SU805943A3 - Способ получени -полугидрата суль-фАТА КАльци - Google Patents

Способ получени -полугидрата суль-фАТА КАльци Download PDF

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Publication number
SU805943A3
SU805943A3 SU752199179A SU2199179A SU805943A3 SU 805943 A3 SU805943 A3 SU 805943A3 SU 752199179 A SU752199179 A SU 752199179A SU 2199179 A SU2199179 A SU 2199179A SU 805943 A3 SU805943 A3 SU 805943A3
Authority
SU
USSR - Soviet Union
Prior art keywords
autoclave
semihydrate
calcium sulphate
suspension
calcium sulfate
Prior art date
Application number
SU752199179A
Other languages
English (en)
Russian (ru)
Inventor
Райхерт Гюнтер
Штенденбах Карл-Хайнц
Штри Лотар
Тидеманн Енс
Original Assignee
Хехст Аг (Фирма)
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
Priority claimed from DE19742459739 external-priority patent/DE2459739C3/de
Application filed by Хехст Аг (Фирма) filed Critical Хехст Аг (Фирма)
Application granted granted Critical
Publication of SU805943A3 publication Critical patent/SU805943A3/ru

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Classifications

    • 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
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C04B11/032—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the wet process, e.g. dehydrating in solution or under saturated vapour conditions, i.e. to obtain alpha-hemihydrate

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)
  • Removal Of Specific Substances (AREA)
SU752199179A 1974-12-18 1975-12-15 Способ получени -полугидрата суль-фАТА КАльци SU805943A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742459739 DE2459739C3 (de) 1974-12-18 Verfahren und Anlage zur Herstellung von Calciumsulfat-alpha-Halbhydrat

Publications (1)

Publication Number Publication Date
SU805943A3 true SU805943A3 (ru) 1981-02-15

Family

ID=5933662

Family Applications (1)

Application Number Title Priority Date Filing Date
SU752199179A SU805943A3 (ru) 1974-12-18 1975-12-15 Способ получени -полугидрата суль-фАТА КАльци

Country Status (14)

Country Link
AT (1) AT340445B (fr)
BE (1) BE836714A (fr)
BR (1) BR7508349A (fr)
CH (1) CH618146A5 (fr)
DK (1) DK142026C (fr)
FR (1) FR2294985A1 (fr)
GB (1) GB1474839A (fr)
IE (1) IE42222B1 (fr)
LU (1) LU74027A1 (fr)
NL (1) NL172142C (fr)
PL (1) PL109429B1 (fr)
RO (1) RO67270A (fr)
SE (1) SE405844B (fr)
SU (1) SU805943A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085382A1 (fr) * 1982-02-01 1983-08-10 Quante, Heinrich Installation pour la préparation de alpha-sulfate de calcium demihydrate
CN111517355A (zh) * 2020-05-05 2020-08-11 桂林理工大学 一种蒸压条件下磷石膏制备α半水石膏的方法

Also Published As

Publication number Publication date
DK142026C (da) 1981-01-05
DK142026B (da) 1980-08-11
GB1474839A (en) 1977-05-25
SE7514272L (sv) 1976-06-21
NL172142B (nl) 1983-02-16
SE405844B (sv) 1979-01-08
FR2294985B1 (fr) 1981-08-07
CH618146A5 (en) 1980-07-15
PL109429B1 (en) 1980-05-31
DE2459739A1 (de) 1976-07-01
LU74027A1 (fr) 1976-12-31
IE42222L (en) 1976-06-18
IE42222B1 (en) 1980-07-02
AT340445B (de) 1977-12-12
RO67270A (fr) 1980-03-15
BE836714A (fr) 1976-06-17
DK574175A (da) 1976-06-19
NL172142C (nl) 1983-07-18
BR7508349A (pt) 1976-09-08
DE2459739B2 (de) 1976-11-18
ATA958575A (de) 1977-04-15
NL7514656A (nl) 1976-06-22
FR2294985A1 (fr) 1976-07-16

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