BE866504A - Platre obtenu a partir de phosphogypses et procede pour son obtention - Google Patents

Platre obtenu a partir de phosphogypses et procede pour son obtention

Info

Publication number
BE866504A
BE866504A BE6046449A BE6046449A BE866504A BE 866504 A BE866504 A BE 866504A BE 6046449 A BE6046449 A BE 6046449A BE 6046449 A BE6046449 A BE 6046449A BE 866504 A BE866504 A BE 866504A
Authority
BE
Belgium
Prior art keywords
phosphogypses
obtaining
plaster obtained
plaster
Prior art date
Application number
BE6046449A
Other languages
English (en)
Inventor
B Lelong
J P Caspar
Original Assignee
Lafarge Sa
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 Lafarge Sa filed Critical Lafarge Sa
Publication of BE866504A publication Critical patent/BE866504A/fr

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
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Treating Waste Gases (AREA)
BE6046449A 1977-04-29 1978-04-27 Platre obtenu a partir de phosphogypses et procede pour son obtention BE866504A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7712963A FR2388771A1 (fr) 1977-04-29 1977-04-29 Platre obtenu a partir de phosphogypses et procede pour son obtention

Publications (1)

Publication Number Publication Date
BE866504A true BE866504A (fr) 1978-10-27

Family

ID=9190082

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6046449A BE866504A (fr) 1977-04-29 1978-04-27 Platre obtenu a partir de phosphogypses et procede pour son obtention

Country Status (8)

Country Link
US (1) US4193812A (fr)
JP (1) JPS5934145B2 (fr)
BE (1) BE866504A (fr)
CH (1) CH634806A5 (fr)
DE (1) DE2815792C2 (fr)
FR (1) FR2388771A1 (fr)
GB (1) GB2028783B (fr)
NL (1) NL7804637A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486928A1 (fr) * 1980-07-16 1982-01-22 Charbonnages Ste Chimique Perfectionnement a un procede de fabrication de platre cellulaire
DE3112703A1 (de) * 1981-03-31 1982-10-07 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld Verfahren zur herstellung eines wasserfesten bindemittels
DE19627249C2 (de) * 1996-07-08 2002-01-17 Sicowa Verfahrenstech Verfahren zur Herstellung von praktisch phasenreinem Calciumsulfat-beta-Halbhydrat
RU2214374C2 (ru) * 2001-12-03 2003-10-20 Евгений Павлович Маков Способ получения строительного гипса
US7585485B2 (en) * 2006-07-03 2009-09-08 Tripoliven, C.A. Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials
US8226766B2 (en) 2010-12-22 2012-07-24 United States Gypsum Company Set accelerator for gypsum hydration
CN107512857B (zh) * 2017-09-01 2023-08-11 湖北三峡职业技术学院 采用磷石膏制备建筑石膏的方法及装置
CN110885200B (zh) * 2019-12-12 2021-10-01 郑州三迪建筑科技有限公司 一种磷石膏煅烧建筑石膏的综合热交换方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274784A (fr) * 1961-02-14
GB1187664A (en) * 1967-06-20 1970-04-15 Modular Plastics Developments Process for the Production of Plaster
NL6901450A (fr) * 1969-01-29 1970-07-31
FR2076260A5 (fr) * 1970-01-06 1971-10-15 Progil
SU366166A1 (ru) * 1971-05-10 1973-01-16 Государственный всесоюзный научно исследовательский институт строительных материалов , конструкций , Ленинградский ордена Трудового Красного Знамени технологический институт Ленсовета асЕСоюзн СПОСОБ ПОЛУЧЕНИЯ ГИПСОВОГО ВЯЖУЩЕГОitijF»>&" *-^ '?
GB1382595A (en) * 1971-06-09 1975-02-05 Carrieres & Fours Process for producing a building material comprising hydrated lime and plaster
DE2310799A1 (de) * 1972-03-08 1973-09-13 United States Gypsum Co Verfahren zum herstellen von calciniertem gips mit geringer dichte
GB1390098A (en) * 1972-06-05 1975-04-09 Carrieres & Fours Process for obtaining a building material containing hydrated lime and plaster

Also Published As

Publication number Publication date
FR2388771B1 (fr) 1982-05-28
NL7804637A (nl) 1978-10-31
JPS5415932A (en) 1979-02-06
GB2028783A (en) 1980-03-12
CH634806A5 (de) 1983-02-28
US4193812A (en) 1980-03-18
DE2815792A1 (de) 1978-11-02
JPS5934145B2 (ja) 1984-08-20
FR2388771A1 (fr) 1978-11-24
GB2028783B (en) 1982-03-03
DE2815792C2 (de) 1985-02-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LAFARGE S.A.

Effective date: 19870430