This study presents the design of an organic waste processing device to produce liquid smoke through combustion, particle separation, and condensation processes. The system consists of a combustion chamber, a cyclone separator, and a condensation tube, which were designed and analyzed numerically with software. Dry organic waste such as coconut shells, rice husks, and leaves was used as raw material with a capacity of 15 kg per cycle. Simulation results show that the combustion chamber reached a maximum temperature of approximately 333°C, the cyclone separator achieved flow velocities of 4.72–7.48 m/s with effective particle separation, and the condensation tube reduced the smoke temperature to around 27°C, enabling liquid smoke formation. This device offers potential as a solution for organic waste management while producing valuable by-products such as natural pesticides and organic preservatives.
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