Characterization and Optimization of Calcination Process Parameters for Extraction of Aluminum from Ethiopian Kaolinite
Table 3
CCD experiments for optimization of calcination parameters on responses: degree of conversion of kaolinite dehydroxylation reaction (Y) and extracted aluminum (Z).
Run
Temperature (°C)
Time (min)
Particles size (μm)
Initial mass, mo
Final mass, mf
Y (The dehydroxylation reaction of kaolinite degree of conversion determined from mass loss during calcination of kaolinite samples and TGA LOI value.)
Z (The extracted aluminum content determined from UV-vis standard solutions calibration curve.) (% w/w)