DE69114472D1 - Verfahren zur Entfernung von Schwefeldioxid unter Bildung von Gips und Magnesiumhydroxid. - Google Patents
Verfahren zur Entfernung von Schwefeldioxid unter Bildung von Gips und Magnesiumhydroxid.Info
- Publication number
- DE69114472D1 DE69114472D1 DE69114472T DE69114472T DE69114472D1 DE 69114472 D1 DE69114472 D1 DE 69114472D1 DE 69114472 T DE69114472 T DE 69114472T DE 69114472 T DE69114472 T DE 69114472T DE 69114472 D1 DE69114472 D1 DE 69114472D1
- Authority
- DE
- Germany
- Prior art keywords
- gypsum
- aqueous
- calcium sulfate
- oxidizer
- sulfur dioxide
- 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 - Fee Related
Links
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
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/14—Magnesium hydroxide
- C01F5/22—Magnesium hydroxide from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/675,418 US5084255A (en) | 1991-03-26 | 1991-03-26 | Sulfur dioxide removal process with gypsum and magnesium hydroxide production |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69114472D1 true DE69114472D1 (de) | 1995-12-14 |
DE69114472T2 DE69114472T2 (de) | 1996-03-21 |
Family
ID=24710400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69114472T Expired - Fee Related DE69114472T2 (de) | 1991-03-26 | 1991-08-14 | Verfahren zur Entfernung von Schwefeldioxid unter Bildung von Gips und Magnesiumhydroxid. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5084255A (de) |
EP (1) | EP0505607B1 (de) |
AT (1) | ATE129924T1 (de) |
CA (1) | CA2050974C (de) |
DE (1) | DE69114472T2 (de) |
ES (1) | ES2082893T3 (de) |
PL (1) | PL168240B1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5246471A (en) * | 1992-02-07 | 1993-09-21 | The Babcock & Wilcox Company | Method and apparatus for gas liquid contact |
US5270026A (en) * | 1992-12-11 | 1993-12-14 | Dravo Lime Company | Sulfur dioxide scrubbing process producing purified magnesium hydroxide |
US5312609A (en) * | 1992-12-31 | 1994-05-17 | Dravo Lime Company | Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation |
CA2147059C (en) * | 1994-04-28 | 1999-08-10 | John W. College | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation |
US5628811A (en) * | 1994-08-23 | 1997-05-13 | Dravo Lime Company | Method of ameliorating acid soil to enhance plant growth |
CA2159521C (en) | 1994-10-07 | 1999-11-09 | Shigeo Iiyama | Method for desulfurizing exhaust gas |
US5614158A (en) * | 1995-10-20 | 1997-03-25 | Dravo Lime Company | Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide |
US5639298A (en) * | 1995-11-27 | 1997-06-17 | Air Products And Chemicals, Inc. | Modified gypsum compositions |
DE19546149B4 (de) * | 1995-11-28 | 2004-06-03 | Vattenfall Europe Generation Ag & Co. Kg | Verfahren zur Rauchgasentschwefelung, wobei nach einer Naß-Rauchgasentschwefelungsanlage die verunreinigte Waschlösung einer speziellen Behandlung zugeführt wird |
US6099816A (en) * | 1996-07-24 | 2000-08-08 | Dravo Lime, Inc. | Process for desulfurizing a sulfur-dioxide containing gas |
FI102959B1 (fi) * | 1996-09-23 | 1999-03-31 | Kemira Agro Oy | Menetelmä magnesiumsulfiitin tai magnesiumvetysulfiitin hapettamiseksi |
US5846286A (en) * | 1997-03-07 | 1998-12-08 | Dravo Lime Company | Method for removing NOx from a gas stream while producing an alkaline earth nitrate fertilizer composition |
SE9702229L (sv) * | 1997-06-11 | 1998-06-29 | Goetaverken Miljoe Ab | Förfarande för avsvavling av gaser, såsom rökgaser från förbränningsanläggningar |
US6033577A (en) * | 1998-05-18 | 2000-03-07 | Dravo Lime Company | Coordination of liquid-solid separators and fluid tanks |
US6572832B2 (en) | 2001-03-27 | 2003-06-03 | Carmeuse North America Services, Inc. | Method of removing sulfur dioxide from a gaseous stream in a wet scrubbing unit |
US6997119B2 (en) * | 2002-07-23 | 2006-02-14 | Radway Jerrold E | Combustion emissions control and utilization of byproducts |
US7179438B2 (en) * | 2005-04-20 | 2007-02-20 | Allegheny Energy, Inc. | Methods and apparatus for recovering gypsum and magnesium hydroxide |
US8196360B2 (en) * | 2006-01-12 | 2012-06-12 | Msr Innovations Inc. | Photovoltaic solar roof tile assembly system |
DE102007050904B4 (de) * | 2007-10-23 | 2013-07-25 | Babcock Noell Gmbh | Anlage und Verfahren zur Reinigung von Rauchgasen |
US8226754B2 (en) * | 2008-10-15 | 2012-07-24 | Urs Corporation | Low cost wet lime/limestone/sodium FGD system |
US7887769B1 (en) | 2009-12-01 | 2011-02-15 | Carmeuse Lime, Inc. | Method of removing sulfur dioxide from flue gases and treatment of oxidized effluent therefrom |
EP3069781B1 (de) | 2015-03-20 | 2019-05-08 | General Electric Technology GmbH | System zur entfernung von schwefel aus einem abgas |
US20170334752A1 (en) * | 2016-05-19 | 2017-11-23 | AECOM Technical Services, Inc. | Sulfate reduction in flue gas desulfurization system by barium precipitation |
RU2679238C1 (ru) * | 2018-01-30 | 2019-02-06 | Кирилл Николаевич Войнов | Способ улавливания выхлопных газов |
RU2656458C1 (ru) * | 2018-01-30 | 2018-06-05 | Кирилл Николаевич Войнов | Ловушка вредных испарений и запахов |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4014978A (en) * | 1970-08-24 | 1977-03-29 | Combustion Engineering, Inc. | Air pollution control system and method |
US3919393A (en) * | 1973-03-08 | 1975-11-11 | Dravo Corp | Process for sulfur dioxide removal from combustion gases |
US3919394A (en) * | 1973-05-14 | 1975-11-11 | Dravo Corp | Process for the removal of oxides of sulfur from a gaseous stream |
US4046856A (en) * | 1974-03-15 | 1977-09-06 | Kawasaki Jukogyo Kabushiki Kaisha | Method for removing sulfur oxide from stack gas |
JPS53117683A (en) * | 1977-03-23 | 1978-10-14 | Kawasaki Heavy Ind Ltd | Removing method for sulfure oxides contained in exhayst gas |
JPS5511045A (en) * | 1978-07-11 | 1980-01-25 | Mitsubishi Heavy Ind Ltd | Exhaust gas processing method |
US4246245A (en) * | 1979-01-02 | 1981-01-20 | Bechtel International Corporation | SO2 Removal |
US4804523A (en) * | 1987-06-17 | 1989-02-14 | Bechtel Group, Incorporated | Use of seawater in flue gas desulfurization |
US4876076A (en) * | 1988-02-10 | 1989-10-24 | Tampa Electric Company | Process of desulfurization |
US5039499A (en) * | 1988-04-29 | 1991-08-13 | Dravo Lime Company | Process for desulfurization of sulfur dioxide-containing gas streams |
-
1991
- 1991-03-26 US US07/675,418 patent/US5084255A/en not_active Expired - Lifetime
- 1991-08-14 ES ES91113699T patent/ES2082893T3/es not_active Expired - Lifetime
- 1991-08-14 DE DE69114472T patent/DE69114472T2/de not_active Expired - Fee Related
- 1991-08-14 AT AT91113699T patent/ATE129924T1/de not_active IP Right Cessation
- 1991-08-14 EP EP91113699A patent/EP0505607B1/de not_active Expired - Lifetime
- 1991-09-09 CA CA002050974A patent/CA2050974C/en not_active Expired - Lifetime
-
1992
- 1992-03-25 PL PL92293965A patent/PL168240B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
PL168240B1 (pl) | 1996-01-31 |
US5084255A (en) | 1992-01-28 |
EP0505607A1 (de) | 1992-09-30 |
CA2050974A1 (en) | 1992-09-27 |
ATE129924T1 (de) | 1995-11-15 |
EP0505607B1 (de) | 1995-11-08 |
CA2050974C (en) | 1999-02-16 |
PL293965A1 (en) | 1992-10-05 |
ES2082893T3 (es) | 1996-04-01 |
DE69114472T2 (de) | 1996-03-21 |
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DE69114472D1 (de) | Verfahren zur Entfernung von Schwefeldioxid unter Bildung von Gips und Magnesiumhydroxid. | |
CA1309840C (en) | Process for desulfurization of sulfur dioxide-containing gas streams | |
CA2023434C (en) | Flue gas desulfurization with oxidation of calcium sulfite in fgd discharges | |
ATE109370T1 (de) | Verfahren zum entfernen von schwefeldioxyd aus rauchgasen. | |
DE69520319T2 (de) | Verfahren zur Entschwefelung von Abgasen | |
EP0679426B1 (de) | Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips | |
EP0604701B1 (de) | Verfahren zur Entfernung von Schwefeldioxid aus Gasströmen unter Herstellung von Alpha-Hemihydrat-Gips | |
ES2007250A6 (es) | Procedimiento para eliminar en humedo dioxido de azufre. | |
ATE98512T1 (de) | Schwefeldioxidentfernung aus rauchgasen mit sulfitoxidationsunterdrueckung. | |
JP3066403B2 (ja) | 煙道ガスからの二酸化イオウ除去方法 | |
DK0485011T3 (da) | Fremgangsmåde til fjernelse af bestanddele fra en spildgas | |
JPS5715822A (en) | Treatment of sulfur oxide in waste gas | |
SE448866B (sv) | Forfarande for framstellning av rena magnesiumforeningar sasom mg(hso?713)?712 och/eller mgso?714 | |
JPH0239543Y2 (de) | ||
TW333521B (en) | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |