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Restoration of Flooded Documents: Past And Future Of The Activity At Liege, Belgium
Henrist, Marc; Carapelle, Alain; Rabecki, Frédéric
2002Lyophilization and Freeze-Drying Conference
 

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Abstract :
[en] The Centre Spatial de Liege (CSL) was involved in the lyophilization process since 1991, when a large incident occurred to precious books from the National Archives. After a successful restoration, several further occasions took place up to now for freeze-drying flooded documents in vacuum chambers, normally devoted to space equipment testing. Customers range from ministries to particulars. Due to several drawbacks associated to the use of vacuum chambers in clean rooms, it has been decided to create a spin-off company (SVA - Special Vacuum Applications, Ltd) in charge of the operations, with its own equipment including a large vacuum chamber. A grant from the regional authorities has enabled to master various aspects of the document salvation process, including sterilization for the prevention of fungus and mould. The presentation describes the present and future equipment and processes associated with large scale lyophilization of damaged documents.
Disciplines :
Physics
Author, co-author :
Henrist, Marc
Carapelle, Alain  ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Rabecki, Frédéric ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Language :
English
Title :
Restoration of Flooded Documents: Past And Future Of The Activity At Liege, Belgium
Publication date :
2002
Event name :
Lyophilization and Freeze-Drying Conference
Event place :
Amsterdam, Netherlands
By request :
Yes
Audience :
International
Available on ORBi :
since 18 February 2010

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