Treatment of water damaged cellulosic materials

Details Treatment of water damaged cellulosic materials Treatment of water damaged cellulosic materials

1984-03-19

1985-10-01

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

F26B 506

Patent

active

045437343

ABSTRACT:
A process for treating water damaged cellulosic materials, particularly books, is provided, which process comprises freezing the water throughout the extent of the cellulosic materials and subliming the water from the materials to dryness at temperatures below freezing. The process can provide effective fumigation of cellulosic materials.

REFERENCES:
patent: 2444124 (1948-06-01), Wedler
patent: 3681851 (1972-08-01), Fleming
Utilization of Freeze-Drying to Save Water-Damaged Manuscripts, in letter to the Editor, by James M. Flink, Vacuum/vol. 22, No. 7, Jul. 1972, Pergamon Press Ltd./printed in Great Britain.

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