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. 2021 Apr 21;4:67. Originally published 2020 Jun 25. [Version 2] doi: 10.12688/gatesopenres.13137.2

Table 7. Isothermal drying kinetic parameters of faecal sludges.

Temperature (°C) Effective Moisture Diffusivity (m 2/s)
ABR HF UDDT VIP
55 1.9∙10 -7 1.7∙10 -7 1.8∙10 -7 1.9∙10 -7
85 5.0∙10 -7 3.7∙10 -7 4.8∙10 -7 5.6∙10 -7
105 10.0∙10 -7 7.4∙10 -7 7.5∙10 -7 11.0∙10 -7
Activation
Energy (kJ/mol)
34 ± 0.8 30.5 ± 0.1 28.3 ± 1.3 36 ± 0.3

ABR, anaerobic baffled reactor; HF, human faeces; UDDT, urine-diverting dry toilet; VIP, ventilated improved pit.