DK0811153T3 - Fremgangsmåde til bestemmelse af restfugtigheden under eftertørringen i en frysetørringsproces - Google Patents

Fremgangsmåde til bestemmelse af restfugtigheden under eftertørringen i en frysetørringsproces

Info

Publication number
DK0811153T3
DK0811153T3 DK95929891T DK95929891T DK0811153T3 DK 0811153 T3 DK0811153 T3 DK 0811153T3 DK 95929891 T DK95929891 T DK 95929891T DK 95929891 T DK95929891 T DK 95929891T DK 0811153 T3 DK0811153 T3 DK 0811153T3
Authority
DK
Denmark
Prior art keywords
drying
freeze
residual moisture
during post
moisture during
Prior art date
Application number
DK95929891T
Other languages
English (en)
Inventor
Georg Wilhelm Oetjen
Original Assignee
Georg Wilhelm Oetjen
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 Georg Wilhelm Oetjen filed Critical Georg Wilhelm Oetjen
Application granted granted Critical
Publication of DK0811153T3 publication Critical patent/DK0811153T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
    • 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
    • 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

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)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Drying Of Solid Materials (AREA)
DK95929891T 1995-02-14 1995-08-18 Fremgangsmåde til bestemmelse af restfugtigheden under eftertørringen i en frysetørringsproces DK0811153T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19504814 1995-02-14
PCT/EP1995/003294 WO1996025654A1 (de) 1995-02-14 1995-08-18 Verfahren zur ermittlung der restfeuchte während der nachtrocknung in einem gefriertrockenprozess

Publications (1)

Publication Number Publication Date
DK0811153T3 true DK0811153T3 (da) 1999-06-23

Family

ID=7753877

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95929891T DK0811153T3 (da) 1995-02-14 1995-08-18 Fremgangsmåde til bestemmelse af restfugtigheden under eftertørringen i en frysetørringsproces

Country Status (9)

Country Link
US (1) US6176121B1 (da)
EP (1) EP0811153B1 (da)
JP (1) JP3850442B2 (da)
CN (1) CN1092332C (da)
BR (1) BR9510380A (da)
DE (1) DE59503956D1 (da)
DK (1) DK0811153T3 (da)
ES (1) ES2125652T3 (da)
WO (1) WO1996025654A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719398A1 (de) 1997-05-07 1998-11-12 Amsco Finn Aqua Gmbh Verfahren zur Steuerung eines Gefriertrocknungsprozesses
US6971187B1 (en) 2002-07-18 2005-12-06 University Of Connecticut Automated process control using manometric temperature measurement
GB0505849D0 (en) * 2005-03-22 2005-04-27 Boc Group Plc Method of monitoring a freeze drying process
ATE532016T1 (de) 2008-07-23 2011-11-15 Telstar Technologies S L Verfahren zur überwachung der zweiten trocknung in einem gefriertrocknungsverfahren
US8434240B2 (en) 2011-01-31 2013-05-07 Millrock Technology, Inc. Freeze drying method
WO2012108470A1 (ja) * 2011-02-08 2012-08-16 共和真空技術株式会社 凍結乾燥装置に適用される被乾燥材料の昇華面温度、底部品温及び昇華速度の算出方法及び算出装置
US9121637B2 (en) * 2013-06-25 2015-09-01 Millrock Technology Inc. Using surface heat flux measurement to monitor and control a freeze drying process
US10605527B2 (en) 2015-09-22 2020-03-31 Millrock Technology, Inc. Apparatus and method for developing freeze drying protocols using small batches of product
US10350319B2 (en) 2017-01-23 2019-07-16 Sterilucent, Inc. Method for liquid detection and drying
CN108956369B (zh) * 2018-08-24 2024-09-17 上海暖友实业有限公司 测量发热器具产生水蒸气量的测量仪和水蒸气量检测方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575169A (en) * 1948-09-17 1951-11-13 Stromberg Carlson Co Method of determining the rate of moisture absorption
US4168623A (en) 1977-02-07 1979-09-25 Philip Morris Incorporated Method for determining volatile content of a sample
US4142403A (en) * 1977-10-17 1979-03-06 Iowa State University Research Foundation, Inc. Method and means for testing soils
US4506994A (en) * 1982-09-20 1985-03-26 General Signal Corporation Dew point measurement and time trend analysis
FR2573530B1 (fr) * 1984-11-21 1987-01-30 Siderurgie Fse Inst Rech Appareil pour la determination rapide du taux d'humidite d'un materiau.
US4606650A (en) 1984-11-26 1986-08-19 Domtar Inc. Microwave, a closed vessel and methods of determining volatile material content
US4561191A (en) 1985-05-28 1985-12-31 Parkinson Martin C Method and apparatus for continuous freeze drying
US4709579A (en) 1985-08-16 1987-12-01 Westinghouse Electric Corp. Measurement of moisture content
DE3832726C2 (de) 1988-01-25 1997-04-30 Sartorius Gmbh Trocknungswaage mit digitaler Auswerteeinheit zur Bestimmung des Endpunktes der Trocknung
US5367786A (en) 1990-11-06 1994-11-29 Jennings; Thomas A. Method and apparatus for monitoring the processing of a material
DE4302983A1 (de) * 1993-02-03 1994-08-04 Roland Dipl Ing Dr In Wernecke Verfahren zur Materialfeuchtebestimmung, Verfahren zur Bestimmung materialspezifischer Sorptionsisothermen sowie Gerät zur Durchführung dieser Verfahren
DE4334902C2 (de) * 1993-10-13 1998-07-02 Martin Christ Gefriertrocknung Gefriertrocknungsanlage

Also Published As

Publication number Publication date
EP0811153B1 (de) 1998-10-14
JP3850442B2 (ja) 2006-11-29
ES2125652T3 (es) 1999-03-01
WO1996025654A1 (de) 1996-08-22
US6176121B1 (en) 2001-01-23
BR9510380A (pt) 1998-06-02
CN1175306A (zh) 1998-03-04
EP0811153A1 (de) 1997-12-10
DE59503956D1 (de) 1998-11-19
CN1092332C (zh) 2002-10-09
JPH10513568A (ja) 1998-12-22

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