DE69001729D1 - Entschwefelung von rauchgas. - Google Patents
Entschwefelung von rauchgas.Info
- Publication number
- DE69001729D1 DE69001729D1 DE9090115531T DE69001729T DE69001729D1 DE 69001729 D1 DE69001729 D1 DE 69001729D1 DE 9090115531 T DE9090115531 T DE 9090115531T DE 69001729 T DE69001729 T DE 69001729T DE 69001729 D1 DE69001729 D1 DE 69001729D1
- Authority
- DE
- Germany
- Prior art keywords
- sulfite
- oxidized
- oxidation
- aqueous media
- separated
- 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
- 238000006477 desulfuration reaction Methods 0.000 title 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000012736 aqueous medium Substances 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 abstract 2
- 235000010261 calcium sulphite Nutrition 0.000 abstract 2
- 229910052602 gypsum Inorganic materials 0.000 abstract 2
- 239000010440 gypsum Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 238000005201 scrubbing Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/395,667 US4976936A (en) | 1989-08-18 | 1989-08-18 | Flue gas desulfurization with oxidation of calcium sulfite in FGD discharges |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69001729D1 true DE69001729D1 (de) | 1993-07-01 |
DE69001729T2 DE69001729T2 (de) | 1993-09-02 |
Family
ID=23563985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9090115531T Expired - Fee Related DE69001729T2 (de) | 1989-08-18 | 1990-08-13 | Entschwefelung von rauchgas. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4976936A (de) |
EP (1) | EP0414094B1 (de) |
AT (1) | ATE89764T1 (de) |
CA (1) | CA2023434C (de) |
DE (1) | DE69001729T2 (de) |
ES (1) | ES2044347T3 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2082957A1 (en) * | 1990-05-14 | 1991-11-15 | Material-Concepts-Research Limited | Process to produce hydrogen and/or hemihydrate calcium sulphate from calcium sulphite |
DE4034497C1 (de) * | 1990-10-30 | 1992-02-13 | Metallgesellschaft Ag, 6000 Frankfurt, De | |
US5082639A (en) * | 1990-11-06 | 1992-01-21 | Dravo Lime Company | Sulfur dioxide removal from gases using a modified lime |
US5433925A (en) * | 1991-05-24 | 1995-07-18 | Freeport-Mcmoran Inc. | Method and apparatus for removing sulfur dioxide from gas streams |
FR2697846B1 (fr) * | 1992-11-10 | 1995-01-20 | Total Raffinage Distribution | Utilisation comme charge pour polymères de chaux sulfatée provenant de la désulfuration par voie sèche de fumées. |
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 |
US5308509A (en) * | 1993-03-08 | 1994-05-03 | The Babcock & Wilcox Company | FGD performance enhancement by hydroclone and recycling steps |
SE511987C2 (sv) * | 1993-03-09 | 2000-01-10 | Eka Chemicals Ab | Metod för avskiljning av sulfat från en vattenhaltig elektrolyt i en alkalimetallkloratprocess |
CA2147059C (en) * | 1994-04-28 | 1999-08-10 | John W. College | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation |
US5486342A (en) * | 1994-06-13 | 1996-01-23 | Electric Power Research Institute | Clear liquor scrubbing of sulfur dioxide with forced oxidation in flue gas desulfurization system |
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 |
US5562892A (en) * | 1995-01-26 | 1996-10-08 | Kirk; Donald W. | Process for the production of alpha hemihydrate calcium sulfate from flue gas sludge |
DE29517698U1 (de) * | 1995-07-29 | 1996-01-18 | Gottfried Bischoff GmbH & Co. KG, 45136 Essen | Rauchgasentschwefelungsanlage |
JP3015718B2 (ja) * | 1995-09-08 | 2000-03-06 | 三菱重工業株式会社 | 排煙処理システム |
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 |
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 |
FR2764206B1 (fr) * | 1997-06-10 | 1999-09-03 | Lab Sa | Perfectionnement aux procedes de desulfuration des fumees par voie humide |
FR2779663B1 (fr) * | 1998-06-10 | 2000-09-01 | Lab Sa | Procede et installation de desulfuration de fumees |
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 |
US6695018B2 (en) * | 2002-06-10 | 2004-02-24 | The Babcock & Wilcox Company | Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation |
US6997119B2 (en) * | 2002-07-23 | 2006-02-14 | Radway Jerrold E | Combustion emissions control and utilization of byproducts |
US8226754B2 (en) * | 2008-10-15 | 2012-07-24 | Urs Corporation | Low cost wet lime/limestone/sodium FGD system |
CN109876759B (zh) * | 2019-04-09 | 2021-07-20 | 昆山宇顺环保科技有限公司 | 利用低温废气加速脱硫灰中亚硫酸钙氧化的方法及装置 |
CN114191929B (zh) * | 2021-12-24 | 2022-12-06 | 常州化工设计院有限公司 | 一种化工尾气处理工艺 |
Family Cites Families (18)
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 |
CA950169A (en) * | 1970-10-26 | 1974-07-02 | Kureha Kagaku Kogyo Kabushiki Kaisha | Production of gypsum from combustion exhaust gas |
DE2308783C3 (de) * | 1972-02-23 | 1979-07-26 | Kureha Kagaku Kogyo K.K., Tokio | Verfahren zum Entfernen von Schwefeldioxid aus Abgasen |
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 |
US3961021A (en) * | 1973-09-25 | 1976-06-01 | Kureha Kagaku Kogyo Kabushiki Kaisha | Method for removing sulfur dioxide from combustion exhaust gas |
US4046856A (en) * | 1974-03-15 | 1977-09-06 | Kawasaki Jukogyo Kabushiki Kaisha | Method for removing sulfur oxide from stack gas |
JPS5820888B2 (ja) * | 1975-02-25 | 1983-04-26 | 株式会社三井三池製作所 | ハイガスチユウノ イオウサンカブツノ シヨリホウホウ |
US3985860A (en) * | 1975-09-22 | 1976-10-12 | Pullman Incorporated | Method for oxidation of SO2 scrubber sludge |
JPS5252871A (en) * | 1975-10-28 | 1977-04-28 | Mitsubishi Heavy Ind Ltd | Method of treating exhaust gas |
JPS53117683A (en) * | 1977-03-23 | 1978-10-14 | Kawasaki Heavy Ind Ltd | Removing method for sulfure oxides contained in exhayst gas |
DE2755252A1 (de) * | 1977-12-12 | 1979-07-05 | Babcock Bsh Ag | Verfahren zur entfernung von schwefeldioxid aus abgasen unter erzeugung von gips |
US4164549A (en) * | 1978-01-30 | 1979-08-14 | Dravo Corporation | Lime scrubbing process for sulfur dioxide removal from gases |
JPS5511045A (en) * | 1978-07-11 | 1980-01-25 | Mitsubishi Heavy Ind Ltd | Exhaust gas processing method |
JPS597493B2 (ja) * | 1980-10-28 | 1984-02-18 | 川崎重工業株式会社 | 排ガスの脱硫装置 |
JPS6058230A (ja) * | 1983-09-09 | 1985-04-04 | Babcock Hitachi Kk | 排煙脱硫方法および装置 |
US4696805A (en) * | 1985-02-05 | 1987-09-29 | Mitsubishi Jukogyo Kabushiki Kaisha | Method for desulfurizing exhaust gas |
-
1989
- 1989-08-18 US US07/395,667 patent/US4976936A/en not_active Expired - Lifetime
-
1990
- 1990-08-13 AT AT90115531T patent/ATE89764T1/de not_active IP Right Cessation
- 1990-08-13 ES ES90115531T patent/ES2044347T3/es not_active Expired - Lifetime
- 1990-08-13 EP EP90115531A patent/EP0414094B1/de not_active Expired - Lifetime
- 1990-08-13 DE DE9090115531T patent/DE69001729T2/de not_active Expired - Fee Related
- 1990-08-16 CA CA002023434A patent/CA2023434C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0414094A2 (de) | 1991-02-27 |
ATE89764T1 (de) | 1993-06-15 |
US4976936A (en) | 1990-12-11 |
CA2023434A1 (en) | 1991-02-19 |
EP0414094A3 (en) | 1991-06-26 |
EP0414094B1 (de) | 1993-05-26 |
DE69001729T2 (de) | 1993-09-02 |
ES2044347T3 (es) | 1994-01-01 |
CA2023434C (en) | 1998-06-23 |
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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 |