FR2322838A1 - Procede de reactivation de dechets industriels a base de sulfate de calcium (phosphogypse) et produits en resultant - Google Patents

Procede de reactivation de dechets industriels a base de sulfate de calcium (phosphogypse) et produits en resultant

Info

Publication number
FR2322838A1
FR2322838A1 FR7602105A FR7602105A FR2322838A1 FR 2322838 A1 FR2322838 A1 FR 2322838A1 FR 7602105 A FR7602105 A FR 7602105A FR 7602105 A FR7602105 A FR 7602105A FR 2322838 A1 FR2322838 A1 FR 2322838A1
Authority
FR
France
Prior art keywords
quenching bath
sulphates
bath contg
phosphogypsum
improve suitability
Prior art date
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.)
Granted
Application number
FR7602105A
Other languages
English (en)
French (fr)
Other versions
FR2322838B1 (OSRAM
Inventor
Heidemarie Pankert
Carlos Malfai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PLATRE MANUFACTURE
Original Assignee
PLATRE MANUFACTURE
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 PLATRE MANUFACTURE filed Critical PLATRE MANUFACTURE
Publication of FR2322838A1 publication Critical patent/FR2322838A1/fr
Application granted granted Critical
Publication of FR2322838B1 publication Critical patent/FR2322838B1/fr
Granted 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
FR7602105A 1975-09-08 1976-01-27 Procede de reactivation de dechets industriels a base de sulfate de calcium (phosphogypse) et produits en resultant Granted FR2322838A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU73339A LU73339A1 (OSRAM) 1975-09-08 1975-09-08

Publications (2)

Publication Number Publication Date
FR2322838A1 true FR2322838A1 (fr) 1977-04-01
FR2322838B1 FR2322838B1 (OSRAM) 1982-05-07

Family

ID=19728055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602105A Granted FR2322838A1 (fr) 1975-09-08 1976-01-27 Procede de reactivation de dechets industriels a base de sulfate de calcium (phosphogypse) et produits en resultant

Country Status (2)

Country Link
FR (1) FR2322838A1 (OSRAM)
LU (1) LU73339A1 (OSRAM)

Also Published As

Publication number Publication date
LU73339A1 (OSRAM) 1977-05-11
FR2322838B1 (OSRAM) 1982-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse