Pollutant Decomposition in Micro Porous Ceramics Made Out of Volcanic Rocks

Youn Ki Lee; Byung Sung Kim; Sung Lim Ryu

doi:10.4028/www.scientific.net/MSF.695.283

Paper Titles

Influence of Raw Materials on the Preparation of Terracotta Panel
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Mechanical Behaviors and Texture Development of the Extruded Magnesium AZ31 Alloys
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Pigment Printing of Natural Dye from Red Mangrove Bark on Silk Fabrics
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Pollutant Decomposition in Micro Porous Ceramics Made Out of Volcanic Rocks
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Strength Enhancement of Bottom Ash-Based Concretes Using Metakaolin
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Study on the Artificial Lightweight Aggregate by Using Reject Ash, Dredged Soil, and Ferrous Materials
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Synthesis and Formation Mechanism of Mn-Doped Zn₂SiO₄ Brown Pigment
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Synthesis of Co-Doped Tialite Ceramic Pigments and Coloring in Glazes
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Pollutant Decomposition in Micro Porous Ceramics Made Out of Volcanic Rocks

Abstract:

Micro porous ceramics made out of volcanic rock have been considered as a pollution control material, since they show unique functional properties such as far infrared ray(IR) radiation, deodorization, anti bacterial function, and hygroscopic function. Here, it is well known that the ceramics have shown a mere adsorption function rather than the decomposition of absorbed substances. In an attempt to endow a sustained deodorization capability into the micro porous ceramics made out of volcanic rock, which has a normal pollution control function, TiO₂ slurry as a photo catalyst was prepared and spray coated on the surface of the ceramics. Specific heat treatment has been performed at 200°C for 30 minutes after spray coating of TiO₂ slurry and the subsequent deodorization properties were evaluated using the standard gas-bag method, which was established by Korea Photo catalyst Association and Japan Photo catalyst Association.