GB285386A - Process for eliminating the acidity of acid activated charcoal - Google Patents
Process for eliminating the acidity of acid activated charcoalInfo
- Publication number
- GB285386A GB285386A GB4632/28A GB463228A GB285386A GB 285386 A GB285386 A GB 285386A GB 4632/28 A GB4632/28 A GB 4632/28A GB 463228 A GB463228 A GB 463228A GB 285386 A GB285386 A GB 285386A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkaline
- charcoal
- acidity
- lime
- milk
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 3
- 239000002253 acid Substances 0.000 title abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000003610 charcoal Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000920 calcium hydroxide Substances 0.000 abstract 2
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
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)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
285,386. Verein f³r Chemische und Metallurgische Produktion. Feb. 14, 1927, [Convention date]. Carbon.-The acidity of charcoal, which has been activated by acidic materials or by salts which owing to hydrolytic decomposition exhibit an acid reaction, is removed by treatment under pressure with milk of lime, sodium carbonate, sodium hydroxide, or other alkaline materials at temperatures over 100‹ C, e.g. 150‹ C. Sufficient alkaline material may be employed to give an alkaline charcoal. The charcoal will remain alkaline when soda is used, but with milk of lime on exposure to the air it becomes gradually neutral owing to absorption of carbon dioxide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS285386X | 1927-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB285386A true GB285386A (en) | 1928-10-11 |
Family
ID=5452002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4632/28A Expired GB285386A (en) | 1927-02-14 | 1928-02-14 | Process for eliminating the acidity of acid activated charcoal |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB285386A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4066699A (en) * | 1976-12-27 | 1978-01-03 | Texaco Inc. | Process for the hydrogenation of nitrated paraffins using a palladium on carbon catalyst characterized by a low ash and a low halide content |
| US4148753A (en) * | 1977-12-05 | 1979-04-10 | Westvaco Corporation | Neutralization of phosphoric acid activated carbon |
| EP0040712A1 (en) * | 1980-05-28 | 1981-12-02 | Societe Des Produits Nestle S.A. | Process for the removal of caffeine from green coffee and process for the recovery of caffeine |
| EP0066700A1 (en) * | 1981-05-21 | 1982-12-15 | Societe Des Produits Nestle S.A. | Recovery of xanthine stimulants from aqueous media |
-
1928
- 1928-02-14 GB GB4632/28A patent/GB285386A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4066699A (en) * | 1976-12-27 | 1978-01-03 | Texaco Inc. | Process for the hydrogenation of nitrated paraffins using a palladium on carbon catalyst characterized by a low ash and a low halide content |
| US4148753A (en) * | 1977-12-05 | 1979-04-10 | Westvaco Corporation | Neutralization of phosphoric acid activated carbon |
| EP0040712A1 (en) * | 1980-05-28 | 1981-12-02 | Societe Des Produits Nestle S.A. | Process for the removal of caffeine from green coffee and process for the recovery of caffeine |
| EP0066700A1 (en) * | 1981-05-21 | 1982-12-15 | Societe Des Produits Nestle S.A. | Recovery of xanthine stimulants from aqueous media |
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