LU56676A1 - - Google Patents
Info
- Publication number
- LU56676A1 LU56676A1 LU56676DA LU56676A1 LU 56676 A1 LU56676 A1 LU 56676A1 LU 56676D A LU56676D A LU 56676DA LU 56676 A1 LU56676 A1 LU 56676A1
- Authority
- LU
- Luxembourg
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
- C04B11/028—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J16/00—Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR119019 | 1967-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
LU56676A1 true LU56676A1 (xx) | 1968-11-18 |
Family
ID=8637363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU56676D LU56676A1 (xx) | 1967-08-25 | 1968-08-08 |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE717260A (xx) |
CH (1) | CH510583A (xx) |
DE (1) | DE1767937C3 (xx) |
ES (1) | ES356722A1 (xx) |
FR (1) | FR1548410A (xx) |
GB (1) | GB1246664A (xx) |
LU (1) | LU56676A1 (xx) |
NL (1) | NL6812084A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0876996B1 (de) * | 1997-05-10 | 2001-12-19 | SICOWA Verfahrenstechnik für Baustoffe GmbH & Co. KG | Verfahren zum Herstellen von Calciumsulfat-Alphahalbhydrat |
US8793897B2 (en) * | 2010-08-11 | 2014-08-05 | Grenzebach Bsh Gmbh | Process and device for stabilising, cooling and dehumidifying gypsum plaster |
CN110498626B (zh) * | 2019-09-09 | 2022-04-05 | 太原科技大学 | 一种α型半水石膏的生产方法 |
-
1967
- 1967-08-25 FR FR119019A patent/FR1548410A/fr not_active Expired
-
1968
- 1968-06-27 BE BE717260D patent/BE717260A/xx not_active IP Right Cessation
- 1968-07-01 CH CH978568A patent/CH510583A/fr not_active IP Right Cessation
- 1968-07-02 GB GB31603/68A patent/GB1246664A/en not_active Expired
- 1968-07-03 DE DE1767937A patent/DE1767937C3/de not_active Expired
- 1968-07-31 ES ES356722A patent/ES356722A1/es not_active Expired
- 1968-08-08 LU LU56676D patent/LU56676A1/xx unknown
- 1968-08-23 NL NL6812084A patent/NL6812084A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1246664A (en) | 1971-09-15 |
BE717260A (xx) | 1968-12-02 |
DE1767937C3 (de) | 1974-03-07 |
DE1767937A1 (de) | 1972-03-09 |
DE1767937B2 (de) | 1973-08-02 |
CH510583A (fr) | 1971-07-31 |
NL6812084A (xx) | 1969-02-27 |
FR1548410A (xx) | 1968-12-06 |
ES356722A1 (es) | 1970-02-16 |