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http://dx.doi.org/10.4191/kcers.2016.53.3.362

Fabrication of Humidity Control Ceramics from Drinking-Water Treatment Sludge and Onggi Soil  

Lee, Min-Jin (Department of Materials Science and Engineering, Inha University)
Lee, Hyeon-Jun (Department of Materials Science and Engineering, Inha University)
Kim, Kyungsun (Division of Pottery, KSP)
Hwang, Hae-Jin (Department of Materials Science and Engineering, Inha University)
Publication Information
Journal of the Korean Ceramic Society / v.53, no.3, 2016 , pp. 362-366 More about this Journal
Abstract
In this study, humidity control ceramics with good adsorption/desorption capabilities and high strength were fabricated from drinking-water treatment sludge (DWTS) and Onggi soil. The DWTS powder heat-treated at $800^{\circ}C$ and Onggi soil were mixed at weight ratios of 40:60, 50:50, 60:40, and 70:30 and fired at $800-1000^{\circ}C$. With increasing DWTS content, density and flexural strength increased. For the sample with a DWTS:Onggi soil weight ratio of 70:30, porosity and specific surface area decreased with increasing firing temperature, attributed to densification and grain growth at high firing temperatures. From the results obtained, a firing temperature of $800^{\circ}C$ is the optimum condition for fabricating humidity control ceramics with good adsorption/desorption capabilities and strength. The maximum adsorbed amount for the sample fired at $800^{\circ}C$ was $439g/m^2$.
Keywords
Humidity control ceramics; Adsorption/Desorption capability; Drinking-water treatment sludge (DWTS); Onggi soil; Eco-friendly;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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