| Issue |
MATEC Web Conf.
Volume 333, 2021
The 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019)
|
|
|---|---|---|
| Article Number | 12001 | |
| Number of page(s) | 6 | |
| Section | Environment | |
| DOI | https://doi.org/10.1051/matecconf/202133312001 | |
| Published online | 08 January 2021 | |
Geopolymerization of Coal Fly Ash, Ceramic Tile Waste and Spent Bleaching Earth for the Production of Sodium Aluminosilicate Monolith
Chemical Engineering Department, College of Engineering and Technology, Pamantasan ng Lungsod ng Maynila, Intramuros, Manila, Philippines
* Corresponding author: dcpangayao@plm.edu.ph
In this study, compressive strength, density, porosity, and methylene blue adsorptive intensity of sodium aluminosilicate monolith produced from coal fly ash (CFA), ceramic tile waste (CTW), and spent bleaching earth (SBE) were evaluated. Using simple lattice mixture design, CFA-CTW-SBE blend with mass ratio of 55.95% CFA, 38.73% CTW, and 5.31% SBE, and an alkali solution containing 80% 8M NaOH and 20% sodium silicate, resulted to a maximum desirability of 12.4MPa compressive strength, 1310 kg/m3 density, 17.03% porosity, and 1.63% methylene blue adsorption intensity. The properties of the product conform to the specifications of ASTM C90-14 for lightweight load-bearing concrete.
© The Authors, published by EDP Sciences, 2021
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