LU87158A1 - Verfahren zur herstellung von calciumsulfat-halbhydrat - Google Patents
Verfahren zur herstellung von calciumsulfat-halbhydrat Download PDFInfo
- Publication number
- LU87158A1 LU87158A1 LU87158A LU87158A LU87158A1 LU 87158 A1 LU87158 A1 LU 87158A1 LU 87158 A LU87158 A LU 87158A LU 87158 A LU87158 A LU 87158A LU 87158 A1 LU87158 A1 LU 87158A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- autoclave
- hemihydrate
- calcium sulfate
- alpha
- mortar mixture
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title description 3
- 238000000034 method Methods 0.000 claims description 39
- 229910052602 gypsum Inorganic materials 0.000 claims description 22
- 239000010440 gypsum Substances 0.000 claims description 22
- 239000004570 mortar (masonry) Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000006477 desulfuration reaction Methods 0.000 claims description 10
- 230000023556 desulfurization Effects 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 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 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 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
- 238000001035 drying Methods 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 2
- 235000010261 calcium sulphite Nutrition 0.000 claims description 2
- 239000002440 industrial waste Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
- WXUAQHNMJWJLTG-UHFFFAOYSA-N 2-methylbutanedioic acid Chemical compound OC(=O)C(C)CC(O)=O WXUAQHNMJWJLTG-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims 1
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims 1
- 229910052920 inorganic sulfate Inorganic materials 0.000 claims 1
- 239000001630 malic acid Substances 0.000 claims 1
- 235000011090 malic acid Nutrition 0.000 claims 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims 1
- 229910052939 potassium sulfate Inorganic materials 0.000 claims 1
- 235000011151 potassium sulphates Nutrition 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 description 12
- 230000018044 dehydration Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 239000011575 calcium Substances 0.000 description 6
- 150000004683 dihydrates Chemical class 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012432 intermediate storage Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 208000028494 congenital hereditary endothelial dystrophy type I Diseases 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002918 waste heat Substances 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
-
- 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
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3711367 | 1987-04-04 | ||
| DE19873711367 DE3711367A1 (de) | 1987-04-04 | 1987-04-04 | Verfahren zur herstellung von calciumsulfat-halbhydrat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU87158A1 true LU87158A1 (de) | 1988-08-23 |
Family
ID=6324859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU87158A LU87158A1 (de) | 1987-04-04 | 1988-03-11 | Verfahren zur herstellung von calciumsulfat-halbhydrat |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE1002661A3 (en)) |
| DE (1) | DE3711367A1 (en)) |
| FR (1) | FR2613346B1 (en)) |
| LU (1) | LU87158A1 (en)) |
| NL (1) | NL8800727A (en)) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3800794A1 (de) * | 1988-01-14 | 1989-07-27 | Rwk Rhein Westfael Kalkwerke | Verfahren und anlage zur herstellung von calciumsulfat-halbhydrat in alpha-konfiguration |
| DE3927927A1 (de) * | 1989-08-24 | 1991-02-28 | Rwk Rhein Westfael Kalkwerke | Verfahren zur herstellung von faserbewehrten formteilen auf gipsbasis |
| DE4217978A1 (de) * | 1992-05-30 | 1993-12-02 | Heidelberger Zement Ag | Verfahren zur Herstellung von ALPHA-Halbhydrat aus Calciumsulfat-Dihydrat in einem Reaktor |
| DE4409219C2 (de) * | 1994-03-18 | 1997-03-27 | Salzgitter Anlagenbau | Verfahren zur kontinuierlichen Herstellung von alpha-Calciumsulfat-Halbhydrat aus Calciumsulfat-Dihydrat |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2282091A (en) * | 1938-10-17 | 1942-05-05 | Oliver F Redd | Process for preparing calcined gypsum |
| GB1262083A (en) * | 1968-05-28 | 1972-02-02 | Bpb Industries Ltd | alpha-CALCIUM SULPHATE HEMIHYDRATE |
| US3527447A (en) * | 1968-12-23 | 1970-09-08 | United States Gypsum Co | Process for the preparation of calcined gypsum |
| DE2310799A1 (de) * | 1972-03-08 | 1973-09-13 | United States Gypsum Co | Verfahren zum herstellen von calciniertem gips mit geringer dichte |
| JPS5260293A (en) * | 1975-11-12 | 1977-05-18 | Mitsui Toatsu Chem Inc | Method for continuous production of alpha-gypsum hemihydrate |
| JPS56145116A (en) * | 1980-04-14 | 1981-11-11 | Idemitsu Kosan Co Ltd | Continuous preparation of light gypsum |
| DE3109879A1 (de) * | 1981-03-14 | 1982-09-23 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | "verfahren zur beseitigung von zwangslaeufig anfallenden abfallprodukten hinter kohlekraftwerken und deren nutzung unter verwendung von abfallwaerme aus dem kraftwerk zur herstellung von vorzugsweise dammbaustoffen fuer den untertaegigen bergbau" |
| DE3114555C2 (de) * | 1981-04-10 | 1984-12-13 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verwendung eines hydraulisch abbindenden Mehrkomponenten-Gemisches |
| DE3239669A1 (de) * | 1982-10-27 | 1984-05-03 | Joh. A. Benckiser Gmbh, 6700 Ludwigshafen | Kontinuierliches verfahren zur gewinnung von industriell verwertbarem gips aus industrie-abfallgips |
| DE3331838A1 (de) * | 1983-09-03 | 1985-03-21 | Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen | Verfahren zur umsetzung des rueckstandes aus rauchgas-entschwefelungsanlagen zu alphahalbhydrat-gipskristallen |
| CA1258961A (en) * | 1984-09-17 | 1989-09-05 | Yoshihiko Kudo | PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE |
| DE3502637A1 (de) * | 1985-01-26 | 1986-09-11 | Frank W. Dr.-Ing. 6600 Saarbrücken Fink | Verfahren zum kalzinieren von stueckigem rauchgasentschwefelungsgips mittels dampfeinwirkung |
-
1987
- 1987-04-04 DE DE19873711367 patent/DE3711367A1/de active Granted
-
1988
- 1988-03-11 LU LU87158A patent/LU87158A1/de unknown
- 1988-03-23 NL NL8800727A patent/NL8800727A/nl not_active Application Discontinuation
- 1988-03-24 FR FR8803854A patent/FR2613346B1/fr not_active Expired - Fee Related
- 1988-03-31 BE BE8800375A patent/BE1002661A3/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3711367A1 (de) | 1988-10-13 |
| BE1002661A3 (fr) | 1991-04-30 |
| FR2613346B1 (fr) | 1991-06-21 |
| FR2613346A1 (fr) | 1988-10-07 |
| DE3711367C2 (en)) | 1989-01-19 |
| NL8800727A (nl) | 1988-11-01 |
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