Research Article
Characterization and Optimization of Calcination Process Parameters for Extraction of Aluminum from Ethiopian Kaolinite
Table 8
Comparison of the present study with various literature.
| Origin of kaolinite | Optimum calcination conditions | Extraction yield of aluminum (% w/w) | References |
| Nigerian | 600°C, 60 min, and 300 μm | 50.27 | [21] | Saudi Arabian | 600°C, 60 min, and 149 μm | 63 | [25] | Iraqi | 700°C, 120 min, and 125 μm | 70 | [19] | Chinese | 800°C, 180 min, and 44 μm | 98.7 | [20] | Egyptian | 850°C, 120 min, and 90 μm | 75 | [26] | Egyptian | 700°C and 120 min | 81.33 | [44] | Jordanian | 700°C, 180 min, and 75 μm | 79.28 | [45] | Ethiopian | 700°C, 180 min, and 106 μm | 71.28 | This study |
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