SU805943A3 - Способ получени -полугидрата суль-фАТА КАльци - Google Patents
Способ получени -полугидрата суль-фАТА КАльци Download PDFInfo
- 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
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 (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 (da) |
| BE (1) | BE836714A (da) |
| BR (1) | BR7508349A (da) |
| CH (1) | CH618146A5 (da) |
| DK (1) | DK142026C (da) |
| FR (1) | FR2294985A1 (da) |
| GB (1) | GB1474839A (da) |
| IE (1) | IE42222B1 (da) |
| LU (1) | LU74027A1 (da) |
| NL (1) | NL172142C (da) |
| PL (1) | PL109429B1 (da) |
| RO (1) | RO67270A (da) |
| SE (1) | SE405844B (da) |
| SU (1) | SU805943A3 (da) |
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 LU LU74027A patent/LU74027A1/xx unknown
- 1975-12-16 NL NLAANVRAGE7514656,A patent/NL172142C/xx not_active IP Right Cessation
- 1975-12-17 IE IE2746/75A patent/IE42222B1/en unknown
- 1975-12-17 DK DK574175A patent/DK142026C/da active
- 1975-12-17 PL PL1975185660A patent/PL109429B1/pl unknown
- 1975-12-17 AT AT958575A patent/AT340445B/de not_active IP Right Cessation
- 1975-12-17 BE BE162803A patent/BE836714A/xx not_active IP Right Cessation
- 1975-12-17 SE SE7514272A patent/SE405844B/xx unknown
- 1975-12-17 BR BR7508349*A patent/BR7508349A/pt unknown
- 1975-12-18 FR FR7538905A patent/FR2294985A1/fr active Granted
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 (da) | 1981-08-07 |
| CH618146A5 (en) | 1980-07-15 |
| PL109429B1 (en) | 1980-05-31 |
| DE2459739A1 (de) | 1976-07-01 |
| LU74027A1 (da) | 1976-12-31 |
| IE42222L (en) | 1976-06-18 |
| IE42222B1 (en) | 1980-07-02 |
| AT340445B (de) | 1977-12-12 |
| RO67270A (ro) | 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1361324A (en) | Process of manufacturing magnesium carbonate | |
| JPS5973408A (ja) | 二酸化塩素の製法及び装置 | |
| BE1002843A5 (fr) | Procede pour fabriquer du sulfate de calcium semi-hydrate sous forme alpha a partir de sulfate de calcium bihydrate finement divise. | |
| SU805943A3 (ru) | Способ получени -полугидрата суль-фАТА КАльци | |
| CN105540563B (zh) | 聚磷酸铵连续生产设备 | |
| GB1111078A (en) | Method for manufacturing phosphoric acid and hemihydrate calcium sulphate by the wet process | |
| GB1051849A (da) | ||
| USRE19045E (en) | Method of treating phosphate rock | |
| GB1198807A (en) | Continuous process for the production of calcium sulphate alpha-hemihydrate from gypsum | |
| US3687620A (en) | Manufacture of ammonium sulfate from gypsum | |
| US3726647A (en) | Apparatus for the production of phosphoric acid | |
| CA1135653A (en) | Apparatus for treatment of ammoniacal waste liquid | |
| US2204777A (en) | Apparatus for the recovery of salts from aqueous solutions | |
| ES310273A1 (es) | Procedimiento para la purificacion del yeso residual de la fabricacion de acido fosforico por ataque sulfurico de fosfatos naturales | |
| ES274451A1 (es) | Procedimiento de cocciën de escayola a bajas temperaturas | |
| US4113835A (en) | Process for preparing pure synthetic calcium sulfate semihydrate | |
| CA1152287A (en) | Continuous process for making calcium hypochlorite | |
| US1869521A (en) | Manufacture of copper sulphate | |
| US1758449A (en) | Ammonium-sulphate manufacture | |
| RU2359908C2 (ru) | Способ получения сульфата аммония | |
| US2580168A (en) | Method of manufacture of anhydrous magnesium carbonate | |
| US2549408A (en) | Manufacture of normal magnesium carbonate | |
| CN101781239A (zh) | 一种硫脲的生产方法 | |
| GB1007898A (en) | A process for the production of phosphoric acid and gypsum | |
| US2081118A (en) | Method of continuously manufacturing hydrochloric acid |