DE69505245D1 - METHOD AND DEVICE FOR CONTROLLING FREEZING DRYING - Google Patents

METHOD AND DEVICE FOR CONTROLLING FREEZING DRYING

Info

Publication number
DE69505245D1
DE69505245D1 DE69505245T DE69505245T DE69505245D1 DE 69505245 D1 DE69505245 D1 DE 69505245D1 DE 69505245 T DE69505245 T DE 69505245T DE 69505245 T DE69505245 T DE 69505245T DE 69505245 D1 DE69505245 D1 DE 69505245D1
Authority
DE
Germany
Prior art keywords
freezing drying
controlling freezing
controlling
corresponding device
drying
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 - Fee Related
Application number
DE69505245T
Other languages
German (de)
Other versions
DE69505245T2 (en
Inventor
Frederic Rene
Noel Genin
Georges Corrieu
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.)
Institut National de la Recherche Agronomique INRA
Original Assignee
Institut National de la Recherche Agronomique INRA
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 Institut National de la Recherche Agronomique INRA filed Critical Institut National de la Recherche Agronomique INRA
Application granted granted Critical
Publication of DE69505245D1 publication Critical patent/DE69505245D1/en
Publication of DE69505245T2 publication Critical patent/DE69505245T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Sludge (AREA)

Abstract

Method for controlling the water content of a product being dehydrated and corresponding device. The invention also concerns a method for detecting that the dehydration phase has been completed and a corresponding device.
DE69505245T 1994-05-03 1995-04-28 METHOD AND DEVICE FOR CONTROLLING FREEZING DRYING Expired - Fee Related DE69505245T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9405398A FR2719656B1 (en) 1994-05-03 1994-05-03 Method and device for controlling lyophilization under vacuum.
PCT/FR1995/000563 WO1995030118A1 (en) 1994-05-03 1995-04-28 Method and device for controlling vacuum lyophilization

Publications (2)

Publication Number Publication Date
DE69505245D1 true DE69505245D1 (en) 1998-11-12
DE69505245T2 DE69505245T2 (en) 1999-04-08

Family

ID=9462804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505245T Expired - Fee Related DE69505245T2 (en) 1994-05-03 1995-04-28 METHOD AND DEVICE FOR CONTROLLING FREEZING DRYING

Country Status (8)

Country Link
EP (1) EP0756692B1 (en)
AT (1) ATE172022T1 (en)
AU (1) AU2449895A (en)
DE (1) DE69505245T2 (en)
DK (1) DK0756692T3 (en)
ES (1) ES2122603T3 (en)
FR (1) FR2719656B1 (en)
WO (1) WO1995030118A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719398A1 (en) * 1997-05-07 1998-11-12 Amsco Finn Aqua Gmbh Process for controlling a freeze-drying process
DE102004007526A1 (en) * 2004-02-17 2005-09-01 Oetjen, Georg-Wilhelm, Dr. Method and device for the freeze-drying of products
EP2008047B1 (en) * 2006-04-10 2012-11-14 F. Hoffmann-La Roche AG Apparatus for monitoring freeze-drying process
IT1397930B1 (en) 2009-12-23 2013-02-04 Telstar Technologies S L METHOD FOR MONITORING THE PRIMARY DRYING OF A LIOFILIZATION PROCESS.
CN102645096A (en) * 2012-04-25 2012-08-22 上海理工大学 Method for judging vacuum freeze-drying end points
WO2015189655A1 (en) * 2014-06-10 2015-12-17 Alberio Marco System for monitoring the quantity of solvent extracted during the step of lyophilizing of substances
CN105077539B (en) * 2015-08-03 2018-02-27 天津市傲绿农副产品集团股份有限公司 A kind of energy-saving fruits and vegetables vacuum freeze-drying system
EP3775740A4 (en) * 2018-04-10 2021-12-15 IMA Life North America Inc. Freeze drying process and equipment health monitoring
CN113357880B (en) * 2021-05-17 2022-11-11 云南易门丛山食用菌有限责任公司 Processing technology of semi-freeze-dried tricholoma matsutake

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1196579B (en) * 1962-02-27 1965-07-08 Leybold Hochvakuum Anlagen Method for controlling the drying temperature during freeze drying, depending on the partial pressure of a gas or steam present in the chamber
GB1587409A (en) * 1976-10-04 1981-04-01 Boc Ltd Freeze drying
SU954752A1 (en) * 1980-10-29 1982-08-30 Предприятие П/Я А-3734 Method of automatic control of sublimation drying process
SU1495616A1 (en) * 1987-04-01 1989-07-23 Специальное Конструкторско-Технологическое Бюро С Опытным Производством Института Проблем Криобиологии И Криомедицины Ан Усср Apparatus for controlling freezing drying process
FR2685065B1 (en) * 1991-12-12 1994-03-04 Guy Beurel LYOPHILIZATION REGULATION PROCESS.

Also Published As

Publication number Publication date
AU2449895A (en) 1995-11-29
FR2719656B1 (en) 1996-07-26
DE69505245T2 (en) 1999-04-08
EP0756692A1 (en) 1997-02-05
ATE172022T1 (en) 1998-10-15
ES2122603T3 (en) 1998-12-16
FR2719656A1 (en) 1995-11-10
DK0756692T3 (en) 1999-06-21
WO1995030118A1 (en) 1995-11-09
EP0756692B1 (en) 1998-10-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee