GB1123822A - Impregnated activated charcoal - Google Patents
Impregnated activated charcoalInfo
- Publication number
- GB1123822A GB1123822A GB3592/68A GB359268A GB1123822A GB 1123822 A GB1123822 A GB 1123822A GB 3592/68 A GB3592/68 A GB 3592/68A GB 359268 A GB359268 A GB 359268A GB 1123822 A GB1123822 A GB 1123822A
- Authority
- GB
- United Kingdom
- Prior art keywords
- activated charcoal
- impregnated activated
- triethylene
- piperazine
- evaporate
- 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
- C01B32/354—After-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Coal based activated charcoal is soaked in an aqueous solution of piperazine or triethylene-diamine, and the water allowed to evaporate off, possibly with gentle heating at 100-120 DEG C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3592/68A GB1123822A (en) | 1965-03-30 | 1965-03-30 | Impregnated activated charcoal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3592/68A GB1123822A (en) | 1965-03-30 | 1965-03-30 | Impregnated activated charcoal |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1123822A true GB1123822A (en) | 1968-08-14 |
Family
ID=9761253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3592/68A Expired GB1123822A (en) | 1965-03-30 | 1965-03-30 | Impregnated activated charcoal |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1123822A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4531953A (en) * | 1983-06-21 | 1985-07-30 | Calgon Corporation | Sublimation of amine compounds on activated carbon pore surfaces |
US4802898A (en) * | 1985-06-17 | 1989-02-07 | Westvaco Corporation | Method and apparatus for removing cyanogen chloride from air |
US5145820A (en) * | 1990-05-01 | 1992-09-08 | Her Majesty The Queen In Right Of Canada, As Represented By Minister Of National Defence Of Her Majesty's Canadian Government | Reduced pressure sublimation of amine compounds on activated carbons |
US6344071B1 (en) | 2000-05-22 | 2002-02-05 | 3M Innovative Properties Company | Broad spectrum filter system for filtering contaminants from air or other gases |
US6767860B2 (en) | 2001-05-10 | 2004-07-27 | 3M Innovative Properties Company | Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant |
US10773235B2 (en) | 2018-05-18 | 2020-09-15 | Marmon Water (Singapore) Pte. Ltd. | Modified activated carbon for adsorption of airborne formaldehyde and method for making the same |
-
1965
- 1965-03-30 GB GB3592/68A patent/GB1123822A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4531953A (en) * | 1983-06-21 | 1985-07-30 | Calgon Corporation | Sublimation of amine compounds on activated carbon pore surfaces |
US4802898A (en) * | 1985-06-17 | 1989-02-07 | Westvaco Corporation | Method and apparatus for removing cyanogen chloride from air |
EP0370141A1 (en) * | 1985-06-17 | 1990-05-30 | Westvaco Corporation | Method and apparatus for removing cyanogen chloride from air |
US5145820A (en) * | 1990-05-01 | 1992-09-08 | Her Majesty The Queen In Right Of Canada, As Represented By Minister Of National Defence Of Her Majesty's Canadian Government | Reduced pressure sublimation of amine compounds on activated carbons |
US6344071B1 (en) | 2000-05-22 | 2002-02-05 | 3M Innovative Properties Company | Broad spectrum filter system for filtering contaminants from air or other gases |
US6767860B2 (en) | 2001-05-10 | 2004-07-27 | 3M Innovative Properties Company | Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant |
US10773235B2 (en) | 2018-05-18 | 2020-09-15 | Marmon Water (Singapore) Pte. Ltd. | Modified activated carbon for adsorption of airborne formaldehyde and method for making the same |
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