Humidity Control Characteristics and Capacity of Porous Building Material Produced from LED Waste Quartz Sand and CRT Waste Glass Addition Waste Catalyst by Sintering
| Autor: | Wen-Hsuan Chang, 張文軒 |
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| Rok vydání: | 2015 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 103 This study fabricates humidity control porous ceramics the following operating conditions: a compaction pressure (5MPa), sintering temperature of 600–750°C, sintering time of 5 minutes, temperature increase rate of 5°C/min, and a percentage of light emitting doide (LED) waste quartz sand, cathode ray tube (CRT) waste panel glass, CRT waste funnel glass in waste catalyst of 0–40%. The heat-treated samples were identified using X-ray diffraction (XRD), Fourier transmission infrared spectroscopy (FTIR), scanning electron microscopy (SEM). The equilibrium moisture content and the moisture adsorption-desorption properties in the sintered samples increased when the percentage of the waste catalyst was increased. The band at 900–1200 cm-1 was related to the asymmetric stretching vibration of Si-O-Si in the network sintered samples. All of the N2 isotherms were Type H3. When relative humidity of 95%, the sintered samples with 40% waste catalyst, it also showed good equilibrium moisture content. Equilibrium moisture content in sintered samples is described using the BET and Dent models. Equilibrium moisture content modeling Dent was plotted to show the good agreement between experimental and predicated data. When LED waste quartz sand contained 20% waste catalyst for sintering temperature of 700-750°C; CRT waste panel glass contained 20% waste catalyst for sintering temperature of 710°C; CRT waste funnel glass contained 20% waste catalyst for sintering temperature of 680-710°C; waste catalyst; CRT waste funnel glass contained 30% waste catalyst for sintering temperature of 710°C, the humidity control porous ceramics in this investigation had a high mechanical strength, high equilibrium moisture content and the moisture adsorption-desorption properties and equilibrium moisture content for use in building materials. In summary, this novel process could also be employed for further extensible to other kinds of industrial wastes and benefit in large-scale production of highly valuable humidity control characteristics and capacity of porous building material for in full-scale plant applications. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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