C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/2, 195/35.1
C03C 11/00 (2006.01) C03B 19/10 (2006.01) C04B 38/00 (2006.01) C12N 11/14 (2006.01)
Patent
CA 1274255
ABSTRACT OF THE DISCLOSURE Disclosed is a granular multi-cellular glass and a method for producing the same. An ordinary multi-cellular glass grain having relatively low moisture content ratio was prepared as starling material. The glass grain is then dipped in water or alkali solution for eluting or dealkali treatment. By the dipping, soluble alkali components are mainly eluted from a surface layer and cell walls of the glass grain. Thus produced multi-cellular glass grain provides increased moisture content ratio because of the formation of micropores at the layer and cell wall portions. Disclosed also are control, of physical properties of the multi-cellular glass grain for controlling specific gravity, pore volume and pore diameter thereof. By these controls, resultant glass grain is provided with desirable physical properties available for a microcarrier for immobilizing microbe therein.
555692
Ehara Takashi
Itami Hiroshi
Nagara Akira
Taguchi Hiroshi
Kirin Beer Kabushiki Kaisha
Macrae & Co.
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