GB617969A - Improvements in and relating to the production of salts of substituted dithiocarbamic acids and to the treatment of gaseous, vaporous and liquid materials, particularly hydrocarbon materials containing carbon disulphide - Google Patents
Improvements in and relating to the production of salts of substituted dithiocarbamic acids and to the treatment of gaseous, vaporous and liquid materials, particularly hydrocarbon materials containing carbon disulphideInfo
- Publication number
- GB617969A GB617969A GB3316845A GB3316845A GB617969A GB 617969 A GB617969 A GB 617969A GB 3316845 A GB3316845 A GB 3316845A GB 3316845 A GB3316845 A GB 3316845A GB 617969 A GB617969 A GB 617969A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cyclohexylamine
- amine
- carbon bisulphide
- vaporous
- salt
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
-
- 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
- B01D53/485—Sulfur compounds containing only one sulfur compound other than sulfur oxides or hydrogen sulfide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Carbon bisulphide is removed from liquid, vaporous or gaseous hydrocarbon material containing it by contacting the material with a primary amine of a cyclic paraffin, e.g. cyclohexylamine, or a carbamate thereof to form a salt of the cylic paraffin dithiocarbamic acid, removing the latter and decomposing it with a mineral acid to recover the carbon bisulphide and to obtain the mineral acid salt of the cyclic paraffin amine from which the amine may be recovered. A portion of the amine may be replaced by a strong mineral alkali or a strong organic base such as alphapipecoline. The carbon bisulphide may be recovered by distillation and the amine may be recovered, and the organic base too if present, by separation or by steam distillation. Specifications 467,581, 570,294 and 572,690 are referred to.ALSO:In the removal of carbon bisulphide from liquid, vaporous or gaseous hydrocarbon material containing it (see Group III), the material is contacted with a primary amine of a cyclic paraffin, e.g. cyclohexylamine, or a carbamate thereof to form a salt of the cyclic paraffin dithiocarbamic acid. A proportion of the amine may be replaced by a strong mineral alkali or a strong organic base such as alphapipecoline. Carbon bisulphide reacts with (a) cyclohexylamine to form cyclohexylamine cyclohexyldithiocarbamate, (b) sodium hydroxide and cyclohexylamine to form sodium cyclohexyldithiocarbamate, and (c) pipercoline and cyclohexylamine to form the pipecoline salt of cyclohexyldithiocarbamic acid. Cyclohexylamine cyclohexylcarbamate, which may be used instead of the amine, may be prepared by passing dry carbon dioxide into cyclohexylamine until no more is absorbed. During the reactions with carbon bisulphide, side reactions occur in which a little of the thiourea derivative of the cyclic paraffin is produced, e.g. C6H11NH.CS.NH.C6H11. Specifications 467,581, 570,294 and 572,690 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3316845A GB617969A (en) | 1945-12-07 | 1945-12-07 | Improvements in and relating to the production of salts of substituted dithiocarbamic acids and to the treatment of gaseous, vaporous and liquid materials, particularly hydrocarbon materials containing carbon disulphide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3316845A GB617969A (en) | 1945-12-07 | 1945-12-07 | Improvements in and relating to the production of salts of substituted dithiocarbamic acids and to the treatment of gaseous, vaporous and liquid materials, particularly hydrocarbon materials containing carbon disulphide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB617969A true GB617969A (en) | 1949-02-15 |
Family
ID=10349428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3316845A Expired GB617969A (en) | 1945-12-07 | 1945-12-07 | Improvements in and relating to the production of salts of substituted dithiocarbamic acids and to the treatment of gaseous, vaporous and liquid materials, particularly hydrocarbon materials containing carbon disulphide |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB617969A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053571A1 (en) * | 1980-11-28 | 1982-06-09 | The Goodyear Tire & Rubber Company | Purification of hydrocarbons by treatment with polyamines |
| WO2015026649A1 (en) * | 2013-08-22 | 2015-02-26 | General Electric Company | Use of polyamines as a cs2 scavenger in isoprene production |
| US10774040B1 (en) | 2019-04-29 | 2020-09-15 | Chevron Phillips Chemical Company Lp | Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams |
-
1945
- 1945-12-07 GB GB3316845A patent/GB617969A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053571A1 (en) * | 1980-11-28 | 1982-06-09 | The Goodyear Tire & Rubber Company | Purification of hydrocarbons by treatment with polyamines |
| WO2015026649A1 (en) * | 2013-08-22 | 2015-02-26 | General Electric Company | Use of polyamines as a cs2 scavenger in isoprene production |
| CN105451861A (en) * | 2013-08-22 | 2016-03-30 | 通用电气公司 | Use of polyamines as a cs2 scavenger in isoprene production |
| US9981889B2 (en) | 2013-08-22 | 2018-05-29 | General Electric Company | Use of diethylenetriamine as a CS2 scavenger in isoprene production |
| US10774040B1 (en) | 2019-04-29 | 2020-09-15 | Chevron Phillips Chemical Company Lp | Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams |
| US11845716B2 (en) | 2019-04-29 | 2023-12-19 | Chevron Phillips Chemical Company Lp | Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams |
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