GB1441293A - Process of purifying waste gases - Google Patents
Process of purifying waste gasesInfo
- Publication number
- GB1441293A GB1441293A GB4439873A GB4439873A GB1441293A GB 1441293 A GB1441293 A GB 1441293A GB 4439873 A GB4439873 A GB 4439873A GB 4439873 A GB4439873 A GB 4439873A GB 1441293 A GB1441293 A GB 1441293A
- Authority
- GB
- United Kingdom
- Prior art keywords
- absorbent
- waste gas
- separating vessel
- fluidized bed
- separating
- 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
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
- B01D53/68—Halogens or halogen compounds
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/06—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
- B01D53/12—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents according to the "fluidised technique"
-
- 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
- B01D2251/602—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/202—Single element halogens
- B01D2257/2027—Fluorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
1441293 Purifying waste gases FRIED KRUPP GmbH 21 Sept 1973 [23 Sept 1972] 44398/73 Heading B1L In a process of purifying waste gas by separating harmful gaseous constituents contained in the waste gas by reaction with a grannular absorbent ina fluidised bed, the waste gas is -passed after addition to it of the granular absorbent, into the apex of a downwardly tapering conical separating vessel in which the fluidized bed is formed, the absorbent is separated from waste gas leaving the separating vessel and is tested for residual reactivity and is either recycled to the conical separating vessel or rejected as spent in dependence on said test. Waste gas containing harmful constituents e.g. fluorine sulphur dioxide or hydrogen chloride is forced by a blower 1 into a pipe 2 to which absorbent is fed from a hopper 4 by a distributor 3. The waste gas with the entrained absorbent enters the apex of a downwardly tapering conical separating vessel 5 in which a fluidized bed forms. A second similar but larger separating vessel 6 is in series with the vessel 5 and the fluidized bed therein is of finer particles. The waste gas and particles of absorbent pass into a cyclone 7. The residual reactivity of the absorbent is tested by a sampling technique involving e.g. measurement of temperature and/or conductivity or, where appropriate, CaO content. Depending on the test, the absorbent is either returned to the hopper or rejected through outlet 10. Two series connected separating vessels 12, 13 may, as shown, be connected in parallel with the vessels 5, 6. Water can be injected at 15 to increase the moisture content of the waste gas. Each separating vessel may have, in its outlet, a centrally disposed vertically movable tube to control the amount of absorbent in the fluidized bed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722246806 DE2246806C2 (en) | 1972-09-23 | 1972-09-23 | Process for cleaning exhaust gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1441293A true GB1441293A (en) | 1976-06-30 |
Family
ID=5857208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4439873A Expired GB1441293A (en) | 1972-09-23 | 1973-09-21 | Process of purifying waste gases |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE804974A (en) |
| CH (1) | CH577337A5 (en) |
| DE (1) | DE2246806C2 (en) |
| ES (1) | ES418893A1 (en) |
| FR (1) | FR2200042B1 (en) |
| GB (1) | GB1441293A (en) |
| IT (1) | IT995413B (en) |
| LU (1) | LU68460A1 (en) |
| NL (1) | NL179456C (en) |
| SE (1) | SE401461B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2671625A2 (en) * | 2012-06-08 | 2013-12-11 | Alstom Technology Ltd | Compact exhaust gas treatment system for aluminium production plant |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2615828A1 (en) * | 1976-04-10 | 1977-10-13 | Heinz Hoelter | Gas purificn. by addn. of absorbent - in series of stages with sepn. and recycling of absorbent after each stage |
| DE2702693C3 (en) * | 1977-01-24 | 1982-02-04 | Fried. Krupp Gmbh, 4300 Essen | Device for carrying out chemical and / or physical processes |
| AT400004B (en) * | 1994-03-29 | 1995-09-25 | Austrian Energy & Environment | Flue-gas desulfurization installation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1442782A1 (en) * | 1964-01-31 | 1969-03-20 | Miag Muehlenbau & Ind Gmbh | Process for the continuous treatment of grain and / or dust by means of steam and / or gas |
| DE2056096B2 (en) * | 1970-11-14 | 1978-09-28 | Metallgesellschaft Ag, 6000 Frankfurt | Process for the separation of hydrogen fluoride from gases |
-
1972
- 1972-09-23 DE DE19722246806 patent/DE2246806C2/en not_active Expired
-
1973
- 1973-09-11 NL NL7312519A patent/NL179456C/en not_active IP Right Cessation
- 1973-09-12 SE SE7312419A patent/SE401461B/en unknown
- 1973-09-17 CH CH1331973A patent/CH577337A5/xx not_active IP Right Cessation
- 1973-09-18 IT IT2899073A patent/IT995413B/en active
- 1973-09-18 BE BE135752A patent/BE804974A/en not_active IP Right Cessation
- 1973-09-19 ES ES418893A patent/ES418893A1/en not_active Expired
- 1973-09-20 LU LU68460D patent/LU68460A1/xx unknown
- 1973-09-20 FR FR7333742A patent/FR2200042B1/fr not_active Expired
- 1973-09-21 GB GB4439873A patent/GB1441293A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2671625A2 (en) * | 2012-06-08 | 2013-12-11 | Alstom Technology Ltd | Compact exhaust gas treatment system for aluminium production plant |
| EP2671625A3 (en) * | 2012-06-08 | 2014-09-24 | Alstom Technology Ltd | Compact exhaust gas treatment system for aluminium production plant |
| US8920540B2 (en) | 2012-06-08 | 2014-12-30 | Alstom Technology Ltd | Compact air quality control system compartment for aluminium production plant |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2246806A1 (en) | 1974-03-28 |
| ES418893A1 (en) | 1976-07-01 |
| NL7312519A (en) | 1974-03-26 |
| NL179456B (en) | 1986-04-16 |
| FR2200042A1 (en) | 1974-04-19 |
| DE2246806C2 (en) | 1984-03-08 |
| IT995413B (en) | 1975-11-10 |
| LU68460A1 (en) | 1973-11-26 |
| SE401461B (en) | 1978-05-16 |
| FR2200042B1 (en) | 1977-05-27 |
| BE804974A (en) | 1974-01-16 |
| NL179456C (en) | 1986-09-16 |
| CH577337A5 (en) | 1976-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |