GB673401A - Improvements in carbon black - Google Patents
Improvements in carbon blackInfo
- Publication number
- GB673401A GB673401A GB4474/50A GB447450A GB673401A GB 673401 A GB673401 A GB 673401A GB 4474/50 A GB4474/50 A GB 4474/50A GB 447450 A GB447450 A GB 447450A GB 673401 A GB673401 A GB 673401A
- Authority
- GB
- United Kingdom
- Prior art keywords
- product
- black
- heated
- cooled
- air
- 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
- C09C1/56—Treatment of carbon black ; Purification
- C09C1/565—Treatment of carbon black ; Purification comprising an oxidative treatment with oxygen, ozone or oxygenated compounds, e.g. when such treatment occurs in a region of the furnace next to the carbon black generating reaction zone
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/19—Oil-absorption capacity, e.g. DBP values
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
Furnace carbon black including lamp-black is heated to a black-heat temperature not lower than 650 DEG F. but below the ignition temperature, say 1100 DEG F. and air or air and steam is passed in contact therewith until 5-75 per cent by weight of the carbon has been burned away, and the product is heated in a non-oxidizing atmosphere to 1800-2000 DEG F. for say 5-30 minutes and cooled out of contact with free oxygen. The product has a pH 8-10, an ABC colour number 95-175, an oil absorption value 11-30 gallons per 100 lbs., an iodine absorption value of 250-350X10-5 equivalents per gram, and a blue tone. The first heating step is carried out as described in Specification 673,400. The second heating may be carried out in a closed refractory, e.g. silica, tube at sub-atmospheric pressure, and the product may be cooled in an inert gas or in vacuum. Specification 667,329 also is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US673401XA | 1949-03-09 | 1949-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB673401A true GB673401A (en) | 1952-06-04 |
Family
ID=22075347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4474/50A Expired GB673401A (en) | 1949-03-09 | 1950-02-21 | Improvements in carbon black |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB673401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973767C (en) * | 1952-07-24 | 1960-06-02 | Godfrey L Cabot | Method and device for changing the surface properties of finely divided, preferably anhydrous solids |
-
1950
- 1950-02-21 GB GB4474/50A patent/GB673401A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973767C (en) * | 1952-07-24 | 1960-06-02 | Godfrey L Cabot | Method and device for changing the surface properties of finely divided, preferably anhydrous solids |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES487553A1 (en) | Dry coke quenching process | |
| GB868301A (en) | Process for making aluminium nitride | |
| GB673401A (en) | Improvements in carbon black | |
| GB673400A (en) | Improvements in carbon black | |
| GB382899A (en) | Improved manufacture of magnesium | |
| GB667329A (en) | Improvements in carbon black | |
| GB727174A (en) | Improvements in and relating to heating apparatus heated by liquid or gaseous fuel | |
| GB677878A (en) | Improvements in the production of magnetic iron oxides | |
| SU142318A1 (en) | Method of obtaining sponge iron | |
| GB418873A (en) | Improvements in the manufacture and production of malleable iron | |
| GB763554A (en) | Process for the treatment of chromized articles | |
| GB500467A (en) | A process for the production of gas black | |
| GB481283A (en) | Improvements in or relating to the production of non-oxidising gases | |
| GB624458A (en) | Method of producing zirconium hydride | |
| GB955323A (en) | Process for the production of furnace black and process gas with a high calorific value | |
| GB241795A (en) | Improvements in and relating to the manufacture of lithopone | |
| GB859271A (en) | Process for the preparation of finely-divided silica | |
| GB905566A (en) | Manufacture of semicrystalline ceramic bodies | |
| GB450450A (en) | Improvements in and relating to the production of carbon black | |
| Miller | Part III. Recent developments in chemistry in the south. XXXII. The thermatomic carbon process | |
| GB418005A (en) | Improvements in or relating to the production of adsorbent cuprene | |
| GB714588A (en) | Method of desulphurizing carbon-coated electrodes | |
| GB353180A (en) | Improvements in or relating to the manufacture of sponge iron | |
| GB227090A (en) | Improvements in the process for the manufacture of the arsenates of the alkaline-earth metals | |
| GB703606A (en) | Improvements in or relating to methods of purifying germanium |