DE2700790B2 - Zur Herstellung von als Anhydritbinder geeignetem aus Chemiegips durch Dehydratisierung erhaltenem im wesentlichen aus unlöslichem CaSO4 bestehenden Anhydrit - Google Patents
Zur Herstellung von als Anhydritbinder geeignetem aus Chemiegips durch Dehydratisierung erhaltenem im wesentlichen aus unlöslichem CaSO4 bestehenden AnhydritInfo
- Publication number
- DE2700790B2 DE2700790B2 DE2700790A DE2700790A DE2700790B2 DE 2700790 B2 DE2700790 B2 DE 2700790B2 DE 2700790 A DE2700790 A DE 2700790A DE 2700790 A DE2700790 A DE 2700790A DE 2700790 B2 DE2700790 B2 DE 2700790B2
- Authority
- DE
- Germany
- Prior art keywords
- anhydrite
- production
- weight
- product
- chemical gypsum
- 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.)
- Withdrawn
Links
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims description 71
- 229910052925 anhydrite Inorganic materials 0.000 title claims description 65
- 239000000126 substance Substances 0.000 title claims description 30
- 229910052602 gypsum Inorganic materials 0.000 title claims description 29
- 239000010440 gypsum Substances 0.000 title claims description 29
- 239000011230 binding agent Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 230000018044 dehydration Effects 0.000 title claims description 5
- 238000006297 dehydration reaction Methods 0.000 title claims description 5
- 238000009826 distribution Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 6
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 235000010755 mineral Nutrition 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 235000011151 potassium sulphates Nutrition 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims 1
- 239000000047 product Substances 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 14
- 238000002156 mixing Methods 0.000 description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 7
- 239000011575 calcium Substances 0.000 description 6
- 239000011505 plaster Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 150000001447 alkali salts Chemical class 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000004568 cement Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011507 gypsum plaster Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012432 intermediate storage Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000021 stimulant Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal salt Chemical class 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 229910052915 alkaline earth metal silicate Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- VVRKSAMWBNJDTH-UHFFFAOYSA-N difluorophosphane Chemical compound FPF VVRKSAMWBNJDTH-UHFFFAOYSA-N 0.000 description 1
- 229910052587 fluorapatite Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000001033 granulometry Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000001120 potassium sulphate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- C04B11/05—Calcium sulfate cements obtaining anhydrite, e.g. Keene's cement
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7600678A FR2423463A1 (fr) | 1976-01-13 | 1976-01-13 | Anhydrite pour liant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2700790A1 DE2700790A1 (de) | 1977-07-14 |
| DE2700790B2 true DE2700790B2 (de) | 1980-11-13 |
Family
ID=9167836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2700790A Withdrawn DE2700790B2 (de) | 1976-01-13 | 1977-01-11 | Zur Herstellung von als Anhydritbinder geeignetem aus Chemiegips durch Dehydratisierung erhaltenem im wesentlichen aus unlöslichem CaSO4 bestehenden Anhydrit |
Country Status (12)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3104751A1 (de) * | 1981-02-11 | 1982-08-19 | Mathis System-Technik Gmbh, 7801 Merdingen | "verfahren und vorrichtung zum anmachen einer abbindenden baustoffmischung od.dgl." |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827612A1 (de) * | 1988-08-13 | 1990-02-15 | Viktor Dr Ing Gobiet | Baustoff fuer die verwendung im untertagebetrieb |
| DE3827613A1 (de) * | 1988-08-13 | 1990-02-15 | Viktor Dr Ing Gobiet | Binder und trockenmoertel fuer anhydrit-fliessestrich und fliessestrich daraus |
| DE4107385C2 (de) * | 1991-03-08 | 1995-02-09 | Knauf Westdeutsche Gips | Trockene pulverförmige Putzmischung und Verfahren zu ihrer Herstellung |
| US6682913B1 (en) | 1999-02-03 | 2004-01-27 | Institute For Drug Research Ltd. | Microbial process for preparing pravastatin |
| JP5553491B2 (ja) * | 2008-07-02 | 2014-07-16 | 株式会社トクヤマ | 石膏ボード廃材から石膏を再生する方法 |
| JP5619797B2 (ja) * | 2012-02-17 | 2014-11-05 | 株式会社トクヤマ | 石膏ボード廃材から石膏を再生する方法 |
-
1976
- 1976-01-13 FR FR7600678A patent/FR2423463A1/fr active Granted
- 1976-12-13 IL IL51097A patent/IL51097A/xx unknown
-
1977
- 1977-01-03 MX MX167518A patent/MX144222A/es unknown
- 1977-01-05 BE BE1007859A patent/BE850090A/xx not_active IP Right Cessation
- 1977-01-11 DE DE2700790A patent/DE2700790B2/de not_active Withdrawn
- 1977-01-11 LU LU76549A patent/LU76549A1/xx unknown
- 1977-01-12 NL NL7700251A patent/NL7700251A/xx not_active Application Discontinuation
- 1977-01-12 SE SE7700256A patent/SE7700256L/ not_active Application Discontinuation
- 1977-01-12 BR BR7700202A patent/BR7700202A/pt unknown
- 1977-01-13 GB GB1349/77A patent/GB1574623A/en not_active Expired
- 1977-01-13 JP JP197977A patent/JPS5290494A/ja active Pending
- 1977-08-06 OA OA56249A patent/OA05734A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3104751A1 (de) * | 1981-02-11 | 1982-08-19 | Mathis System-Technik Gmbh, 7801 Merdingen | "verfahren und vorrichtung zum anmachen einer abbindenden baustoffmischung od.dgl." |
Also Published As
| Publication number | Publication date |
|---|---|
| LU76549A1 (enrdf_load_stackoverflow) | 1978-09-13 |
| BE850090A (fr) | 1977-07-05 |
| MX144222A (es) | 1981-09-10 |
| SE7700256L (sv) | 1977-07-14 |
| IL51097A (en) | 1980-02-29 |
| BR7700202A (pt) | 1977-10-18 |
| FR2423463B1 (enrdf_load_stackoverflow) | 1980-10-10 |
| IL51097A0 (en) | 1977-02-28 |
| GB1574623A (en) | 1980-09-10 |
| DE2700790A1 (de) | 1977-07-14 |
| NL7700251A (nl) | 1977-07-15 |
| FR2423463A1 (fr) | 1979-11-16 |
| JPS5290494A (en) | 1977-07-29 |
| OA05734A (fr) | 1981-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| 8263 | Opposition against grant of a patent | ||
| 8230 | Patent withdrawn |