Development of Room Temperature Curing Geopolymer from Calcined Water-Treatment-Sludge and Rice Husk Ash
作者： Anurat Poowancum , Ekkasit Nimwinya , Suksun Horpibulsuk
DOI: 10.1007/978-94-017-9939-3_36
关键词:
摘要: Geopolymer is an environmental friendly material, and expected to use as the cement replacement materials. Because, geopolymer production does not emit carbon dioxide gas, a low energy consuming process. Moreover, can be synthesized from variety kinds of waste The present work, room temperature curing has been developed by using calcined water-treatment-sludge (WTS) rice husk ash (RHA) precursors. Mixture sodium hydroxide solution silicate was used alkali activator solution. results show that RHA promotes strength WTS-geopolymer. By adding 30 wt%, close minimum required ordinary Portland (OPC). In addition, density WTS-RHA 3 times lower than OPC. Knowledge in work opens opportunity apply for engineering applications, especially lightweight construction
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