DE2427122B2 - Verfahren zur stabilisierung des bei der herstellung nasser phosphorsaeure anfallenden alpha-calciumsulfat-halbhydrat - Google Patents
Verfahren zur stabilisierung des bei der herstellung nasser phosphorsaeure anfallenden alpha-calciumsulfat-halbhydratInfo
- Publication number
- DE2427122B2 DE2427122B2 DE19742427122 DE2427122A DE2427122B2 DE 2427122 B2 DE2427122 B2 DE 2427122B2 DE 19742427122 DE19742427122 DE 19742427122 DE 2427122 A DE2427122 A DE 2427122A DE 2427122 B2 DE2427122 B2 DE 2427122B2
- Authority
- DE
- Germany
- Prior art keywords
- calcium sulfate
- sulfate hemihydrate
- phosphoric acid
- aluminum
- hemihydrate
- 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.)
- Ceased
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
-
- 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
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742427122 DE2427122B2 (de) | 1974-06-05 | 1974-06-05 | Verfahren zur stabilisierung des bei der herstellung nasser phosphorsaeure anfallenden alpha-calciumsulfat-halbhydrat |
| AT242475A ATA242475A (de) | 1974-06-05 | 1975-03-28 | Verfahren zur herstellung von stabilisiertem abbindefaehigem calciumsulfat durch umsetzung von rohphosphat mit schwefelsaeure |
| NO751100A NO142902C (no) | 1974-06-05 | 1975-04-01 | Fremgangsmaate ved fremstilling av kalsiumsulfat |
| DK142375A DK142375A (da) | 1974-06-05 | 1975-04-03 | Fremgangsmade til fremstilling af stabiliseret calciumsulfat med afbindingsevne |
| SE7503839A SE401168B (sv) | 1974-06-05 | 1975-04-03 | Forfarande for framstellning av stabiliserat bindande kalciumsulfat |
| DD185224A DD116813A5 (cg-RX-API-DMAC7.html) | 1974-06-05 | 1975-04-04 | |
| GB15918/75A GB1491090A (en) | 1974-06-05 | 1975-04-17 | Manufacture of stabilised hardenable calcium sulphate |
| BE155940A BE828578A (fr) | 1974-06-05 | 1975-04-30 | Procede pour la preparation de sulfate de calcium stabilise susceptible de faire prise, par reaction de composes de calcium avec l'acide sulfurique |
| CA226,031A CA1045340A (en) | 1974-06-05 | 1975-05-01 | Process for the manufacture of stabilised, hardenable calcium sulphate by reacting crude phosphate with sulphuric acid |
| NL7505135A NL7505135A (nl) | 1974-06-05 | 1975-05-01 | Werkwijze ter bereiding van gestabiliseerd, afbindbaar calciumsulfaat door omzetting van calciumverbindingen met zwavelzuur. |
| ZA00752865A ZA752865B (en) | 1974-06-05 | 1975-05-02 | Process for the manufacture of stabilised hardenable calcium sulphate by reacting crude phosphate with sulphuric acid |
| AU81519/75A AU494148B2 (en) | 1974-06-05 | 1975-05-26 | Process forthe manufacture of stabilised, hardenable calcium sulphate by reacting crude phosphate with sulphuric acid |
| FR7517046A FR2273766A1 (fr) | 1974-06-05 | 1975-05-30 | Procede pour la preparation de sulfate de calcium stabilise susceptible de faire prise, par reaction de composes de calcium avec l'acide sulfurique |
| US05/582,775 US4039616A (en) | 1974-06-05 | 1975-06-02 | Process for the manufacture of stabilized, hardenable calcium sulphate by reacting crude phosphate with sulphuric acid |
| BR4499/75D BR7503510A (pt) | 1974-06-05 | 1975-06-04 | Processo para a fabricacao de sulfato de calcio estabilizado e com capacidade de pega,por meio de reacao de fosfato bruto com acido sulfurico |
| JP50068136A JPS5148796A (cg-RX-API-DMAC7.html) | 1974-06-05 | 1975-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742427122 DE2427122B2 (de) | 1974-06-05 | 1974-06-05 | Verfahren zur stabilisierung des bei der herstellung nasser phosphorsaeure anfallenden alpha-calciumsulfat-halbhydrat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2427122A1 DE2427122A1 (de) | 1975-12-11 |
| DE2427122B2 true DE2427122B2 (de) | 1976-12-30 |
Family
ID=5917375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742427122 Ceased DE2427122B2 (de) | 1974-06-05 | 1974-06-05 | Verfahren zur stabilisierung des bei der herstellung nasser phosphorsaeure anfallenden alpha-calciumsulfat-halbhydrat |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4039616A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5148796A (cg-RX-API-DMAC7.html) |
| AT (1) | ATA242475A (cg-RX-API-DMAC7.html) |
| BE (1) | BE828578A (cg-RX-API-DMAC7.html) |
| BR (1) | BR7503510A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1045340A (cg-RX-API-DMAC7.html) |
| DD (1) | DD116813A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2427122B2 (cg-RX-API-DMAC7.html) |
| DK (1) | DK142375A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2273766A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1491090A (cg-RX-API-DMAC7.html) |
| NL (1) | NL7505135A (cg-RX-API-DMAC7.html) |
| NO (1) | NO142902C (cg-RX-API-DMAC7.html) |
| SE (1) | SE401168B (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA752865B (cg-RX-API-DMAC7.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2413338A1 (fr) * | 1977-12-09 | 1979-07-27 | Ugine Kuhlmann | Gypses pour preparation de liants d'anhydrite |
| DE3575909D1 (de) * | 1984-07-24 | 1990-03-15 | Delet | Baustoff aus phospho-hemihydrat, verfahren zu seiner herstellung und seine verwendung. |
| PL184613B1 (pl) * | 1997-02-26 | 2002-11-29 | Inst Chemii Nieorganicznej | Sposób otrzymywania kwasu fosforowego |
| AU2929101A (en) | 2000-01-05 | 2001-07-16 | Saint-Gobain Technical Fabrics America, Inc. | Smooth reinforced cementitious boards and methods of making same |
| CA2483400C (en) * | 2002-05-03 | 2012-10-02 | Imerys Minerals Limited | Paper coating pigments |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512927A (en) * | 1965-07-26 | 1970-05-19 | Anson G Betts | Chemically treating phosphorite and obtaining separate products of fluorine and of phosphorus |
| US3671189A (en) * | 1966-06-16 | 1972-06-20 | Anson G Betts | Treatment of phosphate rock with acids |
| US3552918A (en) * | 1966-11-08 | 1971-01-05 | Dorr Oliver Inc | Process for the production of phosphoric acid |
| US3795728A (en) * | 1971-03-02 | 1974-03-05 | Knauf Westdeutsche Gips | Process for manufacturing phosphoric acid and substantially alkalisilico-fluoride-free gypsum |
| GB1451608A (en) * | 1972-11-08 | 1976-10-06 | Fisons Ltd | Process for reducing calcium sulphate scale formation |
-
1974
- 1974-06-05 DE DE19742427122 patent/DE2427122B2/de not_active Ceased
-
1975
- 1975-03-28 AT AT242475A patent/ATA242475A/de not_active IP Right Cessation
- 1975-04-01 NO NO751100A patent/NO142902C/no unknown
- 1975-04-03 SE SE7503839A patent/SE401168B/xx unknown
- 1975-04-03 DK DK142375A patent/DK142375A/da not_active Application Discontinuation
- 1975-04-04 DD DD185224A patent/DD116813A5/xx unknown
- 1975-04-17 GB GB15918/75A patent/GB1491090A/en not_active Expired
- 1975-04-30 BE BE155940A patent/BE828578A/xx unknown
- 1975-05-01 NL NL7505135A patent/NL7505135A/xx not_active Application Discontinuation
- 1975-05-01 CA CA226,031A patent/CA1045340A/en not_active Expired
- 1975-05-02 ZA ZA00752865A patent/ZA752865B/xx unknown
- 1975-05-30 FR FR7517046A patent/FR2273766A1/fr active Granted
- 1975-06-02 US US05/582,775 patent/US4039616A/en not_active Expired - Lifetime
- 1975-06-04 BR BR4499/75D patent/BR7503510A/pt unknown
- 1975-06-05 JP JP50068136A patent/JPS5148796A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO142902C (no) | 1980-11-12 |
| DE2427122A1 (de) | 1975-12-11 |
| AU8151975A (en) | 1976-12-02 |
| DD116813A5 (cg-RX-API-DMAC7.html) | 1975-12-12 |
| FR2273766A1 (fr) | 1976-01-02 |
| JPS5148796A (cg-RX-API-DMAC7.html) | 1976-04-27 |
| NO142902B (no) | 1980-08-04 |
| BR7503510A (pt) | 1976-05-25 |
| GB1491090A (en) | 1977-11-09 |
| NO751100L (cg-RX-API-DMAC7.html) | 1975-12-08 |
| CA1045340A (en) | 1979-01-02 |
| FR2273766B1 (cg-RX-API-DMAC7.html) | 1979-04-13 |
| BE828578A (fr) | 1975-08-18 |
| NL7505135A (nl) | 1975-12-09 |
| SE7503839L (sv) | 1975-12-08 |
| ATA242475A (de) | 1981-03-15 |
| US4039616A (en) | 1977-08-02 |
| SE401168B (sv) | 1978-04-24 |
| DK142375A (da) | 1975-12-06 |
| ZA752865B (en) | 1976-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |