GB547530A - Improvements in the treatment of bitumens, asphalts, tars, pitches and/or mixtures thereof - Google Patents
Improvements in the treatment of bitumens, asphalts, tars, pitches and/or mixtures thereofInfo
- Publication number
- GB547530A GB547530A GB374641A GB374641A GB547530A GB 547530 A GB547530 A GB 547530A GB 374641 A GB374641 A GB 374641A GB 374641 A GB374641 A GB 374641A GB 547530 A GB547530 A GB 547530A
- Authority
- GB
- United Kingdom
- Prior art keywords
- asphalts
- tars
- pitches
- treatment
- pounds
- 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
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
- C10C3/023—Working-up pitch, asphalt, bitumen by chemical means reaction with inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
547,530. Modifying petroleum bitumen. STIRLING, J. F. March 19, 1941, No. 3746. [Class 91] [Also in Groups V and XII] Bituminous materials, e.g. tars, pitches, asphalts or asphalt mastics are hardened &c. by adding in the molten or plastic state one or more metallic and/or oxidizing non-metallic nitrates, which may be acidified with nitric acid. The nitrate, e.g. of copper or zinc may be added as a slow stream of aqueous solution or mixed with an inert material, e.g. sand, limestone, silica, or slate powder. The material may be maintained at 175‹C. or below until foaming has ceased whereupon it may be discharged or may be further heated up to 200‹C. for further hardening. An example specifies 3 to 4 pounds of cupric nitrate in 1¢ to 2 gallons of water added to 200 pounds of a petroleum residual bitumen. The colour of the material may be changed to dark brown by the treatment. According to the Provisional Specification nitric acid may be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB374641A GB547530A (en) | 1941-03-19 | 1941-03-19 | Improvements in the treatment of bitumens, asphalts, tars, pitches and/or mixtures thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB374641A GB547530A (en) | 1941-03-19 | 1941-03-19 | Improvements in the treatment of bitumens, asphalts, tars, pitches and/or mixtures thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB547530A true GB547530A (en) | 1942-09-01 |
Family
ID=9764183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB374641A Expired GB547530A (en) | 1941-03-19 | 1941-03-19 | Improvements in the treatment of bitumens, asphalts, tars, pitches and/or mixtures thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB547530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3130144A (en) * | 1961-09-19 | 1964-04-21 | Sun Oil Co | Chemically treated asphalt |
| FR2453208A1 (en) * | 1979-03-31 | 1980-10-31 | Kureha Chemical Ind Co Ltd | PROCESS FOR THE PREPARATION OF A PIT FROM A TAR |
-
1941
- 1941-03-19 GB GB374641A patent/GB547530A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3130144A (en) * | 1961-09-19 | 1964-04-21 | Sun Oil Co | Chemically treated asphalt |
| FR2453208A1 (en) * | 1979-03-31 | 1980-10-31 | Kureha Chemical Ind Co Ltd | PROCESS FOR THE PREPARATION OF A PIT FROM A TAR |
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