GB1435805A - Removal of sulphur dioxide from waste gases - Google Patents

Removal of sulphur dioxide from waste gases

Info

Publication number
GB1435805A
GB1435805A GB3546173A GB3546173A GB1435805A GB 1435805 A GB1435805 A GB 1435805A GB 3546173 A GB3546173 A GB 3546173A GB 3546173 A GB3546173 A GB 3546173A GB 1435805 A GB1435805 A GB 1435805A
Authority
GB
United Kingdom
Prior art keywords
naoh
added
oxidized
make
sulphate
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
GB3546173A
Other languages
English (en)
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of GB1435805A publication Critical patent/GB1435805A/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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB3546173A 1972-07-27 1973-07-25 Removal of sulphur dioxide from waste gases Expired GB1435805A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US275662A US3870781A (en) 1972-07-27 1972-07-27 Air pollution control system

Publications (1)

Publication Number Publication Date
GB1435805A true GB1435805A (en) 1976-05-19

Family

ID=23053322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3546173A Expired GB1435805A (en) 1972-07-27 1973-07-25 Removal of sulphur dioxide from waste gases

Country Status (7)

Country Link
US (1) US3870781A (US08088918-20120103-C00476.png)
JP (1) JPS4958081A (US08088918-20120103-C00476.png)
CA (1) CA988681A (US08088918-20120103-C00476.png)
DE (1) DE2336201A1 (US08088918-20120103-C00476.png)
ES (1) ES417210A1 (US08088918-20120103-C00476.png)
FR (1) FR2194643B3 (US08088918-20120103-C00476.png)
GB (1) GB1435805A (US08088918-20120103-C00476.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989464A (en) * 1973-04-23 1976-11-02 Envirotech Corporation Sulfur dioxide scrubbing system
US4452766A (en) * 1982-08-30 1984-06-05 Airpol, Inc. Double alkali process for removal of sulfur dioxide from gas streams
EP2775112B2 (en) 2013-03-08 2023-02-15 Alfa Laval Corporate AB Cleaning system and method for reduction of SOx in exhaust gases

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1271899A (en) * 1917-05-12 1918-07-09 Henry Howard Method of recovering sulfur dioxid from furnace-gases.
US2161056A (en) * 1937-03-24 1939-06-06 Commw Edison Co Process for recovering sulphur dioxide from waste gases

Also Published As

Publication number Publication date
DE2336201A1 (de) 1974-03-21
JPS4958081A (US08088918-20120103-C00476.png) 1974-06-05
FR2194643B3 (US08088918-20120103-C00476.png) 1976-07-09
CA988681A (en) 1976-05-11
ES417210A1 (es) 1976-02-16
FR2194643A1 (US08088918-20120103-C00476.png) 1974-03-01
US3870781A (en) 1975-03-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee