NL8303219A - Werkwijze voor de bereiding van calciumsulfaat-dihydraat in het kader van de ontzwaveling van rookgassen. - Google Patents
Werkwijze voor de bereiding van calciumsulfaat-dihydraat in het kader van de ontzwaveling van rookgassen. Download PDFInfo
- Publication number
- NL8303219A NL8303219A NL8303219A NL8303219A NL8303219A NL 8303219 A NL8303219 A NL 8303219A NL 8303219 A NL8303219 A NL 8303219A NL 8303219 A NL8303219 A NL 8303219A NL 8303219 A NL8303219 A NL 8303219A
- Authority
- NL
- Netherlands
- Prior art keywords
- calcium sulphate
- washing tower
- calcium
- sulphate dihydrate
- dihydrate
- Prior art date
Links
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 16
- 239000003546 flue gas Substances 0.000 title claims description 12
- 238000002360 preparation method Methods 0.000 title claims description 6
- 238000005406 washing Methods 0.000 claims description 38
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002562 thickening agent Substances 0.000 claims description 13
- 239000010802 sludge Substances 0.000 claims description 11
- 239000007900 aqueous suspension Substances 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- VCSZKSHWUBFOOE-UHFFFAOYSA-N dioxidanium;sulfate Chemical compound O.O.OS(O)(=O)=O VCSZKSHWUBFOOE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 25
- 239000010440 gypsum Substances 0.000 description 8
- 229910052602 gypsum Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 235000011132 calcium sulphate Nutrition 0.000 description 3
- 239000001175 calcium sulphate Substances 0.000 description 3
- 235000010261 calcium sulphite Nutrition 0.000 description 3
- 239000004295 calcium sulphite Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011394 gypsum concrete Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000126 substance 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- 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)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3240317A DE3240317C2 (de) | 1982-10-30 | 1982-10-30 | Verfahren zur Herstellung von Calciumsulfat-Dihydrat im Zuge der Entschwefelung von Rauchgasen aus Kraftwerkskesselfeuerungen |
| DE3240317 | 1982-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8303219A true NL8303219A (nl) | 1984-05-16 |
Family
ID=6177034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8303219A NL8303219A (nl) | 1982-10-30 | 1983-09-19 | Werkwijze voor de bereiding van calciumsulfaat-dihydraat in het kader van de ontzwaveling van rookgassen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4503020A (fr) |
| AT (1) | AT386593B (fr) |
| CA (1) | CA1195090A (fr) |
| DE (1) | DE3240317C2 (fr) |
| DK (1) | DK494183A (fr) |
| FR (1) | FR2535303B1 (fr) |
| IT (1) | IT1169834B (fr) |
| NL (1) | NL8303219A (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3245754C2 (de) * | 1982-12-10 | 1986-03-13 | Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen | Verfahren zum Herstellen von Calciumsulfatdihydrat |
| DE3410109C3 (de) * | 1984-03-20 | 1993-12-02 | Bischoff Gasreinigung | Vorrichtung zur nassen Entschwefelung von Rauchgasen |
| DE3414822A1 (de) * | 1984-04-19 | 1985-11-07 | Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen | Verfahren zur weiterverarbeitung von entschwefelungschlamm einer rauchgasentschwefelungsanlage |
| DE3415541A1 (de) * | 1984-04-26 | 1985-10-31 | Deutsche Babcock Anlagen Ag, 4200 Oberhausen | Verfahren und vorrichtung zum entschwefeln von rauchgasen |
| DE3504775A1 (de) * | 1985-02-13 | 1986-08-14 | Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen | Verwendung von dampfkraftwerksklaerschlamm fuer die nasse entschwefelung von rauchgasen |
| US4587112A (en) * | 1985-06-20 | 1986-05-06 | General Electric Company | Effluent gas desulfurization with conversion to gypsum of large particle size |
| DE3601454A1 (de) * | 1986-01-20 | 1987-07-30 | Hoelter Heinz | Verfahren zur entfernung von hcl, hf, so(pfeil abwaerts)3(pfeil abwaerts), so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) aus verbrennungsabgasen durch eine simultane nasswaesche mit gesteuertem waschwasserkreislauf und spezifischer kalkzugabe |
| DE4034497C1 (fr) * | 1990-10-30 | 1992-02-13 | Metallgesellschaft Ag, 6000 Frankfurt, De | |
| US5246677A (en) * | 1991-05-07 | 1993-09-21 | Electric Power Research Institute | Addition of organophosphonates for size control of wet calcium-based FGD byproduct solids under forced oxidation conditions |
| US5246679A (en) * | 1991-05-07 | 1993-09-21 | Electric Power Research Institute | Addition of organophosphonates for size control of wet calcium-based FGD byproduct solids under inhibited oxidation conditions |
| JP2923208B2 (ja) * | 1994-09-12 | 1999-07-26 | 三菱重工業株式会社 | 湿式排煙脱硫装置 |
| DE102005044779A1 (de) * | 2005-09-20 | 2007-03-22 | Messer Group Gmbh | Verfahren zum Einstellen der Schwefeldioxidkonzentration in Rauchgasen |
| CN106044827B (zh) * | 2016-07-12 | 2018-11-27 | 山东胜伟盐碱地科技有限公司 | 一种燃煤电厂脱硫石膏的除杂方法 |
| CN111484062A (zh) * | 2020-04-15 | 2020-08-04 | 江苏一夫科技股份有限公司 | 一种二水硫酸钙、其制备方法和用途 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2080779A (en) * | 1937-05-18 | Purification of combustion gases | ||
| US2090142A (en) * | 1933-12-28 | 1937-08-17 | Ici Ltd | Wet purification of gases |
| DE1467292A1 (de) * | 1963-08-24 | 1969-01-23 | Yawata Chem Ind Co Ltd | Verfahren zur kontinuierlichen Herstellung von Gips und Eisenoxyd |
| JPS5017318B1 (fr) * | 1970-12-29 | 1975-06-19 | ||
| JPS5146678B2 (fr) * | 1973-03-14 | 1976-12-10 | ||
| JPS5211680B2 (fr) * | 1973-03-14 | 1977-04-01 | ||
| DE2519489A1 (de) * | 1975-05-02 | 1976-11-18 | Heinz Hoelter | Verfahren zur herstellung von gips nach so tief 2-waschverfahren, vorzugsweise rauchgaswaesche hinter kraftwerken und sinterstrassen |
| JPS5140399A (en) * | 1974-10-03 | 1976-04-05 | Taki Chemical | Aryusankarushiumuno shorihoho |
| JPS52123995A (en) * | 1976-04-13 | 1977-10-18 | Ishikawajima Harima Heavy Ind Co Ltd | Flue gas desulfurization method with by-product gypsum |
| JPS5351199A (en) * | 1976-10-22 | 1978-05-10 | Michio Sekiya | Manufacturing process for hydrate of crystalline calcium sulfate |
| JPS6031764B2 (ja) * | 1977-01-17 | 1985-07-24 | 呉羽化学工業株式会社 | 排▲ヘウ▼脱硫方法 |
| JPS5511045A (en) * | 1978-07-11 | 1980-01-25 | Mitsubishi Heavy Ind Ltd | Exhaust gas processing method |
| US4250152A (en) * | 1978-11-06 | 1981-02-10 | Research-Cottrell, Inc. | Sulfur dioxide scrubber with hyroclone separator |
| JPS55113621A (en) * | 1979-02-21 | 1980-09-02 | Babcock Hitachi Kk | Manufacture of alpha hemihydrate gypsum |
| CA1129181A (fr) * | 1979-03-30 | 1982-08-10 | Mark Richman | Systeme d'elimination du so.sub.2 pour la desulfuration du gaz de carneau |
| JPS56149322A (en) * | 1980-04-21 | 1981-11-19 | Agency Of Ind Science & Technol | Manufacture of alpha-type hemihydrate gypsum |
| JPS5771819A (en) * | 1980-10-16 | 1982-05-04 | Mitsubishi Heavy Ind Ltd | Oxidation of calcium sulfite |
| DE3110974C2 (de) * | 1981-03-20 | 1986-12-11 | Knauf-Research-Cottrell GmbH & Co Umwelttechnik KG, 8715 Iphofen | Verfahren zur Herstellung von sphärischen Calciumsulfatdihydrat-Körnern |
| DE3129878C2 (de) * | 1981-07-29 | 1985-01-31 | Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen | Verfahren zur Herstellung von Alpha-Calciumsulfathalbhydrat aus Entschwefelungsschlamm |
-
1982
- 1982-10-30 DE DE3240317A patent/DE3240317C2/de not_active Expired
-
1983
- 1983-09-08 AT AT0321283A patent/AT386593B/de not_active IP Right Cessation
- 1983-09-19 IT IT22915/83A patent/IT1169834B/it active
- 1983-09-19 NL NL8303219A patent/NL8303219A/nl not_active Application Discontinuation
- 1983-10-20 FR FR8316706A patent/FR2535303B1/fr not_active Expired
- 1983-10-28 DK DK494183A patent/DK494183A/da not_active Application Discontinuation
- 1983-10-28 US US06/546,486 patent/US4503020A/en not_active Expired - Fee Related
- 1983-10-31 CA CA000440071A patent/CA1195090A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1169834B (it) | 1987-06-03 |
| DE3240317A1 (de) | 1984-05-03 |
| DK494183A (da) | 1984-05-01 |
| FR2535303A1 (fr) | 1984-05-04 |
| AT386593B (de) | 1988-09-12 |
| ATA321283A (de) | 1988-02-15 |
| DK494183D0 (da) | 1983-10-28 |
| IT8322915A0 (it) | 1983-09-19 |
| FR2535303B1 (fr) | 1985-11-29 |
| DE3240317C2 (de) | 1986-06-12 |
| CA1195090A (fr) | 1985-10-15 |
| US4503020A (en) | 1985-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL8303219A (nl) | Werkwijze voor de bereiding van calciumsulfaat-dihydraat in het kader van de ontzwaveling van rookgassen. | |
| CA2023434C (fr) | Desulfuration de gaz de carneau par oxydation du sulfite de calcium dans l'evacuation d'un systeme d'epuration | |
| DE69114472D1 (de) | Verfahren zur Entfernung von Schwefeldioxid unter Bildung von Gips und Magnesiumhydroxid. | |
| US4478810A (en) | Method of treating final products from flue gas desulfurization | |
| US5312609A (en) | Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation | |
| CA2033560A1 (fr) | Elimination du dioxyde de soufre des gaz de carneau avec inhibition de l'oxydation des sulfites | |
| ATE158197T1 (de) | Magnesium-unterstützte auswaschung von schwefeldioxid mit herstellung von gips | |
| NL8301146A (nl) | Werkwijze voor het winnen van gips bij het ontzwavelen van afgewerkt gas. | |
| US5413635A (en) | Lime sludge treatment process | |
| US4080427A (en) | Method of desulfurizing exhaust gases by wet lime-gypsum process | |
| EP0543767A1 (fr) | Procédé pour la fabrication d'articles moulés solides à partir de sous-produits de la désulfuration calcaire-gypse de gaz de fumée par voie humide | |
| DK155724B (da) | Fremgangsmaade til fremstilling af calciumsulfat-dihydrat i forbindelse med afsvovling af roeggas fra kraftvaerker | |
| DE3129878C2 (de) | Verfahren zur Herstellung von Alpha-Calciumsulfathalbhydrat aus Entschwefelungsschlamm | |
| NL8202052A (nl) | Werkwijze voor het bereiden van calciumsulfaat-halfhydraat uit rookgasgips. | |
| RU2005105042A (ru) | Способ и установка для изготовления цементного клинкера | |
| FI93751B (fi) | Menetelmä ja laite kalsiumkarbonaattilietteen käsittelemiseksi paperinvalmistusprosessin jäännöksenä | |
| NL8400744A (nl) | Werkwijze om hcl en so2 te verwijderen uit rookgassen. | |
| FR2491054A1 (fr) | Procede d'emploi d'un melange de demi-hydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment | |
| GB2131715A (en) | Removal of solid product from flue gas scrubber using lime (stone) slurry | |
| SE448866B (sv) | Forfarande for framstellning av rena magnesiumforeningar sasom mg(hso?713)?712 och/eller mgso?714 | |
| JPH08206451A (ja) | 水酸化マグネシウムの製造及び脱硫方法 | |
| JPH06199561A (ja) | 湿式石灰石こう脱硫装置より副生するスラリからの固体成型物の製造法 | |
| CA1339049C (fr) | Methode de conversion du sulfate de calcium dihydrate en .alpha.-semihy drate | |
| SU692789A1 (ru) | Способ переработки металлургических шлаков | |
| CS219695B1 (en) | Method of making the dry calcium hydrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1A | A request for search or an international-type search has been filed | ||
| BT | A notification was added to the application dossier and made available to the public | ||
| A85 | Still pending on 85-01-01 | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |