Research Article
Hydrogen-Rich Syngas Production from Gasification and Pyrolysis of Solar Dried Sewage Sludge: Experimental and Modeling Investigations
Table 2
Characteristics of studied solar dried SS and others used in thermochemical conversion studies according to literature.
| | Ultimate analysis (%) | | Studied solar dried SS | Thipkhunthod et al., 2007 | Tsai et al., 2009 | Fonts et al., 2012 | Chen et al., 2015 | | | Sewage sludge | Lignocellulosic biomass |
| C | 48.21 ± 1 | 27.6–48.4 | 31.6–42.3 | 23.1–39.9 | 42.1–49.3 | H | 8.17 ± 0.3 | 6.5–7.4 | 4.9–6.3 | 3.8–5.9 | 5.5–6.1 | O | 10.15 | 35.3–53.7 | 31.8–35.6 | 18.8–23.5 | 44.2–50.9 | N | 1.71 ± 0.1 | 3.9–7.4 | 5.5–7.7 | 2.5–7.9 | 0.0–0.9 | S | 0.96 ± 0.1 | 1.2–7.6 | 0.6–1.4 | 0.8–1.0 | 0.1–0.8 | | Proximate analysis (%) | Moisture content | 9.49 ± 0,3 | 3.2–7.6 | 16.0–18.0 | 1.5–7.1 | 3.6–10.3 | Ash content | 30.80 ± 2 | 43.4–71.4 | 24.2–44.9 | 22.6–52.0 | 0.5–7.9 | Volatile matter | 58.81 ± 3 | 25.9–52.4 | 39.0–54.8 | 38.3–66.8 | 71.8–83.2 | Fixed carbon | 0.90 | 2.7–6.4 | — | 0.8–19.7 | 5.7–17.4 | Hydrogen index | 476 | — | — | — | — | HHV (MJ/kg) | 24.82 | — | — | — | — |
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in mg hydrocarbon/g organic carbon.
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