DK148630C - Fremgangsmaade til calcinering af gips - Google Patents

Fremgangsmaade til calcinering af gips

Info

Publication number
DK148630C
DK148630C DK472673A DK472673A DK148630C DK 148630 C DK148630 C DK 148630C DK 472673 A DK472673 A DK 472673A DK 472673 A DK472673 A DK 472673A DK 148630 C DK148630 C DK 148630C
Authority
DK
Denmark
Prior art keywords
gyps
calcinating
procedure
calcinating gyps
Prior art date
Application number
DK472673A
Other languages
English (en)
Other versions
DK148630B (da
Inventor
Frank Geoffrey Flood
Norman Mcloughlin
Kenneth Wood Jones
Clive Offley Court
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 DK148630B publication Critical patent/DK148630B/da
Application granted granted Critical
Publication of DK148630C publication Critical patent/DK148630C/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates
    • C01F11/466Conversion of one form of calcium sulfate to another
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00Calcium sulfate cements
    • C04B11/02Methods and apparatus for dehydrating gypsum
    • C04B11/024Ingredients added before, or during, the calcining process, e.g. calcination modifiers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Building Environments (AREA)
DK472673A 1972-09-01 1973-08-28 Fremgangsmaade til calcinering af gips DK148630C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4074872 1972-09-01
GB4074872A GB1438632A (en) 1972-09-01 1972-09-01 Calcination of gypsum

Publications (2)

Publication Number Publication Date
DK148630B DK148630B (da) 1985-08-19
DK148630C true DK148630C (da) 1986-01-20

Family

ID=10416421

Family Applications (1)

Application Number Title Priority Date Filing Date
DK472673A DK148630C (da) 1972-09-01 1973-08-28 Fremgangsmaade til calcinering af gips

Country Status (20)

Country Link
US (1) US3898316A (da)
JP (1) JPS4993410A (da)
AT (1) AT339806B (da)
AU (1) AU477312B2 (da)
BE (1) BE804162A (da)
CA (1) CA999118A (da)
CH (1) CH575352A5 (da)
DE (1) DE2343851A1 (da)
DK (1) DK148630C (da)
ES (1) ES418262A1 (da)
FR (1) FR2197817B1 (da)
GB (1) GB1438632A (da)
IE (1) IE38093B1 (da)
IN (1) IN140347B (da)
IT (1) IT995242B (da)
LU (1) LU68331A1 (da)
NL (1) NL7312078A (da)
NO (1) NO136146C (da)
SE (1) SE382627B (da)
ZA (1) ZA735661B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744961A (en) * 1985-04-25 1988-05-17 United States Gypsum Company Submerged combustion calcination
DE3765427D1 (de) * 1986-12-18 1990-11-08 Gebhard Georg Dr Rer Nat Verfahren zur in-situ-gewinnung von calciumsulfathalbhydrat und/oder calciumsulfat (anhydrit) aus dem waescher einer nassen rauchgasentschwefelungsanlage.
DE3709393A1 (de) * 1987-03-21 1988-09-29 Saarbergwerke Ag Verfahren zur umwandlung von calciumsulfatdihydrat in (alpha)-halbhydrat
BRPI0717687B1 (pt) 2006-12-20 2019-06-18 Gypsum Technologies Inc. Processo para tratar sulfato de cálcio semi-hidratado beta
GB0708382D0 (en) * 2007-05-01 2007-06-06 Bpb Plc Gypsum based compositions
US20150376063A1 (en) * 2014-06-27 2015-12-31 Boral Ip Holdings (Australia) Pty Limited Ultra-Lightweight Gypsum Wallboard
MX2021011578A (es) 2019-03-29 2021-10-13 Goodwin Plc Polvo refractario para moldes a la cera perdida.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1370581A (en) * 1920-03-08 1921-03-08 United States Gypsum Co Process of aging calcined gypsum products and product thereof
US1960538A (en) * 1932-03-25 1934-05-29 Certain Teed Prod Corp Process of producing cementitious material

Also Published As

Publication number Publication date
ZA735661B (en) 1974-07-31
GB1438632A (en) 1976-06-09
AU5959873A (en) 1975-02-27
CA999118A (en) 1976-11-02
IE38093B1 (en) 1977-12-21
US3898316A (en) 1975-08-05
LU68331A1 (da) 1973-11-12
AU477312B2 (en) 1976-10-21
DE2343851A1 (de) 1974-03-21
IE38093L (en) 1974-03-01
IN140347B (da) 1976-10-23
JPS4993410A (da) 1974-09-05
FR2197817A1 (da) 1974-03-29
ATA764673A (de) 1977-02-15
SE382627B (sv) 1976-02-09
CH575352A5 (da) 1976-05-14
BE804162A (fr) 1973-12-17
FR2197817B1 (da) 1980-01-11
NL7312078A (da) 1974-03-05
AT339806B (de) 1977-11-10
ES418262A1 (es) 1976-03-01
DK148630B (da) 1985-08-19
IT995242B (it) 1975-11-10
NO136146B (no) 1977-04-18
NO136146C (no) 1977-07-27

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Legal Events

Date Code Title Description
PUP Patent expired