GB884229A - Separation of asphalt-type bituminous materials - Google Patents
Separation of asphalt-type bituminous materialsInfo
- Publication number
- GB884229A GB884229A GB3981157A GB3981157A GB884229A GB 884229 A GB884229 A GB 884229A GB 3981157 A GB3981157 A GB 3981157A GB 3981157 A GB3981157 A GB 3981157A GB 884229 A GB884229 A GB 884229A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solvent
- asphaltines
- fraction
- separated
- density
- 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
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/08—Working-up pitch, asphalt, bitumen by selective extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
An asphaltic material containing asphaltines is separated into at least two fractions, one of which contains the asphaltines and is free from resins and oils, by treating each volume of the material with at least two volumes of a solvent comprising at least one C 4-8 paraffin hydrocarbon, the temperature being at least 175 DEG F. and sufficient to allow a bulk interface its form between a separated asphaltine fraction and the solvent solution of residual materials, the temperature and pressure being adjusted to give a solvent density at least as great as K \sS Mol-wt. (K being between 3,5 and 4,3) but less than that density at which no liquid phase separation of asphaltines occurs, and separating the asphaltine fraction while in the liquid phase. The other fraction can be separated into resins and oils by a similar treatment but at temperatures and pressures relating to a solvent density between 0,23 and K \sS Mol. wt. Preferred solvents are normal and isopentane.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US774597XA | 1953-08-28 | 1953-08-28 | |
| US884229XA | 1956-12-28 | 1956-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB884229A true GB884229A (en) | 1961-12-13 |
Family
ID=33455802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3981157A Expired GB884229A (en) | 1953-08-28 | 1957-12-23 | Separation of asphalt-type bituminous materials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB884229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125459A (en) * | 1977-03-28 | 1978-11-14 | Kerr-Mcgee Refining Corporation | Hydrocarbon solvent treatment of bituminous materials |
-
1957
- 1957-12-23 GB GB3981157A patent/GB884229A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125459A (en) * | 1977-03-28 | 1978-11-14 | Kerr-Mcgee Refining Corporation | Hydrocarbon solvent treatment of bituminous materials |
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