GB809802A - Improvements in continuous thermal process of making carbon black - Google Patents
Improvements in continuous thermal process of making carbon blackInfo
- Publication number
- GB809802A GB809802A GB2788456A GB2788456A GB809802A GB 809802 A GB809802 A GB 809802A GB 2788456 A GB2788456 A GB 2788456A GB 2788456 A GB2788456 A GB 2788456A GB 809802 A GB809802 A GB 809802A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carbon black
- hydrogen
- hydrocarbon
- heated
- preheated
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/54—Acetylene black; thermal black ; Preparation thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
Carbon black is obtained by the thermal dissociation of gaseous hydrocarbons in a continuous process by passing the hydrocarbon into an unobstructed heat-insulated reaction zone, into which hydrogen heated to above the dissociation temperature of the hydrocarbon is simultaneously introduced. The hydrogen produced in the process is preferably employed, and should be heated to at least 2400 DEG F. The products are cooled and the carbon black is recovered in a suitable collector. In the Figure, hydrocarbon gas is preheated, preferably to 1500-1800 DEG F., by passing through a preheater 12, before entering the reaction chamber 10 via duct 14. Hydrogen enters via duct 16 from the pebble heater 34, where it is heated <PICT:0809802/III/1> to 3000-4500 DEG F. The pebble heater 34 may be heated by burning hydrogen from the process, and the air required for the combustion may be preheated in the recuperator 20, through which the products of the process pass before being cooled in cooling section 18 prior to separating the carbon black in cyclones 22 and bag filter 25. The type of carbon black obtained may be altered by diluting the hydrocarbon gas with an inert gas, by altering the proportions of hydrogen and hydrocarbon and their temperatures, and by varying the degree of their mixing in the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2788456A GB809802A (en) | 1956-09-12 | 1956-09-12 | Improvements in continuous thermal process of making carbon black |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2788456A GB809802A (en) | 1956-09-12 | 1956-09-12 | Improvements in continuous thermal process of making carbon black |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB809802A true GB809802A (en) | 1959-03-04 |
Family
ID=10266843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2788456A Expired GB809802A (en) | 1956-09-12 | 1956-09-12 | Improvements in continuous thermal process of making carbon black |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB809802A (en) |
-
1956
- 1956-09-12 GB GB2788456A patent/GB809802A/en not_active Expired
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