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. 2022 Jun 9;7(24):20710–20718. doi: 10.1021/acsomega.2c00975

Table 6. Yield and Some Properties of Activated Carbons Obtained by Chemical Activation with ZnCl2.

carbon precursor yielda (wt %) ash (wt %) BET surface area (m2g–1) micropore area (m2g–1) micropore volume (cm3g–1) % of Smicro in SBET
PYR-300 39.2 23.5 1059 791 0.350 74.6
ePYR-300 45.7 26.5 605 393 0.182 64.9
HC-220-60 39.1 5.7 1142 421 0.203 36.9
eHC-220-60 51.6 16.2 1224 391 0.188 31.9
a

Calculated based on char weight.