GB495323A - Method of preparing hydrocarbons soluble in sulphuric acid - Google Patents
Method of preparing hydrocarbons soluble in sulphuric acidInfo
- Publication number
- GB495323A GB495323A GB13268/37A GB1326837A GB495323A GB 495323 A GB495323 A GB 495323A GB 13268/37 A GB13268/37 A GB 13268/37A GB 1326837 A GB1326837 A GB 1326837A GB 495323 A GB495323 A GB 495323A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- sulphate
- water
- solution
- organic
- 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
- C10G17/00—Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge
- C10G17/10—Recovery of used refining agents
Abstract
Acid tars from the refining of mineral oils are treated in the liquid phase at elevated temperature with an amount of a neutralizing agent which is equivalent to the free and combined sulphuric acid present, and the purified organic reaction product which is liberated is removed after allowing the mixture to separate into layers. In examples: (1) centrifuged acid tar from lubricating oil is heated with burnt magnesite and water, and after standing, the aqueous magnesium sulphate solution separated from the organic residue; (2) uncentrifuged acid tar from spindle oil is heated with caustic soda solution after a preliminary treatment with water to separate the acid tar from spindle oil; alkali sulphate solution is removed and the organic product washed with dilute sulphuric acid and water prior to being distilled in vacuo over copper oxide; (3) acid tar is heated under pressure with calcium oxide and water in the presence of iron sulphate. Acetone is added, the sulphate layer separated and the solvent removed from the solution of the organic product. Steam may be used to distil the product and copper sulphate may be used to assist the treatment of the acid tars.ALSO:Acid tars from the refining of mineral oil are treated in the liquid phase at elevated temperature with an amount of a neutralizing agent which is equivalent to the free and combined sulphuric acid present, and the liberated organic reaction product is removed after the mixture has separated into layers. In examples: (1) centrifuged acid tar from lubricating oil is heated with burnt magnesite and water and after standing, the aqueous magnesium sulphate solution separated from the organic residue; (2) uncentrifuged acid tar from spindle oil is heated with caustic soda solution after a preliminary treatment with water to separate the acid tar from spindle oil; alkali sulphate solution is removed and the organic product washed with dilute sulphuric acid and water prior to being distilled in vacuo over copper oxide; (3) acid tar is heated under pressure with calcium oxide and water in the presence of iron sulphate. Acetone is added, the sulphate layer removed and the solvent removed from the solution of organic product. Steam may be used to distil the product and copper sulphate may be used to assist the treatment of the acid tars. Specification 419,372, [Group III], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT495323X | 1936-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB495323A true GB495323A (en) | 1938-11-10 |
Family
ID=3675216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13268/37A Expired GB495323A (en) | 1936-06-26 | 1937-05-10 | Method of preparing hydrocarbons soluble in sulphuric acid |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB495323A (en) |
-
1937
- 1937-05-10 GB GB13268/37A patent/GB495323A/en not_active Expired
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