GB1385757A - Treating calcium sulphate - Google Patents

Treating calcium sulphate

Info

Publication number
GB1385757A
GB1385757A GB4257072A GB4257072A GB1385757A GB 1385757 A GB1385757 A GB 1385757A GB 4257072 A GB4257072 A GB 4257072A GB 4257072 A GB4257072 A GB 4257072A GB 1385757 A GB1385757 A GB 1385757A
Authority
GB
United Kingdom
Prior art keywords
calcium sulphate
hemihydrate
water
pressure
sept
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4257072A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BK Giulini Chemie GmbH
Original Assignee
Giulini Gebrueder GmbH
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 Giulini Gebrueder GmbH filed Critical Giulini Gebrueder GmbH
Publication of GB1385757A publication Critical patent/GB1385757A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
GB4257072A 1971-09-15 1972-09-13 Treating calcium sulphate Expired GB1385757A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712146007 DE2146007B2 (de) 1971-09-15 1971-09-15 Verfahren zur separation von alpha- calciumsulfat-halbhydrat aus einer suspension
ZA731540A ZA731540B (en) 1971-09-15 1973-03-06 A process for separating alpha calcium sulphate monohydrate from a suspension and for subsequent processing of the monohydrate to yield powdered gypsum or gypsum elements

Publications (1)

Publication Number Publication Date
GB1385757A true GB1385757A (en) 1975-02-26

Family

ID=25761728

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4257072A Expired GB1385757A (en) 1971-09-15 1972-09-13 Treating calcium sulphate

Country Status (7)

Country Link
AU (1) AU457927B2 (https=)
BE (1) BE787408A (https=)
DE (1) DE2146007B2 (https=)
FR (1) FR2153905A5 (https=)
GB (1) GB1385757A (https=)
NL (1) NL7212495A (https=)
ZA (1) ZA731540B (https=)

Families Citing this family (2)

* 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
DE3331839C1 (de) * 1983-09-03 1985-03-21 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Verfahren zur Herstellung von Alphahalbhydrat-Gipskristallen aus Dihydrat-Gips enthaltenden Rückständen

Also Published As

Publication number Publication date
FR2153905A5 (https=) 1973-05-04
AU457927B2 (en) 1975-02-13
DE2146007A1 (de) 1973-03-22
DE2146007B2 (de) 1976-11-11
BE787408A (fr) 1972-12-01
AU4581672A (en) 1974-02-28
ZA731540B (en) 1974-02-27
NL7212495A (https=) 1973-03-19

Similar Documents

Publication Publication Date Title
GB1174460A (en) Talc Treatment and Talc Containing Pigments.
ES420313A1 (es) Un procedimiento para reducir la formacion de incrustacio- nes, principalmente, la formacion de incrustaciones de sul- fato de calcio durante la produccion de acido fosforico.
ES428307A1 (es) Procedimiento de tratamiento de una materia que contiene zinc y silice soluble.
GB1385757A (en) Treating calcium sulphate
ES338489A1 (es) Procedimiento de purificacion del acido elagico.
GB1518411A (en) Construction materials and earthworks construction
GB1481788A (en) Production of shaped gypsum articles
ZA75271B (en) Improvements in or relating to the production of bukly yarns
GB1360952A (en) Process for treating alumina
GB1326130A (en) Method of producing iodine pentafluoride
GB1277420A (en) Improvements in or relating to the production of pigments
GB913705A (en) Method of refining amyloglucosidase
GB1374573A (en) Process for the improvement of cement
GB1526183A (en) Method of and means for reverse osmosis
GB1184585A (en) A Method for Manufacturing Pure Gypsum.
GB1250191A (https=)
GB1412040A (en) Process for reducing the sodium content of red mud
CH427260A (fr) Procédé de production d'une composition polymère soluble ou dispersable dans l'eau
GB1456101A (en) Process for dehydrating aqueous solutions of maleic acid to maleic anhydride
SU1041516A1 (ru) Способ отбеливани талька
GB1335922A (en) Pre-treatment of lime in silicalcite manufacture
SU497373A1 (ru) Способ отбелки хлопковой целлюлозы
GB1463974A (en) Particulate materials
JPS52125481A (en) Water-dispersible absorbers for blood et al.
GB1486966A (en) Process for preparing calcium sulphate alpha-hemihydrate

Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee