Patent ID: 7255729
Filing Date: 2007-08-14
Classification: B01D,C01B,Y10T

Abstract:
1. A porous cylindrical-body module comprising: a plurality of porous cylindrical bodies that are bundled together apart from each other disposed with a predetermined gap therebetween, each of which has a porous cylindrical circumferential wall that is permeable to a predetermined gas containing gas molecules of different diameters, and one end of each of which is substantially closed; a hollow sealing body that includes a gas chamber enclosed by a dense wall that is impermeable to the predetermined gas and gas passages communicating an interior of the gas chamber with an exterior thereof, and in which the gas chamber being communicated with the exterior through the porous cylindrical bodies by airtightly fastening the other end of each of the porous cylindrical bodies to the gas chamber with fitting the other end thereof to the gas passages to be opened to the interior of the gas chamber; and a dense cylindrical body, which has a dense circumferential wall impermeable to the predetermined gas, and one end of which is opened to the interior of the gas chamber whereas the other end of which is opened to an exterior of the hollow sealing body by being airtightly fastened to the gas passage, wherein the dense cylindrical body includes a functional layer that is fastened to an inner wall surface thereof and that has a predetermined function, and wherein the porous cylindrical bodies and the hollow sealing body are made of ceramics.