NL8000481A - Werkwijze ter bereiding van een calciumsulfaat halfhydraat-dihydraatmengsel uit fijnverdeeld synthetisch calciumsulfaat halfhydraat. - Google Patents
Werkwijze ter bereiding van een calciumsulfaat halfhydraat-dihydraatmengsel uit fijnverdeeld synthetisch calciumsulfaat halfhydraat. Download PDFInfo
- Publication number
- NL8000481A NL8000481A NL8000481A NL8000481A NL8000481A NL 8000481 A NL8000481 A NL 8000481A NL 8000481 A NL8000481 A NL 8000481A NL 8000481 A NL8000481 A NL 8000481A NL 8000481 A NL8000481 A NL 8000481A
- Authority
- NL
- Netherlands
- Prior art keywords
- hydrate
- semi
- dihydrate
- calcium sulphate
- mixture
- Prior art date
Links
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims description 116
- 235000011132 calcium sulphate Nutrition 0.000 title claims description 51
- 239000000203 mixture Substances 0.000 title claims description 46
- 150000004683 dihydrates Chemical class 0.000 title claims description 29
- 239000001175 calcium sulphate Substances 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000009826 distribution Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 14
- 238000005065 mining Methods 0.000 claims description 13
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 8
- 239000004571 lime Substances 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000008240 homogeneous mixture Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 238000007792 addition Methods 0.000 description 9
- 238000005056 compaction Methods 0.000 description 8
- 238000001723 curing Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 239000011575 calcium Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 238000012432 intermediate storage Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DWSKLNHACTWZQD-UHFFFAOYSA-N O.O.O.O.O.P(=O)(O)(O)O.P(=O)(O)(O)O Chemical compound O.O.O.O.O.P(=O)(O)(O)O.P(=O)(O)(O)O DWSKLNHACTWZQD-UHFFFAOYSA-N 0.000 description 1
- 241000277331 Salmonidae Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- JLFVIEQMRKMAIT-UHFFFAOYSA-N ac1l9mnz Chemical compound O.O.O JLFVIEQMRKMAIT-UHFFFAOYSA-N 0.000 description 1
- JIUIIWVYHWSFAZ-UHFFFAOYSA-N ac1o0v2m Chemical compound O.O.O.O.O JIUIIWVYHWSFAZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000013006 addition curing Methods 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2908266 | 1979-03-02 | ||
| DE19792908266 DE2908266C2 (de) | 1979-03-02 | 1979-03-02 | Verfahren zur Herstellung eines Calciumsulfat-Halbhydrat-Dihydrat-Gemisches aus feinteiligem synthetischen Calciumsulfat-Halbhydrat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8000481A true NL8000481A (nl) | 1980-09-04 |
Family
ID=6064339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8000481A NL8000481A (nl) | 1979-03-02 | 1980-01-25 | Werkwijze ter bereiding van een calciumsulfaat halfhydraat-dihydraatmengsel uit fijnverdeeld synthetisch calciumsulfaat halfhydraat. |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE881837A (de) |
| DE (1) | DE2908266C2 (de) |
| FR (1) | FR2460900A1 (de) |
| NL (1) | NL8000481A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2526416A1 (fr) * | 1982-05-07 | 1983-11-10 | Weber Sa A | Procede de realisation de barrages pour les mines en platre ou en anhydrite allege, dispositif pour la mise en oeuvre de ce procede, et melange utilise |
| DE3442926C1 (de) * | 1984-11-24 | 1985-07-25 | Saarbergwerke AG, 6600 Saarbrücken | Verfahren zum pneumatischen Fördern einer zu verblasenden feinstkörnigen Baustoffmischung auf Gipsbasis von übertage zum Einsatz nach untertage |
| GB2179932A (en) * | 1985-09-05 | 1987-03-18 | Aeci Ltd | Settable plaster composition |
| CA2396362A1 (en) | 2000-01-05 | 2001-07-12 | Saint-Gobain Technical Fabrics Of America, Inc. | Smooth reinforced cementitious boards and methods of making same |
| US7585485B2 (en) * | 2006-07-03 | 2009-09-08 | Tripoliven, C.A. | Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials |
| WO2019035782A1 (en) * | 2017-08-15 | 2019-02-21 | Inkaya Yonca | METHOD FOR OBTAINING CONSTRUCTION MATERIALS BY ARRANGING / ADJUSTING AND / OR ENHANCING THE QUANTITY OF THE STRONTIUM ELEMENT (SR) IN THE STRUCTURE OF CALCIUM SULFATES |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1169355B (de) * | 1961-06-16 | 1964-04-30 | Knauf Geb | Verfahren zur Herstellung grossstueckiger Produkte aus feinkoernig anfallendem schwefel-saurem Kalzium, das in der chemischen Industrie abfaellt |
| FR1531830A (fr) * | 1967-07-11 | 1968-07-05 | Central Glass Co Ltd | Procédé de granulation du gypse |
| DE1646972A1 (de) * | 1967-09-26 | 1971-08-12 | Rigips Baustoffwerke Gmbh | Verfahren zur Granulierung von Kalziumsulfat-Halbhydrat |
| DE2146777B2 (de) * | 1971-09-18 | 1976-07-01 | Gebr. Knauf Westdeutsche Gipswerke, 8715Iphofen | Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten |
| DE2216039C3 (de) * | 1972-04-01 | 1981-09-17 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Hydraulisch abbindendes Material für Ausbauzwecke im Bergbau |
| DE2350066B2 (de) * | 1973-10-05 | 1977-01-20 | Salzgitter Industriebau Gmbh, 3320 Salzgitter | Verfahren zur herstellung abbindefaehiger baustoffe aus alpha-calciumsulfathemihydrat |
| DE2658915B2 (de) * | 1976-12-24 | 1979-10-31 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verfahren zur Herstellung von stückigem Calciumsulfat-Dihydrat |
| DK369279A (da) * | 1978-09-05 | 1980-03-06 | United States Gypsum Co | Fremgangsmaade til fremstilling af gipsplader |
-
1979
- 1979-03-02 DE DE19792908266 patent/DE2908266C2/de not_active Expired
-
1980
- 1980-01-25 NL NL8000481A patent/NL8000481A/nl not_active Application Discontinuation
- 1980-02-19 FR FR8003631A patent/FR2460900A1/fr not_active Withdrawn
- 1980-02-21 BE BE0/199485A patent/BE881837A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE881837A (fr) | 1980-06-16 |
| FR2460900A1 (fr) | 1981-01-30 |
| DE2908266C2 (de) | 1986-01-09 |
| DE2908266B1 (de) | 1980-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |