Document Detail


Use of thin film transistor liquid crystal display (TFT-LCD) waste glass in the production of ceramic tiles.
MedLine Citation:
PMID:  17367925     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this study, we employ the following operating conditions: varied pressure (25 kgf/cm(2)), sintering temperature (900-1200 degrees C), sintering time (6h), percentage of thin film transistor liquid crystal display (TFT-LCD) waste glass by weight (0-50%) and temperature rising at a rate of 5 degrees C/min, to fabricate clay tiles. The sintering characteristics of the clay blended with TFT-LCD waste glass tiles are examined to evaluate the feasibility of the reuse of TFT-LCD waste glass. TFT-LCD waste glass contains large amounts of glass. The TCLP leaching concentrations all met the ROC EPAs current regulatory thresholds. The addition of TFT-LCD waste glass to the mixture, increased the apparent weight loss. The incorporation of 50% TFT-LCD waste glass resulted in a significant increase in the porosity ratio of the specimens compared to the porosity ratio of the ceramic tile containing TFT-LCD waste glass. The main constituent in both the clay tile and the clay with TFT-LCD waste glass samples is quartz. Increasing the temperature resulted in an increase in the flexural strength and resistance to abrasion in the tiles. The porosity ratio decreases as shrinkage increases. The relation between the porosity ratio and the hardness of the tiles used in the study is also shown.
Authors:
Kae-Long Lin
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Publication Detail:
Type:  Journal Article     Date:  2007-02-12
Journal Detail:
Title:  Journal of hazardous materials     Volume:  148     ISSN:  0304-3894     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-13     Completed Date:  2007-11-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  91-7     Citation Subset:  IM    
Affiliation:
Department of Environmental Engineering, National Ilan University, I-Lan 260, Taiwan, ROC. kllin@niu.edu.tw
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MeSH Terms
Descriptor/Qualifier:
Ceramics / chemical synthesis*
Conservation of Natural Resources / methods*
Glass* / chemistry
Hardness
Industrial Waste*
Liquid Crystals
Porosity
Pressure
Temperature
Chemical
Reg. No./Substance:
0/Ceramics; 0/Industrial Waste

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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