Patent ID: 7585347
Filing Date: 2009-09-08
Classification: B01D,C02F,C03C,C04B

Abstract:
1. A ceramic filter comprising: a base body having a plurality of partition walls formed therein, the partition walls comprising a ceramic porous body having a large number of pores, wherein the partition walls define a plurality of individual fluid passage cells within the base body; filter membranes provided on the partition walls and comprising a ceramic porous body having a large number of pores having an average pore diameter that is smaller than an average pore diameter of the pores in the surface of each partition wall, wherein at least part of each ceramic porous body has a structure wherein aggregated particles are bonded to each other with a glass component; and a glass seal provided so as to cover at least an end face of the base body, the glass seal comprising an alkali-free glass having a composition including silica (SiO