GB733120A - Improvements in or relating to the separation of hydrocarbon gases - Google Patents
Improvements in or relating to the separation of hydrocarbon gasesInfo
- Publication number
- GB733120A GB733120A GB21280/53A GB2128053A GB733120A GB 733120 A GB733120 A GB 733120A GB 21280/53 A GB21280/53 A GB 21280/53A GB 2128053 A GB2128053 A GB 2128053A GB 733120 A GB733120 A GB 733120A
- Authority
- GB
- United Kingdom
- Prior art keywords
- line
- section
- slurry
- tower
- fraction
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
-
- 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"
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
In the separation of a hydrocarbon gas mixture by introducing it at 10 into a tower 11 in which a solid finely-divided adsorbent (e.g. activated carbon) circulates through adsorption, fractionation, and desorption zones, and withdrawing a light fraction through line 20, an intermediate fraction through line 21, and a heavy fraction through line 25, the fractions are passed respectively to scrubbing zones 36, 37, 31 where the condensible vapour, e.g. steam, used for desorption is condensed and solid adsorbent removed forming a slurry in the condensed liquid, and slurries from the scrubbing zones are combined in line 35 and led to the top <PICT:0733120/IV (b)/1> of zone 31. By heating or cooling the combined slurry stream at 57, the adsorbent content of slurry withdrawn through line 56 may be regulated (e.g. to 0.2-0.5 lb. carbon per gallon of slurry) so that it is suitable for return to the bottom of tower 11. A purified fraction containing methane and lighter gas is obtained at 70, ethane and ethylene at 71, and mainly propane and propylene at 72. The tower 11 comprises adsorption section 12, fractionation section 13, desorption section 14, dehydration section 9, cooling coils 27, heating coil 16, and stripping steam inlet 19. The intermediate fraction in line 21 is further fractionated in secondary tower 22 which is supplied with a stream of adsorbent from the main tower. The slurries from the bottom of scrubbers 36, 37 are recirculated by pumping through lines 40, 52 via coolers 42, 43, portions being drawn off for supply to scrubbing zone 31. The heavy hydrocarbon fraction in line 25 contains more steam than the other fractions and this is removed in condensation section 58 above zone 31; condensed water is circulated through line 61 via cooler 63, surplus being withdrawn at 62; alternatively cooling water from an external source may be fed to section 58. In modifications of the process some of the slurry from line 56 or condensate from line 62 may be diverted to scrubbers 36, 37; each of the scrubbers 31, 36, 37 may be replaced by more than one vessel; or a common recycle pump may be used for scrubbers 36, 37. A wetting agent may be added to the scrubbing zones to assist solid removal.ALSO:In the separation of a hydrocarbon gas mixture by introducing it at 10 into a tower 11 in which a solid finely-divided adsorbent (e.g. activated carbon) circulates through adsorption, fractionation, and desorption zones, and withdrawing a light fraction through line 20, an intermediate fraction through line 21, and a heavy fraction through line 25, the fractions are passed respectively to scrubbing zones 36, 37, 31 where the condensible vapour, e.g. steam, used for desorption is condensed and solid adsorbent removed forming a slurry in the condensed liquid, and slurries from the scrubbing zones are combined in line 35 and led to the top of zone 31. By heating or cooling the combined slurry stream at 57, the adsorbent content of slurry withdrawn through line 56 may be regulated (e.g. to 0.2-0.5 lb. carbon per gallon <PICT:0733120/III/1> of slurry) so that it is suitable for return to the bottom of tower 11. A purified fraction containing methane and lighter gas is obtained at 70, ethane and ethylene at 71, and mainly propane and propylene at 72. The tower 11 comprises adsorption section 12, fractionation section 13, desorption section 14, dehydration section 9, cooling coils 27, heating coil 16, and stripping steam inlet 19. The intermediate fraction in line 21 is further fractionated in secondary tower 22 which is supplied with a stream of adsorbent from the main tower. The slurries from the bottom of scrubbers 36, 37 are recirculated by pumping through lines 40, 52 via coolers 42, 43, portions being drawn off for supply to scrubbing zone 31. The heavy hydrocarbon fraction in line 25 contains more steam than the other fractions and this is removed in condensation section 58 above zone 31; condensed water is circulated through line 61 via cooler 63, surplus being withdrawn at 62; alternatively cooling water from an external source may be fed to section 58. In modifications of the process some of the slurry from line 56 or condensate from line 62 may be diverted to scrubbers 36, 37; each of the scrubbers 31, 36, 37 may be replaced by more than one vessel; or a common recycle pump may be used for scrubbers 36, 37. A wetting agent may be added to the scrubbing zones to assist solid removal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US733120XA | 1952-08-30 | 1952-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB733120A true GB733120A (en) | 1955-07-06 |
Family
ID=22112998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21280/53A Expired GB733120A (en) | 1952-08-30 | 1953-07-31 | Improvements in or relating to the separation of hydrocarbon gases |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB733120A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113521789A (en) * | 2021-08-09 | 2021-10-22 | 聊城鲁西聚碳酸酯有限公司 | Device for treating organic steam in polycarbonate production process, method and application thereof |
-
1953
- 1953-07-31 GB GB21280/53A patent/GB733120A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113521789A (en) * | 2021-08-09 | 2021-10-22 | 聊城鲁西聚碳酸酯有限公司 | Device for treating organic steam in polycarbonate production process, method and application thereof |
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