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. 2021 Mar 18;6(17):11192–11198. doi: 10.1021/acsomega.0c05861

Table 3. Contents of the Alkali Metals and Alkaline Earth Metals on the Surface of the Char, wt %.

experimental conditions K Ca
850 °C 0 0.19
850 °C with steam 0 0.11
900 °C 0 4.02
900 °C with steam 0.01 1.18