FR2947258B1 - Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium. - Google Patents

Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium.

Info

Publication number
FR2947258B1
FR2947258B1 FR0954380A FR0954380A FR2947258B1 FR 2947258 B1 FR2947258 B1 FR 2947258B1 FR 0954380 A FR0954380 A FR 0954380A FR 0954380 A FR0954380 A FR 0954380A FR 2947258 B1 FR2947258 B1 FR 2947258B1
Authority
FR
France
Prior art keywords
calcium sulphate
dry process
form beta
anhydrite iii
hemihydrate
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.)
Expired - Fee Related
Application number
FR0954380A
Other languages
English (en)
Other versions
FR2947258A1 (fr
Inventor
Christophe Baux
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.)
K AND CO
Original Assignee
K AND CO
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 K AND CO filed Critical K AND CO
Priority to FR0954380A priority Critical patent/FR2947258B1/fr
Publication of FR2947258A1 publication Critical patent/FR2947258A1/fr
Application granted granted Critical
Publication of FR2947258B1 publication Critical patent/FR2947258B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C04B11/05—Calcium sulfate cements obtaining anhydrite, e.g. Keene's cement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR0954380A 2009-06-26 2009-06-26 Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium. Expired - Fee Related FR2947258B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0954380A FR2947258B1 (fr) 2009-06-26 2009-06-26 Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0954380A FR2947258B1 (fr) 2009-06-26 2009-06-26 Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium.

Publications (2)

Publication Number Publication Date
FR2947258A1 FR2947258A1 (fr) 2010-12-31
FR2947258B1 true FR2947258B1 (fr) 2011-07-22

Family

ID=41560372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0954380A Expired - Fee Related FR2947258B1 (fr) 2009-06-26 2009-06-26 Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium.

Country Status (1)

Country Link
FR (1) FR2947258B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112018008747A8 (pt) * 2015-10-28 2019-02-26 Inkaya Yonca mistura de material de construção para construção

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB696799A (en) * 1951-03-03 1953-09-09 Joseph Lecher Improvements in or relating to processing materials
FR2276276A1 (fr) * 1974-06-28 1976-01-23 Rhone Poulenc Ind Procede de preparation de platre
US4080422A (en) * 1975-06-30 1978-03-21 United States Gypsum Company Method for producing insoluble calcium sulfate anhydrite
DD296058A5 (de) * 1990-02-19 1991-11-21 Veb Zementwerke Ruedersdorf,De Verfahren zum dehydratisieren von anfallgipsen
DE4208836A1 (de) * 1992-03-19 1993-09-23 Zementanlagen Und Maschinenbau Verfahren und vorrichtung zur herstellung von branntgips
US5743728A (en) * 1995-08-15 1998-04-28 Usg Corporation Method and system for multi-stage calcining of gypsum to produce an anhydrite product
US6715705B2 (en) * 2001-03-16 2004-04-06 Frank F. Rowley, Jr. Two-stage comminuting and dehydrating system and method
FR2856679B1 (fr) * 2003-06-26 2006-12-22 Couturier Jean Procede de preparation d'anhydrite iii stabilise a partir de platre.
WO2007066167A1 (fr) * 2005-12-07 2007-06-14 Gypsmix (Sarl) Procede de preparation d'un liant hydraulique a base d'anhydrite iii soluble stabilise', liant hydraulique obtenu, utilisation de ce liant et installation industrielle pour la mise en oeuvre du procede'
JP2009534279A (ja) * 2005-12-07 2009-09-24 ジプスミックス（エス アー アール エル） 準安定状態の可溶性ｉｉｉ型無水石膏を安定させるための方法、安定した可溶性ｉｉｉ型無水石膏を主成分にした水硬性結合剤の製造方法、得られた水硬性結合剤、この結合剤の使用及びこのような方法の実施のための工業設備
ES2289931B2 (es) * 2006-01-13 2008-08-16 Christian Palacios Gazules Mejoras introducidas en la patente principal p200600084 relativa a un procedimiento de obtencion de anhidrita iii estabilizada.

Also Published As

Publication number Publication date
FR2947258A1 (fr) 2010-12-31

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FR2947258B1 (fr) Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium.

Legal Events

Date Code Title Description
AN Official adjudication published
ST Notification of lapse

Effective date: 20160229