DE3781058D1 - Natrium-kalkstein-doppelalkalirauchgasentschwefelungsverfahren mit kalksteinverwendung. - Google Patents
Natrium-kalkstein-doppelalkalirauchgasentschwefelungsverfahren mit kalksteinverwendung.Info
- Publication number
- DE3781058D1 DE3781058D1 DE8787103964T DE3781058T DE3781058D1 DE 3781058 D1 DE3781058 D1 DE 3781058D1 DE 8787103964 T DE8787103964 T DE 8787103964T DE 3781058 T DE3781058 T DE 3781058T DE 3781058 D1 DE3781058 D1 DE 3781058D1
- Authority
- DE
- Germany
- Prior art keywords
- limestone
- sodium
- thickener
- slurry
- double
- 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
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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/877,820 US4687648A (en) | 1986-06-24 | 1986-06-24 | Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3781058D1 true DE3781058D1 (de) | 1992-09-17 |
DE3781058T2 DE3781058T2 (de) | 1993-02-11 |
Family
ID=25370790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787103964T Expired - Fee Related DE3781058T2 (de) | 1986-06-24 | 1987-03-18 | Natrium-kalkstein-doppelalkalirauchgasentschwefelungsverfahren mit kalksteinverwendung. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4687648A (de) |
EP (1) | EP0253951B1 (de) |
JP (1) | JPS634834A (de) |
CN (1) | CN1009071B (de) |
AT (1) | ATE79299T1 (de) |
CA (1) | CA1261119A (de) |
DE (1) | DE3781058T2 (de) |
ES (1) | ES2004280A6 (de) |
MX (1) | MX166302B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2691041B2 (ja) * | 1990-02-14 | 1997-12-17 | 三菱重工業株式会社 | フライアッシュを含む吸収液スラリーの処理方法 |
SE501523C2 (sv) * | 1993-01-21 | 1995-03-06 | Flaekt Ab | Sätt och anordning vid rening av svaveldioxidinnehållande gaser |
CN1086147C (zh) * | 1999-04-14 | 2002-06-12 | 唐山市新世纪环保设计研究所 | 消烟除尘脱硫烟气净化剂 |
CN1102072C (zh) * | 2000-05-30 | 2003-02-26 | 华南理工大学 | 二氧化硫工业烟气脱除方法 |
CN100390061C (zh) * | 2005-09-02 | 2008-05-28 | 吕国锋 | 一种用工业副产无水硫酸钠制备无水亚硫酸钠的方法 |
CN101874975B (zh) * | 2009-12-14 | 2012-05-23 | 哈尔滨工业大学 | 双碱式半干法烟气脱硫装置及工艺 |
CN111013371A (zh) * | 2019-12-22 | 2020-04-17 | 上海交通大学 | 一种钠碱循环脱硫过程中副产物硫酸钠的处理及再生方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5033988B2 (de) * | 1971-10-05 | 1975-11-05 | ||
JPS5626616B2 (de) * | 1972-09-19 | 1981-06-19 | ||
JPS5545493B2 (de) * | 1972-11-10 | 1980-11-18 | ||
US3961021A (en) * | 1973-09-25 | 1976-06-01 | Kureha Kagaku Kogyo Kabushiki Kaisha | Method for removing sulfur dioxide from combustion exhaust gas |
US3944649A (en) * | 1973-12-13 | 1976-03-16 | Combustion Equipment Associates, Inc. | Multistage process for removing sulfur dioxide from stack gases |
US4331640A (en) * | 1978-06-26 | 1982-05-25 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for removing sulfur dioxide from an exhaust gas containing the same |
US4313924A (en) * | 1979-05-10 | 1982-02-02 | Neptune Airpol, Inc. | Process for removal of sulfur dioxide from gas streams |
US4261962A (en) * | 1979-07-11 | 1981-04-14 | The Foundation At New Jersey Institute Of Technology | Sodium sulfite regeneration method using limestone slurry |
US4388282A (en) * | 1981-12-22 | 1983-06-14 | Research-Cottrell, Inc. | Method for regeneration of sodium sulfite from spent flue gas desulfurization processes |
US4410500A (en) * | 1982-05-10 | 1983-10-18 | Fmc Corporation | Sodium-limestone double alkali flue gas desulfurization method |
US4431618A (en) * | 1982-10-12 | 1984-02-14 | Fmc Corporation | Process control of continuous sodium-limestone flue gas desulfurization system |
US4540556A (en) * | 1983-06-10 | 1985-09-10 | Central Illinois Public Service Company | Dual alkali scrubber liquor regeneration with production of gypsum |
US4462969A (en) * | 1983-06-10 | 1984-07-31 | Central Illinois Public Service Company | Regeneration of sulfur dioxide scrubber liquor |
-
1986
- 1986-06-24 US US06/877,820 patent/US4687648A/en not_active Expired - Fee Related
-
1987
- 1987-03-11 CA CA000531797A patent/CA1261119A/en not_active Expired
- 1987-03-18 DE DE8787103964T patent/DE3781058T2/de not_active Expired - Fee Related
- 1987-03-18 AT AT87103964T patent/ATE79299T1/de not_active IP Right Cessation
- 1987-03-18 EP EP87103964A patent/EP0253951B1/de not_active Expired - Lifetime
- 1987-03-31 CN CN87102506A patent/CN1009071B/zh not_active Expired
- 1987-03-31 JP JP62076531A patent/JPS634834A/ja active Granted
- 1987-04-01 MX MX005850A patent/MX166302B/es unknown
- 1987-04-01 ES ES8700936A patent/ES2004280A6/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0253951B1 (de) | 1992-08-12 |
ATE79299T1 (de) | 1992-08-15 |
EP0253951A3 (en) | 1990-05-23 |
JPS6351731B2 (de) | 1988-10-14 |
CN87102506A (zh) | 1988-01-06 |
ES2004280A6 (es) | 1988-12-16 |
DE3781058T2 (de) | 1993-02-11 |
JPS634834A (ja) | 1988-01-09 |
CN1009071B (zh) | 1990-08-08 |
CA1261119A (en) | 1989-09-26 |
US4687648A (en) | 1987-08-18 |
EP0253951A2 (de) | 1988-01-27 |
MX166302B (es) | 1992-12-25 |
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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 |