DE69500717D1 - Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips - Google Patents

Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips

Info

Publication number
DE69500717D1
DE69500717D1 DE69500717T DE69500717T DE69500717D1 DE 69500717 D1 DE69500717 D1 DE 69500717D1 DE 69500717 T DE69500717 T DE 69500717T DE 69500717 T DE69500717 T DE 69500717T DE 69500717 D1 DE69500717 D1 DE 69500717D1
Authority
DE
Germany
Prior art keywords
scrubbing
gypsum
magnesium
unit
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
Application number
DE69500717T
Other languages
English (en)
Other versions
DE69500717T2 (de
Inventor
John W College
Russell C Forsythe
Shiaw C Tseng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dravo Lime Co
Original Assignee
Dravo Lime Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22883387&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69500717(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dravo Lime Co filed Critical Dravo Lime Co
Publication of DE69500717D1 publication Critical patent/DE69500717D1/de
Application granted granted Critical
Publication of DE69500717T2 publication Critical patent/DE69500717T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69500717T 1994-04-28 1995-04-18 Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips Expired - Fee Related DE69500717T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23493294A 1994-04-28 1994-04-28

Publications (2)

Publication Number Publication Date
DE69500717D1 true DE69500717D1 (de) 1997-10-23
DE69500717T2 DE69500717T2 (de) 1998-02-12

Family

ID=22883387

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69500717T Expired - Fee Related DE69500717T2 (de) 1994-04-28 1995-04-18 Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips

Country Status (9)

Country Link
US (1) US5645807A (de)
EP (1) EP0679426B1 (de)
JP (1) JPH0838851A (de)
KR (1) KR0144369B1 (de)
CN (1) CN1057712C (de)
AT (1) ATE158197T1 (de)
CA (1) CA2147059C (de)
DE (1) DE69500717T2 (de)
ES (1) ES2109749T3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
US6843835B2 (en) * 2001-03-27 2005-01-18 The Procter & Gamble Company Air cleaning apparatus and method for cleaning air
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
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 北京融通丰源系统技术有限公司 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系统
CN110182838B (zh) * 2019-06-25 2023-10-17 湘潭大学 一种烟气脱硫灰的改性工艺系统及方法
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ATE158197T1 (de) 1997-10-15
EP0679426A1 (de) 1995-11-02
CA2147059A1 (en) 1995-10-29
CN1112454A (zh) 1995-11-29
CN1057712C (zh) 2000-10-25
DE69500717T2 (de) 1998-02-12
ES2109749T3 (es) 1998-01-16
KR0144369B1 (ko) 1998-07-15
US5645807A (en) 1997-07-08
CA2147059C (en) 1999-08-10
JPH0838851A (ja) 1996-02-13
EP0679426B1 (de) 1997-09-17
KR950028810A (ko) 1995-11-22

Similar Documents

Publication Publication Date Title
ATE158197T1 (de) Magnesium-unterstützte auswaschung von schwefeldioxid mit herstellung von gips
CA2050974A1 (en) Sulfur dioxide removal process with gypsum and magnesium hydroxide production
ATE89764T1 (de) Entschwefelung von rauchgas.
DE69011301T2 (de) Verfahren zum Entfernen von Schwefeldioxyd aus Rauchgasen.
EP0339683A3 (en) Process for desulphurisation of a sulphur dioxide-containing gas stream
ATE215514T1 (de) Verfahren zur herstellung von reinem calciumkarbonat
DE68907498T2 (de) Entschwefelung.
ES2007250A6 (es) Procedimiento para eliminar en humedo dioxido de azufre.
TW353624B (en) Desulfurization process for flue gases
EP0604701B1 (de) Verfahren zur Entfernung von Schwefeldioxid aus Gasströmen unter Herstellung von Alpha-Hemihydrat-Gips
ATE189277T1 (de) Selektive oxydation von weisslauge
ATE98512T1 (de) Schwefeldioxidentfernung aus rauchgasen mit sulfitoxidationsunterdrueckung.
CA2436727A1 (en) Method of removing sulfur dioxide from a gaseous stream in a wet scrubbing unit
ATE66164T1 (de) Verfahren zur regelung des wasserhaushalts von nassen rauchgasentschwefelungsanlagen.
JPS5771819A (en) Oxidation of calcium sulfite
ATE15877T1 (de) Verfahren zur herstellung von dihydroxialuminiumnatriumcarbonat.
TW333521B (en) Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
JPS55113621A (en) Manufacture of alpha hemihydrate gypsum
GB1435805A (en) Removal of sulphur dioxide from waste gases
SE448866B (sv) Forfarande for framstellning av rena magnesiumforeningar sasom mg(hso?713)?712 och/eller mgso?714
ATE81643T1 (de) Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus calciumsulfat-dihydrat.
ATE29676T1 (de) Verfahren und vorrichtung zum entschwefeln von rauchgasen.
PL367406A1 (en) Method for manufacturing plaster from animal wastes containing sulphites
WO2003074159A8 (fr) Procede permettant d'eliminer le dioxyde de soufre d'un gaz de traitement residuaire

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee