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Vilmar Steffen

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Open access Sep 2026

Heat Transfer Modeling and Self-Sustained Thermal Operation of a Pilot-Scale Rotary Kiln for Slow Pyrolysis of Poultry Litter

This study evaluated the slow pyrolysis of poultry litter in a pilot-scale continuous rotary kiln (350–400 kg/h input, 140–180 kg/h biochar output) operated in Asfan, Saudi Arabia. Phenomenological mathematical modeling, simulation, and sensitivity analysis were used, with the model solved numerically in Python and c...

M. H. da Silva, E. D. da Silva, Vilmar Steffen et al. · 0 citations

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