Abstract
Indonesia has a large amount of natural zeolite and clay. These materials are potential for ceramic membrane production. The aims of this study were to describe the characteristic of ceramic membrane development from natural zeolite and clay. With an addition of TiO2, ceramic membrane was produced by dry process by pressing at 5 tons for 30 minutes. From the results of the investigation, it can be concluded that the natural zeolite and clay from Banyumas may be utilized for obtaining ceramic membranes for microfiltration at low sintering temperature of 900°C. Optimum addition of TiO2 was 5%wt. At this condition, the densities of ceramic membranes were 1.44 gr/cm3, 1.8 gr/cm3, and 1.5 gr/cm3. The porosities of ceramic membranes were 53.29%, 31.099%, and 35.42%. The water absorption values of ceramic membranes were 36.83%, 17.06%, and 23.61% for natural zeolite, clay, and natural zeolite – clay respectively.
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