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Title:
ALUMINA SUBSTRATE TUBE FOR SEPARATION FILM AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2008094664
Kind Code:
A
Abstract:

To provide a manufacturing method of an alumina substrate tube for the formation of an inorganic separation film of alumina, zeolite or the like by adding an additive to inexpensive alumina raw material powder and the alumina substrate tube for the formation of the inorganic separation film obtained by the method.

The alumina substrate tube for the separation film contains (a) 83-94 wt.% of Al2O3 and has (b) 0.3-0.8 m through hole mode diameter measured by a bubble point method, (c) 1-2 m maximum fine pore diameter, (d) 35% porosity and (e) 1.5 m surface roughness and the manufacturing method is provided.


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Inventors:
NISHINO TAKAFUMI
ONISHI KOJI
KOTO KAZUYA
Application Number:
JP2006278525A
Publication Date:
April 24, 2008
Filing Date:
October 12, 2006
Export Citation:
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Assignee:
NITSUKATOO KK
International Classes:
C04B38/00; B01D69/10; C04B35/10
Domestic Patent References:
JPH0971481A1997-03-18
JPH07330456A1995-12-19
JP2004315358A2004-11-11
JP2003001029A2003-01-07
Foreign References:
WO2002072671A22002-09-19
Attorney, Agent or Firm:
Eiji Tomomatsu
Toshio Okamoto



 
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