ATE129924T1 - 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: ATE129924T1
Authority: AT; Austria
Prior art keywords: gypsum; aqueous; calcium sulfate; oxidizer; sulfur dioxide
Prior art date: 1991-03-26

Application number

AT91113699T

Other languages

English (en)

Inventor

John W College

Lewis B Benson

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.)

1991-03-26

Filing date

1991-08-14

Publication date

1995-11-15

1991-08-14 Application filed by Dravo Lime Co filed Critical Dravo Lime Co

1995-11-15 Application granted granted Critical

1995-11-15 Publication of ATE129924T1 publication Critical patent/ATE129924T1/de

Links

229910052602 gypsum Inorganic materials 0.000 title abstract 5
239000010440 gypsum Substances 0.000 title abstract 5
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title abstract 4
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 title 1
229910001862 magnesium hydroxide Inorganic materials 0.000 title 1
239000000347 magnesium hydroxide Substances 0.000 title 1
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 9
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 4
239000007800 oxidant agent Substances 0.000 abstract 3
230000008929 regeneration Effects 0.000 abstract 3
238000011069 regeneration method Methods 0.000 abstract 3
229910052943 magnesium sulfate Inorganic materials 0.000 abstract 2
235000019341 magnesium sulphate Nutrition 0.000 abstract 2
235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
235000011941 Tilia x europaea Nutrition 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
239000003546 flue gas Substances 0.000 abstract 1
239000004571 lime Substances 0.000 abstract 1
239000011777 magnesium Substances 0.000 abstract 1
229910052749 magnesium Inorganic materials 0.000 abstract 1
230000003647 oxidation Effects 0.000 abstract 1
238000007254 oxidation reaction Methods 0.000 abstract 1
239000002244 precipitate Substances 0.000 abstract 1
238000000926 separation method Methods 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1
239000000243 solution Substances 0.000 abstract 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
- C01F11/464—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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Inorganic Chemistry (AREA)
Geology (AREA)
Environmental & Geological Engineering (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Treating Waste Gases (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

AT91113699T 1991-03-26 1991-08-14 Verfahren zur entfernung von schwefeldioxid unter bildung von gips und magnesiumhydroxid. ATE129924T1 (de)

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 (1)

Publication Number	Publication Date
ATE129924T1 true ATE129924T1 (de)	1995-11-15

Family

ID=24710400

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT91113699T ATE129924T1 (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 (26)

* Cited by examiner, † Cited by third party
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
FI102959B (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
SE507642C2 (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
CN107935022B (zh) *	2017-12-08	2024-05-10	南丹县南方有色金属有限责任公司	一种氧化锌脱硫洗涤系统
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)

* Cited by examiner, † Cited by third party
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 AT AT91113699T patent/ATE129924T1/de not_active IP Right Cessation
- 1991-08-14 DE DE69114472T patent/DE69114472T2/de not_active Expired - Fee Related
- 1991-08-14 EP EP91113699A patent/EP0505607B1/de not_active Expired - Lifetime
- 1991-08-14 ES ES91113699T patent/ES2082893T3/es 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
EP0505607B1 (de)	1995-11-08
PL293965A1 (en)	1992-10-05
EP0505607A1 (de)	1992-09-30
DE69114472D1 (de)	1995-12-14
DE69114472T2 (de)	1996-03-21
US5084255A (en)	1992-01-28
CA2050974A1 (en)	1992-09-27
ES2082893T3 (es)	1996-04-01
PL168240B1 (pl)	1996-01-31
CA2050974C (en)	1999-02-16

Legal Events

Date	Code	Title	Description
1996-05-15	UEP	Publication of translation of european patent specification
2004-05-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
ATE129924T1 (de)	1995-11-15	Verfahren zur entfernung von schwefeldioxid unter bildung von gips und magnesiumhydroxid.
CA1309840C (en)	1992-11-10	Process for desulfurization of sulfur dioxide-containing gas streams
ATE109370T1 (de)	1994-08-15	Verfahren zum entfernen von schwefeldioxyd aus rauchgasen.
CA2023434C (en)	1998-06-23	Flue gas desulfurization with oxidation of calcium sulfite in fgd discharges
ES451739A1 (es)	1977-08-16	Procedimiento para separar oxidos de azufre de gases resi- duales industriales.
CA2117146A1 (en)	1994-09-09	FGD Performance Enhancement by Hydroclone
DE69520319D1 (de)	2001-04-19	Verfahren zur Entschwefelung von Abgasen
EP0679426B1 (de)	1997-09-17	Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips
ES2007250A6 (es)	1989-06-01	Procedimiento para eliminar en humedo dioxido de azufre.
EP0604701B1 (de)	1999-05-19	Verfahren zur Entfernung von Schwefeldioxid aus Gasströmen unter Herstellung von Alpha-Hemihydrat-Gips
CA2033560A1 (en)	1991-07-09	Sulfur dioxide removal from flue gases with sulfite oxidation inhibition
JP3066403B2 (ja)	2000-07-17	煙道ガスからの二酸化イオウ除去方法
ATE156725T1 (de)	1997-08-15	Verfahren zur reinigung von kondensierbaren organischen verunreinigungen enthaltenden gasen
SE9300169L (sv)	1994-07-22	Sätt och anordning att rena klorväte- och svaveldioxidinnehållande gaser
DE3768837D1 (de)	1991-05-02	Verfahren zur verminderung der chloridbelastung in nassen rauchgasentschwefelungsanlagen.
SE448866B (sv)	1987-03-23	Forfarande for framstellning av rena magnesiumforeningar sasom mg(hso?713)?712 och/eller mgso?714
TW333521B (en)	1998-06-11	Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
JPS5586522A (en)	1980-06-30	Desulfurization of exhaust gas
JPH0221853B2 (de)	1990-05-16