GB798576A - Method for chlorine recovery - Google Patents
Method for chlorine recoveryInfo
- Publication number
- GB798576A GB798576A GB4044/56A GB404456A GB798576A GB 798576 A GB798576 A GB 798576A GB 4044/56 A GB4044/56 A GB 4044/56A GB 404456 A GB404456 A GB 404456A GB 798576 A GB798576 A GB 798576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chlorine
- water
- gases
- pressure
- gas
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Abstract
<PICT:0798576/III/1> Chlorine gas is separated from gas mixtures of chlorine and carbon dioxide by passing the mixture into contact with water between 10 DEG and 100 DEG C. and maintaining the pressure of the carbon dioxide in the absorption system below 1.5 atmospheres absolute; absorbing into water at a super-atmospheric pressure the chlorine gas; withdrawing said water from the absorption system and desorbing the chlorine used from the chlorine-water solution by reducing the pressure thereon. The chlorine-water solution which has been desorbed by flashing may be recycled to the chlorine absorption system. The method which is particularly useful in the recovery of chlorine gases from chlorine-liquefier vent gases produced in commercial electrolytic chlor-alkali plants is illustrated by the flow sheet shown in the Figure. Gases are exhausted from a chlorine drying compression and liquefaction system 1 and introduced into a packed absorption tower 4 which is maintained at a pressure equal to or slightly less than the pressure of system 1, the chlorine in the vent gases is absorbed by the water, and the carbon monoxide and other non-absorbed gases which may be contained in the gas mixture are lead to the outlet line 8; the water, substantially saturated with chlorine gas, passes out of the absorption tower 4 and into the direct contact cooler section 9. This tower has a lower steam-stripping section 13 which in this embodiment comprises two superposed communicating sections 9 and 13, however these may be separated. The cell gases leave the tower through line 12 while the water after stream stripping leaves through line 16 and may be re-cycled.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US394029A US2750002A (en) | 1953-11-24 | 1953-11-24 | Method for chlorine recovery |
| GB4044/56A GB798576A (en) | 1956-02-09 | 1956-02-09 | Method for chlorine recovery |
| FR1147125D FR1147125A (en) | 1956-02-09 | 1956-02-23 | Chlorine recovery process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4044/56A GB798576A (en) | 1956-02-09 | 1956-02-09 | Method for chlorine recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB798576A true GB798576A (en) | 1958-07-23 |
Family
ID=9769687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4044/56A Expired GB798576A (en) | 1953-11-24 | 1956-02-09 | Method for chlorine recovery |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1147125A (en) |
| GB (1) | GB798576A (en) |
-
1956
- 1956-02-09 GB GB4044/56A patent/GB798576A/en not_active Expired
- 1956-02-23 FR FR1147125D patent/FR1147125A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1147125A (en) | 1957-11-19 |
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