ES2109749T3 - Depuracion de dioxido de azufre reforzada con magnesio, con formacion de yeso. - Google Patents
Depuracion de dioxido de azufre reforzada con magnesio, con formacion de yeso.Info
- Publication number
- ES2109749T3 ES2109749T3 ES95105757T ES95105757T ES2109749T3 ES 2109749 T3 ES2109749 T3 ES 2109749T3 ES 95105757 T ES95105757 T ES 95105757T ES 95105757 T ES95105757 T ES 95105757T ES 2109749 T3 ES2109749 T3 ES 2109749T3
- Authority
- ES
- Spain
- Prior art keywords
- scrubbing
- magnesium
- unit
- sulfur dioxide
- depuration
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
-
- 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
-
- 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
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Physical Water Treatments (AREA)
Abstract
UN METODO DE EXTRACCION AL AGUA PARA LA ELIMINACION DIOXIDO DE AZUFRE DESDE UNA CORRIENTE GASEOSA UTILIZA UNA LECHADA ACUOSA DE EXTRACCION CAL CON AUMENTO DE MAGNESIO, DE DONDE UN CONTENIDO SOLIDO EN LA LECHADA ACUOSA EN UNA UNIDAD DE EXTRACCION DEL OESTE SE MANTIENE EN UNA CANTIDAD ENTRE 13 AL 20 POR CIENTO DE PESO. UNA CORRIENTE DE DRENAJE SE ELIMINA DE LA LECHADA DE EXTRACCION ACUOSA EN UN PH DE ENTRE 4,5-5,6 Y ALIMENTA EN UNA UNIDAD DE OXIDACION EN DONDE EL SULFITO DE CALCIO SE OXIDA EN YESO. EL YESO Y LOS SOLIDOS RESIDUALES EN LA DESCARGA DE LA UNIDAD DE OXIDACION SE SEPARAN PARA PRODUCIR UNA SOLUCION ACLARADA, QUE RETORNA A LA UNIDAD DE EXTRACCION AL AGUA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23493294A | 1994-04-28 | 1994-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2109749T3 true ES2109749T3 (es) | 1998-01-16 |
Family
ID=22883387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95105757T Expired - Lifetime ES2109749T3 (es) | 1994-04-28 | 1995-04-18 | Depuracion de dioxido de azufre reforzada con magnesio, con formacion de yeso. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5645807A (es) |
EP (1) | EP0679426B1 (es) |
JP (1) | JPH0838851A (es) |
KR (1) | KR0144369B1 (es) |
CN (1) | CN1057712C (es) |
AT (1) | ATE158197T1 (es) |
CA (1) | CA2147059C (es) |
DE (1) | DE69500717T2 (es) |
ES (1) | ES2109749T3 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3751340B2 (ja) * | 1995-08-22 | 2006-03-01 | 東洋エンジニアリング株式会社 | 排ガスの脱硫方法 |
FR2764206B1 (fr) * | 1997-06-10 | 1999-09-03 | Lab Sa | Perfectionnement aux procedes de desulfuration des fumees par voie humide |
SE507642C2 (sv) * | 1997-06-11 | 1998-06-29 | Goetaverken Miljoe Ab | Förfarande för avsvavling av gaser, såsom rökgaser från förbränningsanläggningar |
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 |
US6843835B2 (en) * | 2001-03-27 | 2005-01-18 | The Procter & Gamble Company | Air cleaning apparatus and method for cleaning air |
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 |
CN100404108C (zh) * | 2005-12-08 | 2008-07-23 | 六合天融(北京)环保科技有限公司 | 利用镁法脱硫副产物亚硫酸镁制取脱硫剂氧化镁和二氧化硫的方法 |
CN100376471C (zh) * | 2006-07-14 | 2008-03-26 | 北京融通丰源***技术有限公司 | 低浓度二氧化硫烟气脱硫制硫酸的方法及烟气脱硫设备 |
US9221009B2 (en) * | 2009-02-23 | 2015-12-29 | The Babcock & Wilcox Company | System and method for softening water for use in a scrubber |
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 |
CN103537182A (zh) * | 2013-10-30 | 2014-01-29 | 江西自立资源再生有限公司 | 一种阳极炉烟气脱硫装置及脱硫工艺 |
CN103638790A (zh) * | 2013-12-11 | 2014-03-19 | 中国神华能源股份有限公司 | 一种防止二氧化硫吸收塔内部结垢的方法 |
CN103801177B (zh) * | 2014-01-27 | 2016-04-06 | 浙江大学 | 一种钙镁法同时脱硫脱硝脱汞的烟气处理方法 |
US9327237B2 (en) * | 2014-07-23 | 2016-05-03 | Alcoa Inc. | Systems and methods for removing sulfur dioxide from a gas stream |
CN109395550A (zh) * | 2018-12-14 | 2019-03-01 | 安徽海螺集团有限责任公司 | 一种用于去除烟气中二氧化硫的处理*** |
CN110182838B (zh) * | 2019-06-25 | 2023-10-17 | 湘潭大学 | 一种烟气脱硫灰的改性工艺***及方法 |
CN113769564B (zh) * | 2021-09-22 | 2022-09-09 | 中南大学 | 一种半干法脱硫灰固化工业烟气二氧化碳及其资源化方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JPS608850B2 (ja) * | 1976-08-02 | 1985-03-06 | 三菱重工業株式会社 | 排ガスの処理法 |
US4164549A (en) * | 1978-01-30 | 1979-08-14 | Dravo Corporation | Lime scrubbing process for sulfur dioxide removal from gases |
JPS6114232A (ja) * | 1984-06-29 | 1986-01-22 | N V C:Kk | プラスチツク製品の洗浄方法 |
JPS61178022A (ja) * | 1985-02-05 | 1986-08-09 | Mitsubishi Heavy Ind Ltd | So↓2とso↓3とダストの同時処理方法 |
US5039499A (en) * | 1988-04-29 | 1991-08-13 | Dravo Lime Company | Process for desulfurization of sulfur dioxide-containing gas streams |
US4976936A (en) * | 1989-08-18 | 1990-12-11 | Dravo Lime Company | Flue gas desulfurization with oxidation of calcium sulfite in FGD discharges |
US4996032A (en) * | 1989-12-21 | 1991-02-26 | Dravo Lime Company | Process for removing sulfur dioxide from flue gases |
US5082639A (en) * | 1990-11-06 | 1992-01-21 | Dravo Lime Company | Sulfur dioxide removal from gases using a modified lime |
US5084255A (en) * | 1991-03-26 | 1992-01-28 | Dravco Lime Company | Sulfur dioxide removal process with gypsum and magnesium hydroxide production |
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 |
-
1995
- 1995-04-13 CA CA002147059A patent/CA2147059C/en not_active Expired - Fee Related
- 1995-04-18 AT AT95105757T patent/ATE158197T1/de not_active IP Right Cessation
- 1995-04-18 EP EP95105757A patent/EP0679426B1/en not_active Expired - Lifetime
- 1995-04-18 DE DE69500717T patent/DE69500717T2/de not_active Expired - Fee Related
- 1995-04-18 ES ES95105757T patent/ES2109749T3/es not_active Expired - Lifetime
- 1995-04-26 JP JP7102669A patent/JPH0838851A/ja active Pending
- 1995-04-27 KR KR1019950010026A patent/KR0144369B1/ko not_active IP Right Cessation
- 1995-04-28 CN CN95104688A patent/CN1057712C/zh not_active Expired - Fee Related
- 1995-05-24 US US08/446,959 patent/US5645807A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2147059C (en) | 1999-08-10 |
CN1057712C (zh) | 2000-10-25 |
EP0679426A1 (en) | 1995-11-02 |
ATE158197T1 (de) | 1997-10-15 |
DE69500717D1 (de) | 1997-10-23 |
US5645807A (en) | 1997-07-08 |
KR0144369B1 (ko) | 1998-07-15 |
KR950028810A (ko) | 1995-11-22 |
EP0679426B1 (en) | 1997-09-17 |
JPH0838851A (ja) | 1996-02-13 |
DE69500717T2 (de) | 1998-02-12 |
CA2147059A1 (en) | 1995-10-29 |
CN1112454A (zh) | 1995-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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