CERAMIC MEMBRANOUS STRUCTURE FOR CONDENSING AND SEPARATING CONDENSABLE GASEOUS COMPONENT AND ITS PRODUCTION

摘要

PURPOSE:To obtain the title industrially usable structure by providing a suction hole or a suction pipe to a closed space, and depositing a specified thin ceramic film on the inner surface of the partition wall of a through hole in the ceramic structure provided with many adjacent through holes and closed spaces. CONSTITUTION:The ceramic base structure 21 is prepared from a ceramic material such as alumina, and provided with many through holes 21c separated by the porous partition walls 21a having many open cells and the closed spaces 21d alternately adjacent to the through holes 21c through the partition wall 21a. The suction hole 21g or the suction pipe 21g is provided on the side of the closed space 21d of the base structure 21. Alumina sol is then supplied from the opening of the through hole 21c of the base structure 21 to deposit the thin ceramic film 22 having many open cells on the inner surface, and the ceramic membranous structure 2 is obtained. The obtained structure 2 is housed in a main case 1, and the assembly is used as a dehumidifier, etc.