CA1261119A - Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization - Google Patents

Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization

Info

Publication number
CA1261119A
CA1261119A CA000531797A CA531797A CA1261119A CA 1261119 A CA1261119 A CA 1261119A CA 000531797 A CA000531797 A CA 000531797A CA 531797 A CA531797 A CA 531797A CA 1261119 A CA1261119 A CA 1261119A
Authority
CA
Canada
Prior art keywords
limestone
regeneration
circuit
reactor
solids
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
Application number
CA000531797A
Other languages
English (en)
French (fr)
Inventor
Kuei-Hsiung Wang
Willard L. Boward, Jr.
Robert J. Biolchini
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.)
Ontario Hydro
Original Assignee
Ontario Hydro
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
Application filed by Ontario Hydro filed Critical Ontario Hydro
Application granted granted Critical
Publication of CA1261119A publication Critical patent/CA1261119A/en
Expired legal-status Critical Current

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)
CA000531797A 1986-06-24 1987-03-11 Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization Expired CA1261119A (en)

Applications Claiming Priority (2)

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
US877,820 1986-06-24

Publications (1)

Publication Number Publication Date
CA1261119A true CA1261119A (en) 1989-09-26

Family

ID=25370790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000531797A Expired CA1261119A (en) 1986-06-24 1987-03-11 Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization

Country Status (9)

Country Link
US (1) US4687648A (show.php)
EP (1) EP0253951B1 (show.php)
JP (1) JPS634834A (show.php)
CN (1) CN1009071B (show.php)
AT (1) ATE79299T1 (show.php)
CA (1) CA1261119A (show.php)
DE (1) DE3781058T2 (show.php)
ES (1) ES2004280A6 (show.php)
MX (1) MX166302B (show.php)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
CN118788117B (zh) * 2024-06-17 2025-05-13 北京中科润宇环保科技股份有限公司 多污染物烟气净化装置及控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033988B2 (show.php) * 1971-10-05 1975-11-05
JPS5626616B2 (show.php) * 1972-09-19 1981-06-19
JPS5545493B2 (show.php) * 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
US4462969A (en) * 1983-06-10 1984-07-31 Central Illinois Public Service Company Regeneration of sulfur dioxide scrubber liquor
US4540556A (en) * 1983-06-10 1985-09-10 Central Illinois Public Service Company Dual alkali scrubber liquor regeneration with production of gypsum

Also Published As

Publication number Publication date
US4687648A (en) 1987-08-18
CN87102506A (zh) 1988-01-06
JPS634834A (ja) 1988-01-09
EP0253951A2 (en) 1988-01-27
ES2004280A6 (es) 1988-12-16
JPS6351731B2 (show.php) 1988-10-14
EP0253951B1 (en) 1992-08-12
EP0253951A3 (en) 1990-05-23
CN1009071B (zh) 1990-08-08
ATE79299T1 (de) 1992-08-15
MX166302B (es) 1992-12-25
DE3781058T2 (de) 1993-02-11
DE3781058D1 (de) 1992-09-17

Similar Documents

Publication Publication Date Title
EP0339683B1 (en) Process for desulphurisation of a sulphur dioxide-containing gas stream
US4452766A (en) Double alkali process for removal of sulfur dioxide from gas streams
US5084255A (en) Sulfur dioxide removal process with gypsum and magnesium hydroxide production
US3944649A (en) Multistage process for removing sulfur dioxide from stack gases
KR100487144B1 (ko) 연소 배기 가스의 처리 방법 및 처리 장치
CA1261119A (en) Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization
US5645807A (en) Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
CN1143535A (zh) 废气脱硫法
US4231995A (en) Ammonia double-alkali process for removing sulfur oxides from stack gases
US5558848A (en) Clear liquid acid flue gas desulfurization system
EP0095612B1 (en) Sodium-limestone double alkali flue gas desulfurization method
US4331640A (en) Process for removing sulfur dioxide from an exhaust gas containing the same
EP0484637A1 (en) Sulfur dioxide removal from gases using a modified lime
US4021202A (en) Apparatus for removing sulfur dioxide from stack gases
US5614158A (en) Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide
CA1290550C (en) Method for removing and recovering sulphur in elemental form fromgases containing sulphur dioxide or sulphur dioxide and hydrogen sulphide
US4388282A (en) Method for regeneration of sodium sulfite from spent flue gas desulfurization processes
US4313924A (en) Process for removal of sulfur dioxide from gas streams
JPS62225226A (ja) 湿式排煙脱硫装置
EP0775515A1 (en) Sulphur dioxide scrubbing
JPS60166085A (ja) 排煙脱硫廃水の処理方法
JPS60197224A (ja) 湿式排煙脱硫方法
JP3532028B2 (ja) 排ガス脱硫方法
JPS6078622A (ja) 排煙脱硫法
JPH0239543Y2 (show.php)

Legal Events

Date Code Title Description
MKEX Expiry