APLIKASI RESPONSE SURFACE METHOD DALAM OPTIMASI PROSES THERMAL TREATMENT PASIR ZIRKON
Zirconia (ZrO2) is a ceramic material widely used in industry. Zircon sand (ZrSiO4) is one source of zirconia. Zirconia production from zircon sand can be done by heat treatment or chemical treatment with the aim of breaking the bond between ZrO2 and SiO2. In this study Response Surface Methodology (RSM) was applied to determine the optimal value of ZrO2 percentage of zircon sand decomposition process through heat treatment process. Samples prepared as many as 13 variations with 3 replications. Analysis of experimental results obtained Eigen value worth -0.146262 (X1) and 0.172908 (X2). This indicates that the combination of temperature and holding time is not optimally identified at one point but spread across the saddle point.
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