MA33005B1 - Procede de traitement du semi-hydrate de sulfate de calcium - Google Patents

Procede de traitement du semi-hydrate de sulfate de calcium

Info

Publication number
MA33005B1
MA33005B1 MA31979A MA31979A MA33005B1 MA 33005 B1 MA33005 B1 MA 33005B1 MA 31979 A MA31979 A MA 31979A MA 31979 A MA31979 A MA 31979A MA 33005 B1 MA33005 B1 MA 33005B1
Authority
MA
Morocco
Prior art keywords
calcium sulfate
hemhydrate
processing calcium
sulfate hemihydrate
processing
Prior art date
Application number
MA31979A
Other languages
Arabic (ar)
English (en)
Inventor
Robert Byron Bruce
Mark Richard Flumiani
Original Assignee
Nugyp Corp
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 Nugyp Corp filed Critical Nugyp Corp
Publication of MA33005B1 publication Critical patent/MA33005B1/fr

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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/0281—Kettles; Marmites; Autoclaves
    • C04B11/0282—Autoclaves, e.g. using chariots
    • 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
    • C04B11/007—After-treatment of the dehydration products, e.g. aging, stabilisation
    • 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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • 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
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • C04B28/147—Calcium sulfate hemi-hydrate with a specific crystal form beta-hemihydrate
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C04B2111/0062—Gypsum-paper board like materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Paper (AREA)

Abstract

La présente invention concerne un procédé de traitement du semi-hydrate de sulfate de calcium bêta. Le procédé consiste à exposer à la vapeur le semi-hydrate de sulfate de calcium bêta à une pression supérieure à la pression atmosphérique.
MA31979A 2006-12-20 2007-12-17 Procede de traitement du semi-hydrate de sulfate de calcium MA33005B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87103906P 2006-12-20 2006-12-20
PCT/CA2007/002300 WO2008074137A1 (fr) 2006-12-20 2007-12-17 Procédé de traitement du semi-hydrate de sulfate de calcium

Publications (1)

Publication Number Publication Date
MA33005B1 true MA33005B1 (fr) 2012-02-01

Family

ID=39535935

Family Applications (1)

Application Number Title Priority Date Filing Date
MA31979A MA33005B1 (fr) 2006-12-20 2007-12-17 Procede de traitement du semi-hydrate de sulfate de calcium

Country Status (22)

Country Link
US (2) US7824490B2 (fr)
EP (1) EP2061731B1 (fr)
JP (1) JP5518483B2 (fr)
KR (1) KR101432334B1 (fr)
CN (1) CN101563303B (fr)
AR (1) AR064812A1 (fr)
AU (1) AU2007335148B2 (fr)
BR (1) BRPI0717687B1 (fr)
CA (1) CA2670738C (fr)
CL (1) CL2007003763A1 (fr)
EA (1) EA015082B1 (fr)
EG (1) EG26845A (fr)
ES (1) ES2798001T3 (fr)
IL (1) IL198252A (fr)
MA (1) MA33005B1 (fr)
MY (1) MY150755A (fr)
NO (1) NO20092731L (fr)
NZ (1) NZ576864A (fr)
SA (1) SA07280743B1 (fr)
UA (1) UA99271C2 (fr)
WO (1) WO2008074137A1 (fr)
ZA (1) ZA200902747B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY150755A (en) * 2006-12-20 2014-02-28 Nugyp Corp Calcium sulfate hemihydrate treatment process
EP2116294A1 (fr) * 2008-05-09 2009-11-11 Claudius Peters Technologies GmbH Procédé et installation de calcination
EP2163532A1 (fr) 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Procédé et installation destinés à la fabrication de plâtre dur
JP5132494B2 (ja) * 2008-09-12 2013-01-30 Ｊｘ日鉱日石エネルギー株式会社 硫黄固化体製品の型枠装置
US20100300218A1 (en) * 2009-06-02 2010-12-02 Electric Power Research Institute, Inc. Dispersant application for clean-up of recirculation paths of a power producing facility during start-up
US8793897B2 (en) 2010-08-11 2014-08-05 Grenzebach Bsh Gmbh Process and device for stabilising, cooling and dehumidifying gypsum plaster
DE102010033988A1 (de) 2010-08-11 2012-02-16 Grenzebach Bsh Gmbh Verfahren und Vorrichtung zur Stabilisierung, Kühlung und Entfeuchtung von Stuckgips
GB2497574B (en) * 2011-12-15 2019-10-02 Saint Gobain Placo Sas A method of forming a gypsum based product
US8343273B1 (en) * 2012-03-30 2013-01-01 United States Gypsum Company Method of modifying beta stucco using diethylene-triamine-pentaacetic acid
EP2671854A1 (fr) 2012-06-06 2013-12-11 Etex Dryco SAS Procédé de stabilisation de plâtre demi-cuit béta
US20150158997A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Gypsum composite modifiers
EP2894135A1 (fr) * 2014-01-10 2015-07-15 Saint-Gobain Placo SAS Procédé de durcissement d'un produit de calcination de plâtre
US20160122197A1 (en) * 2014-11-03 2016-05-05 Georgia-Pacific Gypsum Llc Microwave heating for gypsum manufacturing processes
TWI726907B (zh) * 2015-09-04 2021-05-11 日商獅子股份有限公司 硫酸鈣粒子及其製造方法
EP3498675A1 (fr) * 2016-10-17 2019-06-19 Lidds AB Hémihydrate de sulfate de calcium ayant des propriétés uniques
MY194825A (en) * 2017-08-04 2022-12-19 Knauf Gips Kg Improvement of stucco properties through aging at elevated temperatures and high humidity level
CN114538884A (zh) * 2022-03-09 2022-05-27 千年舟新材科技集团股份有限公司 一种快凝早强成型木质板材及其制备方法

Family Cites Families (40)

* Cited by examiner, † Cited by third party
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US1713879A (en) * 1926-10-04 1929-05-21 Samuel G Mcanally Process of aging calcined gypsum
US1979704A (en) * 1930-08-05 1934-11-06 United States Gypsum Co Method of producing high strength calcined gypsum
US2177668A (en) * 1937-03-18 1939-10-31 Nat Gypsum Co Process of aging calcined gypsum
US2282091A (en) * 1938-10-17 1942-05-05 Oliver F Redd Process for preparing calcined gypsum
NL133712C (fr) * 1961-02-14 1971-10-15
US3415910A (en) 1967-01-11 1968-12-10 United States Gypsum Co Calcined gypsum and a method for its preparation
GB1233436A (fr) 1968-05-20 1971-05-26
US3527447A (en) * 1968-12-23 1970-09-08 United States Gypsum Co Process for the preparation of calcined gypsum
BE756667A (nl) 1969-09-26 1971-03-01 Geelen Hendrik E Van Werkwijze voor het bereiden van alpha-calciumsulfaathalfhydraat
DE2023853B2 (de) * 1970-05-15 1974-08-29 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Verfahren zur Alterungs-Behandlung frisch gebrannten Stuckgipses
DE2200532A1 (de) * 1972-01-07 1973-07-12 Rheinstahl Ag Verfahren und vorrichtung zum herstellen von mehrphasengipsen
GB1438632A (en) 1972-09-01 1976-06-09 Bpb Industries Ltd Calcination of gypsum
US4080422A (en) * 1975-06-30 1978-03-21 United States Gypsum Company Method for producing insoluble calcium sulfate anhydrite
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CA1140846A (fr) * 1980-01-10 1983-02-08 Robert B. Bruce Placoplatre a l'epreuve des affaissements et methode de production connexe
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CA1206980A (fr) 1983-04-11 1986-07-02 Robert B. Bruce Conversion du fluoranhydrite en platre
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DE3844938C2 (de) * 1987-05-22 1996-09-19 Pro Mineral Ges Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung
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FR2767815A1 (fr) * 1997-08-27 1999-02-26 Jean Couturier Procede de traitement de sulfate de calcium et liant hydraulique ainsi obtenu
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US6485821B1 (en) * 1999-02-25 2002-11-26 E. I. Du Pont De Nemours And Company Gypsum-based construction material
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JP2002249317A (ja) * 2001-02-20 2002-09-06 Noritake Co Ltd 半水石膏の製造方法
US6652825B2 (en) * 2001-05-01 2003-11-25 National Gypsum Properties Llc Method of producing calcium sulfate alpha-hemihydrate
FR2836913B1 (fr) * 2002-03-08 2006-11-24 Lafarge Platres Dispositif de sechage et/ou cuisson de gypse
US6800361B2 (en) * 2002-06-14 2004-10-05 E. I. Du Pont De Nemours And Company Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance
DE10260741A1 (de) * 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen
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PT1547984E (pt) 2003-12-19 2006-12-29 Lafarge Platres Método e dispositivo para estabilizar reboco
US7588634B2 (en) * 2006-09-20 2009-09-15 United States Gypsum Company Process for manufacturing ultra low consistency alpha- and beta- blend stucco
US7556791B2 (en) * 2006-12-20 2009-07-07 United States Gypsum Company Gypsum anhydrite fillers and process for making same
MY150755A (en) * 2006-12-20 2014-02-28 Nugyp Corp Calcium sulfate hemihydrate treatment process

Also Published As

Publication number Publication date
EA200970592A1 (ru) 2009-12-30
EP2061731A4 (fr) 2015-08-05
CN101563303A (zh) 2009-10-21
ZA200902747B (en) 2010-02-24
IL198252A0 (en) 2009-12-24
EG26845A (en) 2014-10-29
EA015082B1 (ru) 2011-04-29
AU2007335148A1 (en) 2008-06-26
WO2008074137A1 (fr) 2008-06-26
UA99271C2 (ru) 2012-08-10
AU2007335148B2 (en) 2012-10-04
JP2010513192A (ja) 2010-04-30
CL2007003763A1 (es) 2008-06-20
NO20092731L (no) 2009-09-17
SA07280743B1 (ar) 2011-06-22
ES2798001T3 (es) 2020-12-04
AR064812A1 (es) 2009-04-29
CA2670738A1 (fr) 2008-06-26
MY150755A (en) 2014-02-28
KR20090092808A (ko) 2009-09-01
CN101563303B (zh) 2013-05-01
KR101432334B1 (ko) 2014-09-19
NZ576864A (en) 2012-01-12
US20080148998A1 (en) 2008-06-26
JP5518483B2 (ja) 2014-06-11
US20110011311A1 (en) 2011-01-20
BRPI0717687B1 (pt) 2019-06-18
US8282731B2 (en) 2012-10-09
US7824490B2 (en) 2010-11-02
EP2061731B1 (fr) 2020-04-15
BRPI0717687A2 (pt) 2013-10-29
IL198252A (en) 2013-03-24
CA2670738C (fr) 2015-06-23
EP2061731A1 (fr) 2009-05-27

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