US1658505A - Removal of sulphur and sulphur compounds from hydrocarbon oil - Google Patents
Removal of sulphur and sulphur compounds from hydrocarbon oil Download PDFInfo
- Publication number
- US1658505A US1658505A US726377A US72637724A US1658505A US 1658505 A US1658505 A US 1658505A US 726377 A US726377 A US 726377A US 72637724 A US72637724 A US 72637724A US 1658505 A US1658505 A US 1658505A
- Authority
- US
- United States
- Prior art keywords
- sulphur
- removal
- solution
- oils
- oil
- 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 - Lifetime
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title description 6
- 239000004215 Carbon black (E152) Substances 0.000 title description 3
- 239000005864 Sulphur Substances 0.000 title description 3
- 229930195733 hydrocarbon Natural products 0.000 title description 3
- 150000002430 hydrocarbons Chemical class 0.000 title description 3
- 239000003921 oil Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000001476 alcoholic effect Effects 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 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
- C10G19/02—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions
- C10G19/06—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions with plumbites or plumbates
Definitions
- the present invention relates to the removal of'sulphur and sulphur compounds from hydrocarbon oil, and particularly the lighter oils, such as gasoline, naphtha, burn- 6 ing oils, and the like. It has to do more particularly with the treatment of those oils which, after sweetening with the usual sodium plumbite or doctor solution, or rerunning are found to again become sour;
- the present invention has for its sub'ect a the complete removal of sul hur and sulp ur compounds from hydrocar on oils particularly of the type hereinbefore referred to, which, when treated with aqueous doctor solution, again becomes sour on rerunning.
- the oils to be sweetened are treated with an alcoholic solution of sodium hydroxide saturated with litharge. It' is preferred that the strength of alcohol in the solution be in excess of as and preferably from 7 5 to 90% in strength.
- tor solution is then employed in the same manner as aqueous solutions of plumbite are now employed.
- the oil may be treated first with an aqueous doctor solution, and subsequently treated with the alco- 45 holic plumbite solution, an appreciable economy in the loss of alcohol being thereby effected.
- the alcoholic plumbite solution may be used on the oil in proportions of 1 part ofthe plumbite solution to 15 to '50 parts by on volume of the oil.
- oils which, after treatment with aqueous doctor solution alone, becomes sour on rerunning or redistillation remain sweet.
- the alcoholic plumbite solution removed from the oil in addition to the sulphur compounds removed by aqueous doctor solution, those which remain in the oil and break down on 'redistillation with the formation of compounds imparting sourness to the oil.
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)
Description
Patented Feb. 7, 1928.
UNITED STATES PATENT "OFFICE.
GERALD L. WENDT, OF CHICAGO, ILLINOIS, ASSIGNOE '10 STANDARD OIL COMPANY, OF WRITING, INDIANA, A. CORPORATION 01 INDIANA.
REMOVAL OI SULPHUR AND SULPHUR Ho Drawing.
The present invention relates to the removal of'sulphur and sulphur compounds from hydrocarbon oil, and particularly the lighter oils, such as gasoline, naphtha, burn- 6 ing oils, and the like. It has to do more particularly with the treatment of those oils which, after sweetening with the usual sodium plumbite or doctor solution, or rerunning are found to again become sour;
10 that is, indicate by doctor and corrosiontests the presence of sulphur compounds.
In refinery practice,'many distillate oils are sweetened, or treated with aqueous sodi-v um plumbite (doctor) solution (with or without added sulphur) and are subsequently redistilled; With many of these oils it is found that the redistilled oils show the presence of hydrogen sulphide, and are again sour-7. A particularly important example of such oil is found in pressure distillate, the distillate from oils cracked under pressure for the formation of lighter oils, such as gasoline.
The present invention has for its sub'ect a the complete removal of sul hur and sulp ur compounds from hydrocar on oils particularly of the type hereinbefore referred to, which, when treated with aqueous doctor solution, again becomes sour on rerunning.
In accordance with this invention, the oils to be sweetened are treated with an alcoholic solution of sodium hydroxide saturated with litharge. It' is preferred that the strength of alcohol in the solution be in excess of as and preferably from 7 5 to 90% in strength.
In. preparing the alcoholic plumbite or doctor solution, an alcoholic solution of sodium hydroxide containing from 5 to 20% of sodium hydroxide is repared, and 0.1 to 1% 1' of litharge. The acoholic plumbite or doc- Application filed July 18,
tor solution is then employed in the same manner as aqueous solutions of plumbite are now employed. If desired, the oil may be treated first with an aqueous doctor solution, and subsequently treated with the alco- 45 holic plumbite solution, an appreciable economy in the loss of alcohol being thereby effected. The alcoholic plumbite solution may be used on the oil in proportions of 1 part ofthe plumbite solution to 15 to '50 parts by on volume of the oil.
By treating the oil in accordance with the present invention, it is found that oils which, after treatment with aqueous doctor solution alone, becomes sour on rerunning or redistillation, remain sweet. In other words, the alcoholic plumbite solution removed from the oil, in addition to the sulphur compounds removed by aqueous doctor solution, those which remain in the oil and break down on 'redistillation with the formation of compounds imparting sourness to the oil.
I claim:
1. The method of refining hydrocarbon oils for the removal of sulphur therefrom e5 comprising subjecting the oils to the action gf an alcoholic solution of sodium plumite.
2. The method of refinin hydrocarbon oil distillates comprising was ing a hydrobite.
GERALD L. WENDT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US726377A US1658505A (en) | 1924-07-16 | 1924-07-16 | Removal of sulphur and sulphur compounds from hydrocarbon oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US726377A US1658505A (en) | 1924-07-16 | 1924-07-16 | Removal of sulphur and sulphur compounds from hydrocarbon oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1658505A true US1658505A (en) | 1928-02-07 |
Family
ID=24918361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US726377A Expired - Lifetime US1658505A (en) | 1924-07-16 | 1924-07-16 | Removal of sulphur and sulphur compounds from hydrocarbon oil |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1658505A (en) |
-
1924
- 1924-07-16 US US726377A patent/US1658505A/en not_active Expired - Lifetime
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