HighlightsDry human faeces have a Higher Heating Value (HHV) of 24 MJ/kg.Faeces combustion was investigated using a bench-scale downdraft combustor test rig.Combustion temperature of 431–558 °C was achieved at air flow rate of 10–18 L/min.Fuel burn rate of 1.5–2.3 g/min was achieved at air flow rate of 10–18 L/min.Combustion temperature of up to 600 ± 10 °C can handle 60 wt.% moisture in faeces.

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HighlightsIgnition, gasification and combustion of simulant and real faeces were studied.Trials using fuel flowrates of 1.2 g/min and 7.5–8 L/min of air were carried out.Mean temperatures of 440–670 °C allowed self-sustained combustion.Maximum temperatures reached for real faeces were in the range of 1210–1240 °C.Combustion trials lasted up to 160 min without external heat supply.

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