FR2355549A1 - Removing sulphur oxides from waste flue gas - using activated, alkali-free aluminium which can be repeatedly regenerated - Google Patents

Removing sulphur oxides from waste flue gas - using activated, alkali-free aluminium which can be repeatedly regenerated

Info

Publication number
FR2355549A1
FR2355549A1 FR7531162A FR7531162A FR2355549A1 FR 2355549 A1 FR2355549 A1 FR 2355549A1 FR 7531162 A FR7531162 A FR 7531162A FR 7531162 A FR7531162 A FR 7531162A FR 2355549 A1 FR2355549 A1 FR 2355549A1
Authority
FR
France
Prior art keywords
absorbent
alkali
activated
flue gas
sulphur oxides
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.)
Granted
Application number
FR7531162A
Other languages
French (fr)
Other versions
FR2355549B1 (en
Inventor
Robert Voirin
Pierre Mathieu
Claude Chambu
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.)
Societe National Elf Aquitaine
Societe Nationale Elf Aquitaine Production SA
Original Assignee
Societe National Elf Aquitaine
Societe Nationale Elf Aquitaine Production SA
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 Societe National Elf Aquitaine, Societe Nationale Elf Aquitaine Production SA filed Critical Societe National Elf Aquitaine
Priority to FR7531162A priority Critical patent/FR2355549A1/en
Priority to CA263,034A priority patent/CA1106151A/en
Priority to IT7628175A priority patent/IT1068546B/en
Priority to DE19762645874 priority patent/DE2645874A1/en
Priority to GB42170/76A priority patent/GB1525770A/en
Priority to US05/731,654 priority patent/US4283380A/en
Priority to JP51121357A priority patent/JPS5263172A/en
Publication of FR2355549A1 publication Critical patent/FR2355549A1/en
Application granted granted Critical
Publication of FR2355549B1 publication Critical patent/FR2355549B1/fr
Granted 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
    • B01D53/14—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 by absorption
    • B01D53/1418—Recovery of products
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1481—Removing sulfur dioxide or sulfur trioxide
    • 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
    • B01D53/508—Sulfur oxides by treating the gases with solids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The absorption occurs at 100-400 degrees C to form sulphates on the absorbent. The absorbent is then heated to 250-450 degrees C with a redn. gas, esp. gases contg. H2S, to produce elementary sulphur which is sepd. from the absorbent. The absorbent is then re-used. The Al pref. has a specific surface above 50 m2/g, esp. between 150-500 m2/g; for fluidised beds the Al has size 50-100 mu m, and for solids beds 0.5-10 mm. The Al may contain numerous other elements, esp. Fe and Ti arising from bauxite. In an example, waste gas from a 125 MW power station contg. 2000 ppm. So2 is treated to reduce SO2 concn. to 212 ppm.
FR7531162A 1975-10-10 1975-10-10 Removing sulphur oxides from waste flue gas - using activated, alkali-free aluminium which can be repeatedly regenerated Granted FR2355549A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7531162A FR2355549A1 (en) 1975-10-10 1975-10-10 Removing sulphur oxides from waste flue gas - using activated, alkali-free aluminium which can be repeatedly regenerated
CA263,034A CA1106151A (en) 1975-10-10 1976-10-08 Desulfurization process for so.sub.2 containing gas
IT7628175A IT1068546B (en) 1975-10-10 1976-10-11 DESULFURATION OF GASES CONTAINING SULFUR DIOXIDE
DE19762645874 DE2645874A1 (en) 1975-10-10 1976-10-11 PROCESS FOR DESULFURIZING SO LOW 2 AND SO LOW 3 GASES
GB42170/76A GB1525770A (en) 1975-10-10 1976-10-11 Process and installation for desulphurising gases containing so2
US05/731,654 US4283380A (en) 1975-10-10 1976-10-12 Process and installation for desulphurizing gases containing SO2
JP51121357A JPS5263172A (en) 1975-10-10 1976-10-12 Method and apparatus for desulfurizing gas containing sulfur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7531162A FR2355549A1 (en) 1975-10-10 1975-10-10 Removing sulphur oxides from waste flue gas - using activated, alkali-free aluminium which can be repeatedly regenerated

Publications (2)

Publication Number Publication Date
FR2355549A1 true FR2355549A1 (en) 1978-01-20
FR2355549B1 FR2355549B1 (en) 1980-03-28

Family

ID=9161084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7531162A Granted FR2355549A1 (en) 1975-10-10 1975-10-10 Removing sulphur oxides from waste flue gas - using activated, alkali-free aluminium which can be repeatedly regenerated

Country Status (1)

Country Link
FR (1) FR2355549A1 (en)

Also Published As

Publication number Publication date
FR2355549B1 (en) 1980-03-28

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