GB179108A - Improved process for the manufacture of active wood charcoal - Google Patents
Improved process for the manufacture of active wood charcoalInfo
- Publication number
- GB179108A GB179108A GB22514/21A GB2251421A GB179108A GB 179108 A GB179108 A GB 179108A GB 22514/21 A GB22514/21 A GB 22514/21A GB 2251421 A GB2251421 A GB 2251421A GB 179108 A GB179108 A GB 179108A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wood charcoal
- manufacture
- improved process
- alkali
- active wood
- 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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
- C01B32/348—Metallic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
179,108. Carpmael, W. (Chemiche Fabrik auf Action vorm. E. Schering). Aug. 24, 1921. Carbon.-Consists in subjecting wood charcoal to a partial vacuum, impregnating with alkali, caustic or carbonated, heating to a high temperature such as a bright red heat and extracting the alkali. In an example, wood charcoal is subjected for half an hour at 20‹ C. to a vacuum of 720 mm. of mercury and then impregnated with a solution of potassium carbonate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22514/21A GB179108A (en) | 1921-08-24 | 1921-08-24 | Improved process for the manufacture of active wood charcoal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22514/21A GB179108A (en) | 1921-08-24 | 1921-08-24 | Improved process for the manufacture of active wood charcoal |
Publications (1)
Publication Number | Publication Date |
---|---|
GB179108A true GB179108A (en) | 1922-05-04 |
Family
ID=10180597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22514/21A Expired GB179108A (en) | 1921-08-24 | 1921-08-24 | Improved process for the manufacture of active wood charcoal |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB179108A (en) |
-
1921
- 1921-08-24 GB GB22514/21A patent/GB179108A/en not_active Expired
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