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Title:
MANUFACTURE OF DEHUMIDIFYING ELEMENT
Document Type and Number:
Japanese Patent JP3305602
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a manufacturing method for improved silica gel carrying dehumidifying elements for carrying a large amount of silica gel of good moisture absorption performance.
SOLUTION: A water glass dried material having a water content of 3wt.% or less is fixed on an inorganic fiber honeycomb structural body, and then the material is brought into contact with wet air and moisture is applied to the water glass dried material until the water content is in the range of 25-60wt.%. Water glass is immersed in a mineral acidic water solution of pH1-2 and converted into hydrogel silicate which is washed by water and dried to convert the above-said hydrogel silicate into silica gel.


Inventors:
Hideo Miyoshi
Yuji Matsumura
Application Number:
JP33911596A
Publication Date:
July 24, 2002
Filing Date:
December 05, 1996
Export Citation:
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Assignee:
Nichias Corporation
International Classes:
B01D53/26; B01J20/10; (IPC1-7): B01D53/26; B01J20/10
Domestic Patent References:
JP494734A
JP61101228A
JP3223107A