ATE75474T1 - Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle. - Google Patents
Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle.Info
- Publication number
- ATE75474T1 ATE75474T1 AT86104147T AT86104147T ATE75474T1 AT E75474 T1 ATE75474 T1 AT E75474T1 AT 86104147 T AT86104147 T AT 86104147T AT 86104147 T AT86104147 T AT 86104147T AT E75474 T1 ATE75474 T1 AT E75474T1
- Authority
- AT
- Austria
- Prior art keywords
- caffeine
- separation
- active carbon
- stream
- loaded
- Prior art date
Links
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 title abstract 8
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 title abstract 4
- 229960001948 caffeine Drugs 0.000 title abstract 4
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 239000003610 charcoal Substances 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- 229910052799 carbon Inorganic materials 0.000 abstract 3
- 239000011261 inert gas Substances 0.000 abstract 2
- 238000010408 sweeping Methods 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/12—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1, 3, and 7, e.g. caffeine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Tea And Coffee (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Treating Waste Gases (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3511129A DE3511129C2 (de) | 1985-03-27 | 1985-03-27 | Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle |
| EP86104147A EP0196615B1 (de) | 1985-03-27 | 1986-03-26 | Verfahren zur Abtrennung von Koffein aus mit Koffein beladener Aktivkohle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE75474T1 true ATE75474T1 (de) | 1992-05-15 |
Family
ID=6266501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT86104147T ATE75474T1 (de) | 1985-03-27 | 1986-03-26 | Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4673743A (de) |
| EP (1) | EP0196615B1 (de) |
| AT (1) | ATE75474T1 (de) |
| CA (1) | CA1261832A (de) |
| DE (2) | DE3511129C2 (de) |
| DK (1) | DK168868B1 (de) |
| ES (1) | ES8704169A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8602012A (nl) * | 1986-08-06 | 1988-03-01 | Douwe Egberts Tabaksfab | Werkwijze voor het winnen van caffeine geadsorbeerd aan actieve kool. |
| DE69223317T2 (de) * | 1992-07-31 | 1998-06-18 | Jacobs Suchard Ag | Verfahren zur Rückgewinnung von Caffein aus Aktivkohle |
| ES2136067T3 (es) * | 1992-08-18 | 1999-11-16 | Kraft Jacobs Suchard Ag | Procedimiento de extraccion de cafeina del carbono activado. |
| US5260437A (en) * | 1992-11-24 | 1993-11-09 | Pepsico, Inc. | Recovery of caffeine from tea trimmings and vegetable wastes |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2933454A (en) * | 1955-11-14 | 1960-04-19 | Pittsburgh Coke & Chemical Co | Reactivation of spent adsorbent carbon |
| DE2212281C3 (de) * | 1972-03-14 | 1978-11-18 | Hag Ag | Verfahren zur entcoffeinierung von rohkaffee |
| FR2464744A1 (fr) * | 1979-09-12 | 1981-03-20 | Ceag Verfahrenstechnik Gmbh | Procede et installation pour la regeneration thermique de produits adsorbants charges |
| US4298736A (en) * | 1980-06-16 | 1981-11-03 | General Foods Corporation | Carbon-caffeine separation |
| US4540784A (en) * | 1983-04-18 | 1985-09-10 | Hag Gf Aktiengesellschaft | Recovery of caffeine adsorbed to activated carbon |
| ATE26981T1 (de) * | 1983-06-22 | 1987-05-15 | Hag Ag | Wiedergewinnung von mit koffein beladener aktivkohle mit heissem wasser. |
-
1985
- 1985-03-27 DE DE3511129A patent/DE3511129C2/de not_active Expired - Fee Related
-
1986
- 1986-03-14 DK DK117786A patent/DK168868B1/da not_active IP Right Cessation
- 1986-03-24 US US06/842,848 patent/US4673743A/en not_active Expired - Lifetime
- 1986-03-26 EP EP86104147A patent/EP0196615B1/de not_active Expired - Lifetime
- 1986-03-26 AT AT86104147T patent/ATE75474T1/de not_active IP Right Cessation
- 1986-03-26 ES ES553471A patent/ES8704169A1/es not_active Expired
- 1986-03-26 DE DE8686104147T patent/DE3685049D1/de not_active Expired - Fee Related
- 1986-03-26 CA CA000505238A patent/CA1261832A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK117786A (da) | 1986-09-28 |
| US4673743A (en) | 1987-06-16 |
| ES8704169A1 (es) | 1987-03-16 |
| DE3511129A1 (de) | 1986-10-02 |
| CA1261832A (en) | 1989-09-26 |
| DK168868B1 (da) | 1994-06-27 |
| DE3685049D1 (de) | 1992-06-04 |
| ES553471A0 (es) | 1987-03-16 |
| EP0196615A3 (en) | 1988-11-09 |
| EP0196615B1 (de) | 1992-04-29 |
| DK117786D0 (da) | 1986-03-14 |
| EP0196615A2 (de) | 1986-10-08 |
| DE3511129C2 (de) | 1994-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |