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TNSN08241A1 - PROCESS FOR STABILIZING METASTABLE SOLUBLE ANHYDRITE III, PROCESS FOR PREPARING STABILIZED SOLUBLE HYDROCHLORIC BASED HYDRAULIC BINDER, OBTAINED HYDRAULIC BINDER, USE OF THE BINDER AND INDUSTRIAL PLANT FOR IMPLEMENTING SUCH PROCESS - Google Patents

PROCESS FOR STABILIZING METASTABLE SOLUBLE ANHYDRITE III, PROCESS FOR PREPARING STABILIZED SOLUBLE HYDROCHLORIC BASED HYDRAULIC BINDER, OBTAINED HYDRAULIC BINDER, USE OF THE BINDER AND INDUSTRIAL PLANT FOR IMPLEMENTING SUCH PROCESS

Info

Publication number
TNSN08241A1
TNSN08241A1 TNP2008000241A TNSN08241A TNSN08241A1 TN SN08241 A1 TNSN08241 A1 TN SN08241A1 TN P2008000241 A TNP2008000241 A TN P2008000241A TN SN08241 A TNSN08241 A TN SN08241A TN SN08241 A1 TNSN08241 A1 TN SN08241A1
Authority
TN
Tunisia
Prior art keywords
hydraulic binder
binder
anhydrite iii
soluble
soluble anhydrite
Prior art date
Application number
TNP2008000241A
Other languages
French (fr)
Inventor
Edouard Dumoulin
Crisanto Palacios
Original Assignee
Gypsmix (Sarl)
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
Priority claimed from PCT/EP2006/010828 external-priority patent/WO2007065527A2/en
Application filed by Gypsmix (Sarl) filed Critical Gypsmix (Sarl)
Publication of TNSN08241A1 publication Critical patent/TNSN08241A1/en

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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

L'invention a pour objet un procédé pour stabiliser de l'anhydrite III soluble métastable ainsi qu'un procédé de préparation d'un liant hydraulique à base d'anhydrite III soluble stabilisé. Elle a également pour objet le liant hydraulique obtenu ainsi que l'utilisation de ce liant hydraulique dans l'industrie cimentaire. Elle a encore pour objet une installation industrielle permettant la mise en oeuvre d'un tel procédé. Selon l'invention, on stabilise de l'anhydrite III soluble métastable, en appliquant une contrainte mécanique sur les particules d'anhydrite III soluble métastable de manière à modifier leur structure cristalline et stabiliser leur phase métastable. L'objectif de la présente invention est de stabiliser des particules d'anhydrite III soluble métastable, sans avoir recours aux étapes habituelles de chauffage suivi d'une trempe desdites particules.The invention relates to a method for stabilizing metastable soluble anhydrite III and a process for preparing a stabilized soluble anhydrite III hydraulic binder. It also relates to the hydraulic binder obtained and the use of this hydraulic binder in the cement industry. It also relates to an industrial installation for the implementation of such a method. According to the invention, metastable soluble anhydrite III is stabilized by applying a mechanical stress on the metastable soluble anhydrite III particles so as to modify their crystalline structure and stabilize their metastable phase. The object of the present invention is to stabilize metastable soluble anhydrite III particles without resorting to the usual steps of heating followed by quenching said particles.

TNP2008000241A 2005-12-07 2008-06-05 PROCESS FOR STABILIZING METASTABLE SOLUBLE ANHYDRITE III, PROCESS FOR PREPARING STABILIZED SOLUBLE HYDROCHLORIC BASED HYDRAULIC BINDER, OBTAINED HYDRAULIC BINDER, USE OF THE BINDER AND INDUSTRIAL PLANT FOR IMPLEMENTING SUCH PROCESS TNSN08241A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB2005/004006 WO2007066167A1 (en) 2005-12-07 2005-12-07 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
PCT/EP2006/010828 WO2007065527A2 (en) 2005-12-07 2006-11-10 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 out said method

Publications (1)

Publication Number Publication Date
TNSN08241A1 true TNSN08241A1 (en) 2009-10-30

Family

ID=36676098

Family Applications (1)

Application Number Title Priority Date Filing Date
TNP2008000241A TNSN08241A1 (en) 2005-12-07 2008-06-05 PROCESS FOR STABILIZING METASTABLE SOLUBLE ANHYDRITE III, PROCESS FOR PREPARING STABILIZED SOLUBLE HYDROCHLORIC BASED HYDRAULIC BINDER, OBTAINED HYDRAULIC BINDER, USE OF THE BINDER AND INDUSTRIAL PLANT FOR IMPLEMENTING SUCH PROCESS

Country Status (5)

Country Link
EP (1) EP2079669A1 (en)
CN (1) CN101454256B (en)
TN (1) TNSN08241A1 (en)
WO (1) WO2007066167A1 (en)
ZA (1) ZA200805863B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110034A1 (en) 2008-04-17 2009-10-21 Philip Morris Products S.A. An electrically heated smoking system
FR2933688B1 (en) * 2008-07-11 2011-05-13 K And Co PROCESS FOR THE INDUSTRIAL MANUFACTURE OF ANHYDROUS CALCIUM SULFATE COMPOSITIONS IN THE FORM BETA ANHYDRITE III 'COMPOSITIONS AND CORRESPONDING BINDERS
EP2253233A1 (en) 2009-05-21 2010-11-24 Philip Morris Products S.A. An electrically heated smoking system
FR2947258B1 (en) * 2009-06-26 2011-07-22 K And Co METHOD FOR THE DRY PROCESS OF ANHYDROUS CALCIUM SULPHATE IN THE FORM BETA ANHYDRITE III FROM CALCIUM SULPHATE HEMIHYDRATE
EP2327318A1 (en) 2009-11-27 2011-06-01 Philip Morris Products S.A. An electrically heated smoking system with internal or external heater
WO2013112060A1 (en) 2012-01-27 2013-08-01 Columbeanu Ion Hydraulic binder based on calcium sulphate, process for producing the same and specific uses thereof
CN105197978B (en) * 2015-09-17 2016-11-30 北新集团建材股份有限公司 A kind of device utilizing secondary flash steam to produce Gypsum Fibrosum preparata
CN113754328B (en) * 2021-09-30 2023-01-31 安徽六国化工股份有限公司 Stable-structure hemihydrate-anhydrous calcium sulfate mixture and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954492A (en) * 1972-01-03 1976-05-04 Gebruder Knauf West Deutsche Gipswerke Calcium sulphate anhydrite mortar
DD106814A1 (en) * 1972-12-11 1974-07-05
DE2827912A1 (en) * 1977-10-13 1979-04-19 Simmering Graz Pauker Ag METHOD AND DEVICE FOR PRODUCING ACTIVATED MIXTURE MINERAL COMPONENTS
US4502901A (en) * 1983-10-19 1985-03-05 National Gypsum Company Manufacture of gypsum board from FGD gypsum
FR2804423B1 (en) * 2000-01-28 2002-11-22 Energetic Ind Internat ANHYDRITE III OR ALPHA STABILIZED, PROCESS AND INDUSTRIAL PRODUCTION FACILITY

Also Published As

Publication number Publication date
WO2007066167A1 (en) 2007-06-14
CN101454256B (en) 2013-04-24
EP2079669A1 (en) 2009-07-22
CN101454256A (en) 2009-06-10
ZA200805863B (en) 2009-11-25

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