GB590635A - Improvements in and relating to the refining of oils - Google Patents
Improvements in and relating to the refining of oilsInfo
- Publication number
- GB590635A GB590635A GB3175239A GB3175239A GB590635A GB 590635 A GB590635 A GB 590635A GB 3175239 A GB3175239 A GB 3175239A GB 3175239 A GB3175239 A GB 3175239A GB 590635 A GB590635 A GB 590635A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oil
- per cent
- caustic alkali
- oils
- caustic
- 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
- 239000003921 oil Substances 0.000 title abstract 13
- 238000007670 refining Methods 0.000 title abstract 3
- 239000003518 caustics Substances 0.000 abstract 6
- 239000003513 alkali Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 238000005406 washing Methods 0.000 abstract 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N Hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 2
- 230000032683 aging Effects 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 2
- 239000003208 petroleum Substances 0.000 abstract 2
- 239000010802 sludge Substances 0.000 abstract 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 abstract 1
- 229940108066 Coal Tar Drugs 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000003763 carbonization Methods 0.000 abstract 1
- 239000011280 coal tar Substances 0.000 abstract 1
- 238000010908 decantation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- 230000002269 spontaneous Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The tendency for normally refined coal tar oils, e.g., low temperature carbonization diesel oils, alone or blended with petroleum oils, e.g. gas oils, to precipitate sludge on storage, is reduced by washing the normally refined oil (or a blend thereof with a petroleum oil) under controlled agitation with a concentrated solution of caustic alkali, e.g., 2 per cent. to 3 per cent. of 15 per cent. to 25 per cent. caustic soda solution, the oil and caustic alkali being left undisturbed for a determined minimum period (such as 24 hours) over caustic alkali for the settlement of the sludge and traces of caustic alkali in suspension before decantation of the treated oil. The final caustic wash may be effected before distillation or in the absence of distillation and the oil, if freshly distilled, may be subjected to oxidation or heating over an extended period after the usual refining treatment, but before the final washing treatment with caustic alkali, for the purpose of ageing the oil. This ageing process may be carried out by storing the oil for several weeks exposed to the atmosphere, by air blowing the oil at 35-100 DEG C. for a period up to 48 hours, or washing with, for example, 30 per cent. of 1.0 per cent. hypochlorite. The refining process described improves the colour, raises the cetene number, lowers the spontaneous ignition temperature and increases the rate of filtration of the oil. A large number of examples of the process are given.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB590635A true GB590635A (en) | 1947-07-24 |
Family
ID=1742699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3175239A Expired GB590635A (en) | 1939-12-07 | Improvements in and relating to the refining of oils |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB590635A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2650188A (en) * | 1949-11-01 | 1953-08-25 | Sun Oil Co | Preparation of lubricating oil |
| EP4151704A1 (en) * | 2021-09-17 | 2023-03-22 | OMV Downstream GmbH | Method for the purification of a flow of synthetic crude oil |
-
1939
- 1939-12-07 GB GB3175239A patent/GB590635A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2650188A (en) * | 1949-11-01 | 1953-08-25 | Sun Oil Co | Preparation of lubricating oil |
| EP4151704A1 (en) * | 2021-09-17 | 2023-03-22 | OMV Downstream GmbH | Method for the purification of a flow of synthetic crude oil |
| WO2023041680A1 (en) | 2021-09-17 | 2023-03-23 | OMV Downstream GmbH | Process for purifying a synthetic crude oil stream |
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