Lyophilization: The process and industrial use

This article presents a general overview of lyophilization and discusses the underlying principles of the process through the basics of: formulation, freezing, primary drying and secondary drying. In this article lyophilization is defined as a stabilizing process in which the substance is first froz...

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Main Authors: Pržić Dejan S., Ružić Nenad Lj., Petrović Slobodan D.
Format: Article
Language:English
Published: Association of Chemical Engineers of Serbia 2004-01-01
Series:Hemijska Industrija
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0367-598X/2004/0367-598X0412552P.pdf
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author Pržić Dejan S.
Ružić Nenad Lj.
Petrović Slobodan D.
author_facet Pržić Dejan S.
Ružić Nenad Lj.
Petrović Slobodan D.
author_sort Pržić Dejan S.
collection DOAJ
description This article presents a general overview of lyophilization and discusses the underlying principles of the process through the basics of: formulation, freezing, primary drying and secondary drying. In this article lyophilization is defined as a stabilizing process in which the substance is first frozen and then the quantity of the solvent is reduced first by sublimation (primary drying) and then by desorption (secondary drying) to values that will no longer support biological growth or chemical reactions. Special mention was made of the industrial use of the process and emphasis was placed on the lyophilization of pharmaceutical products and food industry products. Lyophilization equipment, as well as the formulation of materials that can be lyophilized, are described in sufficient detail to give information on the restrictions and advantages of lyophlization. Processing economics and comparison with conventional drying methods are presented. A historical overview of the process and future developments presented from the industrial viewpoint give an insight on the previous application of lyophilization and the prospects of its broad industrial use.
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spelling doaj.art-4caa6c4af2264b298f97b9a28c66df2a2022-12-22T02:58:21ZengAssociation of Chemical Engineers of SerbiaHemijska Industrija0367-598X2004-01-01581255256210.2298/HEMIND0412552PLyophilization: The process and industrial usePržić Dejan S.Ružić Nenad Lj.Petrović Slobodan D.This article presents a general overview of lyophilization and discusses the underlying principles of the process through the basics of: formulation, freezing, primary drying and secondary drying. In this article lyophilization is defined as a stabilizing process in which the substance is first frozen and then the quantity of the solvent is reduced first by sublimation (primary drying) and then by desorption (secondary drying) to values that will no longer support biological growth or chemical reactions. Special mention was made of the industrial use of the process and emphasis was placed on the lyophilization of pharmaceutical products and food industry products. Lyophilization equipment, as well as the formulation of materials that can be lyophilized, are described in sufficient detail to give information on the restrictions and advantages of lyophlization. Processing economics and comparison with conventional drying methods are presented. A historical overview of the process and future developments presented from the industrial viewpoint give an insight on the previous application of lyophilization and the prospects of its broad industrial use.http://www.doiserbia.nb.rs/img/doi/0367-598X/2004/0367-598X0412552P.pdflyophlizationfreeze dryerfreeze dryingprimary dryingsecondary dryingchambershelfcondenserformulationpharmaceutical industryfood industry
spellingShingle Pržić Dejan S.
Ružić Nenad Lj.
Petrović Slobodan D.
Lyophilization: The process and industrial use
Hemijska Industrija
lyophlization
freeze dryer
freeze drying
primary drying
secondary drying
chamber
shelf
condenser
formulation
pharmaceutical industry
food industry
title Lyophilization: The process and industrial use
title_full Lyophilization: The process and industrial use
title_fullStr Lyophilization: The process and industrial use
title_full_unstemmed Lyophilization: The process and industrial use
title_short Lyophilization: The process and industrial use
title_sort lyophilization the process and industrial use
topic lyophlization
freeze dryer
freeze drying
primary drying
secondary drying
chamber
shelf
condenser
formulation
pharmaceutical industry
food industry
url http://www.doiserbia.nb.rs/img/doi/0367-598X/2004/0367-598X0412552P.pdf
work_keys_str_mv AT przicdejans lyophilizationtheprocessandindustrialuse
AT ruzicnenadlj lyophilizationtheprocessandindustrialuse
AT petrovicslobodand lyophilizationtheprocessandindustrialuse