FR2947258B1 - METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE - Google Patents

METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE

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
French (fr)
Other versions
FR2947258A1 (en
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/en
Publication of FR2947258A1 publication Critical patent/FR2947258A1/en
Application granted granted Critical
Publication of FR2947258B1 publication Critical patent/FR2947258B1/en
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 METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE Expired - Fee Related FR2947258B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0954380A FR2947258B1 (en) 2009-06-26 2009-06-26 METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0954380A FR2947258B1 (en) 2009-06-26 2009-06-26 METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE

Publications (2)

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

Family

ID=41560372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0954380A Expired - Fee Related FR2947258B1 (en) 2009-06-26 2009-06-26 METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE

Country Status (1)

Country Link
FR (1) FR2947258B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112018008747A8 (en) * 2015-10-28 2019-02-26 Inkaya Yonca mix of building material for construction
CN118047551B (en) * 2024-02-04 2024-07-26 中国新型建材设计研究院有限公司 Control method of energy-saving ultralow-pressure steam calcined gypsum fluidized bed furnace

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 (en) * 1974-06-28 1976-01-23 Rhone Poulenc Ind PLASTER PREPARATION PROCESS
US4080422A (en) * 1975-06-30 1978-03-21 United States Gypsum Company Method for producing insoluble calcium sulfate anhydrite
DD296058A5 (en) * 1990-02-19 1991-11-21 Veb Zementwerke Ruedersdorf,De PROCESS FOR DEHYDRATING GRAVES
DE4208836A1 (en) * 1992-03-19 1993-09-23 Zementanlagen Und Maschinenbau Calcined gypsum prodn. - by introducing material into hot gas flow at different temp. points and returning exhaust gas to main gas flow at different temp. points
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 (en) * 2003-06-26 2006-12-22 Couturier Jean PROCESS FOR PREPARING ANHYDRITE III STABILIZED FROM PLASTER
WO2007066167A1 (en) * 2005-12-07 2007-06-14 Gypsmix (Sarl) Process for preparing a stabilized soluble anhydrite iii-based hydraulic binder, hydraulic binder obtained, use of said binder and industrial installation for implementing the process
AP2008004526A0 (en) * 2005-12-07 2008-08-31 Gypsmix Sarl Method for stabilising metastable soluble anhydrite III, method for producing a hydraulic binder based thereon, the obtained hydraulic binder, the uses thereof and an industrial plant for carrying outsaid method
ES2289931B2 (en) * 2006-01-13 2008-08-16 Christian Palacios Gazules IMPROVEMENTS INTRODUCED IN MAIN PATENT P200600084 CONCERNING A PROCEDURE FOR OBTAINING STABILIZED ANHYDRITE III.

Also Published As

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

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Legal Events

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

Effective date: 20160229