Journal of Applied Sciences1812-56541812-5662Asian Network for Scientific Information10.3923/jas.2014.586.591RukzonSumrerng ChindaprasirtPrinya 62014146In this study, waste bagasse ash was used as a source material
for making geopolymer in order to reduce the negative environmental impact of
waste disposal. Ground Bagasse Ash (BA), sodium silicate and NaOH were the materials
used. A constant liquid to ash ratio and similar flow were applied to the test.
The effects of curing temperature, sodium silicate to NaOH ratio and concentrations
of NaOH on strength and porosity were investigated. Test results indicated that
the strength of geopolymer mortar was strongly dependent on curing temperature,
sodium silicate to NaOH ratio and concentration of NaOH. To obtain good strength
and low porosity BA geopolymer mortars, NaOH concentration of 10 M, sodium silicate
to NaOH ratio of 2.5 and temperature curing at 65°C should be used. The
reasonable strengths of 11.6-15.8 MPa and porosity of 20.5-23.5% were obtained.]]>ASTM 39,2001Vol. 04.02pp: 18-22pp: 18-22ASTM C109,2001Vol. 04.01,pp: 83-88pp: 83-88ASTMC 230,1997Vol. 04.01,pp: 172-176pp: 172-176ASTM C 618,2001Vol. 04.02,Palomo, A., M.W. Grutzeck and M.T. Blanco,19992913231329Aigbodion, V.S., S.B. Hassan, T. Ause and G.B. Nyior,2010Bagasse Ash).]]>96777Chindaprasirt, P., T. Chareerat and V. Sirivivatnanon,200729224229Chindaprasirt, P. and S. Rukzon,20082216011606Davidovits, J.,19991999pp: 940Detphan, S. and P. Chindaprasirt,200916720726Hardjito, D., S.E. Wallah, D.M.J. Sumajouw and B.V. Rangan,2004101467472Rukzon, S. and P. Chindaprasirt,2008810971102Rukzon, S. and P. Chindaprasirt,200927588594Sathonsaowaphak, A., P. Chindaprasirt and K. Pimraksa,20091684450Worathanakul, P., W. Payubnop and A. Muangpet,200956360362