ZA200902747B - Calcium sulfate hemihydrate treatment process - Google Patents

Calcium sulfate hemihydrate treatment process

Info

Publication number
ZA200902747B
ZA200902747B ZA2009/02747A ZA200902747A ZA200902747B ZA 200902747 B ZA200902747 B ZA 200902747B ZA 2009/02747 A ZA2009/02747 A ZA 2009/02747A ZA 200902747 A ZA200902747 A ZA 200902747A ZA 200902747 B ZA200902747 B ZA 200902747B
Authority
ZA
South Africa
Prior art keywords
treatment process
calcium sulfate
sulfate hemihydrate
hemihydrate treatment
calcium
Prior art date
Application number
ZA2009/02747A
Other languages
English (en)
Inventor
Robert Byron Bruce
Mark Richard Flumiani
Charles E Blow
Original Assignee
The 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 The Nugyp Corp filed Critical The Nugyp Corp
Publication of ZA200902747B publication Critical patent/ZA200902747B/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
    • C04B11/02—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)
ZA2009/02747A 2006-12-20 2009-04-21 Calcium sulfate hemihydrate treatment process ZA200902747B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87103906P 2006-12-20 2006-12-20
PCT/CA2007/002300 WO2008074137A1 (en) 2006-12-20 2007-12-17 Calcium sulfate hemihydrate treatment process

Publications (1)

Publication Number Publication Date
ZA200902747B true ZA200902747B (en) 2010-02-24

Family

ID=39535935

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2009/02747A ZA200902747B (en) 2006-12-20 2009-04-21 Calcium sulfate hemihydrate treatment process

Country Status (22)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007335148B2 (en) * 2006-12-20 2012-10-04 Gypsum Technologies Inc. Calcium sulfate hemihydrate treatment process
EP2116294A1 (de) * 2008-05-09 2009-11-11 Claudius Peters Technologies GmbH Kalzinierverfahren und- anlage
EP2163532A1 (de) 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Verfahren und Anlage zur Herstellung von Hartgips
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
DE102010033988A1 (de) * 2010-08-11 2012-02-16 Grenzebach Bsh Gmbh Verfahren und Vorrichtung zur Stabilisierung, Kühlung und Entfeuchtung von Stuckgips
US8793897B2 (en) 2010-08-11 2014-08-05 Grenzebach Bsh Gmbh Process and device for stabilising, cooling and dehumidifying gypsum plaster
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 (en) 2012-06-06 2013-12-11 Etex Dryco SAS Method for stabilizing beta-hemihydrate plaster
US20150158997A1 (en) 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Gypsum composite modifiers
EP2894135A1 (en) 2014-01-10 2015-07-15 Saint-Gobain Placo SAS Method of curing a gypsum calcination product
WO2016073393A1 (en) * 2014-11-03 2016-05-12 Georgia-Pacific Gypsum Llc Microwave heating for gypsum manufacturing processes
AU2016316229B2 (en) * 2015-09-04 2021-03-11 Lion Corporation Ethoxylation catalyst and manufacturing method therefor
IL266008B (en) * 2016-10-17 2022-08-01 Lidds Ab A new method for producing calcium sulphate hemihydrate with unique properties
KR102408499B1 (ko) 2017-08-04 2022-06-13 크나우프 깁스 카게 고온 및 높은 습도 수준에서의 에이징을 통한 스투코 특성의 개선
CN114096223A (zh) 2019-07-12 2022-02-25 波士胶公司 适用于一次性卫生制品的不含增粘剂的热熔粘合剂组合物
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
CN118044451B (zh) * 2022-11-15 2025-10-31 重庆同多利科技有限公司 一种实现钛石膏低碳无害化及生产多孔基质的方法

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (https=) * 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 (https=) 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
US4201595A (en) * 1977-03-14 1980-05-06 United States Gypsum Company Process for preparing calcined gypsum and gypsum board
US4238445A (en) * 1979-07-02 1980-12-09 United States Gypsum Company Process for manufacturing gypsum board
CA1140846A (en) 1980-01-10 1983-02-08 Robert B. Bruce Sag-resistant gypsum board and method
GB2086874B (en) 1980-11-10 1985-09-04 Bpb Industries Plc Calcining calcium sulphate dihydrate
US4360386A (en) * 1981-04-06 1982-11-23 United States Gypsum Company Treating calcined gypsum with solubilizing agent
CA1189434A (en) 1982-02-16 1985-06-25 Robert B. Bruce Wallboard made from gypsum and plastic facing material
CA1206980A (en) 1983-04-11 1986-07-02 Robert B. Bruce Conversion of fluoroanhydrite to plaster
US4533528A (en) * 1983-07-15 1985-08-06 United States Gypsum Company Process for continuously calcining gypsum to low dispersed consistency stucco
DE3844938C2 (de) * 1987-05-22 1996-09-19 Pro Mineral Ges Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung
DE3738301A1 (de) 1987-11-11 1989-05-24 Peters Ag Claudius Verfahren und vorrichtung zum brennen von gips
DD296058A5 (de) * 1990-02-19 1991-11-21 Veb Zementwerke Ruedersdorf,De Verfahren zum dehydratisieren von anfallgipsen
DE19606075C2 (de) * 1996-02-19 2000-02-17 Sulzer Chemtech Gmbh Verfahren und Vorrichtungen zur thermischen Behandlung von Gips
DE19627250C2 (de) * 1996-07-08 1998-07-02 Sicowa Verfahrenstech Verfahren zur Herstellung von praktisch phasenreinem Calciumsulfat-beta-Halbhydrat
FR2767815A1 (fr) * 1997-08-27 1999-02-26 Jean Couturier Procede de traitement de sulfate de calcium et liant hydraulique ainsi obtenu
US6485821B1 (en) 1999-02-25 2002-11-26 E. I. Du Pont De Nemours And Company Gypsum-based construction material
US6703331B1 (en) 1999-02-25 2004-03-09 E. I. Du Pont De Nemours And Company Fungus resistant gypsum-based substrate
US6221151B1 (en) 1999-08-16 2001-04-24 National Gypsum Company Gypsum set accelerator and method of making the same
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
US6964704B2 (en) 2003-03-20 2005-11-15 G.B. Technologies, Llc Calcium sulphate-based composition and methods of making same
DE60307659T2 (de) * 2003-12-19 2007-10-04 Lafarge Platres Verfahren zum Stabilisieren eines gebrannten Halbhydratgipses
US7588634B2 (en) 2006-09-20 2009-09-15 United States Gypsum Company Process for manufacturing ultra low consistency alpha- and beta- blend stucco
AU2007335148B2 (en) * 2006-12-20 2012-10-04 Gypsum Technologies Inc. Calcium sulfate hemihydrate treatment process
US7556791B2 (en) * 2006-12-20 2009-07-07 United States Gypsum Company Gypsum anhydrite fillers and process for making same

Also Published As

Publication number Publication date
KR101432334B1 (ko) 2014-09-19
EP2061731A4 (en) 2015-08-05
US7824490B2 (en) 2010-11-02
IL198252A (en) 2013-03-24
NO20092731L (no) 2009-09-17
EA200970592A1 (ru) 2009-12-30
AR064812A1 (es) 2009-04-29
SA07280743B1 (ar) 2011-06-22
AU2007335148A1 (en) 2008-06-26
CN101563303A (zh) 2009-10-21
MY150755A (en) 2014-02-28
MA33005B1 (fr) 2012-02-01
US20110011311A1 (en) 2011-01-20
EG26845A (en) 2014-10-29
EA015082B1 (ru) 2011-04-29
AU2007335148B2 (en) 2012-10-04
US20080148998A1 (en) 2008-06-26
JP2010513192A (ja) 2010-04-30
EP2061731B1 (en) 2020-04-15
NZ576864A (en) 2012-01-12
BRPI0717687B1 (pt) 2019-06-18
CA2670738A1 (en) 2008-06-26
WO2008074137A1 (en) 2008-06-26
IL198252A0 (en) 2009-12-24
CA2670738C (en) 2015-06-23
EP2061731A1 (en) 2009-05-27
US8282731B2 (en) 2012-10-09
CN101563303B (zh) 2013-05-01
JP5518483B2 (ja) 2014-06-11
KR20090092808A (ko) 2009-09-01
UA99271C2 (ru) 2012-08-10
ES2798001T3 (es) 2020-12-04
BRPI0717687A2 (pt) 2013-10-29
CL2007003763A1 (es) 2008-06-20

Similar Documents

Publication Publication Date Title
ZA200902747B (en) Calcium sulfate hemihydrate treatment process
GB2426008B (en) Treatment process for concrete
GB2445465B (en) Process for waste treatment
EG26797A (en) Cement production process
EP2032131A4 (en) Methods of Treatment
IL193451A0 (en) Surgical devices for treating pelvic conditions
IL227641A0 (en) Methods for treating arthritis
GB0624874D0 (en) Treatment
GB2449996B (en) Effluent treatment process
TWI367274B (en) Composition for fabric treatment
GB0610746D0 (en) Method of treatment
GB0607293D0 (en) Plant treatment method
PT1928783T (pt) Tratamento de cal viva que contém um alto teor de sulfato
HUP0800567A2 (en) Sewage treatment plant
PL2041083T3 (pl) Sposoby otrzymywania zofenoprylu wapnia
GB0607952D0 (en) Novel treatment
HK1134278A (en) Calcium sulfate hemihydrate treatment process
PL2009121T3 (pl) Sposób przetwarzania odpadów
EP2094385A4 (en) METHOD OF WASTE WATER TREATMENT
GB0604460D0 (en) Treatment
AP2926A (en) Process for treating sulphate-containing effluent
EP2056811A4 (en) MODAFINIL TREATMENT AGAINST EARLY EJACULATION
GB0624439D0 (en) Technique for treatment of gall-and kidney-stones
GB0615035D0 (en) Process for the production of lime
IL188048A0 (en) Weste treatment process