TW326404B - An exhaust desulfurization method - Google Patents

An exhaust desulfurization method

Info

Publication number: TW326404B
Authority: TW; Taiwan
Prior art keywords: treatment liquid; magnesium; desulfurization; exhaust; sulfite
Prior art date: 1995-08-22

Application number

TW085100125A

Other languages

English (en)

Chinese (zh)

Inventor

Kenichi Nakagawa

Original Assignee

Toyo Engineering Corp

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.)

1995-08-22

Filing date

1996-01-06

Publication date

1998-02-11

1996-01-06 Application filed by Toyo Engineering Corp filed Critical Toyo Engineering Corp

1998-02-11 Application granted granted Critical

1998-02-11 Publication of TW326404B publication Critical patent/TW326404B/zh

Links

238000000034 method Methods 0.000 title abstract 13
238000006477 desulfuration reaction Methods 0.000 title abstract 10
230000023556 desulfurization Effects 0.000 title abstract 10
239000007788 liquid Substances 0.000 abstract 11
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 6
239000000203 mixture Substances 0.000 abstract 4
238000000354 decomposition reaction Methods 0.000 abstract 3
229910052943 magnesium sulfate Inorganic materials 0.000 abstract 3
235000019341 magnesium sulphate Nutrition 0.000 abstract 3
239000002002 slurry Substances 0.000 abstract 3
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
239000003795 chemical substances by application Substances 0.000 abstract 2
150000004683 dihydrates Chemical class 0.000 abstract 2
229910052602 gypsum Inorganic materials 0.000 abstract 2
239000010440 gypsum Substances 0.000 abstract 2
150000002680 magnesium Chemical class 0.000 abstract 2
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract 2
239000000347 magnesium hydroxide Substances 0.000 abstract 2
229910001862 magnesium hydroxide Inorganic materials 0.000 abstract 2
230000003647 oxidation Effects 0.000 abstract 2
238000007254 oxidation reaction Methods 0.000 abstract 2
238000004064 recycling Methods 0.000 abstract 2
XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 abstract 2
229910052815 sulfur oxide Inorganic materials 0.000 abstract 2
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
229940043430 calcium compound Drugs 0.000 abstract 1
150000001674 calcium compounds Chemical class 0.000 abstract 1
229910001424 calcium ion Inorganic materials 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
150000002681 magnesium compounds Chemical class 0.000 abstract 1
239000000395 magnesium oxide Substances 0.000 abstract 1
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
159000000003 magnesium salts Chemical class 0.000 abstract 1
LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 abstract 1
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 abstract 1
239000002075 main ingredient Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
239000000725 suspension 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
- 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
- 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
- B01D53/68—Halogens or halogen compounds
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Environmental & Geological Engineering (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Treating Waste Gases (AREA)

TW085100125A 1995-08-22 1996-01-06 An exhaust desulfurization method TW326404B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP21329695A JP3751340B2 (ja)	1995-08-22	1995-08-22	排ガスの脱硫方法

Publications (1)

Publication Number	Publication Date
TW326404B true TW326404B (en)	1998-02-11

Family

ID=16636779

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW085100125A TW326404B (en)	1995-08-22	1996-01-06	An exhaust desulfurization method

Country Status (8)

Country	Link
JP (1)	JP3751340B2 (cs)
KR (1)	KR0174794B1 (cs)
CN (1)	CN1089022C (cs)
AU (1)	AU674822B1 (cs)
CZ (1)	CZ56196A3 (cs)
MY (1)	MY112500A (cs)
PL (1)	PL183184B1 (cs)
TW (1)	TW326404B (cs)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
TW421607B (en) *	1997-10-06	2001-02-11	Hitachi Shipbuilding Eng Co	Process and apparatus for removing acid gases from exhaust gases
CN1085088C (zh) *	1998-03-11	2002-05-22	安乐仁	治疗牛皮癣的药
KR100303388B1 (ko) *	1999-06-02	2001-09-24	세 영 모	습식 탄산칼슘/산화칼슘 배연탈황공정에서 생성된 폐슬럿지를 탄산가스와 암모니아로 처리하여 탄산칼슘을 회수하는 재생식 탈황공정
CN100335154C (zh) *	2005-09-09	2007-09-05	清华大学	一种氧化镁烟气脱硫及产物浓浆法氧化回收工艺
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
CN100435910C (zh) *	2006-04-10	2008-11-26	广州市天赐三和环保工程有限公司	多重循环稳定双碱法烟气脱硫工艺及装置
CN101879406B (zh) *	2010-07-15	2011-05-25	煤炭工业济南设计研究院有限公司	一种双碱法烟气脱硫设备及脱硫方法
CN102172472B (zh) *	2011-02-14	2013-05-08	彭振超	白云石灰用于烟气脱硫的方法
JP6223654B2 (ja) *	2011-10-31	2017-11-01	三菱日立パワーシステムズ株式会社	排煙脱硫装置
TWI457167B (zh) *	2011-11-18	2014-10-21	Long Chen Paper Co Ltd	汽電脫硫設備零排放及氫氧化鎂再生回收系統
CN104959012A (zh) *	2015-04-17	2015-10-07	熊天渝	除去烟气中二氧化硫并产生石膏的镁-钙基湿法脱硫系统和方法
CN107042060B (zh) *	2017-04-05	2022-12-13	中冶焦耐(大连)工程技术有限公司	一种含氨酸性气的资源化方法
CN107185385A (zh) *	2017-07-07	2017-09-22	金川集团股份有限公司	一种大气量杂散冶炼烟气湿法除尘、脱硫方法
JP6958682B2 (ja) *	2018-08-08	2021-11-02	宇部興産株式会社	セメント組成物の製造方法、及びセメント組成物の製造システム
CN110605011A (zh) *	2019-08-08	2019-12-24	陆泳凯	一种镁钙双碱法烟气脱硫方法
CN116124939B (zh) *	2023-01-10	2024-03-26	华北电力科学研究院有限责任公司	一种脱硫浆液石膏过饱和度及石膏结垢风险评价方法和系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5190978A (ja) *	1975-02-04	1976-08-10		Haigasuchunoiosankabutsuojokyosuruhoho
JPS5488870A (en) *	1978-08-08	1979-07-14	Idemitsu Kosan Co Ltd	Wet exhaust gas desulfurization method
CA1310807C (en) *	1986-05-29	1992-12-01	Roderick Beittel	Method for reduction of sulfur products from flue gases by injection of powdered alkali sorbent at intermediate temperatures
JPH03143527A (ja) *	1989-01-10	1991-06-19	Kenichi Nakagawa	排ガスの脱硫方法
CA2147059C (en) *	1994-04-28	1999-08-10	John W. College	Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
CA2159521C (en) *	1994-10-07	1999-11-09	Shigeo Iiyama	Method for desulfurizing exhaust gas

1995
- 1995-08-22 JP JP21329695A patent/JP3751340B2/ja not_active Expired - Fee Related
1996
- 1996-01-06 TW TW085100125A patent/TW326404B/zh active
- 1996-02-09 MY MYPI96000488A patent/MY112500A/en unknown
- 1996-02-12 AU AU44448/96A patent/AU674822B1/en not_active Ceased
- 1996-02-23 KR KR1019960004396A patent/KR0174794B1/ko not_active Expired - Fee Related
- 1996-02-23 CZ CZ96561A patent/CZ56196A3/cs unknown
- 1996-02-28 CN CN96100008A patent/CN1089022C/zh not_active Expired - Fee Related
- 1996-02-29 PL PL96313006A patent/PL183184B1/pl unknown

Also Published As

Publication number	Publication date
MY112500A (en)	2001-06-30
AU674822B1 (en)	1997-01-09
JPH0957053A (ja)	1997-03-04
JP3751340B2 (ja)	2006-03-01
KR0174794B1 (ko)	1999-02-18
KR970009863A (ko)	1997-03-27
PL313006A1 (en)	1997-03-03
CN1143535A (zh)	1997-02-26
CZ56196A3 (en)	1997-07-16
CN1089022C (zh)	2002-08-14
PL183184B1 (pl)	2002-06-28

Publication	Publication Date	Title
TW326404B (en)	1998-02-11	An exhaust desulfurization method
DE69620423D1 (de)	2002-05-08	Verfahren zur herstellung von reinem calciumkarbonat
GB1493980A (en)	1977-12-07	Method of treating an exhaust gas
CA2159521A1 (en)	1996-04-08	Method for Desulfurizing Exhaust Gas
GB1492068A (en)	1977-11-16	Method for removing sulphur dioxide from an exhaust gas
GB1518247A (en)	1978-07-19	Process for treating exhaust gases
US4038367A (en)	1977-07-26	Process for the removal of SOx and NOx from waste gases using alkali metal or alkaline earth metal iodide
JPS5722115A (en)	1982-02-05	Treating method of crude ammonium sulfate
GB1459379A (en)	1976-12-22	Process for producing a-type calcium sulphate hemihydrate
ES471032A1 (es)	1979-02-16	Un procedimiento para el tratamiento de soluciones acuosas de acido sulfurico, que contienen sulfato ferroso disuelto
GB1503085A (en)	1978-03-08	Method for removing sulphur dioxide from an exhaust gas
GB1485067A (en)	1977-09-08	Effluent treatment process
ES2019236A6 (es)	1991-06-01	Un metodo para producir cemento u hormigon.
JPS55137087A (en)	1980-10-25	Decomposing method of cyanometal complex
GB2019826A (en)	1979-11-07	Process of Removing Oxides of Sulfur from Gases; Sludge Resulting from Process: and Product Comprising Lime or Limestone
JPS54132520A (en)	1979-10-15	Preparation of colorless methionine
KR960013993A (ko)	1996-05-22	이수(二水)석고의 제조방법
JPS5648225A (en)	1981-05-01	Trichloride treating method of exhaust gas containing nitrogen
SU1326626A1 (ru)	1987-07-30	Способ получени кобальтового раствора дл электроэкстракции кобальта
KR19990009370A (ko)	1999-02-05	폐기물의 악취 제거용 조성물
FI93869C (fi)	1995-06-12	Menetelmä sulfaattisellutehtaan ylimäärärikin poistamiseksi
SU1711953A1 (ru)	1992-02-15	Способ получени абсорбента дл очистки газа от сероводорода и двуокиси углерода
JPS54142176A (en)	1979-11-06	Waste gas treatment
GB1494812A (en)	1977-12-14	Wet-treatment of exhaust gases
SU1074817A1 (ru)	1984-02-23	Способ переработки фосфогипса