WO2007080202A3 - Procedimiento de obtención de anhidrita iii estabilizada - Google Patents

Procedimiento de obtención de anhidrita iii estabilizada Download PDF

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Publication number
WO2007080202A3
WO2007080202A3 PCT/ES2006/070195 ES2006070195W WO2007080202A3 WO 2007080202 A3 WO2007080202 A3 WO 2007080202A3 ES 2006070195 W ES2006070195 W ES 2006070195W WO 2007080202 A3 WO2007080202 A3 WO 2007080202A3
Authority
WO
WIPO (PCT)
Prior art keywords
anhydrite iii
dryer
obtaining
stabilised
temperatures
Prior art date
Application number
PCT/ES2006/070195
Other languages
English (en)
French (fr)
Other versions
WO2007080202A2 (es
WO2007080202B1 (es
Inventor
Gazules Christian Palacios
Gazules Jose Maria Palacios
Gazules Sergio Palacios
Original Assignee
Gazules Christian Palacios
Gazules Jose Maria Palacios
Gazules Sergio Palacios
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 ES200600084A external-priority patent/ES2289914B2/es
Application filed by Gazules Christian Palacios, Gazules Jose Maria Palacios, Gazules Sergio Palacios filed Critical Gazules Christian Palacios
Priority to EP06841802A priority Critical patent/EP2025652A2/en
Publication of WO2007080202A2 publication Critical patent/WO2007080202A2/es
Publication of WO2007080202A3 publication Critical patent/WO2007080202A3/es
Publication of WO2007080202B1 publication Critical patent/WO2007080202B1/es

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processing Of Solid Wastes (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

Procedimiento de obtención de anhidrita III estabilizada que comprende una etapa de secado en un secador curvo a temperaturas comprendidas entre 100ºC-400ºC, y una segunda etapa de estabilización de la anhidrita III en un secador recto donde la estabilización será función de la velocidad de paso y de la temperatura de entrada y salida del producto y donde existe la posibilidad de vaporizar el producto que sale del secador recto.
PCT/ES2006/070195 2006-01-13 2006-12-14 Procedimiento de obtención de anhidrita iii estabilizada WO2007080202A2 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06841802A EP2025652A2 (en) 2006-01-13 2006-12-14 Method for obtaining stabilised anhydrite iii

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ESP200600084 2006-01-13
ES200600084A ES2289914B2 (es) 2006-01-13 2006-01-13 Procedimiento de obtencion de anhidrita iii estabilizada.
ES200601612 2006-06-15
ES200601612A ES2289931B2 (es) 2006-01-13 2006-06-15 Mejoras introducidas en la patente principal p200600084 relativa a un procedimiento de obtencion de anhidrita iii estabilizada.

Publications (3)

Publication Number Publication Date
WO2007080202A2 WO2007080202A2 (es) 2007-07-19
WO2007080202A3 true WO2007080202A3 (es) 2007-10-18
WO2007080202B1 WO2007080202B1 (es) 2007-11-29

Family

ID=38137357

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2006/070195 WO2007080202A2 (es) 2006-01-13 2006-12-14 Procedimiento de obtención de anhidrita iii estabilizada

Country Status (4)

Country Link
EP (1) EP2025652A2 (es)
ES (1) ES2289931B2 (es)
MA (1) MA30211B1 (es)
WO (1) WO2007080202A2 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2933688B1 (fr) * 2008-07-11 2011-05-13 K And Co Procede de fabrication industrielle de compositions a base de sulfate de calcium anhydre sous forme beta anhydrite iii' compositions et liants correspondants.
FR2947258B1 (fr) * 2009-06-26 2011-07-22 K And Co Procede d'obtention en voie seche de sulfate de calcium anhydre sous forme beta anhydrite iii a partir d'hemihydrate de sulfate de calcium.
EP2671854A1 (en) 2012-06-06 2013-12-11 Etex Dryco SAS Method for stabilizing beta-hemihydrate plaster

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080422A (en) * 1975-06-30 1978-03-21 United States Gypsum Company Method for producing insoluble calcium sulfate anhydrite
US4569831A (en) * 1985-04-01 1986-02-11 Fuller Company Process and apparatus for calcining gypsum
FR2767816A1 (fr) * 1997-08-27 1999-03-05 Jean Couturier Procede de fabrication d'un liant hydraulique a base d'anhydrite iii ou alpha et liant hydraulique ainsi obtenu
FR2856679A1 (fr) * 2003-06-26 2004-12-31 Couturier Jean Procede de preparation d'anhydrite iii stabilise a partir de platre.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080422A (en) * 1975-06-30 1978-03-21 United States Gypsum Company Method for producing insoluble calcium sulfate anhydrite
US4569831A (en) * 1985-04-01 1986-02-11 Fuller Company Process and apparatus for calcining gypsum
FR2767816A1 (fr) * 1997-08-27 1999-03-05 Jean Couturier Procede de fabrication d'un liant hydraulique a base d'anhydrite iii ou alpha et liant hydraulique ainsi obtenu
FR2856679A1 (fr) * 2003-06-26 2004-12-31 Couturier Jean Procede de preparation d'anhydrite iii stabilise a partir de platre.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MURAT M ET AL: "ACTIVATION OF SOLIDS BY MECHANICAL GRINDING, CONSEQUENCES FOR CALORIMETRIC INVESTIGATION ON THE HYDRATION RATE OF ORTHORHOMBIC ANHYDRITE", THERMOCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 85, 1985, pages 119 - 122, XP008066981, ISSN: 0040-6031 *

Also Published As

Publication number Publication date
MA30211B1 (fr) 2009-02-02
ES2289931B2 (es) 2008-08-16
WO2007080202A2 (es) 2007-07-19
ES2289931A1 (es) 2008-02-01
WO2007080202B1 (es) 2007-11-29
EP2025652A2 (en) 2009-02-18

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