FR2433359A1 - Procede d'adsorption a contre-courant - Google Patents

Procede d'adsorption a contre-courant

Info

Publication number
FR2433359A1
FR2433359A1 FR7823937A FR7823937A FR2433359A1 FR 2433359 A1 FR2433359 A1 FR 2433359A1 FR 7823937 A FR7823937 A FR 7823937A FR 7823937 A FR7823937 A FR 7823937A FR 2433359 A1 FR2433359 A1 FR 2433359A1
Authority
FR
France
Prior art keywords
soln
caffeine
effluent
solids
component
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.)
Granted
Application number
FR7823937A
Other languages
English (en)
Other versions
FR2433359B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Foods Corp
Original Assignee
General Foods Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Foods Corp filed Critical General Foods Corp
Priority to FR7823937A priority Critical patent/FR2433359A1/fr
Publication of FR2433359A1 publication Critical patent/FR2433359A1/fr
Application granted granted Critical
Publication of FR2433359B1 publication Critical patent/FR2433359B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F5/22—Reducing or removing alkaloid content from coffee extract
    • A23F5/223—Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
    • B01D15/1807—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using counter-currents, e.g. fluidised beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
    • B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
    • B01D15/1871—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns placed in series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Tea And Coffee (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Abstract

Procédé d'adsorption à contre-courant dans lequel une solution aqueuse comprenant plusieurs constituants est débarrassée pratiquement de l'un des constituants. Selon l'invention, on fait passer la solution des solides adsorbés, élués à partir de la section la plus usée d'un système d'adsorption à contre-courant à travers un lit fraîchement régénéré du même adsorbant. Application à la décaféination d'extraits aqueux de café.
FR7823937A 1978-08-16 1978-08-16 Procede d'adsorption a contre-courant Granted FR2433359A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7823937A FR2433359A1 (fr) 1978-08-16 1978-08-16 Procede d'adsorption a contre-courant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7823937A FR2433359A1 (fr) 1978-08-16 1978-08-16 Procede d'adsorption a contre-courant

Publications (2)

Publication Number Publication Date
FR2433359A1 true FR2433359A1 (fr) 1980-03-14
FR2433359B1 FR2433359B1 (fr) 1981-01-02

Family

ID=9211847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823937A Granted FR2433359A1 (fr) 1978-08-16 1978-08-16 Procede d'adsorption a contre-courant

Country Status (1)

Country Link
FR (1) FR2433359A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661802A1 (fr) * 1990-04-04 1991-11-15 Jacobs Suchard Ag Procede et appareil d'extraction de la cafeine du cafe, en particulier du cafe brut.
EP4327666A1 (fr) * 2022-08-26 2024-02-28 ANKA Angewandte Kaffeetechnologie GmbH Procédé et dispositif de préparation de grains de café vert décaféinés et de la caféine, utilisant des résines adsorbantes, et utilisations correspondantes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297004A1 (fr) * 1975-01-08 1976-08-06 Nestle Sa Procede de decafeination d'un extrait aqueux d'une matiere vegetale et produit obtenu
FR2314750A1 (fr) * 1975-06-18 1977-01-14 Flambeau Paper Co Procede de concentration de produits chimiques dilues par adsorption et desorption
GB1488340A (en) * 1975-06-24 1977-10-12 Gen Foods Corp Decaffeination of green coffee

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297004A1 (fr) * 1975-01-08 1976-08-06 Nestle Sa Procede de decafeination d'un extrait aqueux d'une matiere vegetale et produit obtenu
FR2314750A1 (fr) * 1975-06-18 1977-01-14 Flambeau Paper Co Procede de concentration de produits chimiques dilues par adsorption et desorption
GB1488340A (en) * 1975-06-24 1977-10-12 Gen Foods Corp Decaffeination of green coffee

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661802A1 (fr) * 1990-04-04 1991-11-15 Jacobs Suchard Ag Procede et appareil d'extraction de la cafeine du cafe, en particulier du cafe brut.
EP4327666A1 (fr) * 2022-08-26 2024-02-28 ANKA Angewandte Kaffeetechnologie GmbH Procédé et dispositif de préparation de grains de café vert décaféinés et de la caféine, utilisant des résines adsorbantes, et utilisations correspondantes
WO2024042249A1 (fr) 2022-08-26 2024-02-29 Anka Angewandte Kaffeetechnologie Gmbh Procédé et dispositif de production d'extraits de grains de café brut décaféinés et de caféine à l'aide de résines adsorbantes et de dichlorométhane, et utilisations correspondantes

Also Published As

Publication number Publication date
FR2433359B1 (fr) 1981-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse