IE32810B1 - Alpha-calcium sulphate hemihydrate - Google Patents

Alpha-calcium sulphate hemihydrate

Info

Publication number
IE32810B1
IE32810B1 IE70469A IE70469A IE32810B1 IE 32810 B1 IE32810 B1 IE 32810B1 IE 70469 A IE70469 A IE 70469A IE 70469 A IE70469 A IE 70469A IE 32810 B1 IE32810 B1 IE 32810B1
Authority
IE
Ireland
Prior art keywords
calcium sulphate
modifier
sulphate hemihydrate
gypsum
powdered
Prior art date
Application number
IE70469A
Other languages
English (en)
Other versions
IE32810L (en
Original Assignee
Bpb Industries Ltd
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 Bpb Industries Ltd filed Critical Bpb Industries Ltd
Publication of IE32810L publication Critical patent/IE32810L/xx
Publication of IE32810B1 publication Critical patent/IE32810B1/xx

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
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers

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)
IE70469A 1968-05-28 1969-05-22 Alpha-calcium sulphate hemihydrate IE32810B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2549568A GB1262083A (en) 1968-05-28 1968-05-28 alpha-CALCIUM SULPHATE HEMIHYDRATE

Publications (2)

Publication Number Publication Date
IE32810L IE32810L (en) 1969-11-28
IE32810B1 true IE32810B1 (en) 1973-12-12

Family

ID=10228621

Family Applications (1)

Application Number Title Priority Date Filing Date
IE70469A IE32810B1 (en) 1968-05-28 1969-05-22 Alpha-calcium sulphate hemihydrate

Country Status (10)

Country Link
BE (1) BE733737A (en))
DE (1) DE1927015B2 (en))
DK (1) DK131772C (en))
FR (1) FR1599625A (en))
GB (1) GB1262083A (en))
IE (1) IE32810B1 (en))
LU (1) LU58733A1 (en))
NL (1) NL6908130A (en))
NO (1) NO124990B (en))
SE (1) SE366531B (en))

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1547422A (en) * 1975-03-31 1979-06-20 Japan Government Manufacture of gypsum
DE3222865C2 (de) * 1981-07-10 1992-10-22 Steag Ag, 4300 Essen Verfahren zum Granulieren von bei chemischen Prozessen anfallendem Gips und Verwendung einer Kompaktierungseinrichtung zum Granulieren von Gips nach dem Verfahren
DE3502637A1 (de) * 1985-01-26 1986-09-11 Frank W. Dr.-Ing. 6600 Saarbrücken Fink Verfahren zum kalzinieren von stueckigem rauchgasentschwefelungsgips mittels dampfeinwirkung
DE3711367A1 (de) * 1987-04-04 1988-10-13 Rwk Rhein Westfael Kalkwerke Verfahren zur herstellung von calciumsulfat-halbhydrat
DE3819652C3 (de) * 1987-05-22 1996-08-01 Pro Mineral Ges Verfahren zur Erzeugung von als Baustoff geeignetem Calciumsulfat-Alphahalbhydrat aus feuchtem, feinteiligem Rauchgasentschwefelungsgips und seine Verwendung
DE3816513C3 (de) * 1987-05-22 1998-10-01 Pro Mineral Ges Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung
DE4217978A1 (de) * 1992-05-30 1993-12-02 Heidelberger Zement Ag Verfahren zur Herstellung von ALPHA-Halbhydrat aus Calciumsulfat-Dihydrat in einem Reaktor
RU2212384C1 (ru) * 2002-03-06 2003-09-20 Нижегородский государственный архитектурно-строительный университет Способ получения высокопрочного гипсового вяжущего
RU2400444C1 (ru) * 2008-12-31 2010-09-27 Юрий Георгиевич Мещеряков Способ производства гипсовых строительных материалов
TR201821015T4 (tr) * 2012-07-12 2019-01-21 Knauf Gips Kg Kalsi̇ne edi̇lmi̇ş alçitaşi üretmek i̇çi̇n bi̇r i̇şlem.
CN106044826A (zh) * 2016-05-26 2016-10-26 东南大学 一种用于生产α型高强石膏的转晶剂

Also Published As

Publication number Publication date
LU58733A1 (en)) 1969-09-12
DK131772B (da) 1975-09-01
GB1262083A (en) 1972-02-02
DK131772C (da) 1976-02-02
DE1927015A1 (de) 1969-12-04
NL6908130A (en)) 1969-12-02
NO124990B (en)) 1972-07-03
IE32810L (en) 1969-11-28
BE733737A (en)) 1969-11-03
SE366531B (en)) 1974-04-29
DE1927015B2 (de) 1976-12-16
FR1599625A (en)) 1970-07-15

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