ES2083045T3 - Procedimiento para producir escamas de yeso a partir de la desulfuracion de gases. - Google Patents
Procedimiento para producir escamas de yeso a partir de la desulfuracion de gases.Info
- Publication number
- ES2083045T3 ES2083045T3 ES92116440T ES92116440T ES2083045T3 ES 2083045 T3 ES2083045 T3 ES 2083045T3 ES 92116440 T ES92116440 T ES 92116440T ES 92116440 T ES92116440 T ES 92116440T ES 2083045 T3 ES2083045 T3 ES 2083045T3
- Authority
- ES
- Spain
- Prior art keywords
- calcium sulfate
- sulfate dihydrate
- compaction
- flakes
- gypsum calcium
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 5
- 238000006477 desulfuration reaction Methods 0.000 title abstract 3
- 239000011505 plaster Substances 0.000 title 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract 7
- 239000010440 gypsum Substances 0.000 abstract 6
- 229910052602 gypsum Inorganic materials 0.000 abstract 6
- 238000005056 compaction Methods 0.000 abstract 5
- 230000023556 desulfurization Effects 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 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
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/268—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke pelletizing of the material before starting the manufacture
-
- 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
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides
-
- 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
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)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
ESTA INVENCION SE REFIERE A UN PROCESO MEJORADO PARA LA PRODUCCION DE ESCAMAS DE DIHIDRATOS DE SULFATO CALCICO DE YESO A PARTIR DE DIHIDRATOS DE SULFATO CALCICO DE YESO EN POLVO OBTENIDOS DE LA DESULFURIZACION DE GASES DE LA COMBUSTION MEDIANTE EL PROCESO DE LA CALIZA HUMEDA. LAS ESCAMAS TIENEN UN TAMAÑO Y RESISTENCIA SUFICIENTES DE TAL MODO QUE EL DIHIDRATO DE SULFATO CALCICO DE YESO SE PUEDE MANIPULAR Y PROCESAR EN UN EQUIPO CONVENCIONAL NORMALMENTE UTILIZADO POR LOS FABRICANTES DE CARTON DE YESO Y OTROS EN LA INDUSTRIA DE LA CONSTRUCCION. EL DIHIDRATO DE SULFATO CALCICO INTERMEDIO OBTENIDO EN EL PROCESO DE DESULFURIZACION SE DESHIDRATA A DE UN 5 A UN 12% EN PESO APROXIMADAMENTE Y DESPUES SE COMPRIME HASTA FORMAR UNA LAMINA DELGADA BAJO UNA CARGA DE COMPACTACION O COMPRESION CON UNA FUERZA DE 4 A 15 TONELADAS POR PULGADA LINEAL DEL ANCHO DE LA LAMINA. DURANTE LA COMPACTACION SE MANTIENE UNA VELOCIDAD LINEAL DE 0,5 A 2,5 PIES POR SEGUNDO LO QUE PROPORCIONA UN TIEMPO DE DURACION DE LA COMPACTACION DE 0,2 A 1,2 SEGUNDOS APROXIMADAMENTE. DURANTE EL PROCESO DE COMPACTACION SE MANTIENE UNA TEMPERATURA ELEVADA PARA REFORZAR LA REFORMACION DEL TAMAÑO DEL CRISTAL Y LA FORMA DEL DIHIDRATO DE SULFATO CALCICO DE YESO. LA COMBINACION DE LA PRESION Y LA TEMPERATURA EN EL DIHIDRATO DE SULFATO CALCICO DE YESO HUMEDO ALTERA LAS CARACTERISTICAS FISICAS DEL DIHIDRATO DE SULFATO CALCICO DE YESO, LO QUE DA COMO RESULTADO UNA LAMINA QUE SE ROMPE FORMANDO ESCAMAS DURAS AL SALIR DE LA ZONA DE COMPACTACION.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/767,283 US5362471A (en) | 1991-09-27 | 1991-09-27 | Process for producing gypsum flake from flue gas desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2083045T3 true ES2083045T3 (es) | 1996-04-01 |
Family
ID=25079024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES92116440T Expired - Lifetime ES2083045T3 (es) | 1991-09-27 | 1992-09-25 | Procedimiento para producir escamas de yeso a partir de la desulfuracion de gases. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5362471A (es) |
| EP (1) | EP0534458B1 (es) |
| AT (1) | ATE130585T1 (es) |
| CA (1) | CA2078639C (es) |
| DE (2) | DE4231548C2 (es) |
| DK (1) | DK0534458T3 (es) |
| ES (1) | ES2083045T3 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0866606A (ja) * | 1994-08-29 | 1996-03-12 | Mitsubishi Heavy Ind Ltd | 固液分離装置及び湿式排煙脱硫装置 |
| US6197200B1 (en) | 1999-05-11 | 2001-03-06 | Eastroc Llc | Method of purifying flue gas waste slurries for use in gypsum production |
| US6471767B1 (en) | 1999-10-15 | 2002-10-29 | American International Materials, Ltd. | Process for recycling gypsum-based waste material into readily crushable members for use in the manufacture of cement and crushable members formed thereby |
| US20020014051A1 (en) * | 2000-04-20 | 2002-02-07 | Fraval Hanafi R. | High strength light-weight fiber ash composite material, method of manufacture thereof, and prefabricated structural building members using the same |
| US6964704B2 (en) | 2003-03-20 | 2005-11-15 | G.B. Technologies, Llc | Calcium sulphate-based composition and methods of making same |
| GB0314655D0 (en) * | 2003-06-24 | 2003-07-30 | Bpb Plc | Method and apparatus for producing a multilayer cementitious product |
| JP4075709B2 (ja) * | 2003-07-02 | 2008-04-16 | 住友電装株式会社 | コネクタ |
| US7776150B2 (en) * | 2006-03-16 | 2010-08-17 | Koppern Eqipment, Inc. | Process and apparatus for handling synthetic gypsum |
| US8734560B2 (en) | 2010-09-10 | 2014-05-27 | Harsco Corporation | Agricultural blend and process of forming an agricultural blend |
| US10287210B2 (en) | 2014-12-05 | 2019-05-14 | Kercher Enterprises, Inc. | Production of pellets |
| BE1023884B1 (fr) * | 2016-07-08 | 2017-09-04 | Lhoist Rech Et Developpement Sa | Procédé de fabricatrion de briquettes contenant de l'oxyde de fer actif, et briquettes ainsi obtenues |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1567974A1 (de) * | 1965-05-22 | 1970-10-22 | Kloeckner Humboldt Deutz Ag | Walzwerk zum Verdichten und Stueckigmachen von feinkoernigen Kaliund/oder Steinsalzen |
| CA973462A (en) * | 1971-02-25 | 1975-08-26 | Per A. Jaatinen | Continuous action sheet press |
| US3820970A (en) * | 1972-12-27 | 1974-06-28 | Gypsum Co | Less dusty granular gypsum product and process |
| DE2658915C3 (de) * | 1976-12-24 | 1987-06-19 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verfahren zur Herstellung von stückigem Calciumsulfat-Dihydrat |
| US4239716A (en) * | 1977-05-30 | 1980-12-16 | Nippon Hardboard Co. Ltd. | Gypsum moldings as building materials and methods manufacturing the said gypsum moldings |
| US4377414A (en) * | 1980-09-04 | 1983-03-22 | A/S Niro Atomizer | Shaped cementitious products |
| AT382552B (de) * | 1981-04-01 | 1987-03-10 | Knauf Westdeutsche Gips | Verfahren zur herstellung von geformten stuecken aus feinteiligem rauchgasgips und walzenpresse zur durchfuehrung des verfahrens |
| US4544542A (en) * | 1984-04-16 | 1985-10-01 | Dorr-Oliver Incorporated | Method for oxidation of flue gas desulfurization absorbent and the product produced thereby |
| DE3626912A1 (de) * | 1986-08-08 | 1988-02-11 | Knauf Westdeutsche Gips | Komprimate aus getrocknetem rauchgasgips und verfahren zur herstellung derselben |
| DE3733500C2 (de) * | 1987-10-03 | 1993-11-04 | Alexanderwerk Ag | Verfahren und walzenpresse zum herstellen von stueckigem material aus feinteiligem rauchgasgips |
| US4954134A (en) * | 1989-07-31 | 1990-09-04 | Tennessee Valley Authority | Agglomeration of gypsum, limestone, or gypsum-limestone mix |
| DE3936924C2 (de) * | 1989-11-06 | 1997-04-30 | Dieffenbacher Gmbh Maschf | Verfahren und Vorrichtung zur Beheizung einer kontinuierlich arbeitenden Heizplattenpresse |
| DE4008084A1 (de) * | 1990-03-14 | 1991-09-19 | Pro Mineral Ges | Verfahren zur herstellung von gipsfaserplatten, insbesondere von fussbodenplatten |
-
1991
- 1991-09-27 US US07/767,283 patent/US5362471A/en not_active Expired - Fee Related
-
1992
- 1992-09-18 CA CA002078639A patent/CA2078639C/en not_active Expired - Fee Related
- 1992-09-21 DE DE4231548A patent/DE4231548C2/de not_active Expired - Fee Related
- 1992-09-25 DK DK92116440.6T patent/DK0534458T3/da active
- 1992-09-25 EP EP92116440A patent/EP0534458B1/en not_active Expired - Lifetime
- 1992-09-25 AT AT92116440T patent/ATE130585T1/de active
- 1992-09-25 DE DE69206228T patent/DE69206228T2/de not_active Expired - Fee Related
- 1992-09-25 ES ES92116440T patent/ES2083045T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2078639C (en) | 1999-06-29 |
| DE4231548C2 (de) | 1997-04-17 |
| DE69206228T2 (de) | 1996-05-02 |
| US5362471A (en) | 1994-11-08 |
| EP0534458B1 (en) | 1995-11-22 |
| DK0534458T3 (da) | 1995-12-18 |
| DE69206228D1 (de) | 1996-01-04 |
| CA2078639A1 (en) | 1993-03-28 |
| DE4231548A1 (de) | 1993-04-08 |
| EP0534458A1 (en) | 1993-03-31 |
| ATE130585T1 (de) | 1995-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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