FR2456925A2 - Procede perfectionne de lyophilisation d'un produit prealablement congele - Google Patents

Procede perfectionne de lyophilisation d'un produit prealablement congele

Info

Publication number
FR2456925A2
FR2456925A2 FR7903562A FR7903562A FR2456925A2 FR 2456925 A2 FR2456925 A2 FR 2456925A2 FR 7903562 A FR7903562 A FR 7903562A FR 7903562 A FR7903562 A FR 7903562A FR 2456925 A2 FR2456925 A2 FR 2456925A2
Authority
FR
France
Prior art keywords
prod
pref
fluidised bed
adsorbent
adsorbant
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
FR7903562A
Other languages
English (en)
Other versions
FR2456925B2 (fr
Inventor
Henri Gibert
Jean-Noel Wachet
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7903562A priority Critical patent/FR2456925A2/fr
Publication of FR2456925A2 publication Critical patent/FR2456925A2/fr
Application granted granted Critical
Publication of FR2456925B2 publication Critical patent/FR2456925B2/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/44—Freeze-drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
    • F26B3/22—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration
    • F26B3/225—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration the materials or objects to be dried being immersed in a fluidised bed of heated particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B7/00—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00
    • F26B7/005—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00 using admixture with sorbent materials and heat, e.g. generated by the mixture

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE PERFECTIONNE DE LYOPHILISATION D'UN PRODUIT PREALABLEMENT CONGELE. CE PROCEDE DE LYOPHILISATION COMBINE, COMME DANS LA DEMANDE PRINCIPALE, D'UNE PART, UN PHENOMENE D'ADSORPTION ENGENDRE SUR LE PRODUIT A LYOPHILISER PAR UN ADSORBANT DE VAPEUR D'EAU, D'AUTRE PART, UN PHENOMENE DE FLUIDISATION, L'ADSORBANT A L'ETAT DIVISE ETANT FLUIDISE ET LE PRODUIT A LYOPHILISER PLACE AU SEIN DE LA COUCHE FLUIDISEE. SELON LA PRESENTE INVENTION, AU MOINS UN PRODUIT INERTE A L'ETAT FINEMENT DIVISE EST INCORPORE A L'ADSORBANT POUR ETRE FLUIDISE AVEC CELUI-CI. L'ADJONCTION DE CE PRODUIT INERTE APPORTE PLUSIEURS AVANTAGES SUBSTANTIELS: REDUCTION DE LA DUREE DE LYOPHILISATION, AMELIORATION DES ECHANGES, ETC.
FR7903562A 1979-02-07 1979-02-07 Procede perfectionne de lyophilisation d'un produit prealablement congele Granted FR2456925A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7903562A FR2456925A2 (fr) 1979-02-07 1979-02-07 Procede perfectionne de lyophilisation d'un produit prealablement congele

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903562A FR2456925A2 (fr) 1979-02-07 1979-02-07 Procede perfectionne de lyophilisation d'un produit prealablement congele

Publications (2)

Publication Number Publication Date
FR2456925A2 true FR2456925A2 (fr) 1980-12-12
FR2456925B2 FR2456925B2 (fr) 1981-06-26

Family

ID=9221881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903562A Granted FR2456925A2 (fr) 1979-02-07 1979-02-07 Procede perfectionne de lyophilisation d'un produit prealablement congele

Country Status (1)

Country Link
FR (1) FR2456925A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000130A1 (fr) * 1983-06-24 1985-01-17 Udo Rieser Fabrication de corps de formage en ceramique frittee

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319032A (en) * 1964-12-30 1967-05-09 Gen Electric Irreversible electric switch
US3319344A (en) * 1965-10-22 1967-05-16 Battelle Development Corp Freeze drying liquid foods
US3436837A (en) * 1963-08-13 1969-04-08 Us Army Fluidized bed freeze drying
US3453741A (en) * 1967-11-02 1969-07-08 Us Agriculture System for freeze-drying
FR2376387A1 (fr) * 1976-12-31 1978-07-28 Anvar Procede de lyophilisation d'un produit prealablement congele

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436837A (en) * 1963-08-13 1969-04-08 Us Army Fluidized bed freeze drying
US3319032A (en) * 1964-12-30 1967-05-09 Gen Electric Irreversible electric switch
US3319344A (en) * 1965-10-22 1967-05-16 Battelle Development Corp Freeze drying liquid foods
US3453741A (en) * 1967-11-02 1969-07-08 Us Agriculture System for freeze-drying
FR2376387A1 (fr) * 1976-12-31 1978-07-28 Anvar Procede de lyophilisation d'un produit prealablement congele

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000130A1 (fr) * 1983-06-24 1985-01-17 Udo Rieser Fabrication de corps de formage en ceramique frittee

Also Published As

Publication number Publication date
FR2456925B2 (fr) 1981-06-26

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