| Property | Pyrolysis category | Commercially activated carbon | Slow | Fast | Intermediate | |
| Water content (%), wet basis | 2–42 [57, 58] | 3–6 [59, 60] | 0.7–4 [21, 61] | 1–12 [62–67] | Volatile matter (%), dry basis | 7–41 [57, 58, 68–70] | 11–27 [59, 60] | 15–29 [21, 25] | 7–21 [64–66] | Ash content (%), dry basis | 1.4–9 [58, 68, 70] | 8–12 [59, 60] | 3–14 [19, 21, 25, 39] | 2–13 [62, 64, 71] | Fixed carbon, dry basis | 26–91 [57, 68–70, 72] | 58–75 [59, 60] | 55–65 [21, 25] | 76–89 [64, 66] | pH | 6–12 [58, 69, 70, 73] | 7–11 [59, 73] | 8–9.6 [19, 20] | 5–8 [62, 64, 74] | Carbon (%), dry ash free | 45–85 [57, 68, 70, 72] | 63–89 [59, 75] | 65–85 [19–21, 39, 61] | 49–64 [66, 71] | Hydrogen (%), dry ash free | 0.3–7 [57, 68, 70, 73] | 0.3–4 [59, 73, 75] | 0.5–4 [19, 20, 39, 61] | 0.5–4.52 [66, 67] | Nitrogen (%), dry ash free | 0.2–3 [57, 68, 73] | 0.5–5 [59, 73, 75] | 0.1–3 [19, 25, 39, 61] | 0.1–2 [66, 67] | Oxygen (%), dry ash free | 0.2–19 [57, 68, 73] | 0.2–24 [59, 73, 75, 76] | 2.2–23 [19, 20, 39, 61] | 31–34 [66, 67, 71] | Average specific area (m2/g) | 0.4–370 [58, 70, 72] | 15–110 [60, 77] | 100–250 [19] | 500–2058 [67, 74, 78–81] | Total pore volume (cm3/g) | 0.0013–0.14 [72, 82] | 0.1–1 [60, 75] | 0.05–0.16 [19, 25] | 0.05–1.5 [64, 74, 78, 81] | H : C ratio (molar ratio) | 0.02–0.61 [70, 73, 83, 84] | 0.05–0.59 [85–87] | 0.06–0.86 [23, 24, 88] | 0.24–1.1 [89–91] | C : N ratio (molar ratio) | 80–177 [73, 92] | 117–180 [85–87] | 73–155 [21, 23] | 104–135 [67, 89] | O : C ratio (molar ratio) | 0.08–0.4 [73, 84, 92] | 0.05–0.18 [85–87] | 0.1–0.23 [17, 23, 24, 88] | 0.18–0.52 [67, 90] |
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