-08-30
GB1346933A (en) 1974-02-13
AT297041B (de) 1972-03-10
NL7018582A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-08-27

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