AT340445B - Verfahren und anlage zur herstellung von calciumsulfat-alfa-halbhydrat - Google Patents
Verfahren und anlage zur herstellung von calciumsulfat-alfa-halbhydratInfo
- Publication number
- AT340445B AT340445B AT958575A AT958575A AT340445B AT 340445 B AT340445 B AT 340445B AT 958575 A AT958575 A AT 958575A AT 958575 A AT958575 A AT 958575A AT 340445 B AT340445 B AT 340445B
- Authority
- AT
- Austria
- Prior art keywords
- halbhydrate
- alfa
- plant
- production
- calcium sulfate
- Prior art date
Links
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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| ATA958575A ATA958575A (de) | 1977-04-15 |
| AT340445B true AT340445B (de) | 1977-12-12 |
Family
ID=5933662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT958575A AT340445B (de) | 1974-12-18 | 1975-12-17 | Verfahren und anlage zur herstellung von calciumsulfat-alfa-halbhydrat |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT340445B (de) |
| BE (1) | BE836714A (de) |
| BR (1) | BR7508349A (de) |
| CH (1) | CH618146A5 (de) |
| DK (1) | DK142026C (de) |
| FR (1) | FR2294985A1 (de) |
| GB (1) | GB1474839A (de) |
| IE (1) | IE42222B1 (de) |
| LU (1) | LU74027A1 (de) |
| NL (1) | NL172142C (de) |
| PL (1) | PL109429B1 (de) |
| RO (1) | RO67270A (de) |
| SE (1) | SE405844B (de) |
| SU (1) | SU805943A3 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0085382A1 (de) * | 1982-02-01 | 1983-08-10 | Quante, Heinrich | Vorrichtung zur Herstellung von Alpha-Calciumsulfat-Halbhydrat |
| 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 |
-
1975
- 1975-12-03 GB GB4965175A patent/GB1474839A/en not_active Expired
- 1975-12-12 RO RO7584191A patent/RO67270A/ro unknown
- 1975-12-12 CH CH1615975A patent/CH618146A5/de not_active IP Right Cessation
- 1975-12-15 SU SU752199179A patent/SU805943A3/ru active
- 1975-12-16 NL NLAANVRAGE7514656,A patent/NL172142C/xx not_active IP Right Cessation
- 1975-12-16 LU LU74027A patent/LU74027A1/xx unknown
- 1975-12-17 IE IE2746/75A patent/IE42222B1/en unknown
- 1975-12-17 BR BR7508349*A patent/BR7508349A/pt unknown
- 1975-12-17 SE SE7514272A patent/SE405844B/xx unknown
- 1975-12-17 AT AT958575A patent/AT340445B/de not_active IP Right Cessation
- 1975-12-17 DK DK574175A patent/DK142026C/da active
- 1975-12-17 BE BE162803A patent/BE836714A/xx not_active IP Right Cessation
- 1975-12-17 PL PL1975185660A patent/PL109429B1/pl unknown
- 1975-12-18 FR FR7538905A patent/FR2294985A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE836714A (fr) | 1976-06-17 |
| LU74027A1 (de) | 1976-12-31 |
| DE2459739B2 (de) | 1976-11-18 |
| SU805943A3 (ru) | 1981-02-15 |
| ATA958575A (de) | 1977-04-15 |
| CH618146A5 (en) | 1980-07-15 |
| FR2294985A1 (fr) | 1976-07-16 |
| RO67270A (ro) | 1980-03-15 |
| GB1474839A (en) | 1977-05-25 |
| BR7508349A (pt) | 1976-09-08 |
| NL7514656A (nl) | 1976-06-22 |
| IE42222B1 (en) | 1980-07-02 |
| DK142026C (da) | 1981-01-05 |
| DE2459739A1 (de) | 1976-07-01 |
| SE405844B (sv) | 1979-01-08 |
| NL172142B (nl) | 1983-02-16 |
| PL109429B1 (en) | 1980-05-31 |
| SE7514272L (sv) | 1976-06-21 |
| NL172142C (nl) | 1983-07-18 |
| FR2294985B1 (de) | 1981-08-07 |
| IE42222L (en) | 1976-06-18 |
| DK574175A (da) | 1976-06-19 |
| DK142026B (da) | 1980-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |