ES2125652T3 - Procedimiento para la determinacion de la humedad residual durante la desecacion secundaria en un proceso de liofilizacion. - Google Patents
Procedimiento para la determinacion de la humedad residual durante la desecacion secundaria en un proceso de liofilizacion.Info
- Publication number
- ES2125652T3 ES2125652T3 ES95929891T ES95929891T ES2125652T3 ES 2125652 T3 ES2125652 T3 ES 2125652T3 ES 95929891 T ES95929891 T ES 95929891T ES 95929891 T ES95929891 T ES 95929891T ES 2125652 T3 ES2125652 T3 ES 2125652T3
- Authority
- ES
- Spain
- Prior art keywords
- residual moisture
- determination
- desorption rate
- procedure
- moisture during
- 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 - Lifetime
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)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (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)
Abstract
LA INVENCION SE REFIERE A UN PROCESO PARA LA DETERMINACION DE LA HUMEDAD RESIDUAL DURANTE EL SECADO FINAL EN UN PROCESO DE SECADO POR CONGELACION; PARA LA OBTENCION DE LA HUMEDAD RESIDUAL SIN INTERRUPCION DEL PROCESO DE SECADO, SE PROPONE QUE LA TASA DE DESORCION DURANTE LA FASE DE SECADO FINAL SE MIDA A INTERVALOS DE TIEMPO PREDETERMINADOS (POR EJEMPLO 10 MIN.). UN ORDENADOR CALCULA, CON DOS O MAS DE LOS VALORES MEDIDOS, EL TIEMPO EN EL CUAL SE ALCANZARIA LA TASA DE DESORCION (PUNTO CERO DE LA TASA DE DESORCION) QUE MODIFICASE SOLO EN UN VALOR MARGINAL LA HUMEDAD RESIDUAL DESEADA. LA HUMEDAD RESIDUAL CORRESPONDIENTE ES DETERMINADA POR EL ORDENADOR HACIENDO UNA INTEGRACION TEMPORAL DE LA TASA DE DESORCION DESDE EL PUNTO CERO HASTA EL MOMENTO DE LA MEDICION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19504814 | 1995-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2125652T3 true ES2125652T3 (es) | 1999-03-01 |
Family
ID=7753877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95929891T Expired - Lifetime ES2125652T3 (es) | 1995-02-14 | 1995-08-18 | Procedimiento para la determinacion de la humedad residual durante la desecacion secundaria en un proceso de liofilizacion. |
Country Status (9)
Country | Link |
---|---|
US (1) | US6176121B1 (es) |
EP (1) | EP0811153B1 (es) |
JP (1) | JP3850442B2 (es) |
CN (1) | CN1092332C (es) |
BR (1) | BR9510380A (es) |
DE (1) | DE59503956D1 (es) |
DK (1) | DK0811153T3 (es) |
ES (1) | ES2125652T3 (es) |
WO (1) | WO1996025654A1 (es) |
Families Citing this family (10)
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 |
EP2148158B1 (en) | 2008-07-23 | 2011-11-02 | Telstar Technologies, S.L. | Method for monitoring the secondary drying in a freeze-drying process |
US8434240B2 (en) | 2011-01-31 | 2013-05-07 | Millrock Technology, Inc. | Freeze drying method |
ES2814824T3 (es) * | 2011-02-08 | 2021-03-29 | Kyowa Vacuum Eng | Método de cálculo y dispositivo de cálculo para la temperatura de interfaz de sublimación, temperatura de la parte inferior y tasa de sublimación del material a secar en dispositivo de secado por congelación |
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 |
CN108956369A (zh) * | 2018-08-24 | 2018-12-07 | 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)
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 |
-
1995
- 1995-08-18 DE DE59503956T patent/DE59503956D1/de not_active Expired - Lifetime
- 1995-08-18 WO PCT/EP1995/003294 patent/WO1996025654A1/de active IP Right Grant
- 1995-08-18 JP JP52459596A patent/JP3850442B2/ja not_active Expired - Fee Related
- 1995-08-18 ES ES95929891T patent/ES2125652T3/es not_active Expired - Lifetime
- 1995-08-18 CN CN95197634A patent/CN1092332C/zh not_active Expired - Fee Related
- 1995-08-18 US US08/875,708 patent/US6176121B1/en not_active Expired - Lifetime
- 1995-08-18 BR BR9510380A patent/BR9510380A/pt not_active Application Discontinuation
- 1995-08-18 DK DK95929891T patent/DK0811153T3/da active
- 1995-08-18 EP EP95929891A patent/EP0811153B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59503956D1 (de) | 1998-11-19 |
WO1996025654A1 (de) | 1996-08-22 |
DK0811153T3 (da) | 1999-06-23 |
US6176121B1 (en) | 2001-01-23 |
EP0811153B1 (de) | 1998-10-14 |
CN1092332C (zh) | 2002-10-09 |
JPH10513568A (ja) | 1998-12-22 |
BR9510380A (pt) | 1998-06-02 |
JP3850442B2 (ja) | 2006-11-29 |
EP0811153A1 (de) | 1997-12-10 |
CN1175306A (zh) | 1998-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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